Philips-MCM-233-Service-Manual(1) 电路图 维修手册.pdf

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1、Version 1.2 MCM233 3141 785 34892 Sleek micro music system -/12/55/79/78/98 Published by LX 1042 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 retrieval

2、 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 dia

3、gram .3-2 Main board Circuit diagram .4-1.4-2 Layout diagram.4-3.4-4 Key board Circuit diagram .5-1 Layout diagram.5-2 Exploded view diagram .8-1 Revision list.9-1 LCD board Circuit diagram .6-1 Layout diagram.6-2 Headphone board Circuit diagram .7-1 Layout diagram.7-2 RadioFans.CN 收音机爱 好者资料库 Ampli?

4、er Total output power 2 x 10 W RMS Frequency response80 Hz - 16 kHz, 3 dB Signal to noise ra o 60 dB MP3 link input 0.5 V RMS 20 k Disc Laser typeSemiconductor Disc diameter12 cm /8 cm Support discCD-DA, CD-R, CD- RW, MP3-CD, WMA- CD Audio DAC24 Bits / 44.1 kHz Total harmonic distor on 55 dBA Tuner

5、TuningrangeFM: 87.5 - 108 MHz Tuninggrid50 KHz Number of presets20 Speakers Speaker impedance 2 x 10 W, 6 General informa on AC power100-240V, 50/60HZ Opera on Power Consump on 15 W Standby Power Consump on 1 W Eco Power Standby Power Consump on 0.8 W USB DirectVersion 2.0/1.1 Dimensions - Main Unit

6、 (W x H x D) 565 x 245 x 104 mm Weight - Main Unit2.7 kg TECHNICAL SPECIFICATION 1 - 2 Type /Versions: Features Board in used: MCM233 Service policy KEY BOARD LCD BOARD * TIPS : C - Component Lever Repair. M - Module Lever Repair - Used Feature diffrence RDS 3-33-3 1)Romove the 12pcs screws(BT3x12)

7、on the side cabinet to discharge the rear cabinet and place it well; 2)Remove the FFC cable on IPOD BD from Main BD,1st get remote control lens out, then remove the 4pcs screws (PA 2.3x8) which fix IPOD BD to discharge IPOD BD; 3)Remove all cables on Main BD; PS: Get your hand to the Main BD as clos

8、e as possible when you unplug the cables to avoid destroying cables; 4)Remove the 4pcs screws(PT 3x8) on Main BD rip off the black paper from FCC cable on CD deck discharge Main BD and place it well;4)Remove the 4pcs screws(PT 3x8) on Main BD, rip off the black paper from FCC cable on CD deck, disch

9、arge Main BD and place it well; IPOD cable Display BD cable Motor Cable Open button FFC cable to CD deck IPOD Assembly IPOD cable DC cable Display BD cable Motor Cable 2P cable to right SPK Open button FFC cable to CD deck IPOD Assembly IPOD cable Remote Control DC cable Display BD cable Motor Cable

10、 2P cable to left SPK 2P cable to right SPK Open button 6P Deck cable FFC cable to CD deck pic1 pic2 pic3 pic4 IPOD Assembly IPOD cable Remote Control DC cable Display BD cable Motor Cable 2P cable to left SPK 2P cable to right SPK Open button 6P Deck cable FFC cable to CD deck pic1 pic2 pic3 pic4 5

11、)Remove the 4pcs screws(PT3x8) on CD deck, please add some soldering on the weld protect point and keep it in a ant-static bag; 6)Remove the 4pcs screws(PA 2.3x8 ) on Display BD, discharge Display BD and paste protect film on it and place it well; 7)Draw the CD door with your right hand,press one bu

12、ckle with your left hand(pic 7-1),then press the other buckle(pic 7-2),discharge CD door and place it well; IPOD Assembly IPOD cable Remote Control DC cable Display BD cable Motor Cable 2P cable to left SPK 2P cable to right SPK Open button 6P Deck cable FFC cable to CD deck pic1 pic2 pic3 pic4 IPOD

13、 Assembly IPOD cable Remote Control DC cable Display BD cable Motor Cable 2P cable to left SPK 2P cable to right SPK Open button 6P Deck cable FFC cable to CD deck bkl pic1 pic2 pic3 pic4 IPOD Assembly IPOD cable Remote Control DC cable Display BD cable Motor Cable 2P cable to left SPK 2P cable to r

14、ight SPK Open button 6P Deck cable FFC cable to CD deck protect weld point buckle buckle pic1 pic2 pic3 pic4 IPOD Assembly IPOD cable Remote Control DC cable Display BD cable Motor Cable 2P cable to left SPK 2P cable to right SPK Open button 6P Deck cable FFC cable to CD deck protect weld point buck

15、le buckle pic1 pic2 pic3 pic4 pic5pic6pic71pic72pic73 4 - 14 - 1 CIRCUIT DIAGRAM - MAIN BOARD PART 1 4 - 24 - 2 CIRCUIT DIAGARM - MAIN BOARD PART 2 LAYOUT DIAGARM - MAIN BOARD COMPONENT SIDE VIEW 4 - 34 - 3 LAYOUT DIAGARM - MAIN BOARD COPPER SIDE VIEW 4 - 44 - 4 CIRCUIT DIAGRAM - KEY BOARD 5 - 15 -

16、1 LAYOUT DIAGARM - KEY BOARD 5 - 25 - 2 CIRCUIT DIAGARM - LCD BOARD 6 -16 - 1 LAYOUT DIAGRAM - LCD BOARD 6 - 26 - 2 CIRCUIT DIAGARM - HEADPHONE BOARD 7 - 17 - 1 JACK BOARD NO Headphone 0 YES Headphone 1 J501 HP JACK 1 2 3 4 USB501 USB L R G J502 AUX JACK C513 220/10 C506 102 C517 102 C514 220/10 R50

17、8 15K C503 225 R501 15K C509225 R51022K R503 15K R511 22K R509 15K 1OUT1 2IN1- 3IN1+ 4GND5IN2+ 6IN2- 7OUT2 8VCC IC501 ETK4800 C510 220P C505 220P C511 104 C515 100/10 R532 100K C564 100/10 Q504 C8050 R533 22K 1 2 3 4 5 6 7 8 9 10 CN502 TO main BD Q502 C8050 R536 22K R535 22K R534 1K Q503 8550 D501 I

18、N4148 R537 22K 1 2 3 4 5 6 CN501 L513 0 L5140 L515 0 L516 0 L510 0 L511 0 L512 0 C518 102 C519 102 R513 22K R505 22K R515 22K R512 22K L501 0 L504 0 L506 0 L505 0 L509 0 C563 100/10 C565 104 HP_LCH HP_RCH VDD VDD HP_DET AUX_LCH GND AUX_RCH MUTE GND VDD OUT_L OUT_R LAYOUT DIAGARM - HEADPHONE BOARD 7

19、- 27 - 2 EXPLODED VIEW DIAGRAM 8 - 18 - 1 CDT B4 C FP K1 B5 P TO1 LCD601 LBC LL B10 MGN MP MG MD B7 B1 RI B6 TO2 B9 CG CM B8 K3 RC RF SB B2 REVISION LIST V * Initial Release V * Add /55 Version 1.0 (3141 785 34890) Version 1.1 (3141 785 34891) 9-1 V * Add /78 Version 1.2 (3141 785 34892) V * Add /98 Version 1.3 (3141 785 34893)