Philips-FWD-796-Service-Manual(1) 电路图 维修手册.pdf

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1、CLASS 1 LASER PRODUCT Service ServiceService ServiceService FWD796/21/21M Copyright 2005 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 or by any means, electron

2、ic, mechanical, photocopying, or otherwise without the prior permission of Philips. Published by SL- ET0519 Service Audio Printed in The Netherlands Subject to modification. GB 3141 785 30360 Mini System VIDEO CD Version 1.0 Service Manual TABLE OF CONTENTS Page Location of PCBs fr Reparaturen sind

3、Original- Ersatzteile zu verwenden. I Le norme di sicurezza esigono che lapparecchio venga rimesso nelle condizioni originali e che siano utilizzati i pezzi di ricambio identici a quelli specificati. After servicing and before returning set to customer perform a leakage current measurement test from

4、 all exposed metal parts to earth ground to assure no shock hazard exist. The leakage current must not exceed 0.5mA. CLASS 1 LASER PRODUCT 3122 110 03420 GB Warning ! Invisible laser radiation when open. Avoid direct exposure to beam. SVarning ! Osynlig laserstrlning nr apparaten r ppnad och sprren

5、r urkopplad. Betrakta ej strlen. SFVaroitus ! Avatussa laitteessa ja suojalukituksen ohitettaessa olet alttiina nkymttmlle laseristeilylle. l katso steeseen! DK Advarse ! Usynlig laserstrling ved bning nr sikkerhedsafbrydere er ude af funktion. Undg udsaettelse for strling. 1- 7 PREPARATIONS AND CON

6、TROLS 1 2 3 4 5 6 7 8 9 0 ! # ) * ( on the front panel to search and store all available radio stations or press 9 to exit (See page 37, Tuner Operations- Presetting radio stations). If your system is equipped with a Voltage Selector, set the VOLTAGE SELECTOR to the local power line voltage. FM ante

7、nna MW antenna fix the claw into the slot 8 VOLTAGE SELECTOR 110V127V 220V240V AC MAINS AUDIO OUT Pr/Cr Pb/Cb Y S-VIDEO IN VIDEO IN COMPONENT VIDEO IN 8 FUNCTIONAL OVERVIEW 1- 12 Functional Overview Controls on the system 1ECO POWER/ STANDBY ON to switch the system on, to Eco Power or Standby mode.

8、2DISPLAY SCREEN to view the current status of the system. 3SOURCE to select the following: DISC (DISC 123) to select disc tray 1, 2 or 3 TUNER (BAND) to select waveband: FM or MW. TAPE (TAPE 1-2) to select tape deck 1 or 2. AUXGAME to select a connected external source: TV/CDR, AUX (auxiliary) or Ga

9、meport mode. 4PREV / PRESET / NEXT O P (TITLE / +) for DISC .to select previous/next title, chapter or track during playback. for TUNER .to select a preset radio station. for CLOCK .to set the hour. 5SEARCHTUNING / (ALBUM / +) for DISC .to search backward/forward. to select previous/next album in MP

10、3/WMA stop mode (with MENU ON). for TAPE.to rewind or fast forward. for TUNER .to tune to a lower or higher radio frequency. for CLOCK .to set the minute. 6MIC VOL./ MIC IN to adjust the mixing level for karaoke or microphone recording. to connect microphone jack. 7 38 (PLAY/PAUSE) for DISC .to star

11、t or interrupt playback. for TAPE.to start playback. for PLUG to connect headphones. )VOLUME to increase or decrease the volume. SENSOR point the remote control towards this sensor. INTERACTIVE VU METER to show the VU (volume unit) meter in music or volume mode depending on the display mode selected

12、. DISC TRAYS OPENCLOSE to open or close the disc tray. DISC1/ DISC2/ DISC3 to select a disc tray for playback. DISC CHANGE to change disc(s). Functional Overview Remote control Notes: First, select the source you wish to control by pressing one of the source select keys on the remote control (DISC o

