Lenovo B575E инструкция обслуживания

Har dwar e Maint enance Manual L enovo B575e[...]

Note: Before using this information and the pr oduct it supports, be sur e to read the gener al information under Appendix A “Notices” on page 93. First Edition (July 2012) © Copyright Lenovo 2012. LIMITED AND RES TRICTED RIGHTS NO TICE: If data or softwar e is delivered pursuant a Gener al Services Administr ation “GSA ” contr act, use, r[...]

Contents About this manual . . . . . . . . . . . iii Chapter 1. Safety information . . . . . . 1 General safety . . . . . . . . . . . . . . . . 1 Electrical safety . . . . . . . . . . . . . . . 2 Safety inspection guide . . . . . . . . . . . . 3 Handling devices that ar e sensitive t o electr ostatic discharge . . . . . . . . . . . . . . . . . . 3 [...]

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About this manual This manual pr ovides service and r eference information for the following L enovo ® products. Machine Machine type (MT) Lenovo B575e 3685, 20189 Use this manual to tr oubleshoot problems. The manual is divided int o the following sections: • The common sections pr ovide general information, guidelines, and safety information r[...]

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Chapter 1. Safety information This chapter pr esents the following safety information that you need t o be familiar with befor e you service a Lenovo notebook comput er . • “General safety” on page 1 • “Electrical safety” on page 2 • “Safety inspection guide” on page 3 • “Handling devices that are sensitive t o electr ostatic [...]

Electrical safety Observe the following rules when working on electrical equipment. Important: Use only approved tools and t est equipment. Some hand t ools have handles covered with a soft material that does not insulat e you when working with live electrical curr ents. Many cust omers have, near their equipment, rubber oor mats that contain sm[...]

– Use caution; do not become a victim yourself. – Switch off power . – Send another person t o get medical aid. Safety inspection guide The purpose of this inspection guide is to assist you in identifying pot entially unsafe conditions. As each machine was designed and built, requir ed safety items were installed to prot ect users and service[...]

2. Make sur e that the ESD prot ective devices you use have been certied (ISO 9000) as fully effective. When handling ESD-sensitive parts: • K eep the parts in prot ective packages until they ar e inserted into the product. • A void contact with other people. • W ear a gr ounded wrist strap against your skin to eliminate static on your bod[...]

DANGER DANGER DANGER DANGER DANGER Chapter 1 . Safety information 5[...]

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Chapter 1 . Safety information 7[...]

PERIGO PERIGO PERIGO PERIGO PERIGO PERIGO 8 Hardwar e Maintenance Manual[...]

PERIGO PERIGO DANGER DANGER DANGER Chapter 1 . Safety information 9[...]

DANGER DANGER DANGER DANGER DANGER VORSICHT 10 Hardwar e Maintenance Manual[...]

VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 . Safety information 11[...]

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Chapter 1 . Safety information 13[...]

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Chapter 1 . Safety information 15[...]

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Chapter 1 . Safety information 17[...]

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Laser compliance statement (multilingual translations) The laser compliance stat ements in this section are provided in the following languages: • English • Ar abic • Br azilian P ortuguese • F r ench • German • Hebr ew • Japanese • K orean • Spanish • T r aditional Chinese Chapter 1 . Safety information 19[...]

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Chapter 1 . Safety information 21[...]

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Chapter 1 . Safety information 23[...]

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Chapter 1 . Safety information 25[...]

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Chapter 2. Important service information This chapt er presents the following important service information that applies t o all machine types supported by this manual: • “Str ategy for r eplacing FRUs” on page 27 – “Str ategy for replacing a hard disk drive” on page 28 – “Important notice for r eplacing a system boar d” on page 2[...]

• If an adapter or a device consists of mor e than one FRU , any of the FRUs may be the cause of the error . Before replacing the adapter or device, r emove the FRUs, one by one, t o see if the sympt oms change. Replace only the FRU that changed the sympt oms. Strat egy for replacing a har d disk drive Always try t o run a low-level format befor [...]

Chapter 3. General checkout This chapter pr esents following information: • “What to do rst” on page 29 • “P ower system check out” on page 30 Before you go t o the checkout guide, be sur e to read the following important notes. Important notes: • Only certied tr ained personnel should service the computer . • Before replacing[...]

