Philips-MCD-705-Service-Manual(1) 电路图 维修手册.pdf

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1、Version 1.0 MCD705 3141 785 30630 Service Manual DVD Micro System all versions Published by LX 0539 Service Audio Printed in The Netherlands Subject to modification Copyright 2005 Philips Consumer Electronics B.V. Eindhoven, The Netherlands All rights reserved. No part of this publication may be rep

2、roduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips. Handling chip components .1-1 Information about lead-free soldering.1-2 Technical specification.2-1 Service tools.2-1 Service

3、 measurement setup.2-2 Connections and controls.3-1.3-4 Disassembly diagram.4-1.4-2 Software version and upgrading.5-1 Set block diagram.5-2 Set wiring diagram.5-3 VFD BOARD circuit diagram .6-1 layout diagram.6-2 TUNER BOARD circuit diagram .7-1 layout diagram.7-2 layout diagram-amp box pcb assy.7-

4、2 AMP BOARD circuit diagram .8-1 layout diagram.8-2 CPU BOARD circuit diagram .9-1 layout diagram.9-2 ALC VOLUME BOARD circuit diagram .10-1 layout diagram.10-2 DVD MPEG BOARD circuit diagram.11-1.11-5 layout diagram.11-6 Exploded view diagram.12-1 Mechanical partslist.12-2 Electrical partslist.13-1

5、.13-3 TABLE OF CONTENTS CLASS 1 LASER PRODUCT RadioFans.CN 收音机爱 好者资料库 1 - 1 HANDLING CHIP COMPONENTS RadioFans.CN 收音机爱 好者资料库 1 - 2 INFORMATION ABOUT LEAD-FREE SOLDERING Philips CE is producing lead-free sets from 1.1.2005 onwards. IDENTIFICATION: Regardless of special logo (not always indicated) one

6、 must treat all sets from 1 Jan 2005 onwards, according next rules: Example S/N: Bottom line of typeplate gives a 14-digit S/N. Digit 5&6 is the year, digit 7&8 is the week number, so in this case 2005 wk12 So from 0501 onwards = from 1 Jan 2005 onwards Important note : In fact also products of year

7、 2004 must be treated in this way as long as you avoid mixing solder-alloys ( leaded/ lead -free). So best to always use SAC305 and the higher temperat ures belong to this. Due to lead-free technology some rules have to be respected by the workshop during a repair: Use only lead-free solder alloy Ph

8、ilips SAC305 with order code 0622 149 00106. If lead-free solder-paste is required, please contact the manufacturer of your solder-equipment. In general use of solder-paste within workshops should be avoided because paste is not easy to store and to handle. Use only adequate solder tools applicable

9、for lead-free solder alloy. The solder tool must be able o To reach at least a solder-temperature of 40 o To stabilize the adjusted temperature at the solder-tip o To exchange solder-tips for different applications. Adjust your solder tool so that a temperature around is reached and stabilized at th

10、e solder joint. Heating-time of the solder-joint should not exceed 4 sec. Avoid temperatures above 400 otherwise wear-out of tips will rise drastically and flux-fluid will be destroyed. To avoid wear-out of tips switch off un-used equipment, or reduce heat. Mix of lead-free solder alloy / parts with

11、 leaded solder alloy / parts is possible but PHILIPS recommends strongly to avoid mixed solder alloy types (leaded and lead-free). If one cannot avoid or does not know whether product is lead-free, clean carefully the solder-joint from old solder alloy and re-solder with new solder alloy (SAC305). U

12、se only original spare-parts listed in the Service-Manuals. Not listed standard-material (commodities) has to be purchased at external companies. Special information for BGA-ICs: - always use the 12nc-recognizable soldering temperature profile of the specific BGA (for de-soldering always use the lea

13、d-free temperature profile, in case of doubt) - lead free BGA-ICs will be delivered in so-called dry-packaging (sealed pack including a silica gel pack) to protect the IC against moisture. After opening, dependent of MSL-level seen on indicator-label in the bag, the BGA-IC possibly still has to be b

14、aked dry. (MSL=Moisture Sensitivity Level). This will be communicated via AYS-website. Do not re-use BGAs at all. For sets produced before 1.1.2005 (except products of 2004), containing leaded solder-alloy and components, all needed spare-parts will be available till the end of the service-period. F

15、or repair of such sets nothing changes. On our website www.atyourservice.ce.P you find more information to: BGA-de-/soldering (+ baking instructions) Heating-profiles of BGAs and other ICs used in Philips-sets You will find this and more technical information within the magazine, chapter workshop ne

16、ws. For additional questions please contact your local repair-helpdesk. SERVICE INSTRUCTION 1. Unplug the AC Power cord and connect a wire between the two pins of the AC Power plug. 2. Set the AC Power switch to the on position (keep the AC Power cord unplugged!). 3. Measure the resistance value bet

17、ween the pins of the AC Power plug and the metal shielding of the tuner or the aerial connection on the set. The reading should be larger than 4.5 Mohm (For U.S. it should be between 4.2 Mohm and 12 Mohm). 4. Switch off the set, and remove the wire between the two pins of the AC Power plug. Safety r

