Philips CDR795 manuale d’uso

For servicing CDR79x the set has to be divided into two parts: 1. Except for the CD-R/W module all workshops can repair the set on component level. The Switched Mode Power Supply unit will be exchanged completely in case of a failure. 2. The CD-R/W module can only be repaired on component level with the help of ComPair. With this tool diagnosing of[...]

1-1 TECHNICAL SPECIFICA TION General: Mains voltage : 220V-240V / 50-60Hz for /00 100V-240V /50-60Hz for /01 120V / 60Hz for /17 Power consumption : ≤ 20W ≤ 0,6W in stand by Input / Output: Analog in: input sensitivity : ≤ 250mV rms max. input voltage : 2,8V rms input impedance : 47k Ω Analog out: output level : 2V rms ±2dB output impedanc[...]

1-2 SYSTEM CODE RC KEY y COMMAND CODE CD 20 26 12 CDR CD Standby 20 20 63 TIMER REC 26 26 90 CDR 26 26 63 1 20 26 01 2 20 26 02 3 20 26 03 4 20 26 04 5 20 26 05 6 20 26 06 7 20 26 07 8 20 26 08 9 20 26 09 TRACK INCR. 26 26 1 14 0 20 26 00 PROGRAM 20 26 36 ALBUM - 20 26 11 3 11 5 ALBUM + 20 26 1 12 PLA Y 20 26 53 ¡ 2 9 20 26 33 ™ 20 26 32 S[...]

1-3 NTC CDR "MOZART" BO ARD SWITCHED MODE PO WER SUPPL Y INTERF A CE BO ARD LIGHTGUIDE BO ARD DISPLA Y BO ARD K E Y B O A R D Location of boards, CDR79x, 100102 HEADPHONE BO ARD CD MODULE CD-R/W MODULE LOCA TION OF PRINTED BO ARDS picture 1[...]

2-1 © WARNING All ICs and many other semiconductors are susceptible to electrostatic discharges (ESD). Careless handling during repair can reduce life drastically. When repairing, make sure that you are connected with the same potential as the mass of the set via a wristband with resistance. Keep components and tools at this potential. f ATTENTION[...]

3-1 1 y ST ANDBY·ON switches the unit on/to standby 2 / OPEN/CLOSE opens/closes the CD play er dr a wer 3 CD play er dr a wer 4 display 5 CD RECORDER CD recorder drawer blue light on: CD recorder is selected red light on: recording in progress 6 / OPEN/CLOSE opens/closes the CD recorder drawer 7 PHONES/LEVEL adjusts the headphone volume 8 PHONES/L[...]

3-2 BRIEF OPERA TING INSTRUCTIONS Connections 1 OPTICAL IN connect to the digital optical output of an external digital nal digital appliance 2 OPTICAL OUT connect to the digital optical input of an external digital appliance 3 DIGIT AL IN connect to the digital coaxial output of an external digital appliance 4 DIGIT AL OUT connect to the digital c[...]

3-3 BRIEF OPERA TING INSTRUCTIONS Direct digital optical connection This connection is required for direct recording from any digital audio equipment with a digital optical output (e.g. CD player or D VD play er). 1 Remove the dust caps from the digital optical input of the CD player/recorder and from the digital optical output of the external appl[...]

4-1 DISMANTLING INSTRUCTIONS Dismantling the Top Cover picture 2 • Remove 7 (9) screws as shown in picture 2. • Raise top cover at the rear and pull it backwards. remark: in some production batches the top cover may be fixed with 5 screws at the rear side. Dismantling the Tray Covers To dismantle the ornamental cover, the tray has to be moved o[...]

4-2 DISMANTLING INSTRUCTIONS Dismantling the Front Cabinet picture 9 • Remove top cover and ornamental covers from the trays first → see description above and on page 4-1. • Move trays back to closed position. • Loosen 2 screws as shown in picture 9. • Remove adhesive tape from cable 8016 and take cable to Headphone Board out of its guidi[...]

4-3 DISMANTLING INSTRUCTIONS Dismantling the Front Cabinet continued picture 12 picture 10 picture 11 • Pull front cabinet forwards. As the lug fits very tight in the bottom it is recommended to make use of a screwdriver (see picture 11). • Place front cabinet as shown in picture 12.[...]

4-4 DISMANTLING INSTRUCTIONS • For proper mounting it is necessary that the pins on the front side (see picture 14) are put into the feed holes on the front cabinet ( see picture 15). • Move the module frontwards until the guiding pins at the rear slip into the holes on the bottom. • Fix the module with 2 screws at the rear (see picture 13). [...]

