Westinghouse 190/5300 Bedienungsanleitung

Service Source K PowerBook 190/5300 Series Macintosh PowerBook 190/66, 190cs/66, 5300/100, 5300cs/100, 5300c/100, and 5300ce/117[...]

Service Source K Basics Po werBook 190/5300 Series[...]

Basics Product Overview - 1 Product Overview The PowerBook 5300 Series introduces a number of technology and design innovations to the PowerBook family of computers. The series features a Power PC 603e RISC microprocessor running at 100 or 117 MHz, built-in PC Card technology (formerly PCMCIA), infrared communication, and a video expansion board (t[...]

Basics Product Overview - 2 four different PowerBook displays: a monochrome FSTN display, a color FSTN display, and color TFT and TFT/SVGA displays. The PowerBook 190 Series features a 68LC040 central processor running at 33 MHz and offers the infrared board, video board, logic board, and TFT display as upgrade options.[...]

Basics PowerBook 5300 Series Configurations - 3 PowerBook 5300 Series Configurations The PowerBook 5300 Series computers come in the following configurations: PowerBook 5300 • Processor: 100 MHz PowerPC 603e • RAM/Hard drive: 8 MB/500 MB • Display: 9.5-inch greyscale • Battery: 2.5–4-hour NiMH • Weight: 5.9 pounds PowerBook 5300cs • P[...]

Basics PowerBook 5300 Series Configurations - 4 PowerBook 5300c • Processor: 100/117 MHz PowerPC 603e • RAM/Hard drive: 8 MB/500 MB or 16 MB/750 MB • Display: 10.4-inch active-matrix color • Battery: 2.5–4-hour NiMH • Weight: 6.2 pounds PowerBook 5300ce • Processor: 100/117 MHz PowerPC 603e • RAM/Hard drive: 32 MB/1 GB • Display: [...]

Basics PowerBook 190 Series Configurations - 5 PowerBook 190 Series Configurations The PowerBook 190 Series computers come in the following configurations: PowerBook 190 • Processor: 66/33 MHz 68LC040 • RAM/Hard drive: 4 MB/500 MB or 8 MB/500 MB • Display: 9.5-inch greyscale • Battery: 2.5–4-hour NiMH • Weight: 6 pounds PowerBook 190cs [...]

Basics Repair Strategy - 6 Repair Strategy Service the PowerBook 190 and PowerBook 5300 Series computers through module exchange and parts replacement. Customers can request on-site service from an Apple Authorized Service Provider Plus (AASP+) Apple Assurance (US only), or request a courier through the Apple Canada Technical Answerline (Canada onl[...]

Basics Repair Strategy - 7 Large businesses, universities, and K-12 accounts must provide a purchase order on all transactions, including orders placed through the AppleOrder (US only) or ARIS (Canada only) system. USA Ordering US Service Providers not enrolled in AppleOrder may fax their orders to Service Provider Support (512-908- 8125) or mail t[...]

Basics Repair Strategy - 8 Canadian Ordering Canadian Service Providers not enrolled in ARIS may fax their orders to Service Provider Support in Canada (1-800-903-5284). For Canadian inquiries, please call Service Provider Support at 905-513-5782 and select option #3.[...]

Basics Warranty/AppleCare/ARIS - 9 Warranty/AppleCare/ARIS US Only The PowerBook 190 and PowerBook 5300 Series computers are covered under the Apple One-Year Limited Warranty. The AppleCare Service Plan is also available for these products. Service Providers are reimbursed for warranty and AppleCare repairs made to these computers. For pricing info[...]

Basics Warranty/AppleCare/ARIS - 10 Canada Only The PowerBook 190 and PowerBook 5300 computers are covered under first-year AppleCare. The Extended AppleCare Service Plan is also available for these products. Service Providers are reimbursed for first-year warranty and Extended AppleCare repairs made to these computers. For pricing information, ref[...]

Basics Rear Panel - 11 Rear Panel The rear panel contains the I/O ports, reset actuator, and infrared window. The picture to the left shows the location of these features. Infrared Window Video Port Reset Actuator Sound Input Port Sound Output Port SCSI Port (HDI-30) External Modem/ Printer Port Apple Desktop?[...]

Basics Screw Matrix - 12 Screw Matrix This screw matrix identifies the type and location of the screws used in the PowerBook 190/5300 Series computers. Note: As part of the 190/ 5300 Repair Extension Program, some of the systems’s original screws were replaced with patchlock screws. 8 Trackpad button & closure switch 6 CPU stiffener, hard dri[...]

Basics Cable Matrix - 13 Cable Matrix For a matrix of cables that work with specific models of the PowerBook family of computers, select the PowerBook Cable Matrix located in Hardware/Compatibility Charts.[...]

Basics Power Information - 14 Power Information Use the following information on the batteries and power adapter to ensure the best use of these systems and to recognize and prevent problems. For instructions on battery and power adapter verification, see the Additional Procedures chapter of this manual. Battery Matrix For a matrix of batteries tha[...]

Basics Power Information - 15 Battery-Handling Guidelines The following are guidelines for properly handling the PowerBook 190/5300 Series batteries: W arning: NiMH batteries contain toxic materials. Send undamaged, dead batteries to Apple for recycling—do not discard dead batteries with other waste. If battery is damaged, do not return it to App[...]

Basics Power Information - 16 • Do not leave a battery in the computer for longer than a week without plugging in the power adapter. • Keep the contact cover on the battery when the battery is not in the computer. • Do not leave the battery in hot locations (such as the trunk of a car). • Keep the battery in a cool, dark place; do not store[...]

Basics Power Information - 17 Nickel-Metal-Hydride Batteries The PowerBook 190/5300 Series computers use nickel-metal-hydride (NiMH) batteries. Each battery provides power for up to 4 hours of work time, depending on the system configuration and battery conservation features employed.[...]

Basics PC Card Handling - 1 8 PC Card Handling Two PC Card slots (formerly PCMCIA) are a feature in the PowerBook 190/5300 Series. The two slots accept a variety of third-party PC Cards. There are three types of PC Cards: Type I (3 mm), Type II (5 mm), and Type III (10.5 mm). Type I and Type II cards fit in either the upper or lower slot of the PC [...]

Basics PC Card Handling - 1 9 • Do not insert anything other than a PC Card into the card slots. • The PC Card eject button functions regardless of whether the computer is on or off. • Before ejecting a PC Card, make sure nothing is blocking the slot. To immediately reinsert the card, pull it out an inch or more and then push it back in. • [...]

Service Source K Specifications Po werBook 190/5300 Series[...]