18、egulations require that after a repair, the set must be returned in its original condition. Pay in particular attention to the following points: Route the wire trees correctly and fix them with the mounted cable clamps. Check the insulation of the AC Power lead for external damage. Check the strain

19、relief of the AC Power cord for proper function. Check the electrical DC resistance between the AC Power Plug and the secondary side (only for sets which have a AC Power isolated power supply): Check the cabinet for defects, to avoid touching of any inner parts by the customer. RadioFans.CN 收音机爱 好者资

20、料库 2 - 1 TECHNICAL SPECIFICATIONS GENERAL Mains voltage-/93 -/93 : : Mains frequency 220V -/61 : 220V 50 Hz -/61:60 Hz Battery remote : 3 V (AAA x 2) Power consumptionnormal52 W Standby : 4 W Dimension (W x H x D): : 147 x 232 x 223 mm Weight (excluding packing and batteries) : 5.4 Kg AMPLIFIER Outp

21、ut powermains subwoofer mains subwoofer : : 5 x 20W 1 x 50W Speaker impedance: 5 x 8 ohm 1 x 4 ohm Frequency response : : 20 Hz - 20 kHz (3dB) TUNER - FM SECTION Tuning range: 87.5 - 108 MHz IF frequency: 10.7 MHz 0.02 MHz Sensitivity: 33 dB IF Rejection: 60 dB Image Rejection: 25dB Distortion : 12

22、dB :IF rejection: 24 dB Distortion : 20 dB DVD / MP3 / CD Laser Type : Semiconductor Disc Diameter : 12cm / 8cm Video Decoding : MPEG-2 / MPEG-1 Signal System : PAL / NTSC Video S/N : 53 dB (min.) Composite Video Output : 1.0 Vp-p, 75 S-Video Output : Y - 1.0 Vp-p, 75 C - 0.286 Vp-p, 75 Audio DAC :

23、24 Bits / 96 kHz Frequency Response : 20 Hz - 20 kHz Channel Unbalance : 2dB THD Noise : 0.5% No. of programmable tracks : 20 Signal-to-noise ratio : 70 dBA Channel separation : 40 dB (1 kHz) : 35 dB (16 kHz) : 30 dB (20 kHz) Total harmonic distortion : 0.02% (1 kHz) SERVICE TOOLS Audio signal disc

24、SBC 429.4822 397 30184 Playability test disc SBC 444.4822 397 30245 Test disc 5(disc without errors ) + Test disc 5A (disc with dropout errors, black spots and fingerprints) SBC 426/426A.4822 397 30096 Burn in test disc (65 min. 1kHz signal at -30 dB level without “pause”).4822 397 30155 anti-static

25、 table matlarge 1200 x650 x1.25mm 4822 466 10953 small 600 x650 x1.25m 4822 466 10958 anti-static wristband4822 395 10223 connection box (3 press stud connections, 1M) 4822 320 11307 extendible cable (2m, 2M, to connect wristband to connection box) 4822 320 11305 connecting cable (3m, 2M, to connect

26、 table mat to connection box) 4822 320 11306 earth cable (1M, to connect any product to mat or to connection box) 4822 320 11308 KIT ESD3 (combining all 6 prior products - small table mat) 4822 310 10671 wristband tester4822 344 13999 AVAILABLE ESD PROTECTION EQUIPMENT 2 - 2 SERVICE MEASUREMENT Band

27、pass 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 Tuner SW 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 f

28、ilter with 250Hz) to eliminate hum (50Hz, 100Hz). Ri=50 Aerial replacement Capacitor R=50 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 a

29、ll AM-measurements have to be carried out in a Faradays cage. RF Generator e.g. PM5326 Ri=50 Low pass filter 22kHz L R LEVEL METER e.g. Sennheiser UPM550 with FF-filter S/N and distortion meter e.g. Sound Technology ST1700B DUT CD Use Audio Signal Disc SBC429 4822 397 30184 (replaces test disc 3) L.

30、P.F. = 13 th order filter 4822 395 30204 3 - 1 CONNECTION AND CONTROLS 3 - 2 CONNECTION AND CONTROLS 3 - 3 CONNECTION AND CONTROLS 3 - 4 4 CONNECTION AND CONTROLS 4 - 14 - 1 A B1 B2 C1 C2 D1 D2D3 F G H I J A.Remove Bottom Cover A1.remove screws M2.5x4(8pcs) B*.remove screws M3x10(8pcs) and M3x8(3pcs

31、) C*.remove screws M3x8(4pcs) and T3x4(2pcs) E1 E2 E2 E1*M2.5x5 E2*M2.6x8 D.Remove Back Panel D*remove screws T3x4(5pcs)and M3x10(5pcs)and T3x8(1pc) E. Remove Top Cover G. Remove DVD Rom and then remove DVD Decoder Card Assy I.Remove VFD board assy H.Remove Slid Plank I.Remove Side metal Plate DISAS

