Philips-CEM-2000-X-Service-Manual 电路图 维修手册.pdf

《Philips-CEM-2000-X-Service-Manual 电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《Philips-CEM-2000-X-Service-Manual 电路图 维修手册.pdf（22页珍藏版）》请在收音机爱好者资料库上搜索。

1、Version 1.0 CEM2000/00/55 3141 785 35130 Car entertainment system CEM2000X/78 Published by LX 1017 Service Audio Subject to modification Copyright 2010 Philips Consumer Electronics B.V. Eindhoven, The Netherlands All rights reserved. No part of this publication may be reproduced, stored in a retriev

2、al system or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips. CONTENTS Technical specification .1-2 Service measurement setup.1-3 Service aids .1-4 Instructions on CD playability .2-1. 2-2 Block diagram .3-1 Wiring

3、diagram .4-1 Main board Circuit diagram .5-1.5-5 Layout diagram.5-6.5-7 Panel board Circuit diagram .6-1 Layout diagram.6-2.6-3 Servo board Circuit diagram.7-1 Layout diagram .7-2.7-3 Exploded view diagram .8-1 Revision list .9-1 RadioFans.CN 收音机爱 好者资料库 TECHNICAL SPECIFICATION 1 - 2 ? ? ? ? ? ? ? ?

4、? ? ? ? ? ? ? ? ? ? ? ? Radio ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? General inforamtion 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. Sennheiser UPM550 with FF-filter S/N and distortion mete e.g. Sound Technology ST17

5、0 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 3) SBC429 4822 397 30184 Bandpass 250Hz-15kHz e.g. 7122 707 48001 LF Voltmeter e.

6、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. Use a bandpass filter (or at least a high pass filter with 250Hz) to eliminate hum (

7、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 to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz).

8、Ri=50? Tuner FM MEASUREMENT SETUP RadioFans.CN 收音机爱 好者资料库 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 repairing, make sure that you are connected with the same p

9、otential 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 which are identical with those specified, be used Safety compo

10、nents 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 playability return set Customer complaint CD related problem fast le

11、ns cleaning 1 2 3 For flap loaders (= access to CD drive possible) cleaning method 4 is recommended INSTRUCTIONS ON CD PLAYABILITY 2 - 1 Exchange CDM 1- 4 For description - see following pages 1 PLAYABILITY CHECK For sets which are compatible with CD-RW discs use CD-RW Printed Audio Disc.7104 099 96

12、611 TR 3 (Fingerprint) TR 8 (600 Black dot) maximum at 01:00 playback of these two tracks without audible disturbance playing time for: Fingerprint10seconds Black dot from 00:50 to 01:10 jump forward/backward (search) within a reasonable time For all other sets use CD-DA SBC 444A.4822 397 30245 TR 1

13、4 (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 wedge10seconds Fingerprint10seconds Black dot from 01:05 to 01:25 jump forward/backward (search) within a reasonable time 2 CUSTOMER INFORMATION I

14、t 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 remain, the customer is requested to contact the workshop direc

15、tly. 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 material of the lens is synthetic and coated with a special an

16、ti-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. Clean the lens gently (dont press too hard) with a soft and cl

17、ean 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. This to avoid that little particles make scratches on the lens

18、. INSTRUCTIONS ON CD PLAYABILITY 2 - 2 SET BLOCK DIAGRAM 3 - 13 - 1 S5L8030 8M FLASH 1117-ADJ 4x16M SDRAM SA5888 MOTOR DRIVOE 4558 1117-3.3V AMP TDA7388 LINE OUT ANTISO RADIO TDA7703 4558 VOL IC 7313 7809 20Pin FFC MCU 22Pin Connector TO PANEL Wiring diagram SERVO Board Main Board 20Pin FFC +5V IC R

19、eset sw 5 - 15 - 1 CIRCUIT DIAGRAM - MAIN BOARD MCU PART 5 - 2 5 - 2 CIRCUIT DIAGRAM - MAIN BOARD Power PART CIRCUIT DIAGRAM - MAIN BOARD Radio PART 5 - 3 5 - 3 CIRCUIT DIAGRAM - MAIN BOARD Audio PART 1 5 - 45 - 4 CIRCUIT DIAGRAM - MAIN BOARD Audio PART 2 5 - 55 - 5 5 - 6 LAYOUT DIAGARM - MAIN BOARD

20、 TOP SIDE VIEW 5 - 6 LAYOUT DIAGARM - MAIN BOARD BOTTOM SIDE VIEW 5 - 75 - 7 CIRCUIT DIAGARM - PANEL BOARD 6 - 16 - 1 KEY2 KEY1 GND +5V REMOTE SYS_5V 2COLOR BT_LED LAMP_VCC ENCODER CE CLK DATA INH GND GND DO CLK CE OSC VSS VDD INH TRACK-UPTRACK-DN USB_5V USB_DN USB_UP AUX_R AUX_L GND ? ? ? ? ? ? ? ?

21、 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? SC75823 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? VOL- ? VOL+ ? EJ ? PRESET- ? PRESET + ? MENU ? DISP ? ? ? ? ? ? ? ?

22、 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?270 ? NC ? ? ? ? ? 390 ? ? ? ? ? ? 390 ? ? ? 390 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? POWER/MUTE ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? USBIN ? ? ? ? ? ? ?

23、R975 ? R976 ? R955390 R954 ? R956390 R957 ? R969 ? R970 ? R971390 R972? R967 ? R968 ? R973 ? R974 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? R979 ? R977 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

24、? ? ? ? ? ? ? ? ? ? ? ? ? ? LED17 ? R981 ? R980NC ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? S51 S55 S54 S53 S49 S50 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? S40 ?

25、? ? ? ? ? ? ? ? ? ? ? ? LAYOUT DIAGRAM - PANEL BOARD 6 - 2 6 - 2 CIRCUIT DIAGRAM - SERVO BOARD 7 - 1 7 - 1 LAYOUT DIAGRAM - SERVO BOARD TOP SIDE VIEW 7 - 27 - 2 LAYOUT DIAGRAM - SERVO BOARD BOTTOM SIDE VIEW 7 - 37 - 3 EXPLODED VIEW DIAGRAM 8 - 18 - 1 6501 6502 6503 6504 6505 ASS02 ASS05 CD01 PL01 9 - 1 Revision list Version1.0 ( 3141 785 35130) *Initial Release