Specifications Introduction - 1 Introduction You can also find specifications information for this product in the Spec Database, which you can access in one of three ways: — Launch it directly by double-clicking the Apple Spec Database runtime alias at the top level of the Main Service Source CD. — Select "Apple Spec Database" from th[...]

Specifications Processor - 2 Processor CPU Po werBook 190 Series Motorola 68LC040 microprocessor running at 33 MHz Po werBook 5300 Series PowerPC 603e RISC microprocessor running at 100 MHz (5300/100, 5300c/100, 5300cs/100) or 117 MHz (5300ce/117) All Systems Require system software version 7.5.2 or later with System enabler: PowerBook Enabler 5300[...]

Specifications Processor - 3 Addressing 32-bit internal registers 32-bit address bus 32-bit data bus[...]

Specifications Memory - 4 Memory RAM RAM installed on the logic board: 4 –8 M B PB 190/66 and 190cs/66 8 M B PB 5300/100 8–16 M B PB 5300c/100 and 5300cs/100 32 M B PB 5300ce/117 Expandable up to 64 MB with third-party RAM expansion card RO M 2– 4 MB soldered on the logic board PRAM 256 bytes of parameter memory[...]

Specifications Memory - 5 VRAM Logic Board 512K for passive display configurations; 512K and 1 MB for active display configurations V ideo Board 512K; will support 1 MB[...]

Specifications Disk Storage - 6 Disk Storage Floppy Drive 15 mm high, internal, 1.4 MB Apple SuperDrive Hard Drives 2.5 in.; 500 MB, 750 MB, and 1.1 GB IDE capacities[...]

Specifications I/O Interfaces - 7 I/O Interfaces SCSI HDI-30 SCSI port with 1.5 MB/sec. transfer rate Supports up to six external SCSI devices Connect SCSI device to computer with HDI-30 SCSI system cable. A pple Desktop Bus Apple Desktop Bus (ADB) port 200 mA maximum current draw for all ADB devices Serial RS-422 serial port; mini DIN-8 connector [...]

Specifications I/O Interfaces (Continued) - 8 I/O Interfaces (Continued) V ideo Micro DV-14 video-out port; 8 bit, 256 color video output (optional on PowerBook 190) Supports most Macintosh monitors, VGA monitors, and SVGA monitors PC Card Slots Allow use of either two Type I and Type II cards, or one Type III card Infrared Supports LocalTalk Po we[...]

Specifications I/O Devices - 9 I/O De vices K eyboard Built-in keyboard with 12 function keys 76 keys domestic, 77 keys ISO Two-level tilt adjustment (extending computer feet) T rackpad Solid-state trackpad Microphone Electret, omnidirectional Output voltage of 4 mV, peak to peak[...]

Specifications Sound - 1 0 Sound Sound Generator Apple sound chip provides 16-bit sound capable of driving stereo headphones or other stereo equipment through the sound jack[...]

Specifications Video - 1 1 V ideo PB 190/66 and 5300/ 100 V ideo Display 9.5-in. (24 cm) diagonal screen Backlit, FSTN greyscale display; 16 levels; 640x480 pixels PB 190cs/66 and 5300cs/100 V ideo Display 10.4-in. (26 cm) diagonal screen Backlit, FSTN color display 256 colors; 640x480 pixels PB 5300c/100 V ideo Display 10.4-in. (26 cm) diagonal sc[...]

Specifications Video - 1 2 PB 5300ce/117 V ideo Display 10.4-in. (26 cm) diagonal screen Backlit, TFT/SVGA color display, thousands of colors; 800x600 pixels[...]

Specifications Electrical - 13 Electrical Main Battery One nickel-metal-hydride (NiMH) battery Up to 2.5–4 hours of use before recharging Recharge time: 2 hours in shutdown or sleep mode, 4 hours while computer is running Po wer Adapter 110–240 VAC line voltage 45 W, 50–60 Hz[...]

Specifications Physical - 1 4 Physical Dimensions Height: 2.0 in. (5.1 cm) monochrome displays 2.2 in. (5.6 cm) color displays Width: 11.5 in. (29.2 cm) Depth: 8.5 in. (21.6 cm) W eight: 5.9 lb. (2.7 kg) PB 5300/100 6.0 lb. (2.7 kg) PB 190/66 6.2 lb. (2.8 kg) PB 5300c/100, 5300cs/100, 5300ce/117 6.3 lb. (2.9 kg) PB 190cs/66[...]

Specifications Environmental - 15 En vironmental Operating T emperature 41° to 95° F (5° to 35° C) Storage T emperature 14° to 140° F (-10° to 60° C) Nickel-metal-hydride -13° to 140° F (-25° to 60° C) Lithium-ion Relative Humidity 20% to 80% noncondensing Operating Altitude 0 to 10,000 ft. (0 to 3,048 m) Maximum Storage Altitude 15,000[...]

Specifications Miscellaneous - 1 6 Miscellaneous Clock/Calendar CMOS custom chip with long-life lithium battery Security Slot for third-party security equipment Password protection software[...]

Service Source K Troubleshooting PowerBook 190/5300 Series[...]

Troubleshooting General - 1 General In each product manual on Service Source, you will find Flowcharts and/or Symptom Charts designed to help you diagnose and repair Apple computers. If you have narrowed the problem down to a particular symptom, start with the Symptom Charts. Because cures are listed in the order of most likely solution, try the fi[...]

Troubleshooting Symptom Charts/ Startup - 2 Symptom Charts Startup RAM failure occurs (eight-tone error chord sequence sounds after startup chord) 1 Remove RAM card (if present) and restart computer. If startup sequence is normal, replace RAM card and retest. 2 Reseat RAM card and check connection. 3 Replace RAM card. 4 Replace logic board.[...]

Troubleshooting Symptom Charts/ Startup - 3 Hardware failure occurs (four-tone error chord sequence sounds after startup chord) 1 Reset PRAM. 2 Remove floppy drive from media bay and restart computer. If startup sequence is normal, insert floppy drive and retest. 3 Replace floppy mechanism. 4 Disconnect hard drive cable and restart computer. If sta[...]

Troubleshooting Symptom Charts/ Power - 4 Power Note: In the 5300 Series computers, you will hear only the click of the power-on button when you attempt to start up a computer that lacks sufficient power to start. Computer won’t power up 1 If sleep LED is continually on, backup battery power has been interrupted. Restart computer by holding down [...]