• Diskett e drive damage caused by pressur e on the diskett e drive cover , for eign material in the drive, or the insertion of a disk ette with multiple labels • Damaged or bent diskett e eject button • F uses blown by attachment of a nonsupported device • F or gotten comput er password (making the computer unusable) • Sticky keys caused[...]

Note: Noise from the ac power adapt er does not always indicate a defect. Checking oper ational charging T o check whether the battery char ges properly during oper ation, use a dischar ged battery pack or a battery pack that has less than 50% of the t otal power r emaining when installed in the computer . P erform oper ational char ging. If the ba[...]

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Chapter 4. Related service information This chapter pr esents the following information: • “Recovering the comput er settings” on page 33 • “P asswords” on page 33 • “P ower management” on page 34 Recovering the computer settings P erforming backup and recovery oper ations using the OneK ey Recovery Pro pr ogram The OneKey Recover[...]

P ower management Note: P ower management modes ar e not supported for APM oper ating system. T o reduce power consumption, the computer has thr ee power management modes: screen blank, sleep, and hibernation. Screen blank mode If the time set on the “T urn off monitor” timer in the operating system e xpires, the L CD backlight turns off. Y ou [...]

• If a “hibernation time” has been set on the timer , and if the user does not do any oper ation with the keyboard, the har d disk drive, the parallel connect or , or the diskett e drive within that time. • If the timer conditions ar e satised in suspend mode. When the power is turned on, the comput er returns from hibernation mode and r[...]

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Chapter 5. Lenovo B575e This chapter presents the following pr oduct-specic service r eferences and parts information: • “Specications” on page 37 • “Status indicators” on page 38 • “Fn key combinations” on page 39 Specications This t opic lists the physical featur es for the Lenovo B575e models. Pr ocessor • T o view t[...]

• Int egrated Bluet ooth (on some models) • Int egrated WiMAX • 100/1000 Mbps E thernet communication Status indicators This topic presents the system status indicators that show the status of the comput er . 4 5 6 1 2 3 T able 1. Status indicators Indicator Meaning 1 Caps lock indicator White: Caps lock mode is enabled. Y ou can enter all al[...]

T able 1. Status indicat ors (continued) Indicator Meaning 5 Battery status indicator • Blinking orange (500ms off/1s on): The r emaining power of the batt ery is less than 5% of its capacity . • Blinking orange (100ms off/3.2s on): The battery is being charged with the remaining power between 5% and 20% of its capacity . • Orange: The comput[...]

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Chapter 6. FRU replacement notices This chapt er pr esents notices relat ed to r emoving and replacing parts. Read this chapter carefully before replacing any FRU. Screw notices Loose scr ews can cause a reliability pr oblem. In the L enovo not ebook comput er , this problem is addr essed with special nylon-coated screws that have the following cha[...]

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Chapter 7. Removing and replacing a FRU This chapter pr esents dir ections and drawings for use in r emoving and replacing a FRU . Be sur e to observe the following general rules: 1. Do not try to service any comput er unless you have been trained and certied. An untrained person runs the risk of damaging parts. 2. Before replacing any FRU, r ev[...]

Unlock the manual batt ery latch 1 . Holding the spring-loaded battery latch in the unlocked position, remove the battery pack in the dir ection shown by the arrow 2 . 1 1 2 2 When installing: Install the battery pack in the slot. Make sur e that the battery latches ar e in the lock ed position. 1020 Bottom slot cover F or access, remove this FRU: [...]

1030 Hard disk drive F or access, remove these FRUs in or der: • “1010 Battery pack” on page 43 • “1020 Bottom slot cover” on page 44 Attention: • Do not dr op the drive or apply any physical shock t o it. The drive is sensitive to physical shock. Improper handling can cause damage and permanent loss of data. • Befor e removing the [...]

Removal steps of hard disk drive bracket Remove the screws 1 . 1 1 1 1 Step Screw (quantity) Color T orque 1 M3 × 2.8 mm, at-head, nylon-coat ed (4) Silver 4 kgfcm Remove the hard disk drive br acket in the direction shown by the arr ow 2 . 2 1040 Optical drive F or access, remove these FRUs in or der: • “1010 Battery pack” on page 43 •[...]