32、SEMBLY DIAGRAM - DVD PART 4 - 24 - 2 A C B1 B2 D1 D2 D3 F G H I A.Remove Bottom Cover A1.remove screws M2.5x4(8pcs) B*.remove screws M3x10(6pcs) and T3x10(4pcs) C*.remove screws T3x4(5pcs) D.Remove Back Panel D*remove screws T3x4(4pcs)and T3x8(2pcs)and M3x10(6pcs) E. Remove Top Cover F. Remove AMP B

33、oard Assy E1 E2 E2 E1*M2.5x5 E2*M2.6x8 H.Remove AMP Front board assy G.Remove ALC Volume board assy I.Remove Side metal Plate DISASSEMBLY DIAGRAM - AMP PART 5 - 1 5 - 1 ? SOFTWARE VERSION AND UPGRADING 5 - 25 - 2 TDA8922B TDA8920B TDA8922B PT2322 9228 NE008 NE008 NE008 24C02 PT2323 TUNER BLOCK IC:TE

34、A5762 AUX2 AUX2 IN AUX1 AUX1 IN RED R OUT VIDEO V-OUT S-VIDEO S-V OUT COAXIAL OPTICAL GREEN GR OUT BLUE B OUT MEPG2 MTK1389 MECHANISM DVD STBY&MUTE CONTROL 4558 VFD PT16311 REM 1 GND 2 Vcc 3 S? REM-SENSOR CPU5V CPU5V CPU5V +Vs -Vs DVD5VDVD3.3V AC POWER TRANSFORMER STANDBY POWER CONTROL SWITCH7812+12

35、V +Vs-Vs SELENIUM SELENIUM FILTER FILTER AMP DVD CPU5V AMC2576 7805 DVD ON/OFF DVD POWER SWITCH CONTROL TUNER POWER CONTROL TUNER ON/OFF TUNER POWER TUNER IN AUX2 IN AUX1 IN DVD MR DVD ML D-FL D-FR SL SR CEN SW SW CEN SL SR FL FR FL FR SW CEN SL SR CPU +12V SDA SCL SL FL FR SR CEN SW KEY CONTROL SL

36、SR CEN SW FR FL STANDBY MUTE DVD5V SET BLOCK DIAGRAM 5 - 35 - 3 SET WIRING DIAGRAM 6 - 16 - 1 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

37、 S12/KS12 26 S13 27 S14 28 S15 29 S16 30 S17/G12 31 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 IC601 uPD16311 R602 47K R605 33K R60633K R60733K R60833K K4 K3 K2

38、 K1 D6024148 D6014148 STB1 CLK DATA S1 S2 S3 S4 S5 S6 S7 S8 S9 S1 S2 S3 S4 S5 S6 S7 KS2 -24V +5VS S1 S2 C602 104P R603 2.2/0.5 C604 104P C603 104P SW601 TACT(STBY) VF1 1 VF1 2 S1 3 S2 4 S3 5 S4 6 S5 7 S6 8 S7 9 S8 10 G1 11 G2 12 G3 13 G4 14 G5 15 G6 16 NC 17 NC 18 NC 19 NC 20 G7 21 G8 22 G9 23 G10 2

39、4 G11 25 G12 26 S9 27 S10 28 S11 29 S12 30 S13 31 S14 32 S15 33 S16 34 VF2 35 VF2 36 VFD701 NE-1300CD-3.G S10 S11 S12 S13 S14 S15 S16 G12 G11 G10 G1 G2 G3 G4 G5 G6 G7 G8 G9 G2 G3 G4 G5 G6 G7 G8 G9 S12 S11 G11 G10 S8 G1 S10 S9 G12 1 2 3 4 5 CN602 2.0/6P STB1 DATA CLK V-GND +5VS 1 2 3 CN601 2.0/3P -28

40、V VF2-1 VF1-1 D6034148 S3KS3 R604 2.2/0.5 C605 104P KS3 C601 47uF C607 334P C608 334P C609 334P C610 334P R601 4K7 R609 10K R610 10K K1 K2 K3 K4 KS2 +5VS SW608 TACT(CH-) SW606 TACT(CH+) SW604 TACT(PRE) SW602 TACT(NEXT) SW607 TACT(PLAY/PRESET) SW605 TACT(STOP/BAND) SW603 TACT(OPEN/CLOSE) KS2 K1 K2 K3

41、 K4 KS3 S13 S14 S15 S16 R613 1K LED601 STADBY CIRCUIT DIAGRAM - VFD BOARD 6 - 26 - 2 LAYOUT DIAGRAM - VFD BOARD 7 - 17 - 1 RIPPLE 1 AM-RF 2 FM-GND 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

42、 VCC2 22 VDD 23 MO/ST 24 XTAL 25 DGND 26 CLOCK 27 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 AM/FM 39 AM-MIXOUT 40 AM-IF1-IN 41 RF-GND2 42 NC 43 AGC 44 IC1 TEA5762 C4 104 C10 100uF VCC1 R11 56K RV1 100K R12 1K C22 224 C26 474 C27 474 R

43、27 2K2 C28 1uF C30 2.2uF C31 15pFC32 470n C7 104 VCC2 VDD X1 75K R14 150K C14102 C15 12P 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 R34 47K Q3 BC547C