Troubleshooting Symptom Charts/ Power - 5 Screen is blank; computer doesn't respond 1 If sleep LED is continually on, backup battery power has been interrupted. Restart computer by holding down reset actuator 10-20 seconds. If computer doesn’t restart, repeat 3–4 times. 2 Restart computer. 3 Disconnect power adapter, remove battery, and re[...]

Troubleshooting Symptom Charts/ Power - 6 After you remove battery, some Control Panel settings are different 1 Check keyboard and backup battery cables and connections. 2 Replace backup battery. 3 Replace logic board. Computer runs when plugged into wall outlet but not on battery power; battery voltage is within tolerance 1 Reset power manager. 2 [...]

Troubleshooting Symptom Charts/ Power - 7 Power adapter is plugged in, but Control Strip doesn’t indicate adapter is connected 1 Verify that power adapter is connected correctly. 2 Try known-good power adapter. (See Power Information in Basics chapter.) 3 Replace logic board. When Shutdown is selected with power adapter plugged in, computer shuts[...]

Troubleshooting Symptom Charts/ Power - 8 Low-power warning appears 1 Attach power adapter and recharge battery. 2 Disconnect peripherals. If warning disappears when peripherals are disconnected, verify that peripherals are low-power. 3 Reduce use of floppy or hard drive, sound, backlight, or other power-consuming devices, or reconnect power adapte[...]

Troubleshooting Symptom Charts/ Video - 9 Video Note: A certain number of defects are inherent in display technology and vary by many factors, including type of technology. If you suspect that your display contains an abnormal number of defects, call Apple Technical Support. Partial or full row of pixels is always on or never comes on in an active [...]

Troubleshooting Symptom Charts/ Video - 1 0 Display stopped working or dimmed but is fine now 1 PowerBook 190 Series, 5300/100, 5300cs/100: If temperature is under 0° C or over 50° C, this reaction is normal. Let screen warm up for 30 minutes. If symptom persists, replace display. 2 PowerBook 5300c/100 and 5300ce/117: replace display. Backlight d[...]

Troubleshooting Symptom Charts/ Video - 1 1 No display, but computer appears to operate correctly Note: If the sleep light is blinking and the computer is not in sleep mode, reset the power manager. 1 Insert a disk into the floppy drive and press Command–E (to eject a disk) to verify that computer is working. 2 Adjust screen contrast and brightne[...]

Troubleshooting Symptom Charts/ Video - 1 2 Thin white line is always on at middle of screen 1 PowerBook 190 Series, 5300/100, 5300cs/100: thin white line is normal. 2 PowerBook 5300c/100 and 5300ce/117: change the desktop pattern; if the line remains, replace display. An external monitor connected to the PowerBook shows no video 1 Verify cable and[...]

Troubleshooting Symptom Charts/ Video - 1 3 An external monitor connected to the PowerBook shows either horizontal or vertical rolling, or horizontal or vertical distortion 1 Verify monitor using another computer. 2 Replace video board.[...]

Troubleshooting Symptom Charts/ Sound - 1 4 Sound No sound from speaker 1 Verify that volume setting in Control Panel is above 0. 2 Verify that no external speaker is plugged in. 3 Check display cable connections. 4 Check inverter board connections. 5 Replace display cable. 6 Replace inverter board. 7 Replace speaker. 8 Replace logic board[...]

Troubleshooting Symptom Charts/ Floppy Drive - 15 Floppy Drive Note: The floppy drive cable referred to in this section is the cable inside of the floppy drive case. Audio and video present, but floppy drive in media bay does not operate 1 Try known-good floppy disk. 2 Check floppy drive cable connection. 3 Replace floppy drive cable. 4 Replace flo[...]

Troubleshooting Symptom Charts/ Floppy Drive - 16 Disk ejects while booting; display shows Mac icon with blinking X 1 Try known-good system disk. 2 Verify that floppy disk is not locked. 3 Verify that trackpad and trackpad button are working. 4 Verify that keyboard is working. 5 Check floppy drive cable connection. 6 Replace floppy drive cable. 7 R[...]

Troubleshooting Symptom Charts/ Floppy Drive - 17 Disk does not eject 1 Switch off system and hold trackpad button down while you switch system on. 2 Eject disk manually by carefully inserting opened paper clip into hole near floppy drive slot. 3 Check floppy drive cable connection. 4 Replace floppy drive cable. 5 Replace floppy drive. 6 Replace lo[...]

Troubleshooting Symptom Charts/ Floppy Drive - 18 Read/write/copy error 1 Try known-good floppy disk. 2 Check floppy drive cable connection. 3 Try to format a floppy disk. 4 Replace floppy drive cable. 5 Replace floppy drive. 6 Replace logic board.[...]

Troubleshooting Symptom Charts/ Hard Drive - 19 Hard Drive Internal hard drive does not spin up 1 Make sure power adapter is connected. 2 Disconnect external SCSI devices. 3 Check hard drive cable connection. 4 Replace hard drive cable. 5 Use Hard Drive Format to reinitialize drive. 6 Replace hard drive. 7 Replace logic board.[...]

Troubleshooting Symptom Charts/ PC Card Module (PCMCIA) - 20 PC Card Module (PCMCIA) PC Card won't eject 1 Make sure computer is not in sleep mode. 2 Make sure PC Card slot is not blocked. 3 Insert straightened paper clip into hole next to slot. 4 Verify that PC Card is not warped or damaged in any way. 5 Replace PC Card cage. PC Card is inser[...]

Troubleshooting Symptom Charts/ PC Card Module (PCMCIA) - 21 Note: If “defective card” or “unrecognizable card” appears in place of card name in PCMCIA Eject control panel, card is damaged or computer does not have software required to support it. Eject card. System with PC card performs poorly or hangs during floppy drive operations Replac[...]

Troubleshooting Symptom Charts/ Infrared Communication - 22 Infrared Communication Infrared communication is not working 1 Clean infrared window with soft lint-free cloth. 2 In 190 Series, verify that an infrared board is present by removing keyboard and looking for the white infrared flex cable routed on top of media bay and video card (if present[...]

Troubleshooting Symptom Charts/ Peripherals - 2 3 Peripherals After you connect external SCSI device, computer does not boot 1 Verify that device and SCSI chain are terminated correctly. 2 Switch on external SCSI device before starting computer. 3 Check cable connections. 4 Try known-good SCSI cable. 5 Verify that SCSI ID select switch setting on e[...]

Troubleshooting Symptom Charts/ Peripherals - 2 4 Cursor does not move when you are using trackpad 1 Shut down computer, unplug adapter, and remove battery. Let computer sit for 1 minute before restarting. 2 Reset power manager. 3 Check trackpad connections. 4 Check keyboard and logic board connections. 5 Connect low-power mouse and try to move cur[...]