1 Step Screw (quantity) Color T orque 1 M2 × 3 mm, at-head, nylon-coated (1) Black 1.6 kgfcm Insert a scr ewdriver into the screw hole and push the optical drive. Pull the optical drive out. 3 2 1050 Memory modules F or access, remove these FRUs in or der: • “1010 Battery pack” on page 43 • “1020 Bottom slot cover” on page 44 Chapte[...]

Removal steps of memory modules Release the two latches on both edges of the sock et at the same time in the dir ection shown by the arr ows 1 , and then unplug the DIMM in the direction shown by the arr ow 2 . 1 1 2 Note: If only one memory module is used on the computer you are servicing, the card must be installed in SL OT -0 ( a : lower slot), [...]

Removal steps of PCI Expr ess Mini Car d for wireless LAN Disconnect the cable from the car d using the r emoval t ool antenna RF connect or (P/N: 08K7159) or pick up the cable with your ngers and then gently disconnect it from the card in the dir ection of the arr ow 1 . Then remove the screw 2 . 2 1 1 Step Screw (quantity) Color T orque 2 M2 ?[...]

Remove the car d in the dir ection shown by the arrow 3 . 3 When installing: Plug the black cable (MAIN) int o the jack labeled A , and the whit e cable (AUX) into the jack labeled B on the card. 1070 Backup battery F or access, remove these FRUs in or der: • “1010 Battery pack” on page 43 • “1020 Bottom slot cover” on page 44 Removal s[...]

Insert a screwdriver int o the backup battery hole and push the backup batt ery until the batt ery pops up. 1080 K eyboard F or access, remove these FRUs in or der: • “1010 Battery pack” on page 43 • “1020 Bottom slot cover” on page 44 Chapter 7 . Removing and replacing a FRU 51[...]

Removal steps of keyboard Remove the screws 1 . 1 1 1 When installing: Make sure the screws have been fast ened t o secur e the keyboar d. Step Screw (quantity) Color T orque 1 M2.5 × 7 mm, at-head, nylon-coat ed (3) Black 3.0 kgfcm Push har d in the dir ection shown by the arrows 2 to unlatch the rear edge of the keyboard. 2 2 52 Hardwar e Mai[...]

The keyboard will open up slightly 3 . 3 Chapter 7 . Removing and replacing a FRU 53[...]

Car efully lift the keyboar d until you can see how it is connected. Hold the keyboar d above the computer 4 , and then detach the connect or in the dir ection shown by the arr ows 5 and 6 . 4 5 6 1090 K eyboard bez el F or access, remove these FRUs in or der: • “1010 Battery pack” on page 43 • “1020 Bottom slot cover” on page 44 • ?[...]

Removal steps of keyboard bez el Remove scr ews 1 and 2 that secur e the keyboar d bezel. 1 1 1 1 1 1 1 2 2 2 1 1 1 Step Screw (quantity) Color T orque 1 M2.5 × 7 mm, at-head, nylon-coated (10) Black 3.0 kgfcm 2 M2 × 3 mm, at-head, nylon-coat ed (3) Black 1.6 kgfcm Chapter 7 . Removing and replacing a FRU 55[...]

Remove the screw 3 . 3 Step Screw (quantity) Color T orque 3 M2 × 5 mm, at-head, nylon-coat ed (1) Black 1.6 kgfcm 56 Hardwar e Maintenance Manual[...]

Detach the connectors. 7 6 5 4 10 9 8 When installing: Make sur e that the connectors are attached rmly to the system boar d. Remove the keyboard bezel. 11 11 11 11 11 11 11 11 11 12 Chapter 7 . Removing and replacing a FRU 57[...]

1100 LED board and power boar d F or access, remove these FRUs in or der: • “1010 Battery pack” on page 43 • “1020 Bottom slot cover” on page 44 • “1030 Hard disk drive” on page 45 • “1040 Optical drive” on page 46 • “1050 Memory modules” on page 47 • “1060 PCI Expr ess Mini Car d for wir eless LAN” on page 48 ?[...]

1110 Microphone assembly F or access, remove these FRUs in or der: • “1010 Battery pack” on page 43 • “1020 Bottom slot cover” on page 44 • “1030 Hard disk drive” on page 45 • “1040 Optical drive” on page 46 • “1050 Memory modules” on page 47 • “1060 PCI Expr ess Mini Car d for wir eless LAN” on page 48 • “10[...]

