Philips-DVD-728-729-Service-Manual(1) 电路图 维修手册.pdf

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1、Published by MW 0363 Service PaCEPrinted in the NetherlandsSubject to modificationEN 3122 785 13700 Copyright 2003 Philips Consumer Electronics B.V. Eindhoven, The Netherlands. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any for

2、m or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips. DVD-Video PlayerDVD728/729/731 DVD728-729 /001 /021 /051 DVD731 /001 CL 36532024_000.eps 210303 ContentsPage 1Technical Specs and Connection Facilities2 2Safety Instructions, Warnings, Note

3、s, 3 3Directions for Use4 4Mechanical- and Dismantling Instructions17 5Service Hints, Trouble Shooting, and Fault Finding20 6Wiring-, Block Diagrams Block Diagram27 Wiring Diagram28 Testpoint Overview MPEG Board29 7Electrical Diagrams and Print-LayoutsDiagram PWB Power Supply Unit30NA Display Board3

4、132 AV Board3333 SD5.4 MPEG Board: Index(Diagram M1) 3439 SD5.4 MPEG Board: RF Part(Diagram M2) 3539 SD5.4 MPEG Board: Servo Part(Diagram M3) 3639 SD5.4 MPEG Board: Memory 2. Maybe MT1379 is n ot work Signal F+&F- correct? Check the peripheral circuit of Motor driver Check the cable and circuit betw

5、een Loader and Motor driver (BA5954) NN Y Y N Y B CL 36532024_007.eps 210303 Service Hints, Trouble Shooting and Fault FindingEN 24DVD728-731 /0X15. 5.3.4No Sound Figure 5-4 No Sound B When read disc, Laser ON OK? N Signal LDO1andLDO2is normal? Voltageof TP22&TP24 OK? Check the circuit to connect LO

6、ADER OPU maybe damaged Check the peripheral circuit of MT1366 Check the peripheral circuit of two transistor (item 7620 & 7621) Check the peripheral circuit of two transistor (item 7620 & 7621) N N Y Y Load a disc? Y Laser off N Focus On ok? Y N SignalFEO (pin18ofMT1336) correct? Check the circuit f

7、rom Pin18 of MT1336 to Pin205 of MT1379 Check the circuit between Loader and MT1336 Check the peripheral circuit of MT1336 N N Y Y Anysignal onpinsABCDEF ofMT1366 Disc ID correct? Y N Check the circuit from Pin19 of MT1336 to Pin206 of MT1379 Check the peripheral circuit of MT1336 and itself. N Sign

8、alof Pin19(RFL)ofMT1336 normal? Y Spindle on OK?N Signal SP+&SP- correct? Check the connection between spindle driver and BA5945 Check BA5945 (motor driver) and its peripheral circuit N N Y Y DMSO (pin18ofMT1379) normal? Y Check MT1379 and its peripheral circuit. C CL 36532024_008.eps 210303 Service

9、 Hints, Trouble Shooting and Fault FindingEN 25DVD728-731 /0X15. 5.3.5No Digital Audio Out Figure 5-5 No Digital audio out C Track on OK?N SignaTRSO (pin13ofMT1379) normal? Check the connection between OPU and BA5945 Check the TRSO connection between MT1379 (pin13) and MT1336 (pin26) N N Y SignalTEO

10、 (pin21ofMT1336) normal? Check MT1336 and its peripheral circuit. Y Signal T+&T- normal? N Y Y Check MT1336 and its peripheral circuit. Disk is READY?Check RF SignalN Audio signal normal?N Outputsignalare correct? Check the circuit of filter, Amplify, and mute etc. Check Audio DAC and it s periperal

11、 circuit N N Y AudioDACreceive correctdata? Check connection between MT1379 and Audio DAC Y Y IR,VFD display and Key fuction ok? NN IR,PT6312 communicatewith MT1379OK? Check connection between MT1379 and PT6312 and its periperal circuit Y check Remote Contriol check KEY matrix Check connection of VF

