Philips-MCM-704-D-Service-Manual(1) 电路图 维修手册.pdf
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1、Version 1.1 MCM704D 3141 785 31780 DVD Micro theatre all versions Published by LX 0719 Service Audio Subject to modification Copyright 2007 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
2、 transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips. Handling chip components .1-1 Leadfree and safety information .1-2 Technical specification .2-1 Service tools .2-1 Service measurement setup .2-2 Connections and con
3、trols .3-1.3-3 Software version check and upgrading .4-1 Block diagram .5-1 Wiring diagram .6-1 VFD Board circuit diagram .7-1 layout diagram .7-2 Tuner Board circuit diagram .8-1 layout diagram .8-2 AMP Board circuit diagram .9-1.9-2 layout diagram .9-3 CPU Board circuit diagram. .10-1 layout diagr
4、am .10-2.10-3 Exploded view diagram .11-1 Service partslist .12-1 Commercial partslist TABLE OF CONTENTS RadioFans.CN 收音机爱 好者资料库 1 - 1 RadioFans.CN 收音机爱 好者资料库 1 - 2 RadioFans.CN 收音机爱 好者资料库 2 - 1 TECHNICAL SPECIFICATIONS 2 - 2 SERVICE MEASUREMENT Bandpass 250Hz-15kHz e.g. 7122 707 48001 LF Voltmeter
5、e.g. PM2534 DUT RF Generator e.g. PM5326 S/N and distortion meter e.g. Sound Technology ST1700B Tuner FW Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz). Ri=50 Bandpass 250Hz-15kHz e.g. 7122 707 48001 LF Voltmeter e.g. PM2534 DUT S/N and distort
6、ion 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 250kHz) to eliminate hum (50Hz, 100Hz). RF Generator e
7、.g. PM5326 Ri=50 L R LEVEL METER e.g. Sennheiser UPM550 with FF-filter S/N and distortion meter e.g. Sound Technology ST1700B DUT CDRECORDER Use Audio Signal Disc SBC429 4822 397 30184 (replaces test disc 3) Use Universal Test Cassette Fe SBC420 4822 397 30071 L R LEVEL METER e.g. Sennheiser UPM550
8、with FF-filter S/N and distortion meter e.g. Sound Technology ST1700B DUT LF Generator e.g. PM5110 Ri=50 3 - 1 CONNECTION AND CONTROLS 3 - 2 CONNECTION AND CONTROLS 3 - 3 CONNECTION AND CONTROLS 4 - 14 - 1 SOFTWARE VERSION CHECK AND UPGRADING SET BLOCK DIAGRAM 5 - 15 - 1 6 - 1 6 - 1 SET WIRING DIAGR
9、AM 7 - 17 - 1 CIRCUIT DIAGRAM - VFD BOARD SW1 1 SW2 2 SW3 3 SW4 4 DOUT 5 DIN 6 IC 7 CLK 8 STB 9 KEY1 10 KEY2 11 KEY3 12 KEY4 13 Vdd 14 S1/KS1 15 S2/KS2 16 S3/KS3 17 S4/KS4 18 S5/KS5 19 S6/KS6 20 S7/KS7 21 S8/KS8 22 S9/KS9 23 S10/KS10 24 S11/KS11 25 S12/KS12 26 S13 27 S14 28 S15 29 S16 30 S17/G12 31
10、S18/G11 32 Vdd 33 VEE 34 S19/G10 35 S20/G9 36 G8 37 G7 38 G6 39 G5 40 G4 41 G3 42 G2 43 G1 44 Vdd 45 LED5 46 LED4(BBE) 47 LED3(POWER) 48 LED2(FANCT) 49 LED1(7507RST) 50 Vss 51 OSC 52 IC701 uPD16311 R702 47K R705 33K R70633K R70733K R70833K K4 K3 K2 K1 D7024148 D7014148 STB1 CLK DATA S1 S2 S3 S4 S5 S
11、6 S7 S8 S9 S1 S2 S3 S4 S5 S6 S7 KS2 -24V +5V S1 S2 C702 104 R703 2.2/0.5 C704 104 VF2 REM 1 GND 2 Vcc 3 S701 REMOTE SW701 TACT(STBY) REM V-GND +5V VF1 1 VF1 2 S3 3 S2 4 S1 5 S15 6 S16 7 S4 8 S5 9 S6 10 S7 11 G2 12 G3 13 G4 14 G1 15 G5 16 NC 17 G9 18 G6 19 G7 20 G8 21 S8 22 S9 23 S10 24 S11 25 S14 26
12、 S13 27 S17 28 S18 29 S19 30 S12 31 VF2 32 VF2 33 VFD701 NE-1300CD-3.G S10 S11 S12 S13 S14 S15 S16 S17 S18 G10 G1 G2 G3 G4 G5 G6 G7 G8 G9 S10 S11 S12 S13 S14 S18 G5 G6 G7 G4 G3 G9 G8 S8 S9 G2 G1 G10 1 2 3 4 5 6 CN704 2.0/6P STB1 DATA CLK V-GND REM +5V 1 2 3 CN701 2.0/3P -24V VF2 VF1 1 2 3 4 5 6 CN70
