Philips-MCD-716-Service-Manual(1) 电路图 维修手册.pdf

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1、Version 1. 1 MCD716 ServiceManual DVD Micro System Published by DB 0946 Service Audio Printed in The Netherlands Subject to modification Copyright 2006 Philips Consumer Electronics B.V. Eindhoven, The Netherlands All rights reserved. No part of this publication may be reproduced, stored in a r etrie

2、val system or transmitted, in any form or by any means, electronic, mechanical, pho tocopying, or otherwise without the prior permission of Philips. CLASS 1 LASER PRODUCT 3141 785 32301 Location of PCBS . 1-1 Specifications. 1-2 Measurement Setup . 1-3 Service Aids, Safety Instruction, etc. . 1-4 In

3、structions On CD Playability . 1-5 to 1-6 Software Version Check & Upgrade. 2-1 Malfuction Check Chart . 2-2 Disassembly Diagram. 3-1 Block Diagram . 4-1 Wiring Diagram. 4-2 Display Board .5 Tuner Board.6 Remote Receive And Volume Board .7 Aux And USB Board .8 Headphone And Lamp Board.9 Scart And Am

4、p front lamp Board. 10 Power Board. 11 Decode Board . 12 Explode View. 13 Service Partlist . 14 Factory Partlist . 15 TABLE OF CONTENTS RadioFans.CN 收音机爱 好者资料库 SCART BOARD VOLUME BOARD AUX BOARDLAMP BOARD HEADPHONE BOARD REMOTE CONTROL BOARDTUNER BOARD DECODER/MCU BOARD POWER BOARD DISPLAY BOARD LOC

5、ATION OF PCBS 1-1 VERSION VARIATIONS: Type /Versions: Features Board in used: MCD716 Service policy * TIPS : C - Component Lever Repair. M - Module Lever Repair - Used /1289/ Feature diffrence RDS SCART ECO STANDBY - DARK C M M M M M M M M Type /Versions: MCD716 /1289/ C C M /58 /58 DISPLAY BOARD TU

6、NER BOARD HEADPHONE BOARD USB BOARD POWER BOARD DECODE BOARD SCART BOARDC C M M M C C C RadioFans.CN 收音机爱 好者资料库 Amplifier Rated output power .2 x 50W RMS Frequency response .20 - 20000Hz, - 3dB Signal to noise ratio . 65dB Aux input. 1V RMS 20kohm Disc Laser type. Semiconductor Disc diameter. 12cm/8

7、cm Video decoding .MPEG-1 / MPEG-2 / Divx Video DAC. 12Bits Signal system. PAL / NTSC Video format . 4:3 / 16:9 Video S/N. 48dB Audio DAC . 24Bits / 96kHz Total harmonic distortion. 65dBA Tuner FM tuning range . 87.5 - 108MHz Tuning grid .50KHz Sensitivity Mono, 26dB S/N ratio. 50uV Stereo, 46dB S/N

8、 ratio . 100uV Selectivity. 28dB Image rejection. 25dB Total harmonic distortion. 55dBA Speakers Speaker impedance . 4 ohm Speaker driver, base .5” Speaker driver, tweeter .0.2” Frequency response . 60 - 20000 Hz General information Total output power. 2 x 75W RMS AC power. 220V - 230V, 50Hz / 60Hz

9、Operation power consumption . 55W Standby power consumption . 7W Eco standby power consumption. 1W Composite video output.1.0Vp-p, 75ohm Coaxial output. 0.5Vpp 0.1Vpp 75ohm Headphone output .2 X 15mW, 32ohm USB direct . Version 1.1 Dimensions Main unit (W x H x D). . 240 x 160 x 230mm Speaker box (W

10、 x H x D). . 160 x 270 x 220mm Weight With packing . 15kg Main unit.5.15kg Speaker box.3.15kg Specifications subject to change without prior notice 1-2 SPESIFICATION RadioFans.CN 收音机爱 好者资料库 1-3 LF Generator e.g. PM5110 Recorder Use Universal Test Cassette CrO2SBC419 4822 397 30069 LEVEL METER e.g. S

11、ennheiser UPM550 with FF-filter S/N and distortion mete e.g. Sound Technology ST170 L R DUT or Universal Test Cassette FeSBC420 4822 397 30071 LEVEL METER e.g. Sennheiser UPM550 with FF-filter S/N and distortion meter e.g. Sound Technology ST1700B L R DUT CD Use Audio Signal Disc (replaces test disc