13、r TUNER, for example). Then select the desired function (, O or P for example). 1SOURCE to select the relevant active mode: DISC1/2/3, TUNER, TAPE1/2 or AUX/GAME. TUNER: toggles between FM and MW band. AUX/GAME: toggles between AUX and GAMEPORT mode. 2DISC MENU (disc mode only) to enter or exit the

14、disc contents menu. 3SYSTEM MENU (disc mode only) to enter or exit the system menu bar. 1 # $ % 4 5 to start or interrupt disc playback. to resume playback from last stop point. 7STOP 9 to stop playing the disc. 8REPEAT to select variations of continuous playback. 9REPEAT A-B to repeat a specific se

15、ction on a disc. 0SUBTITLE to select desired subtitle. !AUDIO to select the audio channel. POWER 2 to switch to eco power or standby mode. #Numeric Keypad (0-9) to enter a track/title number of the disc. to enter a number of preset radio stations. $VOL +/- adjust the volume level. adjust key control

16、/ ECHO level in karaoke mode. adjust speakers level in speaker setting mode. %OK to exit or confirm the selection. GOTO to go direct to desired title, chapter or time. to resume the normal play mode. Make sure the MP3-CD was recorded within 32- 256 kbps bit rate with sampling frequencies at 48 kHz,

17、44.1 kHz or 32 kHz. If the signal is too weak, adjust the antenna or connect an external antenna for better reception. Increase the distance between the System and your TV set or VCR. Clean deck parts, see “Maintenance”. Use only NORMAL tape. Apply a piece of adhesive tape over the missing tab space

18、. Remove and reconnect the AC power plug and switch on the system again. Check the speaker connections and location. Point the remote control at the remote control sensor of the unit. Reduce the distance to the player. Remove any possible obstacles. Replace the batteries with new ones. Check that th

19、e batteries are loaded correctly. Press DIM again. Set the clock correctly. If recording is in progress, stop it Power has been interrupted or the power cord has been disconnected. Reset the clock/timer. TROUBLESHOOTING 1- 14 1) System Reset a) Press SYSTEM button on R/C. TV show SETUP b) Select the

20、 menu using the and button on R/C c) Go feature setup page to do system reset 2) Region Code Change 2-1 System, Region code, Tuner, etc. setting procedure After replacement / repair of the MPEG board, the customer setting and the region code may lost. Changing the Region code will put the player bac

21、k in the state which it has left the factory. Region Code 1USA 2EU 3AP 4Australia, NZ, Latam 5RUSSIA, INDIA 6CHINA TV System 1NTSC 2PAL 3AUTO Menu/ Audio Subtitle (AS) Language 1English 2English 3English 4English AFS 001LX3000D/LX3500D /MRD200 002MX3600D/MX3800 003LX3700D/LX3750W 005MRD210 006MX3660

22、D 008FW-D550/FWD570 oem derivative 08 . region code = 1 digit . tv system = 1 digit . as/menu lang = 1 digit . AFS = architechture Feature Set = 3 digits This field is used to define the architecture / features sets for each product. . oem derivative = 2 digit This field is use to define the OEM set

23、. This will affect the background display. Hence in total, reprograming will be done by way of the remote control. It should run as below :- a) Put the player in stop mode. No disc loaded. b) Press the following key on remote control: For FW-D550 /21M (A/P) : After the Region Code is changed it is n

24、ecessary to reset the system so that the new Region Code will be fully effective. All customer setting will be lost. On top of the maximum number of times allowed for changing the region code is changed to 25. When the counter reach 25, you will not be able to further change the code until you reset

25、 the timer by the Region Code timer reset procedure 3) Region code change timer reset Press below key to reset the timer : a) In DISC source, stop mode and no disc in tray. b) Press R/C Play -159-PLAY to reset timer to 25 4) Tuner area change a) Press the OPEN/CLOSE button to open the sets door b) P

26、ress 1 5 9 button by using R/C. c) TV Show TUNER AREA d) Select the tuner area you want by using the and button on R/C, then press OK to confirm. TV show TUNER AREA CHANGED If you didnt press it in five seconds, the system will remain original status. 87.5M 108M 50K Note :- Please refer to the above

