Philips-DVP-620-VR-Service-Manual(1) 电路图 维修手册.pdf

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1、Contents Chapter Technical Specifications Schematic Diagrams and CBAs Exploded Views Mechanical and Electrical Parts Lists Sec. 1: Sec. 2: Standard Maintenance Mechanism Alignment Procedures Disassembly / Assembly of Mechanism Deck Exploded Views Survey of versions: Published by FU 0436 Service AVS

2、Printed in The Netherlands Subject to modification Version 1.0 /04 PAL DVD + VCR CombiDVP620VR/04 c Copyright 2004 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 transmitted, in any form

3、 or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips. CLASS 1 LASER PRODUCT KLASSE 1 LASER PRODUKT KLASS 1 LASER APPARAT CLASSE 1 PRODUIT LASER GB 3139 785 30810 Service Manual ServiceService ServiceService Service RadioFans.CN 收音机爱 好者资料库 MAIN

4、SECTION DIGITAL VIDEO DISC PLAYER when removing entire flat pack-IC, first apply soldering iron to center of the flat pack-IC and heat up. Then remove (glue will be melted). (Fig. S-1-6) (4) Release the flat pack-IC from the CBA using twee- zers. (Fig. S-1-6) Caution: 1. The Flat Pack-IC shape may d

5、iffer by models. Use an appropriate hot-air flat pack-IC desoldering machine, whose shape matches that of the Flat Pack-IC. 2. Do not supply hot air to the chip parts around the flat pack-IC for over 6 seconds because damage to the chip parts may occur. Put masking tape around the flat pack-IC to pr

6、otect other parts from damage. (Fig. S-1-2) Top View OutIn Bottom View Input 5 10 Pin 1 Pin 1 FFC Cable Connector CBA * Be careful to avoid a short circuit. Fig. S-1-1 1-3-2NOTE_1 3. The flat pack-IC on the CBA is affixed with glue, so be careful not to break or damage the foil of each pin or the so

7、lder lands under the IC when removing it. With Soldering Iron: (1) Using desoldering braid, remove the solder from all pins of the flat pack-IC. When you use solder flux which is applied to all pins of the flat pack-IC, you can remove it easily. (Fig. S-1-3) (2) Lift each lead of the flat pack-IC up

8、ward one by one, using a sharp pin or wire to which solder will not adhere (iron wire). When heating the pins, use a fine tip soldering iron or a hot air desoldering machine. (Fig. S-1-4) (3) Bottom of the flat pack-IC is fixed with glue to the CBA; when removing entire flat pack-IC, first apply sol

9、dering iron to center of the flat pack-IC and heat up. Then remove (glue will be melted). (Fig. S-1-6) (4) Release the flat pack-IC from the CBA using twee- zers. (Fig. S-1-6) With Iron Wire: (1) Using desoldering braid, remove the solder from all pins of the flat pack-IC. When you use solder flux w

10、hich is applied to all pins of the flat pack-IC, you can remove it easily. (Fig. S-1-3) (2) Affix the wire to a workbench or solid mounting point, as shown in Fig. S-1-5. (3) While heating the pins using a fine tip soldering iron or hot air blower, pull up the wire as the solder melts so as to lift

11、the IC leads from the CBA contact pads as shown in Fig. S-1-5 Fig. S-1-2 Hot-air Flat Pack-IC Desoldering Machine CBA Flat Pack-IC Tweezers Masking Tape Fig. S-1-3 Flat Pack-IC Desoldering Braid Soldering Iron Fig. S-1-4 Fine Tip Soldering Iron Sharp Pin 1-3-3NOTE_1 (4)Bottom of the flat pack-IC is

12、fixed with glue to the CBA; when removing entire flat pack-IC, first apply soldering iron to center of the flat pack-IC and heat up. Then remove (glue will be melted). (Fig. S-1-6) (5)Release the flat pack-IC from the CBA using twee- zers. (Fig. S-1-6) Note: When using a soldering iron, care must be

13、 taken to ensure that the flat pack-IC is not being held by glue. When the flat pack-IC is removed from the CBA, handle it gently because it may be damaged if force is applied. 2. Installation (1) Using desoldering braid, remove the solder from the foil of each pin of the flat pack-IC on the CBA so

14、you can install a replacement flat pack-IC more easily. (2) The “ I ” mark on the flat pack-IC indicates pin 1. (See Fig. S-1-7.) Be sure this mark matches the 1 on the PCB when positioning for installation. Then presolder the four corners of the flat pack-IC. (See Fig. S-1-8.) (3) Solder all pins o