12、D Y END Y CL 36532024_009.eps 210303 Service Hints, Trouble Shooting and Fault FindingEN 26DVD728-731 /0X15. PersonalNotes: Block and Wiring Diagram. 27DVD728-731 /0X16. 6.Block and Wiring Diagram. Block Diagram 7611 8 Mbit FLASH VIDEO/AUDIO OUTPUT CVBS/SCART/COAXIAL 7606 7603 7604 BLOCK DIAGRAM DVD

13、728 / DVD729 /DVD731 MPEG BOARD SD5.4 FRONT BOARD AV BOARD POWER SUPPLY UNIT DVD LOADER A97SL 1609 RF AMPLIFIER MT1336 7602 MOTOR DRIVER BA5954 MOTOR DRIVER BA6208 64 Mbit SDRAM 2-CH AUDIO DAC AKM4382 1610/1611 7615 MTK MT1379BE SERVO AND MPEG DECODER STBY BOARD RECEIVER KEYBOARD SLAVE PROCESSOR ( P

14、T6312 ) 7609 OPTICAL OUT OPEN/CLOSE BOARD 1712 CL 36532024_010.eps 240303 28DVD728-731 /0X16.Block and Wiring Diagram. Wiring Diagram LOADER DVD Loader A97SL 3141 018 0381 MPEG BOARD PBAS MONO SD5.4 3141 018 0410 POWER BOARD PSU CHEETAH 4 EURO NON-ECO 3122 429 0013 FRONT BOARD : Standby 3139 248 827

15、3 (C) FRONT BOARD : Front Display 3139 248 8273 (A) FRONT BOARD: Open/Close 3139 248 8273 (B) 1402 1405 1406 1622 1403 0203 0200 0201 1601 1401 1608 1712 1609 1613 5V SPDIF GND OPTICAL BOARD PCBAS AV DVD728/EU 3139 248 8272 1501 5V SPDIF GND 1 3 F- F+ T+ T- C D CD/DVD RF A B F GND -PD Vc VCC E NC VR

16、 -CD VR -DVD LD -CD MD HFM NC LD -DVD GND -LD GND GND 3 1 1 26 13 LOAD - LOAD+ TROUT TRIN SL+ SL - SP+ SP - 1 9 1 +5VL / STDBY 2 VSDA 3 VSCK 4 VSTB 5 GND 6 IR 7 P3.1 (500Hz) 1 STBY_DECT 2 GND STBY_DECT GND 1 1 D5V 2 GND 3 D5V 4 GND 5 +12V_IN 6 GND 7 -12V 8 STDBY 9 +5VL 10 GND 1 +5VL / STDBY 2 VSDA 3

17、 VS CK 4 VSTB 5 GND 6 IR 7 P3.1 (500Hz) 1 GND 2 +12VA 3 GND 4 +5V 5 VEE 1 GND 2 +12VA (+12VL) 3 GND 4 +5V (+5Vstby) 5 VEE ( -24V) D5V (+5VD) GND D5V (+5VD) GND +12_IN (+12VA) GND -12V ( -12VA) STDBY D5V (+5VL) GND 1 1 8 1108 3141 010 21741 10EH/08EH+04EH 190mm 1402 3141 010 21652 02EH/02SAN 80mm 140

18、1 3141 010 21662 07EH/07SAN 260mm 1403 3141 010 21451 05EH/05SAN 140mm 1406 3141 010 21442 02EH/02SAN 420mm S1 / K1 Key3 1 S1 / K1 Key3 1 1501 3141 010 21632 03EH/03SAN 6 0mm 1107 3141 010 21751 09PH/09PH 80mm CL 36532024_011.eps 240303 Block and Wiring Diagram. 29DVD728-731 /0X16. Test Point Overvi

19、ew MPEG Board SD5.42MPEGPCBLayout-Bottomview TP1 A5 TP3 A5 TP4 B4 TP5 A5 TP6 B4 TP7 B4 TP8 A5 TP9 B4 TP11 A5 TP12 B4 TP13 A5 TP14 A5 TP15 B5 TP16 B5 TP17 B4 TP18 B5 TP20 B4 TP21 A5 TP22 A4 TP23 B4 TP24 A4 TP25 A4 TP26 C2 TP27 A2 TP28 C2 TP29 D1 TP30 D2 TP31 D1 TP32 D2 TP33 B1 TP34 B1 TP35 B2 TP36 B1