Troubleshooting Symptom Charts/ Peripherals - 2 5 Cursor intermittently does not move or moves erratically Note: User must touch trackpad with the surface of only one finger at a time and point directly down on the trackpad surface. 1 Clean trackpad surface (with computer off, using a non- static inducing material). 2 Check trackpad connections. 3 [...]

Troubleshooting Symptom Charts/ Peripherals - 2 6 Cursor moves, but clicking trackpad button has no effect 1 Reset power manager. 2 Check trackpad connections. 3 Check keyboard and logic board connections. 4 Replace trackpad cable. 5 Replace trackpad. 6 Replace keyboard. 7 Replace logic board.[...]

Troubleshooting Symptom Charts/ Peripherals - 2 7 Cursor does not move when you are using mouse 1 Check mouse connection to ADB port. 2 Try a known-good low-power mouse. If the known-good mouse works, clean mouse ball and inside of original mouse and retest. If the original mouse still doesn’t work, replace it. 3 Replace logic board. No response [...]

Troubleshooting Symptom Charts/ Peripherals - 2 8 Known-good direct- connect printer does not print 1 Reset PRAM. 2 Verify that Chooser and Control Panel settings are correct. 3 Check cables. 4 Replace printer cable. 5 Try known-good printer. 6 Replace logic board. Known-good network printer does not print 1 Reset PRAM. 2 Verify that Chooser and Co[...]

Troubleshooting Symptom Charts/ Peripherals - 2 9 I/O devices are unrecognized, or garbage is transmitted or received 1 Reset PRAM. 2 Check cables. 3 Verify that SCSI device is correctly terminated. 4 Verify that SCSI select switch setting on external device is unique. 5 Test device with known-good computer. 6 Replace logic board. In disk mode, com[...]

Troubleshooting Symptom Charts/ Miscellaneous - 30 Miscellaneous Sleep light won’t come on 1 Verify that computer is in sleep mode and not powered off. 2 Reset power manager. 3 Replace inverter. Screen goes blank and computer shuts down every few minutes Computer is going into system sleep to conserve battery power. Adjust sleep delays in Control[...]

Troubleshooting Troubleshooting Flowchart—Startup Problems - 31 Troubleshooting Flowchart—Startup Problems START Reset the Power Manager. Press power button to begin boot sequence. Do you hear the startup tones? No Yes Are the  startup tones normal? Yes Does any  video appear? No Yes See "Startup" in the [...]

Troubleshooting Troubleshooting Flowchart—Startup Problems - 32 Troubleshooting Flowchart—Startup Problems 1. Boot with extensions off. 2. Boot with Disk Tools Update Driver . 3. Replace the hard drive. 4. Replace the logic board. END Does the PowerBook continue to boot to the desktop? No Yes No Yes No Do the trackpad[...]

Service Source K T ake Apart Po werBook 190/5300 Series[...]

Take Apart Introduction - 1 Introduction These take-apart procedures are designed for use in two ways: At introduction, read through the entire chapter to train yourself on the complete teardown of the computer; and after you are familiar with the overall process, refer to specific procedures for removal of individual parts.[...]

Take Apart Before You Begin - 2 Before You Begin The PowerBook 190/5300 Series computers are the most compact and highest performance PowerBooks to date. It follows then that they are also the most intricate to take apart and reassemble. Use the information in this chapter to save time and frustration when disassembling and reassembling these compu[...]

Take Apart Before You Begin - 3 Caution The 190/5300 Series PowerBook computers contain the highest voltage of any PowerBooks. You must remove the battery and unplug the power adapter before performing any take-apart procedure! T ime-Saving T ips Use the following information to save time when working on the 190/5300 Series computers. • Ensure th[...]

Take Apart Before You Begin - 4 connectors and that the connections are tight. • Take note of the type and location of screws in the computer. A variety of screws are used, and it is easy to confuse the type of screw needed in a particular location. If you need to identify a screw, refer to the screw matrix located in the Basics chapter.[...]

Take Apart Battery - 5 Battery No preliminary steps are required. Caution: The 190/5300 Series PowerBook computers contain the highest voltage of any PowerBook. You must remove the battery and unplug the power adapter before performing any take- apart procedure! Battery[...]

Take Apart Battery - 6 1 Push the button and slide the latch to the side. 2 Pull the battery out of the computer. Caution: Always install the battery before connecting the power adapter. Battery Latch[...]

Take Apart Floppy Drive - 7 Floppy Drive No preliminary steps are required. Floppy Drive[...]

Take Apart Floppy Drive - 8 1 Slide the release button to the side. 2 Grasp the floppy drive by the ridged area on the bottom of the drive case and pull the drive from the media bay. Note : Media bay devices require approximately 7 lb. pull strength. Replacement Caution : Media bay tolerances are tight. Align media bay devices carefully before inse[...]

Take Apart I/O Door - 9 I/O Door No preliminary steps are required. I/O Door[...]

Take Apart I/O Door - 1 0 1 Open the I/O door (approximately 45° from the computer). 2 Placing a finger on each side of the door and one finger in the middle of the door, gently bend the door until the middle bows out away from the machine. 3 Unhinge one side of the door. 4 When the first side is free, lift the door from the remaining hinge. I/O D[...]

Take Apart Front Feet - 1 1 Front Feet No preliminary steps are required. Note: Removing the front feet is not necessary for further take-apart. Front Feet[...]

Take Apart Front Feet - 1 2 With a flat-blade screwdriver, pry up either end of the foot and remove it from the groove in the bottom plastic case. Front Foot[...]

Take Apart Rear Feet - 1 3 Rear Feet No preliminary steps are required. Note: Removing the rear feet is not necessary for further take-apart. Rear Feet[...]

Take Apart Rear Feet - 1 4 Using a flat-blade screwdriver, press in completely on the foot extension button and wait for the foot and spring to eject from the chamber in the CPU stiffener. Replacement Note: The spring should be in the chamber of the foot and on the outer side of the computer. Foot Extension Button Foot Spring[...]

Take Apart Keyboard - 1 5 Keyboard Before you begin, remove the following: • Battery • Floppy Drive Keyboard[...]

Take Apart Keyboard - 1 6 1 Close the computer and turn it upside down. 2 Remove the 3 screws on the bottom of the case. Screw Screw Screw[...]

Take Apart Keyboard - 1 7 3 With the computer right side up and facing you, open the computer. 4 Carefully, lift the keyboard slightly up and toward you until you feel a slight resistance— STOP! Caution: If you pull the keyboard too far toward you, you will rip the keyboard cables out of their connectors. Pull the keyboard just far enough toward [...]