• “1050 Memory modules” on page 47 • “1060 PCI Expr ess Mini Car d for wir eless LAN” on page 48 • “1070 Backup battery” on page 50 • “1080 Keyboard” on page 51 • “1090 Keyboar d bezel” on page 54 Removal steps of I/O board Remove the scr ew 1 , and then detach the cable. 2 1 Step Screw (quantity) Color T orque 1 M2 ×[...]

Remove the I/O boar d 4 . 3 Chapter 7 . Removing and replacing a FRU 61[...]

Removal steps of RJ45 Ethernet board Remove the scr ews 1 , and then detach the cable. 1 1 3 2 Step Screw (quantity) Color T orque 1 M2 × 5 mm, at-head, nylon-coated (2) Black 1.85 kgfcm When installing: Make sur e that the cable is attached rmly t o the system board. 62 Hardwar e Maintenance Manual[...]

Remove the RJ45 Ethernet boar d 4 . 4 1130 System board assembly Important notices for handling the system board: When handling the syst em board, bear the following in mind: • Be careful not to drop the syst em boar d on a bench t op that has a har d surface, such as metal, wood, or composite. • A void r ough handling of any kind. • At every[...]

Removal steps of system board Remove the screw 1 . Detach the connectors. 5 4 7 6 3 8 2 1 Step Screw (quantity) Color T orque 1 M2 × 5 mm, at-head, nylon-coated (1) Black 3.0 kgfcm When installing: Make sure that all the connect ors ar e attached rmly . 64 Hardwar e Maintenance Manual[...]

Detach the connector 9 and remove the system boar d in the dir ection shown by the arr ow 10 . 9 10 1140 L CD unit F or access, remove these FRUs in or der: • “1010 Battery pack” on page 43 • “1020 Bottom slot cover” on page 44 • “1030 Hard disk drive” on page 45 • “1040 Optical drive” on page 46 • “1050 Memory modules?[...]

Removal steps of L CD unit Release the antenna cables from the cable guides. Then remove the scr ews 2 . 1 1 1 1 Step Screw (quantity) Color T orque 2 M2 × 5 mm, at-head, nylon-coated (4) Black 1.6 kgfcm When installing: • Rout e the antenna cables along the cable guides. As you route the cables, make sur e that they are not subject to any te[...]

Remove the L CD unit in the direction shown by the arrow 2 . 2 1150 Thermal fan assembly F or access, remove these FRUs in or der: • “1010 Battery pack” on page 43 • “1020 Bottom slot cover” on page 44 • “1030 Hard disk drive” on page 45 • “1040 Optical drive” on page 46 • “1050 Memory modules” on page 47 • “1060 P[...]

Removal steps of thermal fan assembly Detach the connect or in the direction shown by the arrow 1 . 1 When installing: Make sur e that the connector is attached rmly . Loosen the screws 2 t o 4 , but do not remove them. 4 3 2 68 Hardwar e Maintenance Manual[...]

Lift the thermal fan assembly in the dir ection shown by the arr ow 5 . Attention: Be careful not to damage the connector . 5 Attention: Do not handle the thermal fan assembly roughly . Improper handling can cause dist ortion or deformation and imperfect contact with components. When installing: Befor e you attach the thermal fan assembly to the co[...]

Removal steps of speaker assembly Remove the screws 1 . Then remove the speaker assembly 2 . 1 2 1 2 1 1 Step Screw (quantity) Color T orque 1 M2 × 5 mm, at-head, nylon-coated (4) Black 4.0 kgfcm 1170 DC-in sub card and base cover F or access, remove these FRUs in or der: • “1010 Battery pack” on page 43 • “1020 Bottom slot cover” o[...]

Removal steps of DC-in sub card Remove the screws 1 , and then r emove the DC-in sub car d in the direction shown by the arr ow 2 . 1 Step Screw (quantity) Color T orque 1 M2 × 3 mm, at-head, nylon-coated (2) Black 1.85 kgfcm Chapter 7 . Removing and replacing a FRU 71[...]

Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds. If the Windows Certicat e of Authentication label (CO A) 12 is attached to a part that is r eplaced, return the old part with the label attached to the cust omer , or provide a letter to the customer stating what the label was origi[...]

• “1090 Keyboar d bezel” on page 54 • “1130 Syst em board assembly” on page 63 • “1140 L CD unit” on page 65 Removal steps of L CD front bezel Remove the screws 1 . 1 1 Step Screw (quantity) Color T orque 1 M2 × 5 mm, at-head, nylon-coated (2) Black 1.85 kgfcm Remove the L CD fr ont bezel in the direction shown by the arr ows [...]