20、 TP37 B2 TP38 D4 TP39 A2 TP40 A2 TP41 A2 TP42 A2 TP43 A2 TP44 A2 TP45 A2 TP46 A2 TP47 D6 TP48 D6 TP49 E6 TP50 A6 TP51 D6 TP52 B6 TP53 C6 TP54 D3 TP55 D2 TP56 B1 TP57 B2 CL 36532024_012.eps 240303 30DVD728-731 /0X17.Electrical Diagrams 7.Electrical Diagrams Power Supply Unit 5K1 123456789101112 12345

21、6789101112 A B C D E F G H A B C D E F G H 0100 A1 0125 B5 0200 D12 0201 A12 0202 B12 0203 B12 0206 B3 0208 F12 1110 A2 2110 B3 2111 B3 2116 B3 2117 B5 2118 B5 2119 B5 2120 C5 2129 E3 2130 D1 2131 D4 2132 E4 2133 F2 2135 F5 2136 E4 2139 G5 2190 A6 2200 F11 2210 D8 2212 C10 2213 C10 2215 D10 2216 D10

22、 2230 A10 2240 F7 2250 A7 2252 B10 2253 B10 2254 F10 2255 A10 2256 A10 2271 C7 2280 E7 2282 E10 2291 G6 2292 G6 2295 F6 3110 B2 3116 B3 3120 D4 3121 D4 3122 D5 3123 A5 3125 C4 3126 C4 3127 B4 3128 D2 3129 E2 3131 C1 3132 F3 3133 E3 3135 E5 3136 D5 3137 D5 3139 G5 3210 C9 3212 C9 3213 C10 3215 C8 321

23、6 D8 3240 F8 3242 F9 3250 B9 3251 B9 3253 B10 3254 F9 3255 G10 3256 G11 3257 G10 3258 A10 3259 F10 3271 C7 3282 E9 3285 E10 3290 H7 3291 H7 3292 G7 3293 G6 3294 G5 3295 F6 3296 G6 3297 F7 3298 F6 4134 D4 4135 F3 4210 B9 4211 D9 4250 A9 5115 A3 5116 A3 5130 B2 5190 A5 5212 B10 5215 D9 5230 A10 5250 B

24、10 5255 A10 5280 D9 6110 A4 6111 A4 6112 B4 6113 B4 6116 B4 6117 B4 6125 C4 6126 D2 6130 E4 6131 D4 6132 F2 6133 F2 6134 F3 6135 C2 6210 D7 6240 E7 6250 B8 6251 B8 6252 A7 6271 C7 6280 D7 7125 C4 7130 C2 7190 F5 7210 C9 7211 D9 7212 C9 7240 F8 7242 F8 7250 A8 7255 G9 7256 F10 7280 D9 7282 E8 7290 H6

25、 9200 F11 9215 D9 9250 A9 F101 A2 F102 A2 F103 B2 F104 B2 F118 A5 F119 A5 F120 B5 F121 B5 F122 C4 F123 C5 F124 B3 F125 B2 F200 A11 F201 A11 F202 B11 F203 C11 F204 D11 F205 F11 F206 F11 F207 F12 F208 F12 F210 B10 F211 B10 F215 D10 F216 D10 F217 D10 F230 A10 F231 A10 F240 E10 F241 E10 F250 B10 F251 B1

26、0 F255 A10 F256 A10 F257 A10 F280 D10 F281 D10 F290 F6 F291 G6 F292 G11 F295 C11 F296 C11 SI2302DS 6110 1N4006 1N4006GP 6135 3 2119 22u 5116 103YR25 12 4 STPS10L60D 6252 only for non eco 9250 F125 CHASSIS F208 CHASSIS 0208 F207 F230 F231 0203 EH-B 1 2 3 4 5 100K 3250 9215 4135 4210 3255 1K 4211 10u