27、 different tuner area. 5. Video Out Change a) Press SYSTEM on R/C button b) Select the menu using the and button on R/C c) Go picture setup page select Video out item. 6. Password Change a) Press SYSTEM on R/C button b) Select the menu using the and button on R/C c) Go feature setup page select PASS

28、WORD. TV show ENTER CODE.Press 4 times of STOP button on R/C. d) Select PARENTAL 8 ADULT on TV. e) Enter PASSWORD to 1234. 1234 is a default password supplied. 7. Checking on the Software version a) Open the CD door. b) Press 123 and OK on the remote control. c) TV will show the version on screen. 8

29、. Upgrading new software a) Open the door, then insert the CD-R program disc. b) Close the door. c) TV will show:- . disc loading . bank30.rom . writing about 6 seconds. . Done The latest upgraded is in version VER*. 2-1 CAUTION ! This information is confidencial and may not be distributed. Only a q

30、ualified service person should reprogram the Region Code. AREA BAND FREQUENCY (Hz) STEP(Hz) 531K1602K9K 530K1710K 10K FM A/P (21M) MW 2-2 REPAIR INSTRUCTIONS 2-2 2-3 REPAIR INSTRUCTIONS 2-3 3-13-1 DISMANTLING INSTRUCTIONS Dismantling of the Cassette Cover Dismantling the 3CDC Module 4) Remove the Co

31、ver Tray as shown in figure 4. 5) Loosen 4 screws A to remove the CDC Module (pos 1105) as shown in figure 3. Dismantling of the Cover Front Display and Cover Front Ornamental (pos 130) Notes:There is nothing are sandwiched between the Front Cabinet (pos 101) and Cover Front Display (pos 129) but it

32、 has to be removed in order to reach the catches for the Cover Front Ornamental (pos 130) . 1) Loosen the 4 screws, slide Cover top (pos 255) towards the rear and remove it upwards. 3) Push the gear slowly towards the front as shown in figure 3 until the CDC tray starts to move out of the Front Cabi

33、net. The CDC tray is now disengaged and can be pulled out completely. 1) Remove the Volume knobs as stated in Dismantling the Cover Front Display in Figure 5. Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Pull out Press and hold it between the tape deck and the cassette door A A Turn the gear towards

34、 the front till the CDC tray starts to open Pull out 3-23-2 Dismantling of the Key Board , VFD Board,Tape Board and Cassette module 1) Loosen 5 screws E to remove the Bracket CDC Right as shown in figure 7. 2) Loosen 5 screws F to remove the KEY board figure 7. Dismantling of the Power Board 1) Loos

35、en 4 screws L to remove the Power Board figure 12. Detaching the Main board and Front Cabinet Assembly from the Bottom/Rear assembly 1) Release 2 catches B to free the Main board from the Front Cabinet Assembly as shown in figure 6. 2) Loosen 2 screws D at the bottom of the Front Cabinet on both sid

36、es of the set. 3) Release 2 catches C on both sides of the Front Cabinet and pull the Front Cabinet assembly out of the Bottom plate. Dismantling of the Rear Panel 1) Loosen 8 screws J to remove the Rear Panel figure 11. 3) Release 2 catches K on both sides of the Rear Panel with the help of a minus

37、 screw driver and pull out the Rear Panel figure 11. B D C B Pull out main board 3) Loosen 9 screws H to remove the VFD Board figure 9. 4) Loosen 1 screws G to remove the Tape Board figure 8. 5) Loosen 8 screws I to remove the Cassette Module figure 10. Figure 7 Figure 6 Figure 9 Figure 10 Figure11

38、Figure 12 E E F H H I J J L Service position AService position B Service position C Note: After re-assembly, it is very important to ensure the wires are properly inserted into their respective sockets and routed not to touch or obstruct any moving parts. Service positions 3-33-3 4-1 SET BLOCK DIAGR

39、AM 4-1 4-2 SET WIRING DIAGRAM 4-2 KEY / VIDEO / SENSOR / PHONE / VOL / VU BOARD TABLE OF CONTENTS FTD Display Pin Assignment.5-1 FTD Display Pin Connection .5-1 Internal IC Diagram & Pin Description .5-2 Circuit Diagram .5-3 PCB Layout Top View .5-4 PCB Layout Bottom View .5-5 Electrical Parts List

