Philips-MX-6050-D-Service-Manual电路原理图.pdf

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1、CLASS 1LASER PRODUCTServiceServiceServiceMX6050D/17Copyright 2004 Philips Consumer Electronics B.V. Eindhoven, The NetherlandsAll rights reserved. No part of this publication may be reproduced, stored in a retrieval system ortransmitted, in any form or by any means, electronic, mechanical, photocopy

2、ing, or otherwisewithout the prior permission of Philips.Published by BB-ET0409 Service Audio Printed in The Netherlands Subject to modification.GB3139 785 30600DVD ReceiverVersion 1.0TABLE OF CONTENTSPageLocation of PC Boards.1-2Versions Variation fr Reparaturen sind Original-Ersatzteile zu verwend

3、en.Sicherheitsbauteile sind durch das Symbol ! markiert.ILe norme di sicurezza esigono che lapparecchio venga rimessonelle condizioni originali e che siano utilizzati i pezzi di ricambioidentici a quelli specificati.Componenty di sicurezza sono marcati con ! .GBAfter servicing and before returning s

4、et to customer perform a leakagecurrent measurement test from all exposed metal parts to earth groundto assure no shock hazard exist, The leakage current must notexceed 0.5mA.CLASS 1LASER PRODUCT3122 110 03420GB Warning !Invisible laser radiation when open.Avoid direct exposure to beam.S Varning !Os

5、ynlig laserstrlning nr apparaten r ppnad och sprrenr urkopplad. Betrakta ej strlen.SF Varoitus !Avatussa laitteessa ja suojalukituksen ohitettaessa olet alttiinankymttmlle laseristeilylle. l katso steeseen!GB WARNINGAll ICs and many other semi-conductors aresusceptible to electrostatic discharges (E

6、SD).Careless handling during repair can reduce lifedrastically.When repairing, make sure that you areconnected with the same potential as the massof the set via a wrist wrap with resistance.Keep components and tools also at thispotential.FATTENTIONTous les IC et beaucoup dautressemi-conducteurs sont

7、 sensibles auxdcharges statiques (ESD).Leur longvit pourrait tre considrablementcourte par le fait quaucune prcaution nestprise leur manipulation.Lors de rparations, sassurer de bien tre reliau mme potentiel que la masse de lappareil etenfiler le bracelet serti dune rsistance descurit.Veiller ce que

8、 les composants ainsi que lesoutils que lon utilise soient galement cepotentiel.ESDD WARNUNGAlle ICs und viele andere Halbleiter sindempfindlich gegenber elektrostatischenEntladungen (ESD).Unsorgfltige Behandlung im Reparaturfall kandie Lebensdauer drastisch reduzieren.Veranlassen Sie, dass Sie im R

9、eparaturfall berein Pulsarmband mit Widerstand verbundensind mit dem gleichen Potential wie die Massedes Gertes.Bauteile und Hilfsmittel auch auf dieses gleichePotential halten.DK Advarse !Usynlig laserstrling ved bning nr sikkerhedsafbrydere erude af funktion. Undg udsaettelse for strling.F“Pour vo

10、tre scurit, ces documents doivent tre utiliss pardes spcialistes agrs, seuls habilits rparer votreappareil en panne“.GBESD PROTECTION EQUIPMENTComplete Kit ESD3 (small tablemat, wristband,connection box, estention cable and earth cable . 4822 310 10671Wristband tester . 4822 344 139991) System Reset

11、a) Press “SYSTEM“ button on R/C. TV show “SETUP“b) Select the menu using the “ “ and “ “ button on R/Cc) Go feature setup page to do system reset2) Region Code Change2-1System, Region code, Tuner, etc. setting procedureAfter replacement / repair of the MPEG board, the customersetting and the region

12、code may lost. Changing the Regioncode will put the player back in the state which it has left thefactory.Region Code1 USA2EU3AP4 Australia, NZ, Latam5 RUSSIA, INDIA6 CHINATV System1 NTSC2PAL3 AUTOMenu/ Audio Subtitle (AS) Language1 English2 English3 English4 EnglishAFS001 LX3000D/LX3500D /MRD200002