13、3 2.0/5P K1 K2 K3 K4 D7034148 S3KS3 R704 2.2/0.5 KS3 C701 47uF R701 4K7 R709 10K R710 10K S16 S17 R712 0 +5V-2 -SKIP 1 SEARCK 2 +SKIP 3 COM 4 SEARCH 5 PLAY/PAUSE 6 SW706 4SW KEY1-1 KEY2-1 KEY3-1 KEY4-1 1 2 3 4 5 CN1401 2.0/5P KS2-1 KEY4-2 KEY3-2 KEY2-2 KEY1-2 KS3-2 1 2 3 4 5 6 CN1501 2.0/5P SW1503 T
14、(STOP) SW1502 T(PLAY) SW1501 T(FUNC) SW1504 T(OP/CL) KEY1-2 KEY2-2 KEY3-2 KEY4-2 K1 K2 K3 K4 1 2 3 4 5 6 CN702 2.0/5P KS2 PRE MEM REP NEXT +5V MCD-7 MCD-14 MCD-15 S15 gnd GND All parts comply with supplier environment note? protect material regulated by green envionment management tolerance RES10?CA
15、P20? special parts noted beside parts 7 - 27 - 2 LAYOUT DIAGRAM - VFD BOARD RIPPLE 1 AM-RF 2 FM-RF 3 RF-GND1 4 FM-OSC 5 AM-OSC 6 Vcc1 7 TUNE 8 VCO 9 AF-OUT 10 MPX-IN 11 LPF 12 MUTE 13 LEFT 14 RIGHT 15 PILFIL 16 IF-GND 17 FMDEM 18 AFC- 19 AFC+ 20 FSI 21 VCC2 22 VDD 23 MO/ST 24 XTAL 25 DGND 26 CLOCK 2
16、7 P1 31 P0 30 WRITE-EN 29 DATA 28 FM-IF2-IN 33 AM-AFC 32 FM-IF1-IN 37 AM-IF2 36 FM-IF2 35 VSTABB 34 VSTABA 38 FM-MIXOUT 39 AM-MIXOUT 40 AM-IF1-IN 41 RF-GND2 42 FM-IN 43 AGC 44 IC1 TEA5757 C4 104 C10 100uF VCC1 R11 56K RV1 100K C22 224 C26 474 C27 474 R27 2K2 C28 1uF C30 2.2uF C31 15pFC32 470n C7 104
17、 VCC2 VDD X1 75K R14 150K C14102 C1512P R22470 R21 470 R18 22K C19 222 C17 221 C18 221 P0 P1 R15 0 C16 221 R23 470 1 2 3 4 CN1 4P R4 120 R3 120 C34 223 VCC1 C24 224 C25 224 R7 330 R25 47K R24 47K DZ1 BZX384-C11 R35 22 C23 224 R33 5K6 Q3 BC547B R30 220 C33 82pF C29 1uF VDD VCC2 R29 820 R28 820 C40 15
18、3 C39 153 1 3 2 CF1 10.7M 1 3 2 CF2 10.7M R1 20K 1 2 34 6 T3 11845/20591 1 2 34 6 T2 11845/20591 1 2 34 6 T1 11844/44023 1 2 34 6 T5 44108 C2 104 C1 10uF 1 2 34 6 T7 511BE/43462 3 2 16 4 5 T4 A9452/20382 R8 5.6K C13 331 C3 47pF R20 22k R26 47 C36 22pF C38 2p2 C37 561 R10 220 D2 BAS316 C11 33pF CV2 1
19、0P C21 1uF R36 33K Q4 BC857C C12 33pF R19 22K R13 1K C20 222 MPX MPX VCC1 ST/NO ENABLE DATA CLOCK VCC RIGHT LEFT SGND FM RFGND 4 FM ANT 3 AM RFGND 2 AM ANT 1 JACK1 TUNER1 C8 104 RDS ONLY BUFFER AMPLIFIER 22n-USA 22n-USA DISCRIMINATOR BIRDY FILTER 7.8V 11V 8.2V 1 2 3 4 5 CN2 5P R37 0 R38 0 R39 0 D5 B
20、B804 D4 BB804 D1 BAV99 L1 5T5 C5 33pF L3 4T5 C9 2pF L2 3T5 C6 7pF CV1 10pF C35 47pF D3 I348 R2 47K C41 473 T109 Q1 9014 Q2 9014 R12 4.7K R16 4.7K R6 1M R9 100 R17 1K R31 1K VCC C42 100uF C43 224 C44 224 R5 1M T141 T142 R34 000 R32 000 R40 000 1 2 CN3 2P T128 T116 8 - 1 CIRCUIT DIAGARM - TUENR BOARD
21、8 - 1 LAYOUT DIAGARM - TUNER BOARD 8 - 28 - 2 SDA SCL R135 1K R132 1K AUX1-L AUX1-R AUX2-R AUX2-L MUTE MUTE +12V C109 22uF C111 1uF C112 1uF C1402.2uF C1342.2uF C135 2.2uF C136 2.2uF C137 2.2uF C1382.2uF C1392.2uF C107 47uF R127 8K2 R126 8K2 C129104 C125104 C120104 C116 104 R120 330 C131104(M) C1281
22、04(M) C118 272 C114 272 DDGND R139 15 1/4W C1232.2uF C1322.2uF 1 G1 2 3 4 G2 5 6 J103 RCA-407 VF1 VF2 VF12_0V DDGND 23V EMC-GND AGND TU-R CD-L CD-R 10V+ SCL 10V- SDA VF1 VF2 -28V DDGND +5V STANDBY +12V TU-L MUTE F103 F2AL250V STANDBY C163 100uF/35V -28V ROT-B ROT-A ZD1073V0 R149 10K R150 2.2K R151 2
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