2020 Integr ated camer a F or access, remove these FRUs in or der: • “1010 Battery pack” on page 43 • “1080 Keyboard” on page 51 • “1090 Keyboar d bezel” on page 54 • “1130 Syst em board assembly” on page 63 • “1140 L CD unit” on page 65 • “2010 L CD front bez el” on page 72 Removal steps of integrated camer a Re[...]

Removal steps of L CD panel and hinges Disconnect the integr ated camer a connect or in the direction shown by the arr ow 1 . Remove the screws 2 . Then lift the L CD panel in the dir ection shown by the arr ow 3 . 2 2 2 2 2 2 3 1 Step Screw (quantity) Color T orque 1 M2 × 3 mm, at-head, nylon-coated (6) Black 1.6 kgfcm When installing: Make su[...]

Removal steps of L CD cable P eel off the adhesive tape and detach the connector . 6 7 When installing: Make sur e that the connector is attached rmly . 2040 Antenna assembly F or access, remove these FRUs in or der: • “1010 Battery pack” on page 43 • “1020 Bottom slot cover” on page 44 • “1080 Keyboard” on page 51 • “1090 [...]

Release the ant enna cables from the cable guides of the L CD r ear cover assembly and fr om the hinges in the direction shown by the arr ows 2 . 2 2 Cable routing: Route the antenna cables along the cable guides and secure the ant enna boards with tapes. As you rout e the cables, make sure that they ar e not subject to any t ension. T ension could[...]

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Chapter 8. L ocations This chapt er intr oduces the locations of the computer hardwar e components. F ront view 1 2 4 5 6 7 13 14 15 4 16 12 8 9 10 11 3 Figure 1. L enovo B575e front view 1 Integr ated camer a (on some models) 9 Microphone jack 2 Wireless antennas (on some models) 10 Headphone jack 3 Status indicators 1 11 Media car d reader slot 4[...]

Bottom view 1 2 3 8 6 5 9 10 4 7 Figure 2. L enovo B575e bott om view 1 Battery latch (manual) 6 F an louvers 2 Battery pack 7 VGA port 3 Batt ery latch (spring-loaded) 8 HDMI port (on some models) 4 Security keyhole 9 USB connector 5 ac power connector 10 Bottom slot cover 1 1 : The memory modules, har d disk drive, and wireless car ds are locat e[...]

Chapter 9. P arts list This chapter contains the following lists of the service parts. • “Overall” on page 82 • “L CD FRUs” on page 84 • “Keyboar d” on page 85 • “Miscellaneous parts” on page 88 • “ ac power adapters” on page 88 • “P ower cords” on page 88 Note: Each FRU is available for all types or models, unle[...]

Overall 15 14 13 12 10 11 c 1 2 3 4 6 5 a 7 b 8 9 T able 3. P arts list—Overall No. FRU (Overall) FRU no. 1 L CD unit (see “L CD FRUs” on page 84) 2 LB57 LED BO ARD W/C ABLE 31048995 3 LB575B Upper Case W/TP 90201316 4 Batt ery, 2200mA 6cell, 48Wh 3S2P Sanyo L09S6Y02 3S2P 48Wh bty(LH)Comm01 121001091 4 Batt ery, 2200mA 6cell, 48Wh 3S2P Sanyo [...]

T able 3. Parts list—Overall (continued) No. FRU (Overall) FRU no. 4 Batt ery, 2200mA 6cell, 48Wh 3S2P SMP/L G L09M6Y02 3S2P 48Wh bty(LH)Comm01 121001094 4 Batt ery, 2200mA 6cell, 48Wh 3S2P SMP/L G L09M6Y02 3S2P 48Wh bty(LH)Comm01 + EU lable 121500091 4 Batt ery, 2200mA 6cell, 48Wh 3S2P Celx/S L10C6Y02 3S2P 48Wh bty(LH)Comm01 121001071 5 LB575B U[...]