13、 MX3600D/MX3800003 LX3700D/LX3750W005 MRD210006 MX3660D008 FW-D550010 MRD120/MX6050oem derivative08.region code = 1 digit.tv system = 1 digit.“as/menu lang“ = 1 digit.“AFS“ = “architechture Feature Set“ = 3 digitsThis field is used to define the architecture / features sets foreach product.“oem deri

14、vative“ = 2 digitThis field is use to define the OEM set. This will affect thebackground display.3) Region code change timer resetPress 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 254) Tuner area changea) Press the “O

15、PEN/CLOSE“ button to open the sets doorb) Press “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 remainorigina

16、l status.87.5M 108M 50KNote :-Please refer to the above different tuner area.2-1Hence in total, reprograming will be done by way of theremote 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 MX6050 /17 (US) : After the

17、Region Code is changed it is necessary to resetthe system so that the new Region Code will be fullyeffective. All customer setting will be lost. On top of the maximum number of times allowed forchanging the region code is changed to 25. When the counter reach 25, you will not be able to furtherchang

18、e the code until you reset the timer by the RegionCode timer reset procedureCAUTION !This information is confidencial and may notbe distributed. Only a qualified serviceperson should reprogram the Region Code.5. Video Out Changea) Press “SYSTEM“ on R/C buttonb) Select the menu using the “ “ and “ “

19、button on R/Cc) Go picture setup page select Video out item.6. Password Changea) Press “SYSTEM“ on R/C buttonb) Select the menu using the “ “ and “ “ button on R/Cc) Go feature setup page select “PASSWORD“. TV show“ENTER CODE“.Press 4 times of “STOP“ button on R/C.d) Select “PARENTAL“ “8 ADULT“ on T

20、V.e) Enter PASSWORD to “1234“. “1234“ is a default password supplied.7. Checking on the Software versiona) Open the CD door.b) Press “123“ and “OK“ on the remote control.c) TV will show the version on screen.8. Upgrading new softwarea) Open the door, then insert the CD-R program disc.b) Close the do

21、or.c) TV will show:-.“disc loading“.“bank30.rom“.“writing“ about 6 seconds.“Done“ The latest upgraded is in version VER0226.AREA BAND FREQUENCY (Hz) STEP(Hz)531K 1602K 9K530K 1710K 10KFMUSA (17)AM2-2REPAIR INSTRUCTIONS (1 of 2)2-22-3REPAIR INSTRUCTIONS (2 of 2)2-33-1DISASSEMBLY INSTRUCTIONS1) Open t

22、he DVD Tray by using the Open/Close Buttonwhile the Set is ON and disconnect the mains supply afterremoving the Tray Cover.Note: If this is not possible, the DVD Tray has to be openmanually.Take a mini screw driver about 2mm diameter and makea marking 24mm from the tip as shown in figure 2. placethe

23、 set on its side, insert the mini screw driver till themarking and slide it towards the right as shown in figure1 until the Tray moves out of the Front Panel.Dismantling of the Front Panel Assembly2) Return the set to its upright position and remove the TrayCover as shown in Figure 3 and close the t

24、ray manuallyby pushing it back in.3) Loosen 9 screws and remove the Top Cover by lifting therear portion upwards before sliding it out towards the rear.-5 screws on the back-2 screws each on the left & right side4) Loosen 7 screws & lift up the top edge of Front Panelassembly to free some catches be

25、fore sliding it outtowards the front.-4 screws on the bottom-1 screw “E“ on the inside as indicated in Figure 8.-1 screw each on the left & right side3-1Figure 5Dismantling of the Power Board1) Loosen 2 screws “B“ on the bottom cover as shown infigure 5.2) Loosen 4 screws “C“ at the top of the Power Board asshown in figure 6.Figure 6Figure 4Figure 3Figure 2Figure 11) Loosen 4 screws “A“ to remove the DVD Module as shown in figure 4.Dismantling of the DVD Module24mm 2mmRepeatMarking just outside the slot on the rear cabinetC A B