Take Apart Keyboard - 1 8 5 Gently, rotate the top of the keyboard toward you, and lay the keyboard upside down on the palm rest. 6 Using a flat-blade screwdriver, detach the 2 keyboard cables by gently lifting up their respective connector ears. Keyboard Cable Connectors[...]

Take Apart Keyboard - 1 9 7 If a foam gasket is not already installed on the bottom of the keyboard, install a gasket (part number 922-3103) as illustrated. • Replacement Cautions: Carefully angle the keyboard into place. This will prevent the right- most keyboard tab from damaging the I/R cable. • Holding the keyboard in place, turn the unit o[...]

Take Apart Keyboard - 2 0 pressure to the keyboard for the screws to engage. Apply this pressure with care.[...]

Take Apart RAM Card - 21 RAM Card Before you begin, remove the following: • Battery • Floppy Drive • Keyboard Note: A foam gasket should be installed on the bottom of the keyboard to keep the RAM card firmly in place. If a gasket is not installed on the keyboard, see the “Keyboard” topic in this chapter. RAM Card[...]

Take Apart RAM Card - 22 Grasp the RAM card by the corners closest to you— supporting the bottom left corner over the connector— and lift straight up. RAM Card[...]

Take Apart Clutch Covers - 23 Clutch Covers Before you begin, remove the following: • Battery • Floppy Drive • Keyboard Left Clutch  Cover Right Clutch Cover[...]

Take Apart Clutch Covers - 24 1 Position the display at 170 degrees from the body of the computer. 2 Grasp the clutch cover under the display. With a fingernail, pull up from the seam in the back plastics, gently rocking the cover until it releases. 3 When the clutch cover releases, pull straight up, watching to clear the bottom of the display. Rig[...]

Take Apart Clutch Covers - 25 Replacement Note: Install the palm rest before the clutch covers. (The plastic palm rest tabs fit under the clutch cover tabs.)[...]

Take Apart P C Switch Board (PCMCIA) - 2 6 PC Switch Board (PCMCIA) Before you begin, remove the following: • Battery • Floppy Drive • Keyboard • Clutch Covers Note: Removing the PC switch board is not necessary for further take- apart; however, it should not be returned to Apple on the logic board. PC Switch Board (PCMCIA)[...]

Take Apart P C Switch Board (PCMCIA) - 2 7 Remove the PC switch board by gently pulling straight up. Caution: The PC switch board connector is fragile. PC Switch Board (PCMCIA)[...]

Take Apart Display Assembly - 28 Display Assembly Before you begin, remove the following: • Battery • Floppy Drive • Keyboard • Clutch Covers Note: If you are going through these procedures step-by-step for complete disassembly of the computer, removing the display at this point is not necessary but makes further Display Assembly[...]

Take Apart Display Assembly - 29 take apart easier. 1 Disconnect the display cable from the logic board by gently lifting up on the hardened plastic backing of the cable. Caution: The PC switch board connector is fragile. Focus effort on the side of the display cable connector away from the PC switch board. Display Cable Connector PC Switch Board?[...]

Take Apart Display Assembly - 30 2 Tilt the display back 170 degrees from the keyboard and remove the 2 screws holding the metal clutches to the CPU stiffener. Replacement Note: Perform this test to confirm you installed the display assem- bly correctly: Try to insert a 3.5" diskette between the closed assembly and the top case. If you can, th[...]

Take Apart Palm Rest - 3 1 Palm Rest Before you begin, remove the following: • Battery • Floppy Drive • Keyboard • RAM Card • Clutch Covers Palm Rest[...]

Take Apart Palm Rest - 3 2 1 Slowly pull the palm rest toward you (to unlatch it from the bottom case) and then rotate the front of the palm rest over the back until the palm rest is laying upside down in the area the keyboard occupied. Caution: Make certain that you do not pull the trackpad cable out of the connector as you rotate the palm rest. 2[...]

Take Apart Palm Rest - 3 3 Replacement Notes: • Before you reconnect the trackpad cable, check that the ferrite bead is on the cable and that both the cable and the bead fit correctly under the palm rest. • Install the palm rest before the clutch covers. (The palm rest tabs fit under the clutch cover tabs.)[...]

Take Apart Sleep Actuator - 3 4 Sleep Actuator Before you begin, remove the following: • Battery • Floppy Drive • Keyboard • RAM Card • Clutch Covers • Palm Rest Note: Removing the sleep actuator is not necessary for further take-apart Sleep Actuator[...]

Take Apart Sleep Actuator - 3 5 1 Place a flat-blade screwdriver blade behind the actuator and push the actuator away from the side of the palm rest. 2 Lift the actuator off the pins. Pins Sleep Actuator[...]

Take Apart Trackpad - 3 6 Trackpad Before you begin, remove the following: • Battery • Floppy Drive • Keyboard • RAM Card • Clutch Covers • Palm Rest Trackpad[...]

Take Apart Trackpad - 3 7 1 Remove the 3 screws holding the trackpad button and closure switch in place. Screw Screw Closure Switch Screw[...]

Take Apart Trackpad - 3 8 2 Grip the trackpad button switch board and slide it out between the four tabs holding it in place. 3 Disconnect the trackpad cable from the trackpad. 4 Lift the trackpad out from under the mounting ledge. Replacement Note: Note the two tiny notches on the trackpad (near the button) and how they align with the tabs in the [...]

Take Apart Trackpad - 3 9 Note: If you clean the trackpad surface, use a nonstatic inducing material and make certain that the computer is off .[...]

Take Apart Hard Drive - 40 Hard Drive Before you begin, remove the following: • Battery • Floppy Drive • Keyboard • RAM Card • Clutch Covers • Palm Rest Hard Drive[...]

Take Apart Hard Drive - 41 1 Remove the 3 screws connecting the hard drive bracket t o the CPU stiffener. 2 Lift up the bracket until you feel a slight resistance—STOP! (The hard drive cable is attached to the logic board on the left side of the bracket.) Screw Screw Screw Hard Drive Bracket[...]

Take Apart Hard Drive - 42 3 Rotate the right side of the hard drive bracket over the left so that the bracket is sitting upside down to the left of the computer. 4 Disconnect the hard drive cable from the logic board by carefully pulling straight up on hardened plastic back of the cable connector. 5 Remove the 4 screws holding the drive in the bra[...]