40、.5-7 5-1 FTD DISPLAY PIN ASSIGNMENT PIN CONNECTION # Note # 1. Fn:Filament pin 2. nG : Grid pin 3. Pn : Anode pin 4. NP : No Pin 5. NC : No Connection pin 5-1 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

41、 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? INTERNAL BLOCK DIAGRAM VFD CONTROLLER - IC TP6311QH PIN DESCRIPTION VFD CONTROLLER - IC TP6311QH Serial Data interface LED Driver OSC Timming Generator Segment Dri

42、ver/ Grid Driver/ Key Scan Output Dimming Circuit Grid Driver Control Genaral Input Register Key Matrix Memory Genaral Input Register SG1/KS1 SG2/KS2 SG3/KS3 SG4/KS4 SG5/KS5 SG6/KS6 SG7/KS7 SG8/KS8 SG9/KS9 SG10/KS10 SG11/KS11 SG12/KS12 SG13/GR16 SG14/GR15 SG15/GR14 SG16/GR13 SG17/GR12 SG18/GR11 SG19

43、/GR10 SG20/GR9 GR1 GR2 GR3 GR4 GR5 GR6 GR7 GR8 VEEGNDVDDK1 LED 5 LED 4 LED 1 SW 1 DIN DOUT CLK STB VDD OSC R SW 2 SW 3 SW 4 LED 2 LED 3 K2 K3 K4 5-25-2 / IemaN niPOno i t p i r cseD sniP tupnI esopruP lareneGI4WS ot 1WS OTUOD )niarD-nepO , lennahC-N( niP tuptuO a taD hTs i i paf eh t t a a tad l a i

44、 res s t up t uo n gni l legde fo . ) t i b rewol eh t mor f gni t ra t s( kcol c t f ihs eh t INID nI a t aDniP tup hTs i i pfo egde gni s i r eh t t a a tad l a i res s tupni n ) t i b rewol eh t mor f gni t ra t s( kcol c t f ihs eh t oC oN-CNnoi t cenn IKLC niP tupnI kcolC hTs i i pdna egde gni

45、s i r eh t t a a tad l a i res sdaer n t a a t ad s tuptuoaf eh t gni l l.egde IBTS l a i r eStS ecaf re t nIniP ebor hTs i nel l af sah BTS eh t re t fa tupni a tad e ecorpsa dess oc a.dnamm . derongi s i KLC , HGIH s i ni p s iht nehW I4K ot 1K sniP tupnI a taD yeK hTt a dehc t al era sni p eseht

46、ot de t tupni a tad e . el cyc yalpsi d eh t fo dne eh t oP cigoL-DDVuS rewylpp SK/1GSO21SK/21GS ot 1 iHsniP tuptuO tnemgeS ega t loV-hg ecruoS yeK eht sa s t ca oslA GS01RG/91GS ot 9RG/02 GS61RG/31GS ot 11RG/81 HOgisniP tuptuO di rG/ tnemgeS ega t loV h uP-EEVleveL nwoD- l l a t loV-hg iHO8RG ot 1R

47、GsniP tuptuO di rG eg niP tuptuO DELO5DEL ot 1DEL NG-DrG niP dnuo ICSO sO cniP tupnI ro t a l l i i ser Aoc s i rot senimre t ed ot n i p s iht ot det cenn cso eh tr f noi t al l iycneuqe 5-35-3 CIRCUIT DIAGRAM - KEY BOARD 1 A B C D EE A B C D 23456 123456 C1805 D1 C2001 A3 C2002 A3 C2003 B3 C2004 B3 C2005 B3 C2006 B6 C2007 B5 C2008 A4 C2009 A4 C2010 A4 C2012 B4 C2013 B4 C2014 B4 C2015 C1 C2016 C1 C2017 D2 C2018 D2 C2019 A3 C2020 A3 C2021 A1 C2024 A3 C2025 A2 C2026 B1 C2027 C2 C2028 C2 C2031 B1 C2032 C5 C2033 C5 C2035 D6 C222