15、f the flat pack-IC. Be sure that none of the pins have solder bridges. Fig. S-1-5 To Solid Mounting Point Soldering Iron Iron Wire or Hot Air Blower Fig. S-1-6 Fine Tip Soldering Iron CBA Flat Pack-IC Tweezers Fig. S-1-7 Example : Pin 1 of the Flat Pack-IC is indicated by a mark. Fig. S-1-8 Presolde

16、r CBA Flat Pack-IC 1-3-4NOTE_1 Instructions for Handling Semi-conductors Electrostatic breakdown of the semi-conductors may occur due to a potential difference caused by electro- static charge during unpacking or repair work. 1. Ground for Human Body Be sure to wear a grounding band (1M) that is pro

17、p- erly grounded to remove any static electricity that may be charged on the body. 2. Ground for Workbench Be sure to place a conductive sheet or copper plate with proper grounding (1M) on the workbench or other surface, where the semi-conductors are to be placed. Because the static electricity char

18、ge on cloth- ing will not escape through the body grounding band, be careful to avoid contacting semi-conductors with your clothing. CBA Grounding Band Conductive Sheet or Copper Plate 1M 1M CBA 1-4-1H9720FIS FUNCTION INDICATOR SYMBOLS Note: If a mechanical malfunction occurs, the power is turned of

19、f. When the power comes on again after that by pressing STANDBY-ON button, an error message is displayed on the TV screen for 5 seconds. TV screen When reel or capstan mechanism is not functioning correctly When tape loading mechanism is not functioning cor- rectly When cassette loading mechanism is

20、 not functioning correctly When the drum is not working properly P-ON Power safety detection MODEINDICATOR ACTIVE When reel or capstan mechanism is not functioning correctly “EJECT R” is displayed on a TV screen. (Refer to Fig. 1.) When tape loading mechanism is not func- tioning correctly “EJECT T”

21、 is displayed on a TV screen. (Refer to Fig. 2.) When cassette loading mechanism is not functioning correctly “EJECT C” is displayed on a TV screen. (Refer to Fig. 3.) When the drum is not working properly “EJECT D” is displayed on a TV screen. (Refer to Fig. 4.) P-ON Power safety detection “EJECT P

22、” is displayed on a TV screen. (Refer to Fig. 5.) EJECT R Fig. 1 EJECT T Fig. 2 EJECT C Fig. 3 Fig. 4 EJECT D EJECT P Fig. 5 1-5-1H9720PFS PREPARATION FOR SERVICING How to Enter the Service Mode About Optical Sensors Caution: An optical sensor system is used for the Tape Start and End Sensors on thi

23、s equipment. Carefully read and follow the instructions below. Otherwise the unit may operate erratically. What to do for preparation Insert a tape into the Deck Mechanism Assembly and press the PLAY button. The tape will be loaded into the Deck Mechanism Assembly. Make sure the power is on, connect

24、 TP501 (S-INH) to GND. This will stop the function of Tape Start Sensor, Tape End Sensor and Reel Sensors. (If these TPs are connected before plugging in the unit, the function of the sensors will stay valid.) See Fig. 1. Note: Because the Tape End Sensors are inactive, do not run a tape all the way

25、 to the start or the end of the tape to avoid tape damage. Q504 Q503 TP501 S-INH Fig. 1 1-6-1H9724IB OPERATING CONTROLS AND FUNCTIONS 1-6-2H9724IB 1-7-1H9724SNA SIGNAL NAME ABBREVIATIONS Signal NameFunction -FLFIP Drive Power Supply 8POUT-1 Control SCART 1 8Pin Level by using 8POUT-1 and 8POUT-2 8PO

26、UT-2 Control SCART 1 8Pin Level by using 8POUT-1 and 8POUT-2 A-COMAudio Head Common A-INAudio Signal Input A-MODEHi-Fi Tape Detection Signal A-MUTEAudio Mute Output A-MUTE-H Audio Mute Control Signal (Mute = “H”) A-OUTAudio Signal Output A-PB/REC Normal Audio Play Back/Record Signal AE-HAudio Erase

27、Head AFC Automatic Frequency Control Signal AGCIF AGC Control Signal AL+12V Always +12V with AC Plug Connected AL+2.8V Always +2.8V with AC Plug Connected AL+20.5V Always +20.5V with AC Plug Connected AL+20.5V/ +12V Always +20.5V/+12V with AC Plug Connected AL+4.0V Always +4.0V with AC Plug Connecte

28、d AL+44V Always +44V with AC Plug Connected AL+5V Always +5V with AC Plug Connected AL+9V Always +9V with AC Plug Connected AL-30V Always -30V with AC Plug Connected AL-5V Always -5V with AC Plug Connected AMPCCTL AMP Connected Terminal AMPVccAMPVcc AMPVREF inV-Ref for CTL AMP AMPVREF OUT V-Ref for