Take Apart Hard Drive - 43 Replacement Notes: • Make certain that you have installed the hard drive EMI shield and insulator before you return the hard drive to the bracket. • Check that the heat sink leaf spring is in place before you fasten down the hard drive bracket. Heat Sink Leaf Spring Hard Drive EMI Shield[...]

Take Apart Hard Drive - 44 • Before you fasten down the hard drive bracket, verify that the backup battery cable is routed through the prongs on the CPU stiffener and under the notch in the hard drive bracket. • If you have removed the heat sink, remember to replace it before you replace the hard drive bracket. Backup Battery Cable Prongs CPU S[...]

Take Apart Power Supply Board (5300 Series Only) - 45 Power Supply Board (5300 Series Only) Before you begin, remove the following: • Battery • Floppy Drive • Keyboard • RAM Card • Clutch Covers • Palm Rest • Hard Drive Power Supply Board (5300 Series only)[...]

Take Apart Power Supply Board (5300 Series Only) - 46 1 Disconnect the backup battery cable from the power supply board by carefully pulling the male portion of the connector to the right. 2 Lift the power supply board straight up, supporting all sides of the board (the power supply board connector is under the backup battery connector). Caution: M[...]

Take Apart Power Supply Board (5300 Series Only) - 47 Note: As part of the 190/ 5300 Repair Extension Program, some PowerBook 5300 power supplies were upgraded with shields. The shields were installed on top of the power supply insulator. 3 Remove the power supply shield.[...]

Take Apart Power Supply Board (5300 Series Only) - 48 Replacement Caution: Carefully fold the power supply shield at the perforations and install it as shown. Proper placement prevents the shield’s edges from bending onto components on the power supply.[...]

Take Apart Backup Battery - 4 9 Backup Battery Before you begin, remove the following: • Battery • Floppy Drive • Keyboard • RAM Card • Clutch Covers • Palm Rest • Hard Drive • Power Supply Board (5300 Series only) Backup Battery[...]

Take Apart Backup Battery - 5 0 1 In the 190 Series computers, disconnect the backup battery cable from the logic board by carefully pulling straight up on the male portion of the connector. Backup Battery Cable Connector (190 Series only)[...]

Take Apart Backup Battery - 5 1 2 For all 190/5300 Series computers, lift the backup battery out of its pocket in the CPU stiffener. Replacement Note: Verify that the backup battery cable is routed through the prongs on the CPU stiffener and under the notch in the hard drive bracket before you fasten down the hard drive bracket. For correct routing[...]

Take Apart Heat Sink - 5 2 Heat Sink Before you begin, remove the following: • Battery • Floppy Drive • Keyboard • RAM Card • Clutch Covers • Palm Rest • Hard Drive • Power Supply Board (5300 Series only) Heat Sink[...]

Take Apart Heat Sink - 5 3 Remove the heat sink by lifting up and slightly forward (to allow the back tabs to clear the port area). Replacement Note: Replace the heat sink before you replace the hard drive bracket. Heat Sink[...]

Take Apart Video Board (Optional on 190 Series) - 5 4 Video Board (Optional on 190 Series) Before you begin, remove the following: • Battery • Floppy Drive • Keyboard • RAM Card • Clutch Covers • Palm Rest • Hard Drive • Power Supply Board (5300 Series only) • Heat Sink Video Board (190 Series option)[...]

Take Apart Video Board (Optional on 190 Series) - 5 5 1 Position the computer so that you are looking at the back port area. 2 Remove the screw between the video and sound input ports. Screw[...]

Take Apart Video Board (Optional on 190 Series) - 5 6 3 Turn the computer so that it is facing you. 4 Remove the screw securing the video board. 5 Supporting the corners of the board closest to you (over the connector), lift the video board straight up and maneuver it out from under the infrared cable. Replacement Note: Make certain that the plasti[...]

Take Apart Logic Board - 5 7 Logic Board Before you begin, remove the following: • Battery • Floppy Drive • Keyboard • RAM Card • Clutch Covers • Palm Rest • Hard Drive • Power Supply Board (5300 Series only) • Backup Battery • Heat Sink • Video Board (190 Series option) Logic Board[...]

Take Apart Logic Board - 5 8 1 Disconnect the infrared (if present) and media bay LED cables from the logic board. 2 Carefully, maneuver the logic board back and forth until the port connectors are free of the port holes in the back of the plastic case. Note : The logic board often catches on a notch in the back of the plastic case near the media b[...]

Take Apart Logic Board - 5 9 Caution : Be careful that the logic board clears both the media bay and the PC Card bay. Replacement Note: The logic board will snap into place when you align 1 the I/O port connectors 2 the metal prongs over the ledge for the PC Card bay and the PC Card module’s sides under the ledge 3 the notches near the media bay [...]

Take Apart CPU Stiffener - 60 CPU Stiffener Before you begin, remove the following: • Battery • Floppy Drive • Keyboard • RAM Card • Clutch Covers • Display Assembly • Palm Rest • Hard Drive • Power Supply Board (5300 Series only) • Heat Sink • Video Board (190 Series Option) • Logic Board CPU Stiffener[...]

Take Apart CPU Stiffener - 61 1 Remove the 2 screws holding the center clutch cover to the CPU stiffener. Center Clutch Cover Screw Screw[...]

Take Apart CPU Stiffener - 62 2 Remove the 3 screws holding the CPU stiffener to the back of the bottom case. 3 Free the stiffener from the infrared and media bay cables. 4 Remove the CPU stiffener from the bottom case. Replacement Tip: Make certain that the infrared board, infrared window, port EMI shield, and media bay LED cable are correctly ali[...]

Take Apart Infrared Board (Optional on 190 Series) - 63 Infrared Board (Optional on 190 Series) Before you begin, remove the following: • Battery • Floppy Drive • Keyboard • RAM Card • Clutch Covers • Display Assembly • Palm Rest • Hard Drive • Power Supply Board (5300 Series only) • Heat Sink • Video Board Infrared Board ([...]

Take Apart Infrared Board (Optional on 190 Series) - 64 • Logic Board • CPU Stiffener Remove the infrared window from the back of the computer. The infrared board will fall out when you remove the window. Replacement Caution: Make certain that you insert the infrared cable into the logic board connector correctly. When the connection is straigh[...]

Take Apart Infrared Board (Optional on 190 Series) - 65 (soldered) fuse on the logic board. Replacement Notes: • Do not leave fingerprints on the infrared window. If you touch the window, use a soft lint-free cloth to clean it before replacing it in the computer. • Make certain that the infrared board and window are correctly aligned in the pro[...]