4-5 DISMANTLING INSTRUCTIONS Dismantling the CDR module • Remove top cover and ornamental cover from the tray first → see description on pages 4-1 and 4-2. • move tray back to closed position. • to dismantle the complete module: - loosen 3 screws to bottom cabinet (see picture 16 1 ) - disengage catches (see picture 17 2 ) - move module bac[...]

4-6 DISMANTLING INSTRUCTIONS Dismantling the CDR module continued • to dismantle the Loader module: - move tray completely out. - loosen 4 screws to frame as shown in picture 18. attention: flex wire to Mozart Board is too short for simple fetching the loader out. It is advised either to dismantle the complete module as described on page 4-5 and [...]

4-7 DISMANTLING INSTRUCTIONS Dismantling the Power board • Remove top cover first → see description on page 4-1. • Loosen 3 screws as indicated in picture 20. • Move the board backwards to release the mains socket. • Lift it on the rear and turn it out. picture 20 ! ! Attention: to fulfil safety requirements after repair it is absolutely [...]

4-8 Dismantling the Interface Board • Remove top cover first → see description on page 4-1. • Loosen 2 screws from the board and 4 screws from sockets at the rear plate. • Move the Interface board backwards to release the sockets and turn it out (if necessary disengage cable guide). • place the Interface board to a proper service position[...]

SER VICE HINTS 5-1 SER VICE T OOLS TORX T10 screwdriver with shaftlength 150mm ......................................4822 395 50423 TORX screwdriver set SBC 163 ..............................................................4822 295 50145 Audio signal disc SBC 429 ......................................................................4822 397 30184 P[...]

5-2 SER VICE HINTS General Service position For measurements on: Power Board Intrface Board For manual release of: CD tray CDR tray Service position Front Board For dismantling instructions see chapter 4-1 to 4-3 picture 24 picture 25[...]

5-3 SER VICE HINTS Service position CD Module picture 27 picture 26 picture 28 For dismantling instructions see chapter 4-4.[...]

5-4 picture 29 Service position MOZART Board (Back-end) picture 30 picture 31 SER VICE HINTS For dismantling instructions see chapter 4-6. Service position CDR Module For dismantling instructions see chapter 4-5. component side copper side[...]

5-5 SER VICE HINTS Service position Power Board picture 32 For dismantling instructions of the top cover see chapter 4-1. All important measurements can be carried out from the component side without any further dismantling. Service position Interface Board picture 33 For dismantling instructions of the top cover see chapter 4-1. Component side is [...]

5-6 SER VICE HINTS Personal Notes:[...]

5-7 5-7 N Y KEY TEST Display shows Numbers acc. table 2 are indicated as long as a button is held depressed. If a button is pressed on the Remote Control KEY RC is shown and the ; flag flashes. CD ALBUM - button pressed? CD STOP button pressed? N Y 10 SHUFFLE INPUT ALBUM - (CDR) PLAY/PAUSE (CD) SPEED STOP (CDR) 19 20 21 PLAY/PAUSE (CDR) RECORD KEY [...]

5-8 5-8 CDR DC-ERASE MODE SERVICE TESTPROGRAM CDR MODULE DC-ERASE finished? N Y BURN IN MODE CDR MODULE Display shows: HH BI RE FE DC-ERASE MODE starts. Record complete disc from analog source with normal speed. Display shows: HH BI RE FE Complete disc recorded? N Y Error detected? N Y Finalize disc with double speed. Display shows: HH BI RE FE HH?[...]

5-9 5-9 SERVICE TESTPROGRAM CD MODULE CDR79x CD servtest, 240402 OPEN/CLOSE button pressed? N Y N Y CD PLAY button pressed? N Y CD MECHANICAL TEST SLIDE TEST FOCUS TEST TRAY TEST TURNTABLE TEST Display shows: SLIDE for visual inspection only OPEN/CLOSE button pressed? N Y Y N Y N Slide moves continuously in/out. Display shows: CD ME TEST Display sh[...]

6-1 6-1 1307 1310 17 1304 51 1303 71 1309 15 7324F 74L VU04D +IC 1314B DIG IN 7312 OPT . IN 1315B +F +12V -F -30V +5V +5V +5V EVER +F -F -30V +5V EVER +12V +5V +IC V_AMP1+ -12V 0054 16 V_AMP1- HP_L HP_R ANA IN_R ANA OUT_L EBU IN COAX ANA OUT_R ANA IN_L -12V +12V LM833D V_AMP1+ V_AMP1- 1315A 1314A DIGIT AL OUT 7324E 74L VU04D +IC 7324A-D 5300 7320 7[...]