29、CTL AMP ASPECTDVD Aspect Signal AUDIO+5V+5V at Audio Signal AVcc A/D Converter Power Input/ Standard Voltage Input C-CONTCapstan Motor Control Signal C-F/R Capstan Motor FWD/REV Control Signal (FWD=”L”/REV=”H”) C-FG Capstan Motor Rotation Detection Pulse C-POW-SWCapstan Power Switching Pulse C-ROTA

30、Color Phase Rotary Changeover SIgnal C-SYNCComposite Synchronized Pulse CLKSELClock Select (GND) COLOR-IN SECAM or MESECAM Chroma Video Input Signal at Super Impose CTL(+) Playback/Record Control Signal (+) CTL(-)Playback/Record Control Signal (-) CTLAMPoutTo Monitor for CTL AMP Output D-CONTDrum Mo

31、tor Control Signal D-PFG Drum Motor Phase/Frequency Generator D-REC-HDelayed Record Signal D-V-SYNCDummy V-sync Output DAVN-LVPS/PDC Data Receive = “L” DISPLAY-CLKVFD Driver IC Control Clock DISPLAY-DATAVFD Driver IC Control Data DISPLAY-STBVFD Driver IC Chip Select Signal DRV-CLKVFD Driver IC Contr

32、ol Clock DRV-DATAVFD Driver IC Control Data DRV-STBVFD Driver IC Chip Select Signal DUBBING-SWDubbing Start at high DVD-8PIN-IN SCART 8Pin DVD Input Control Signal DVD-ADVD Audio Signal DVD-A(L)- MUTE DVD Audio(L) Mute Control Signal DVD-A(R)- MUTE DVD Audio(R) Mute Control Signal DVD-A-MUTEDVD Audi

33、o Mute Control Signal DVD-A-OUT(L)DVD Audio(L) Signal Output DVD-A- OUT(R) DVD Audio(R) Signal Output DVD-B-OUT DVD Component Video Signal (blue) DVD-G-OUT DVD Component Video Signal (green) DVD-LED“DVD” LED Signal Output DVD-OPEN/ CLOSE DVD Open/Close at High Signal NameFunction 1-7-2H9724SNA DVD-P

34、- ON+12V +12V at DVD Power-On Signal DVD-P- ON+3.3V +3.3V at DVD Power-On Signal DVD-P-ON+5V+5V at DVD Power-On Signal DVD-PLAYDVD Play at High DVD-POWERDVD Power Control Signal DVD-POWER- MONITOR DVD Power Monitor Signal (P- off=L, P-on=H) DVD-R-OUT DVD Component Video Signal (red) DVD-STOPDVD Stop

35、 at High DVD-VIDEODVD Video Control Signal END-STape End Position Detect Signal EV+1.2V+1.2V Power Supply EV+11V+11V Power Supply EV+3.3V+3.3V Power Supply F1Filament Power Supply 1 F2Filament Power Supply 2 FE-HFull Erase Head FP-CLKClock Input FP-DIN Serial Data Input FP-DOUT Serial Data Output FP

36、-STB Serial Interface Strobe FSC-IN 4.43MHz 4.43MHz Clock Input FTV-IN Comparator Input of Video Signal for Follow TV H-A-COMPHead Amp Comparator Signal H-A-SWVideo Head Amp Switching Pulse Hi-Fi-A Hi-Fi Audio Head Hi-Fi-COM Hi-Fi Audio Head Common Hi-Fi-H-SWHiFi Audio Head Switching Pulse I/P-SW In

37、terlace/Progressive Switching Signal IIC-BUS SCLIIC BUS Control Clock IIC-BUS SDAIIC BUS Control Data INPUT SELECT Input Selector Control Signal JK1-16PINScart Jack1 16Pin Control Signal JK1-8P-OUTSCART 8Pin Output Control Signal JK2-16PScart Jack2 16Pin Control Signal KEY-1Key Scan Input Signal 1 K

38、EY-2Key Scan Input Signal 2 LD-SW Deck Mode Position Detector Signal LINE-MUTE Audio Mute Control Signal LM-FWD/REVLoading Motor Control Signal LPLP Signal NameFunction MOD-A Modulator Audio Output Signal MOD-VModulator Video Output Signal N-A-PB Normal Audio Playback N-A-REC Normal Audio Recording

39、OSCOscillator Input OSCinClock Input for letter size OSCoutClock Output for letter size OSD-V-INOSD Video Signal Input OSD-V-OUTOSD Video Signal Output OSDVccOSDVcc OUTPUT- SELECT Output Select P-DOWN-L Power Voltage Down Detector Signal P-ON+15V+15V at Power-On Signal P-ON+3.3V+3.3V at Power-On Sig