Take Apart Media Bay LED - 66 Media Bay LED Before you begin, remove the following: • Battery • Floppy Drive • Keyboard • RAM Card • Clutch Covers • Display Assembly • Palm Rest • Hard Drive • Power Supply Board (5300 Series only) • Heat Sink • Video Board (190 Series Option) • Logic Board Media Bay LED[...]

Take Apart Media Bay LED - 67 • CPU Stiffener Insert a flat-blade screwdriver under the crystal o f the media bay light pipe and gently pry up until the LED assembly dislodges. Media Bay LED[...]

Take Apart P C Card Door (PCMCIA) - 68 PC Card Door (PCMCIA) Before you begin, remove the following: • Battery • Floppy Drive • Keyboard • RAM Card • Clutch Covers • Display Assembly • Palm Rest • Hard Drive • Power Supply Board (5300 Series only) • Heat Sink • Video Board (190 Series Option) • Logic Board PC Card Door (P[...]

Take Apart P C Card Door (PCMCIA) - 69 • CPU Stiffener 1 Remove the rubber door retainer O-ring. 2 Carefully bow the top piece of the door until the side hinge pin is free. 3 Repeat step 2 to remove the bottom piece of the door. Caution: The door retainer O-ring is fragile. Remove it with care. Hinge Pin Door (top piece) Door Retainer O-Ring[...]

Take Apart Video Expansion Cover (Optional on 190 Series) - 7 0 Video Expansion Cover (Optional on 190 Series) Before you begin, remove the following: • Battery • Floppy Drive • Keyboard • RAM Card • Clutch Covers • Palm Rest • Hard Drive • Power Supply Board (5300 Series only) • Heat Sink Video Expansion  Cover (190 Series [...]

Take Apart Video Expansion Cover (Optional on 190 Series) - 7 1 Squeeze both sides of the video expansion cover and push it through the video port hole. Video Expansion Cover (190 Series only)[...]

Take Apart Reset Actuator - 7 2 Reset Actuator Before you begin, remove the following: • Battery • Floppy Drive • Keyboard • RAM Card • Clutch Covers • Display Assembly • Palm Rest • Hard Drive • Power Supply Board (5300 Series only) • Heat Sink • Video Board (option) • Logic Board • CPU Stiffener • Reset Actuator[...]

Take Apart Reset Actuator - 7 3 • Video Cover (190 Series only) 1 Lift off the I/O EMI shield. Reset Actuator Front View I/O EMI Shield[...]

Take Apart Reset Actuator - 7 4 2 Slide the reset actuator to the right and lift it out of the EMI shield. Reset Actuator Rear (Port) View[...]

Take Apart Sound-In Cover (190 Series Only) - 75 Sound-In Cover (190 Series Only) Before you begin, remove the following: • Battery • Floppy Drive • Keyboard • RAM Card • Clutch Covers • Display Assembly • Palm Rest • Hard Drive • Power Supply Board (5300 Series only) • Heat Sink • Video Board (190 Series Option) Sound-in Cove[...]

Take Apart Sound-In Cover (190 Series Only) - 76 • Logic Board Simultaneously push down on the sound-in cover while sliding it off the logic board. Sound-In Cover (190 Series only) SCSI Connector Logic Board[...]

Take Apart Media Bay Release Mechanism - 7 7 Media Bay Release Mechanism Before you begin, remove the following: • Battery • Floppy Drive • Keyboard • RAM Card • Clutch Covers • Display Assembly • Palm Rest • Hard Drive • Power Supply Board (5300 Series only) • Heat Sink • Video Board (190 Media Bay Release Mechanism[...]

Take Apart Media Bay Release Mechanism - 7 8 Series Option) • Logic Board • CPU Stiffener 1 Remove the spring from the top of the media bay release mechanism. Spring Media Bay Release Mechanism[...]

Take Apart Media Bay Release Mechanism - 7 9 2 Grasp the left side of the release mechanism and carefully lift up. The entire mechanism will pop out of its track. Note: If the mechanism doesn’t immediately pop out, pull back on the sides of the track to help free it (see arrows at left). Replacement Note: Starting with the right side of the relea[...]

Take Apart Display Housing - 80 Display Housing Before you begin, remove the following: • Battery • Floppy Drive • Keyboard • Clutch Covers • Display Assembly Display Housing[...]

Take Apart Display Housing - 81 1 Using a plastic swizzle stick, remove the 2 product name plates to expose the underlying screws. Tab Tab Name Plate[...]

Take Apart Display Housing - 82 Note : As part of the PowerBook 190/5300 Repair Extension Program, the original bottom screws on some color displays were replaced with patchlock screws. 2 Remove the 4 screws holding the bezel to the back display housing.[...]

Take Apart Display Housing - 83 3 Turn the display over, face down. 4 Starting at the bottom of the display housing, using a flat-blade screw -driver, carefully pry the plastics apart at the 6 inner latch locations. Replacement Caution: Overtightening the lower 2 bezel screws can cause the bezel to crack. As a test, open and close the display assem[...]

Take Apart Inverter Board - 84 Inverter Board Before you begin, remove the following: • Battery • Floppy Drive • Keyboard • Clutch Covers • Display Assembly • Display Housing Note : As part of the PowerBook 190/5300 Repair Extension Program, the 2 rightmost screws on some displays were replaced with patchlock screws. Inverter Board[...]

Take Apart Inverter Board - 85 1 Disconnect the 3 visible screws holding the display to the bezel. 2 Lay back the display EMI insulator and gently lift the inverter board— STOP! (4 cables are attached on three sides of the board.)[...]

Take Apart Inverter Board - 86 3 Carefully, rotate the inverter board so that it is lying face up near the middle of the display. 4 Disconnect the 4 cables from the inverter board. Caution: Disconnect the 4 cables carefully. The connectors and cables on the inverter board are fragile, especially the microphone cable. Display Cable Backlight Cabl[...]

Take Apart Display - 87 Display Before you begin, remove the following: • Battery • Floppy Drive • Keyboard • Clutch Covers • Display Assembly • Display Housing • Inverter Board Display[...]

Take Apart Display - 88 Note : As part of the PowerBook 190/500 Repair Extension Program, the original screws on some color displays were replaced with patchlock screws. 1 Remove the 2 remaining screws holding the display to the display bezel. 2 Disconnect the display cable from the display by gently pulling straight up on the reinforced backing of[...]

Take Apart Display - 89 from the bezel. 4 Remove the display EMI insulator. Replacement Notes: • When installing the display cable over the left clutch, make sure that you route the cable over the pegs and not under the screw (see “Clutches” procedure in this Take Apart). • Bend new display cables as shown in the picture on the previous pag[...]