12、 3) SBC429 4822 397 30184 Bandpass 250Hz-15kHz e.g. 7122 707 48001 LF Voltmeter e.g. PM2534 DUT S/N and distortion meter e.g. Sound Technology ST1700B Frame aerial e.g. 7122 707 89001 Tuner AM (MW,LW) To avoid atmospheric interference all AM-measurements have to be carried out in a Faradays cage. Us

13、e a bandpass filter (or at least a high pass filter with 250Hz) to eliminate hum (50Hz, 100Hz). RF Generator e.g. PM5326 Ri=50? Bandpass 250Hz-15kHz e.g. 7122 707 48001 LF Voltmeter e.g. PM2534 DUT RF Generator e.g. PM5326 S/N and distortion meter e.g. Sound Technology ST1700B Use a bandpass filter

14、to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz). Ri=50? Tuner FM MEASUREMENT SETUP 1-4 SERVICE AIDS GBWARNING All ICs and many other semi-conductors are susceptible to electrostatic discharges (ESD). Careless handling during repair can reduce life drastically. When r

15、epairing, make sure that you are connected with the same potential as the mass of the set via a wrist wrap with resistance. Keep components and tools also at this potential. ESD CLASS 1 LASER PRODUCT GB Safety regulations require that the set be restored to its original condition and that parts whic

16、h are identical with those specified, be used Safety components are marked by the symbol !. Lead free Set remains closed! N Y Play a CD for at least 10 minutes Y playability ok ? N playability ok ? add Info for customer SET OK check playability N Y playability ok ? check playability check playabilit

17、y return set Customer complaint CD related problem fast lens cleaning 1 2 3 For flap loaders (= access to CD drive possible) cleaning method 4 is recommended INSTRUCTIONS ON CD PLAYABILITY 1-? Exchange CDM 1- 4 For description - see following pages 1 PLAYABILITY CHECK For sets which are compatible w

18、ith CD-RW discs use CD-RW Printed Audio Disc.7104 099 96611 TR 3 (Fingerprint) TR 8 (600 Black dot) maximum at 01:00 playback of these two tracks without audible disturbance playing time for: Fingerprint ?10seconds Black dot from 00:50 to 01:10 jump forward/backward (search) within a reasonable time

19、 For all other sets use CD-DA SBC 444A.4822 397 30245 TR 14 (600 Black dot) maximum at 01:15 TR 19 (Fingerprint) TR 10 (1000 wedge) playback of all these tracks without audible disturbance playing time for: 1000 wedge ?10seconds Fingerprint ?10seconds Black dot from 01:05 to 01:25 jump forward/backw

20、ard (search) within a reasonable time 2 CUSTOMER INFORMATION It is proposed to add an addendum sheet to the set which informs the customer that the set has been checked carefully - but no fault was found. The problem was obviously caused by a scratched, dirty or copy-protected CD. In case problems r

21、emain, the customer is requested to contact the workshop directly. The lens cleaning (method 3) should be mentioned in the addendum sheet. The final wording in national language as well as the printing is under responsibility of the Regional Service Organizations. 4 LIQUID LENS CLEANING Because the

22、material of the lens is synthetic and coated with a special anti-reflectivity layer, cleaning must be done with a non-aggressive cleaning fluid. It is advised to use “Cleaning Solvent The actuator is a very precise mechanical component and may not be damaged in order to guarantee its full function.

23、Clean the lens gently (dont press too hard) with a soft and clean cotton bud moistened with the special lens cleaner. The direction of cleaning must be in the way as indicated in the picture below. Before touching the lens it is advised to clean the surface of the lens by blowing clean air over it.

24、This to avoid that little particles make scratches on the lens. INSTRUCTIONS ON CD PLAYABILITY 1-? ? ? ? ? ? 2-2 MALFUCTION CHECK CHART 2-2 No No Yes No Yes DVD display no image Check video wire and video socket is good or bad Check and change video wire and socket decoder card is broken VFD display

25、 no show Check voltage of filaments for power board is good or bad Check the legs of filaments whether have been short of earth capacitor Power board is broken Change capacitor Check VFD screen is good or bad Change VFD screen Check cable is good or bad Change cable Yes Yes ? ? WIRING DIAGRAM ? ? ?