6-2 6-2 MOZAR T IC CORE SUPPL Y I/O SUPPL Y SUPPL Y SUPPL Y PLL OSC JT A G/BDM SDRAM 2MB 1MB FLASH CONTROL ADRESS D ATA CONTROL EBUIN2 I2S 1 IN/OUT /2 74L V74D MCF5248 7100 7101 7000 7004 DC/DC 7201 DAC A DC OP AMP circuitry Potmeter ANALOG SWITCH 3 I2S 2 I2S 3 3 7312 7301 7401 7402 7311 7300 16 20 8 3 DC/DC 6204 GND DC/DC DC/DC DC/DC DC/DC 7202 72[...]

6-3 6-3 5 6 3 4 2 8 7 RAB 1802 RESET SDA SPDIF GND 1 GND Communication CD10 with CDR Module- µ P Digital Audio SICL SILD SPEEDSEL Low = 4x speed Low = 2x speed High = 1x speed High amplification (4x speed) Low amplification (1x and 2x speed) CDR Version VAM2201, VAM2202, VAM2204 7802 7803 V5 EQSEL 62 12 1805 6 7 8 9 2 3 4 5 1 NC NC 38 RESET SPEEDS[...]

6-4 6-4 D207 Q202 BLOCK DIA GRAM SWITCHED MODE PO WER SUPPL Y / European & USA version (/00 & /17) CN101 MAINS SOCKET F101 T2A Lightning Protection L101, L102 EMI-filter T102 6,8V 22V +5V EVER ov er v oltage protection Q151 PC151 PC102 switch on/off regulation regulation IC251 D251 D252 Q152 R152 C105 C251 D201 D206 C206 CON1 1 12 ON/OFF +5[...]

6-5 6-5 LED_red FFC SIDE ENTRY EH TOP ENTRY EH SIDE ENTRY DIPMA TE BOARD to BOARD JQ FFC TOP ENTRY LEGEND PH TOP ENTRY PH SIDE ENTRY XH SIDE ENTRY FLASH TOP ENTRY FFC TOP ENTRY CABLE 1 to n 1mm PITCH FFC SIDE ENTRY 1mm PITCH 1203 +F -F -30V +5V ever ON/OFF +12V +12V GND GND +5V +5V -12V 11 2 CON1 GND CD10 SDA CD10 SICL CD10 RAB CD10 SILD Reset CD10[...]

7-1 7-1 -30,7V -29,2V -29,9V 4,8 ± 0,45V floating 4,5/0V 5 ± 0,25V 5 ± 0,25V 12 +0,6 / -1,2 V -11,5 +1,5 / -1,1 V -29,3 ± 2,2V typ.-25V typ.-20V 300V 300V 5V 5V 5V 4V 5V 4V 12V -12V -32V -20V -25V 2,5V 2,5V 1,2V 0V 4,5V 300V 1,9V 1,9V 0,1V 16,5V -0,3V 0,2V 0,2V 1,1V 1,1V 6V 1,1V . . . V DC VOL T AGES MEASURED IN STOP MODE UNLESS ST A TED OTHERW[...]

7-2 7-2 1427 F1 1 1428 I10 1429 F12 1432 H10 1433 I10 1434 F13 1435 F13 1436 G10 1438 F10 1439 G10 1441 G10 2410 E10 241 1 D1 1 2412 E1 1 56 7 I2C_Data DISPLA Y BO ARD GND IR EYE 8 9 10 11 12 13 14 3424 H8 3425 H6 3426 G7 1422 G1 1 1423 G1 1 1424 G1 1 1425 H10 1426 H10 E F G I2C_CLK GND EEPROM 2400 H4 2401 H4 2404 F10 2405 F1 1 2406 D10 2407 D9 240[...]

7-3 7-3 3103 303 3483.2 2002-02-01 1400 B6 1413 A5 1414 C1 1 1415 A16 1416 B1 1417 A13 1418 A10 1422 A1 1423 A2 1424 A3 1425 A1 1 1426 A12 1427 A3 1428 A15 1429 A16 1432 A13 1433 A14 1434 A16 1435 A15 1436 A9 1438 A6 1439 A7 1441 A8 2413 C4 2414 C10 2415 A8 2418 A1 1 3474 B10 3495 C9 3496 C9 3516 A1 1 5400 B8 6400 B10 6434 B8 7402 C7 7403 C4 9401 A[...]