27、5230 10K 3251 3285 F292 3116 220R 1K 2116 33nBZX79-C15 6116 BZX79-C15 6117 F296 22n 2213 F295 F205 F206 F204 F202 F203 F200 F201 F217 2282 22n 22n 2133 16 17 18 2 5 7 8 9 CT282D4 5190 10 11 12 13 14 15 0125 Heatsink 3294 220R 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 EH-B 0201 1 2 3 4 0202 EH-B F241 0200 EH-B F

28、240 F280 F281 F216 F211 F215 F257 F210 F256 F251 F255 F250 3256 10K 56K 3257 3254 7255 BC847B 2K2 3242 10K BC337-40 7240 BC857B 7242 10K 3282 7282 BC857B 7280 BC337-40 7250 5212 10u 10u 5280 6u8 5255 1N4006 6240 5250 6u8 BAV21 6280 2240 22u 6210 BYD33D 2280 100u 2250 1m 2210 220u 100p 2136 1K5 3137

29、0206 F123 F124 F122 F120 F121 F119F118 3123 1R F291 9200 F290 F104 2190 1n F103 F102 3297 F101 32903291 3K9 3 0100 VA 1 2 1K 2292 7290 TL431CZ 2 1 3292 220R 220n 3295 22R 2295 22n 3293 220R 2130 1n 3133 22K 3132 5K6 100n 2132 BAS316 6133 BZX79-C6V2 6132 2139 22n 3139 4K7 7190 TCET1102 2135 68p 3135

30、2K2 22u 2131 6130 BAV21 1N4006 6131 4134 3131 22K 5130 2u2 3122 1R OVP 6 VCC 13 3121 1R CT 5 DEMAG 3 DRIVE 12 FB 4 GND 10 HV 1 ISENSE 11 NC1 2 NC2 7 NC3 8 NC4 9 NC5 14 6125 7130 TY72011AP2 47K 3125 1N4148 3127 330R 3126 33R STP4NC60 7125 2120 100p 2110 100n 2111 1n HT 2.50A 250V 1110 6112 1N40061N40

31、06 6113 6111 1N4006 -24V +5VD +5VD +12VA -12VA STBY off2 off1 off2 off1 Not_STBY Not_STBY Not_STBY +5Vstby Not_STBY +12V +12V STBY +12VL +12VA +5VD +5VL Vreg1 +5VL +12VL +12VL +5Vstby HV HV DEMAG DEMAG Vreg1 -12VA -24V CL 26532024_013.eps 210303 FOR INFORMATION ONLY (NO SERVICE PARTS WILL BE AVAILAB

32、LE) FOR INFORMATION ONLY (NO SERVICE PARTS WILL BE AVAILABLE) Electrical Diagrams 31DVD728-731 /0X17. Front Display Board AA BB CC DD EE FF GG 12345678 12345678 G6 G5G4G3G2G1 P1P2P3P4P5P6P7P8P9P10 2402 100N 3411 4K7 3406 10K 1411 STOP 1412 PLAY 1413 PAUSE 3410 4K7 3409 4K7 3403 10K 3404 10K 2401 2N2

33、 3402 10K +5VSTBY F402 F403 F404 3407 47R 2403 4U7 GND VGL+1 VGL-1 F405 F426 1 2 3 7404 IR GND GND +5VSTBY GND GND +5V GND 6400 BAS316 GNDGNDGND 3401 33K +5VSTBY 3405 1K +5VSTBY 3416 100R 3415 100R VEE SW1 1 SW2 2 SW3 3 SW4 4 DOUT 5 DIN 6 Vss 7 CLK 8 STB 9 KEY1 10 KEY2 11 KEY3 12 KEY4 13 VDD 14 S1/K

34、1 15 S2/K2 16 S3/K3 17 S4/K4 18 S5/K5 19 S6/K6 20 Seg7 21 Seg8 22 Seg9 23 Seg10 24 Seg11 25 Seg12 26 S13/G10 28 S14/G9 29 S15/G8 30 S16/G7 31 VEE 27 G6 32 G5 33 G4 34 G3 35 G2 36 G1 37 VDD 38 LED4 39 LED3 40 LED2 41 LED1 42 Vss 43 OSC 44 LEDDriver Segments/Key ScanOutput GridsOutput Display Memory C