26、? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

27、? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

28、? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? VFD BOARD - LAYOUT DIAGRAM 5-25-2 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

29、? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

30、? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 109WS NOITCUF 1 2 1021NC P2 209R K5 . 1 MER 1 NG D 2 ccV 3 1S ETOMER 1 2 3 4 5 105NC P5 109R 001 409R K01 109DEL DNG MME ER R V5+ 209C P401 109C FU001 V21 1YEK NG D YBDNATS 309R K01 G 1 B 2 A 3 103REDOCNE REDOCNE ROT-A1ROT-A1 ROT-B1 GND REMOTE

31、RECEIVE AND VOLUMN BOARD 7-17-1 101R K1 301R 001K 201R K1 401R 001K 1 3 2 002J P2-ACR L-XUA R-XUA 201C P001 101C P001 1 2 3 101NC 5 . 2 /P4 1 2 3 4 1041NC subv 1 -D 2 + +D 3 DNG 4 d l e i hS 5 DNG 6 1041J BSU u-DNG +D -D subv AUX BOARD USB BOARD AUX AND USB BOARD 8-18-1 1 2 3 4 0001NC 0 . 2 /NIP4 A0

32、001J 1153KC C0001J 1153KC B0001J 1153KC 01_DNGA 01_OR 01_OL ETUM-PH 12 4011DEL 12 3011DEL 12 1011DEL 12 0011DEL 12 1021DEL 12 0021DEL 019R 086 219R 086 709R 086 609R 086 409R 086 509R 086 1 2 902NC HEADPHONE BOARD LAMP BOARD HEADPHONE AND LAMP BOARD 9-19-1 1 2 1001NC P2 101R K1 12V GND 101DEL V8-V5

33、. 7=PSA9 : 61 V21=PSA3 : 4 V3=S/VBGR V0=S/VOEDIV LM RM B V21PSA G R BGR 1BVC DNG 6021R 001 7021R 001 5021R K01 4021R K01 12 TUOHC-R. 1 NIHC-R. 2 TUOHC-L. 3 DNGOIDUA. 4 DNGEULB. 5 NIHC-L. 6 EULB. 7 V21 . 8 DNGNEERG. 9 KCOLC. 01 NEERG. 11 ETOMER. 21 DNGDER. 31 DNGETOMER. 41 DER. 51 SF. 61 DNGOEDIV. 71

34、 DNGSF. 81 TUOOEDIV. 91 NIOEDIV. 02 DNG 1021J ) IUHAUH(101-TRACS DNG R G B 1BVC redoceddvdmorF 1 2 3 4 5 6 7 8 9 01 1021NC P51 BGR LM RM V21PSA DNG SCART BOARD AMP FRONT LAMP SCART AND AMP FRONT LAMP BOARD 10-110-1 POWER BOARD - CIRCUIT DIAGRAM - PART1 11-111-1 POWER BOARD - CIRCUIT DIAGRAM - PART2

35、11-211-2 POWER BOARD - LAYOUT DIAGRAM - TOP VIEW 11-311-3 POWER BOARD - LAYOUT DIAGRAM - BOTTOM VIEW 11-411-4 t iucr iCTESER L9831fo34NIPotresolctsum4C NO/DVD V5MF NO/DVD #TSRU #TSRU V5MF #TSRU NO/DVD V52V52_CCV CCVNUT_CCV V52 V5MF CCV SV5+ VV5+ 33VFR 33VD 3V3_L98 33V 33VD V5A 6021/BF1BF 5L BF Y1 9R

36、 K1 46BC Fu1.0 2BC Fu1.0 +5EC v61/Fu022 676R M1/CN 96BC Fu1.0 Y6 +08EC V61/Fu022 2H DNG/ELOH 2 3 4 5 9 8 7 6 1 2 3 4 5 9 8 7 6 1 166R K02 B3060R Y7 731R K01 03Q 4093 2 13 63L A3_Hu74 5BC Fu1.0 +11EC V61/Fu01 K3.3431R 8U1051PA 21 3 4 5 TUOVNIV GND FB SD K72331R 466C Fu10.0 Fu1.014C 1D 8414N1 12 2L 006/BF 86BC Fu1.0 BF23L +44EC V61/Fu022 +18EC V61/Fu022 PID/BF53L K1051R BF33L K01831R +7