7-4 7-4 REC DISPLA Y GRID ASSIGNMENT 1p 30 29 2d 2d 2a - 28 27 1f 1b 1m 1c 1e 1r 13 12 11 1g 1n 2f 2f 2b 2b 1d - 2h 2j 2k 2k 2a 1g 1f 1b 1m 1c 1e 1r 1n 1d 1p 6 5 44 45 46 47 48 49 50 51 G8 G7 G6 G5 G4 G3 G2 G1 2d 2d LINE 2d - B1 2r 2r OPT 2r FINALIZE B4 2e 2e 2e B5 2c 2c 2c B6 2g 2g 2g B7 2m 2m 2m - B8 2f 2f 2X 2f W B9 2b 2b 1X 2b R B10 2k 2k 8X 2k[...]

7-5 7-5 3553 A3 3554 A4 3555 C2 3556 C4 3557 C2 3558 C3 6450 B2 6451 B4 7450 C3 7451 C4 F470 B1 F471 B1 F472 A1 F473 A1 F474 A1 F475 A1 KEY BO ARD ST ANDBY SPEED (key lighting) to / from Display Board 1416 12 3 4 12 34 A B C A B C 1450 A3 0060 A1 1451 A2 1452 A3 1453 A4 1454 A4 3550 A2 3551 A2 3552 A3 390R 3555 3557 10K D KEY 3556 82R 1453 PLA Y/P [...]

7-6 7-6 ADC CLOCK CONTROL ADC DIGIT AL INTERF ACE DECIMA TION FIL TER DC-CANCEL FIL TER IR DRIVER t 789 1 0 LEFEL SHIFT * CDR79x only UL_Speedselect 1315-A C12 1315-B G1 1316 B6 2300 A1 1 2302 B4 F G H I EBU_OUTENGINE/GND D -12V * 2304 C3 2305 B1 1 2306 B10 2308 B8 2309 B8 2310 C10 231 1 C10 GND ANALOG OUT 12 34 56 2328 G12 2329 H1 1 2330 F1 1 2331[...]

7-7 7-7 3103 303 3484.2 2002-02-01 15 68 2 1 2 71 6 2 11 3 15 1 1 1 3 1 4 2 1 1 25 15 3 3 64 6 3 17 1310 1309 1307 1308 0054 9319 9302 2321 2324 2314 2329 2322 9320 9312 9304 3309 1304 1306 1305 1303 9310 9315 9317 9316 2304 7321 1301 2302 1316 9303 9308 9305 6300 6301 2318 2319 2315 2327 2312 2306 2310 9301 9318 3351 3307 1302 9309 931 1 9313 FA N[...]

7-8 7-8 F514 B8 F515 A8 F516 A8 F517 A8 F518 A8 F519 E9 F520 E9 3509 C6 351 1 C3 3514 C4 3515 D5 7500-B C4 9502 B9 F500 B2 F501 B2 F502 B3 F503 C3 F504 B3 F505 C3 F506 A4 F507 B4 F508 B5 F509 C5 F510 C5 F51 1 A5 F512 C7 F513 A7 HEADPHONE connection to bracket 2502 B5 2505 B4 2506 C6 2507 B8 2508 C5 2509 C3 2510 C3 251 1 C9 2512 C9 2513 D9 3500 A4 3[...]

8-1 TABLE OF CONTENTS Abbreviations ....................................................................8-2 Blockdiagram ....................................................................8-3 Component Layout CD Board ...........................................8-4 Circuit Diagram .................................................................8-5[...]

8-2 8-2 Dismantling of T ray Service hints 1. Open the tray and release 2 catches as shown in fig. 2 2. Pull tray out. fig.2 Assembling of T ray 1. Check if slider is on the right side → see picture below. 2. If necessary - move slider to the right end position first. 3. Insert the Tray. Laser Power Control & HF Amplifier (ADALAS) TZA1024/TZA[...]

8-3 8-3 5 6 3 4 2 8 7 RAB 1802 RESET SDA SPDIF GND 1 GND Communication CD10 with CDR Module- µ P Digital Audio SICL SILD SPEEDSEL Low = 4x speed Low = 2x speed High = 1x speed High amplification (4x speed) Low amplification (1x and 2x speed) CDR Version VAM2201, VAM2202, VAM2204 7802 7803 V5 EQSEL 62 12 1805 6 7 8 9 2 3 4 5 1 NC NC 38 RESET SPEEDS[...]

8-4 8-4 T ra y Motor T ra y Switch 1831 1830 14 1 3 2 5 4 1832 1800 D4 1801 C1 1802 A5 1804 A4 1805 C6 1806 D1 1810 D5 1811 A4 1812 D1 1830 A1 1831 B1 1832 B1 1840 E6 2800 D5 2815 E3 2817 D3 2818 C4 2819 C4 2835 B5 2836 B5 2840 D6 2841 D5 2850 E3 2857 E1 2864 D2 2866 D6 2873 D5 2874 E6 2875 D6 3820 E3 3893 E2 3916 D2 6800 E2 6805 E2 7815 C1 7819 E2[...]