35、ommand Decoder TimingGenerator Input Register Interface Serial Data Key Matrix Output Seg/Key 7400 PT6312 P11P12 P13 P14 P15 G7 G1 G6 G5 G4 G3 G2 P14 P13 P12 P11 P10 P9 P8 P7 P6 P5 P4 P3 P2 P1 GND 3417 100R F401 G7 DATA CLK CS GND RC 1 2 3 4 5 1403 5PINS TOPSU TOMPEG GND +12VA +5V VEE GND F418 F421

36、* NP 3 F1 1 F1 2 P1 4 P2 5 P3 6 P4 7 P5 8 P6 9 P7 10 P8 11 P9 12 P10 13 P11 14 P12 15 P13 16 P14 17 NC 18 NC 19 NC 20 NC 21 NC 22 7G 23 6G 24 5G 25 4G 26 3G 27 2G 28 1G 29 NP 30 F2 31 F2 32 1400 VFD 3418 10R VEE +12VA 2409 33n 3423 330R 3424 330R GND -V_FIL 3421 470R 2411 100U 3420 330R 2412 22U GND

37、 3427 10K GND 3426 4K7 +5VSTBY 3425 4K7 7402 BC857B 7401 BC847B 7403 BC847B GND 3422 10K GND 6401 PDZ-6.2B -V_FIL 1KHZ 1KHZ GND 1KHZ 2415 1U GND 2414 100N GND VGL-1 1 2 3 4 5 6 7 1401 7PINS +5VSTBY +5VSTBY 3400 470R 6402 LED +5VGND 3428 470R VGL+1 3408 4K7 GND 1410 OPEN/CLOSE 6403 BAS316 1415 STANDB

38、Y P1 P2 P15 1 2 1402 1 2 1405 1 2 1406 GND ForUSversiononly 2416 100U FRONTDISPLAYD D 1400B5 1401B1 1402D2 1403E7 1405D1 1406E4 1410D1 1411D2 1412D2 1413E2 1415E4 2401B2 2402C2 2403C2 2409C6 2411D6 2412D5 2414C5 2415C6 2416D5 3400A3 3401A2 3402A2 3403B3 3404B3 3405C2 3406C2 3407C2 3409E2 3410E2 3411

39、E2 3415B2 3416B2 3417B2 3418B8 3420D5 3421D5 3422C5 3423C6 3424C6 3425D7 3426D7 3427D7 3428A3 6400D4 6401C5 6402A3 7400B3 7401D6 7402D6 7403D6 7404C1 BAREBOARD12NC313924830821 CL 36532024_014.eps 240303 32DVD728-731 /0X17.Electrical Diagrams Layout Display Board (Top Side) Layout Display Board (Bott

40、om Side) CL 36532024_015.eps 240303 1400 B1 1401 A5 1402 A6 1403 A5 1405 B6 1406 B6 1410 A6 1411 B5 1412 B5 1413 B4 1415 A7 2403 A3 2411 B6 2412 A1 2415 A2 2416 A1 6401 B6 6402 B3 7404 A3 9400 B1 9401 B1 9402 B1 9403 B1 9404 B1 9405 B1 9406 B1 9407 B1 9408 B1 9409 B2 9410 B2 9411 B2 9412 B2 9413 B2

41、9414 B2 9415 A2 9416 B2 9417 B2 9418 A3 9419 B3 9420 B3 9421 B5 9422 B3 9423 A5 9424 A5 9425 A5 9427 B3 CL 36532024_016.eps 210303 2401 A5 2402 A3 2409 A5 2414 A1 3400 A3 3401 A2 3402 A5 3403 A5 3404 A5 3405 A5 3406 A3 3407 A3 3408 B5 3409 B5 3410 B5 3411 B4 3415 A5 3416 A5 3417 A5 3418 B1 3420 B6 3

42、421 B6 3422 B6 3423 A5 3424 A5 3425 A5 3426 A5 3427 A5 3428 A2 3441 A1 3442 B1 3443 B1 3444 B1 3445 A2 3446 A2 3447 A1 3448 A3 3449 A3 3450 A3 3451 B5 3452 A3 3453 B3 3454 B3 3455 B5 3457 B5 3458 B5 3460 B5 3461 B5 3462 A5 3463 A5 3464 A5 3465 B5 3466 A6 3467 B5 6400 B2 6403 B4 7400 A2 7401 A5 7402