T able 3. Parts list—Overall (continued) No. FRU (Overall) FRU no. 12 RAM, DDRIII 1600 4GB, Samsung, M471B5273DH0-CK0 DDR3 1600 4GB 11200341 12 RAM, DDRIII 1600 4GB, Hynix, HMT351S6CFR8C-PB DDR3 1600 4GB 11200344 12 RAM, DDRIII 1600 4GB, Ramax el, RMT3160ED58E9W-1600 DDR3 1600 4GB 11200393 13 LB575B MB UMA E-300 1.3G W/U3/HDMI 90000553 13 LB575B [...]

T able 4. Parts list - L CD No. FRU FRU no. 1 LB575B L CD bez el with camer a hole 90201314 1 LB575B LCD be zel without camera hole 90201315 2 LB57L L CD hinge L&R 6K.4VECS.001 90200228 3 LA48 camera 1M56.18011.462/07.962/06.362 90200517 3 LB48 camer a 0.3M 56.18011.472 90000224 4 LB57L L CD Cover W/Ant enna 60.4VE02.001 90200229 4 LB575B L CD [...]

T able 5. P arts list - Keyboard (Dafon) (continued) Language FRU no. Kor ean 25204621 Latin 25204619 P ortuguese 25204618 Russian 25204623 Slovenian 25204636 Swiss 25204637 Spanish 25204615 Thai 25204617 T raditional Chinese 25204622 T urkish 25204616 U.K. English 25204613 U.S. English 25204612 U.S. English (International, with a Euro symbol) 2520[...]

T able 6. P arts list - Keyboard (Sunre x) (continued) Language FRU no. Spanish 25204645 Slovenian 25204666 Thai 25204647 T raditional Chinese 25204652 T urkish 25204646 U.K. English 25204643 U.S. English 25204642 U.S. English (International, with a Euro symbol) 25204668 T able 7. Parts list - K eyboard (Chicony) Language FRU no. Arabic 25204597 Be[...]

T able 7. P arts list - Keyboard (Chicony) (continued) Language FRU no. U.K. English 25204583 U.S. English 25204582 U.S. English (International, with a Euro symbol) 25204608 Miscellaneous parts T able 8. Parts list - Miscellaneous parts FRU FRU no. (a) LB575B ODD br acket 90201312 (b) LA57 ODD bezel assembly tr ay in Rambo 31048981 (c) LA57 HDD br [...]

T able 11. Parts list - 3-pin power cords (Linetek) (continued) Country or region FRU no. CE • LINETEK LP -34+H03VV-F + LS15 1 m 145000585 China • LINETEK PC323+RVV300/300+LS15 1 m 145000600 Denmark • LINETEK LS15+H03VV-F+LP -38 1 m 145000598 Indian • LINETEK PE-361+ H05VV-F+ LS15 1 m 145000592 Israel • LINETEK LS15+H03VV-F+LP -41 1 m 145[...]

T able 12. Parts list - 3-pin power cords (L ongwell) (continued) Country or region FRU no. China • Longwell LSG-31+RVV300/300+LS-18 1 m 145000568 Denmark • Longwell LP -40+H03VV-F+LS-18 1 m 145000566 Indian • Longwell LP -67+BIS+LS-18 1 m 145000560 Israel • Longwell LP -41+H03VV-F+LS-18 1 m 145000563 Italy • Longwell LP -22+H03VV-F+LS-18[...]

T able 13. Parts list - 3-pin power cords (V olex) (continued) Country or region FRU no. Denmark • VOLEX MP233D+H03VV -F+V AC5S 1 m 145000534 Indian • VOLEX IA6A3+IS694+V A C5S 1 m 145000536 Israel • VOLEX SI16S3+H03VV -F+V AC5S 1 m 145000526 Italy • VOLEX IT10S3+HO3VV -F+V AC5S 1 m 145000535 Japan • VOLEX V A C5S+VCTF+M755 1 m 145000530 [...]

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Appendix A. Notices Lenovo may not offer the pr oducts, services, or features discussed in this document in all countries. Consult your local Lenovo repr esentative for information on the pr oducts and services currently available in your area. Any refer ence t o a L enovo product, pr ogram, or service is not intended to stat e or imply that only t[...]

Electronic emissions notices F or electr onic emission information on Class B digital devices, r efer to the corr esponding information in the User Guide . T rademarks The following t erms ar e trademarks of L enovo in the United States, other countries or both: Lenovo OneKey Windows is a tr ademark of the Micr osoft gr oup of companies. Intel is a[...]

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Part Number: Printed in China (1P) P/N: *1P*[...]