8-5 8-5 INTERF ACE VERSA TILE DEMOD EFM PLL DIG. ST A GES OUTPUT CONTROL MOT OR KILL INTERF . LOOPBACK SER. DA T A INTERF . VERSA T . INTERF ACE SER. DA T A BITSTREAM DA C TIMING INTERF ACE MICROCONTROLLER PROCESSOR AUDIO PROCESSING PRE- FUNCTION CONTROL SRAM ADDR INTERF . EBU DET . PEAK CORR. ERROR PROCESSOR SUBCODE END FRONT VREF GEN. ADC V/I V/I[...]

8-6 8-6 230 206 204 203 205 201 211 210 202 207 220 223 223 240 221 222 222 4x MECHANICAL PARTS ––––––––––––––––––––––––––––––––––––––––––––––––––––– 202 3103 304 71780 DRAWER 203 3103 304 71800 SLIDER 204 3103 304 71820 PULLEY GEARWHEEL 205 31[...]

10-1 10-1 CDR "MOZART" BO ARD CD MODULE NTC SWITCHED MODE PO WER SUPPL Y INTERF A CE BO ARD L IG H T G U ID E B O A R D DISPLA Y BOARD KEY BO ARD HEADPHONE BO ARD CD-R/W MODULE 121 131 132 204 200 202 205 224 318 385 312 1007 1005 P R O G R A M T R . I N C R . T I M E R R E C A L B U M A L B U M C D C D R D I S P L A Y S H U F F L E R E P[...]

MECHANICAL PARTSLIST CD LO ADER 10-2 10-2 MECHANICAL PARTS ––––––––––––––––––––––––––––––––––––––––––––––––––––– 121 3104 120 00290 WORDMARK PHILIPS 131 4822 462 11174 FOOT, SILVER 132 4822 462 42158 FOOT, BLACK 200 3103 308 12840 FRONT ASSY CD[...]

10-3 MISCELLANEOUS ––––––––––––––––––––––––––––––––––––––––––––––––––––– 1413 4822 265 11515 FFC-CONNECTOR, 8P, TOP ENTRY 1414 2422 025 16979 FFC-CONNECTOR 4P, SIDE ENTRY 1416 4822 265 11207 FFC-CONNECTOR, 6P, SIDE ENTRY 1417 4822 265 11207 FFC[...]

RESISTORS ––––––––––––––––––––––––––––––––––––––––––––––––––––– 3513 © 4822 051 30471 470 Ω 5% 0,06W 3516 ! 4822 052 10228 2,2 Ω 5% 0,33W 3517 © 4822 051 30472 4,7k Ω 5% 0,06W 3518 © 4822 051 30472 4,7k Ω 5% 0,06W 3519 © 4822 051 30[...]

ELECTRICAL PARTSLIST HEADPHONE BOARD MISCELLANEOUS ––––––––––––––––––––––––––––––––––––––––––––––––––––– 1500 4822 265 11207 FFC-CONNECTOR, 6P, SIDE ENTRY 1501 4822 267 31453 HEADPHONE SOCKET 6,3mm 1505 2422 128 03032 TACT SWITCH CAPACITORS –[...]

MISCELLANEOUS ––––––––––––––––––––––––––––––––––––––––––––––––––––– 1303 4822 267 10953 FFC-CONNECTOR, 7P, TOP ENTRY 1307 4822 265 10981 FFC-CONNECTOR, 15P, TOP ENTRY 1308 2422 025 14518 FFC-CONNECTOR, 9P, TOP ENTRY 1314 4822 267 31448 CINCH SO[...]

MISCELLANEOUS ––––––––––––––––––––––––––––––––––––––––––––––––––––– 1800 2422 025 12133 FFC-CONNECTOR, 16P, SIDE ENTRY 1802 2422 025 16833 FFC-CONNECTOR, 8P, SIDE ENTRY 1805 4822 265 11531 FFC-CONNECTOR, 9P, SIDE ENTRY 1832 2422 129 16655 LEAF [...]

ELECTRICAL PARTSLIST CD LO ADER 10-8 RESISTORS ––––––––––––––––––––––––––––––––––––––––––––––––––––– 3883 © 4822 051 30103 10k Ω 5% 0,06W 3884 © 4822 051 30102 1k Ω 5% 0,06W 3885 © 4822 051 30102 1k Ω 5% 0,06W 3886 © 4822 051 30102 1k[...]