43、A5 7403 A5 F401 A5 F402 A5 F403 A5 F404 B5 F405 A5 F418 A5 F421 A6 F426 A2 Electrical Diagrams 33DVD728-731 /0X17. AV Board 1501 A1 2501 A1 1 2 3 1501 EH-3P 3501 33R 2502 47u 2501 100n GND 8 VCC 6 IN 7 NC 4 NC 5 1 2 3 7501 TOTX178 GND 5VD SPDIFOPT 2502 A1 3501 A1 7501 A1 BARE BOARD 12NC 3139 243 308

44、11 CL 36532024_023.eps 240303 Layout AV Board (Top Side) Layout AV Board (Bottom Side) 1501A12502A1 7501A1 CL 36532024_024.eps 240303 2501A13501A1 CL 36532024_025.eps 240303 34DVD728-731 /0X17.Electrical Diagrams SD5.4 MPEG Board: Index 1 2 3 456 123456 A A BB C C D D E E RVCC +5VL+5VL DV33 A_MUTE U

45、RST DV33 V25 +5VL RVCC AVCC GND AVCC V25 D5V URST +12V D5V -12V D5V GND +12V_IN GND -12V STDBY MUTE1 MUTE STDBY ASDAT3 VRST GND A_MUTE MUTE MUTE1 GND +12V_IN+12V STDBY 66031N4148 1 3744 4.7K 66221N4148 66231N4148 1 2601 1uF 1 3602 3K 1 2 34 5 6 7634 BC847BPN + 2800 100U F/16v A 1 3604100K 1 2605 0.1

46、uF + 2781 220uF /16v A 1 3714 1K 66211N4148 1 2603 0.1uF ADJ/G ND 1 OUT 2 IN 3 OUT 4 7601LD1117 1 2608 0.1uF + 2784 220uF /16v A 1 23 7617 3906 1 23 7633 BC858 1 3605 22K 1 2607 0.1uF 66241N4148 5602 FB 6605 1N4148 1 2606 0.1uF + 2786 220uF /16v A 6602 1N4148 1 2802 0.1uF 5603 FB,0805 1 23 7616 BC85

47、8 + 2785 220uF /16v A 1 36031k 1 3610 1K 1 2609 0.1uF 1 3607100K 5604 FB,0805 + 2778 100U F/16V A 1 23 7618 BC858 + 2783 220uF /16v A 1 3606 0 1 3609 R 1 3718 4.7K 66201N4148 + 2782 10uF /25v A 66011N4148 +2779 220U F/16V A 1 3611 10k +5VL RVCC AVCC DV33 GND GND GND GND GND GND GND GND DV33 GND SD33

48、 GND -12V GND GND +5VL DV33+12V A_MUTE URST DV33 V25 +5VL RVCC AVCC GND -12V MUTE1 MUTE +12V STDBY ASDAT3 VRST 5VLDigital5V NAMETYPEDEVICE SUPPLY MT1369E Flash,VideoDACDigital3.3V AV33 DV33 MT1369E Servo3.3V Audio12VAudiofilter Digital2.5V +12V V25 MT1336EServo5VRVCC PICKUP HEADERRF 5VAVCC DV33Digit

49、al3.3VMT1369E +5V8756D VCC5330 SD33SDRAMDigital3.3V Audio5V AudioAudio5V AudioDAC +5V8756AAudio5VAudioDAC VIDEO+5VVVIDEO 5V 1 11 LOWMUTE +5VL TP23 1 3747 10K 1 3748 750K 1 3749 100 OHM 1 3832 10 OHM 1 23 7636 BC847 1 23 7635 BC857 +2706 4.7U /16V D5V STBY_DECT 1 2 3 4 5 6 7 8 9 10 1601 6604 1n4002 TP26 TP55 TP28 TP29 TP30 TP31 TP32 1601 C2 3749 D5 2601 C5 3832 D5 2603 D