Take Apart Microphone - 9 0 Microphone Before you begin, remove the following: • Battery • Floppy Drive • Keyboard • Clutch Covers • Display Assembly • Display Housing • Inverter Board Microphone[...]

Take Apart Microphone - 9 1 1 Remove the microphone from its housing in the bezel by pushing on any side of the microphone not encased in plastic. Microphone[...]

Take Apart Speaker - 92 Speaker Before you begin, remove the following: • Battery • Floppy Drive • Keyboard • Clutch Covers • Display Assembly • Display Housing • Inverter Board Speaker[...]

Take Apart Speaker - 93 1 Using a #00 jeweler’s screwdriver, remove one of the two small screws securing the speaker clip to the display bezel. 2 Slide the speaker out from under the clip. Speaker Speaker Clip Screw Screw[...]

Take Apart Clutches - 9 4 Clutches Before you begin, remove the following: • Battery • Floppy Drive • Keyboard • Clutch Covers • Display Assembly • Display Housing Clutches[...]

Take Apart Clutches - 9 5 Note : As part of the PowerBook 190/5300 Repair Extension Program, the original screws on some clutches were replaced with patchlock screws. 1 Remove the screw securing the clutch to the display bezel. Replacement Note: When installing the display cable over the left clutch, make sure that you route the cable over the pegs[...]

Take Apart Floppy Drive Mechanism - 96 Floppy Drive Mechanism Before you begin, eject the floppy drive from the media bay. Floppy Drive[...]

Take Apart Floppy Drive Mechanism - 97 1 Using a #6 torx driver, remove the 4 screws holding the floppy drive mechanism in its case. 2 Lift the floppy drive mechanism out of the bottom case. 3 Slide the top case away from the back connector, and the floppy drive mechanism will be free of the case. Screw Floppy Drive Mechanism Top Case Screw Scre[...]

Take Apart Floppy Drive Mechanism - 98 4 Disconnect the floppy drive cable and floppy drive board from the mechanism by carefully lifting up the ears of the connector with a flat- blade screwdriver. 5 Disconnect the floppy drive cable from the floppy drive board by releasing the cable from the connector on the board. Floppy Drive Board Floppy Drive[...]

Service Source K Upgrades Po werBook 190/5300 Series[...]

Upgrades Upgrades for PowerBook 190 Series - 1 Upgrades for PowerBook 190 Series The PowerBook 190 Series computers can achieve PowerBook 5300 Series performance through upgrades. Use the table below to decide which section of the Take Apart chapter you will need to perform the desired upgrade. Upgrade Section of T ake Apar t Chapter Needed to P er[...]

Service Source K Additional Procedures Po werBook 190 /5300[...]

Additional Procedures - 1 P owerBook 5300/190 Repair Extension Program To obtain an overview of the REA program for the PowerBook 5300/190 and a list of its procedures, refer to the Determining Warranty Status section of the Programs Manual. Use this path: Programs tab/Determining Warranty Status/Repair Extension Programs.[...]

Additional Procedures PRAM and Power Manager Reset - 2 PRAM and Power Manager Reset Caution: Resetting parameter RAM (PRAM) erases the contents of the RAM disk, if there is one. Resetting PRAM also restores the default settings in most control panels. After you reset PRAM, be sure to check any custom settings for the desktop pattern, memory, networ[...]

Additional Procedures PRAM and Power Manager Reset - 3 2 Power on the computer by pressing the Power key. 3 Immediately hold down the Option-Command-P-R keys. 4 Keep holding down these four keys until you have heard the startup chime at least one additional time after the initial startup chime. (If the PowerBook emits multiple chimes when you are h[...]

Additional Procedures PRAM and Power Manager Reset - 4 Note: If the PowerBook powers off and the sleep display light stays a solid green with no blinking, press the Reset button again. 6 If the PowerBook does not power on from the Reset button, turn the PowerBook on by pressing the Power key. 7 After the computer has started up, select Shut Down fr[...]

Additional Procedures PRAM and Power Manager Reset - 5 Resetting the P ower Manager Follow these steps to reset the power manager: 1 Remove the battery. 2 Disconnect the AC adapter from the PowerBook and unplug it from the wall outlet. 3 Press and hold the Reset button for one minute. 4 Plug the AC adapter into the wall outlet. 5 Connect the AC ada[...]

Additional Procedures PRAM and Power Manager Reset - 6 Battery V erification The Control Strip on the PowerBook 190/5300 Series desktop indicates the battery charge and the rate at which the battery is being used. To determine the actual battery charge, use a voltmeter: 1 Set the voltmeter appropriately so it is able to measure 14 volts on the DC [...]

Additional Procedures PRAM and Power Manager Reset - 7 negative probe to the negative terminal. 3 A fully charged battery measures 14 volts; a PC fully discharged battery measures 7.8 volts.[...]

Additional Procedures Backup Battery Verification - 8 Backup Battery Verification The backup battery saves the PRAM and power management information on the logic board when the computer is shut down. To check that the backup battery is working, follow the procedures below. 1 Set the date and time. 2 Perform a Shut Down from the Apple Menu or Specia[...]

Additional Procedures - 9 6 To recharge the backup battery, leave the PowerBook plugged in for 48 hours. It is ok to use it while it is charging. 7 If the backup battery appears dead or will not charge, replace the backup battery.[...]

Additional Procedures Power Adapter Verification - 10 Power Adapter Verification Follow the steps below to verify that a PowerBook 190/5300 Series power adapter is functioning correctly. Do not use these output voltages to verify any other PowerBook adapter. 1 Plug the AC adapter into a wall socket. 2 Set a voltmeter to the 10 volts DC scale. 3 Usi[...]

Additional Procedures Power Adapter Verification - 11 your voltmeter, touch the positive voltmeter probe to the inside of the adapter plug, and touch the negative voltmeter probe to the outside of the adapter plug. If the reading is not between 21.6–26.4 V, replace the adapter.[...]

Service Source K Exploded V ie w Po werBook 190/5300 Series[...]

Exploded View 1 PowerBook 190/5300 Series 076-0507 Media Bay Release Mechanism Kit 922-1588 Front Foot 076-0627 Bottom Case Kit 922-1430 O-Ring Door Retainer 922-1429 PC Bay Door 922-2666 Chassis/CPU Stiffner 922-1438 I/O Door 922-1437 Reset Actuator 076-0506 Media Bay LED Kit 076-0524 Floppy Case Kit (Bottom) 922-1674 Floppy Drive Cable 661-1360 F[...]