40、nal P-ON+44V+44V at Power-On Signal P-ON+5V+5V at Power-On Signal P-ON-HPower On Signal at High P80/CP80/C Terminal PB-H-OUTPlayback Signal Output at High PG-DELAY Video Head Switching Pulse Signal Adjusted Voltage POW-SAFP-ON Power Detection Input Signal POWER-LED“POWER” LED Signal Output PWRCONPow

41、er Down REC-SAF-SW Recording Safety SW Detect (With Record tab=”L”/ With out Record tab=”H”) REMOTE-DVDDVD Remote Control Sensor REMOTE- VIDEO Remote Control Sensor RESETSystem Reset Signal (Reset=”L”) RF-SWVideo Head Switching Pulse RGB- THROUGH SCART 2 RGB Through Control Signal S-REELSupply Reel

42、Rotation Signal SC2-INInput Signal from Pin 8 of SCART2 SIFSource Input Format SPDIF Digital Audio Interface Format Signal ST-STape Start Position Detector Signal T-REELTake Up Reel Rotation Signal TIMER+5V+5V at Timer TU-AUDIOTuner Audio Input Signal TU-VIDEOTuner Video Input Signal V(L)Video L Hea

43、d V(R)Video R Head V-COMVideo Head Common Signal NameFunction 1-7-3H9724SNA V-ENVVideo Envelope Comparator Signal V-INVideo Signal Input V-IN-FVideo Signal Input (Front) V-OUTVideo Signal Output VccVcc VCR-LED“VCR” LED Signal Output VDDPower Supply VEEPull Down Level VIDEO-BComponent Video (blue) Si

44、gnal VIDEO-C Composite Video (chrominance) Signal VIDEO-GComponent Video (green) Signal VIDEO-RComponent Video (red) Signal VIDEO-Y Composite Video (Luminance) Signal VssVss(GND) XCinSub Clock XCOUTSub Clock XinMain Clock Input XoutMain Clock Input Signal NameFunction 1-8-1H9720DC CABINET DISASSEMBL

45、Y INSTRUCTIONS 1. Disassembly Flowchart This flowchart indicates the disassembly steps to gain access to item(s) to be serviced. When reassembling, follow the steps in reverse order. Bend, route, and dress the cables as they were originally. 2. Disassembly Method Note: (1): Identification (location)

46、 No. of parts in the figures (2): Name of the part (3): Figure Number for reference (4): Identification of parts to be removed, unhooked, unlocked, released, unplugged, unclamped, or desoldered. P=Spring, L=Locking Tab, S=Screw, CN=Connector *=Unhook, Unlock, Release, Unplug, or Desolder e.g. 2(S-2)

47、 = two Screws (S-2), 2(L-2) = two Locking Tabs (L-2) (5): Refer to “Reference Notes.” ID/ LOC. No. PART REMOVAL Fig. No. REMOVE/*UNHOOK/ UNLOCK/RELEASE/ UNPLUG/DESOLDER Note 1Top CaseD18(S-1)- 2 Front Assembly D2*3(L-1), *3(L-2) 1 1-1 1-2 3 Top Bracket D23(S-2)- 4 DVD Mecha Assembly D3 4(S-3), *CN40

48、1, *CN601 - 5 Partition Plate D3(S-4)- 6 Power Suppy CBA D32(S-5), CN501- 1 Top Case 2 Front Assembly 3 Top Bracket 4 DVD Mecha Assembly8 DVD Main CBA Unit 5 Partition Plate 7 Loader Holder 6 Power Supply CBA 9 VCR Chassis Unit 10 Deck Assembly 11 DVD Open/Close CBA 13 Main CBA 12 Power SW CBA 14 Ja

49、ck-A CBA 7 Loader Holder D32(S-6)- 8 DVD Main CBA Unit D4 2(S-7), *CN201, *CN301 2 2-1 2-2 3 9 VCR Chassis Unit D5 5(S-8), 2(S-9), 2(S-10), (L-3) - 10 Deck Assembly D6 Desolder, 2(S-11), (S-12) 4,5 11 DVD Open/ Close CBA D6Desolder- 12 Power SW CBA D6Desolder- 13Main CBAD6- 14 Jack-A CBA D6Desolder, 2(S-13)- (1) (2) (3) (4) (5) ID/ LOC. No. PART REMOVAL Fig. No. REMOVE/*UNHOOK/ UNLOCK/RELEASE/ UNPLUG/DESOLDER Note 1-8-2H9720DC Reference Notes CAUTION 1: Locking Tabs (L-1) and (L-2) are fragile. B