Philips-DVP-720-SA-Service-Manual电路原理图.pdf

CLASS 1LASER PRODUCTService ManualServiceServiceServiceDVP720SA/00/02/05/69/75TABLE OF CONTENTSPageLocation of pc boards für Reparaturen sind Original-Ersatzteile zu verwenden.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 set to customer perform a leakagecurrent measurement test from all exposed metal parts to earth ground toassure no shock hazard exist. The leakage current must not exceed0.5mA.2-1 2-1DISMANTLING INSTRUCTIONSDismantling of the DVD Loader1) The tray can be manually open by inserting a minusscrew driver and push the lever in the direction as shownin Figure 1 to unlock the tray before sliding it out.2) Slide out the tray and remove the Tray Front assembly(pos 110 + pos 111) as shown in Figure 2.1) Loosen 7 screws A (see Figure 3) and uncatch 2 catchesC1 (see Figure 4) to remove the AV Board (pos 1001).2) Loosen 4 screws D (see Figure 4) to remove the SD6.1PL 6CH Board.Dismantling of the AV Board, SD6.1 PL 6CH Board and PSU Board3) Loosen 5 screws to remove the Cover Top (pos 240).- 1 screw each on the left & right side- 3 screws on the rear4) Loosen 4 screws B (see Figure 4) to remove the DVDLoader.Figure 3Figure 4Figure 2Figure 13) Loosen 2 screws E and uncatch C2 (see Figure 4) toremove the PSU Board (pos 1004).2-2 2-2SERVICE POSITIONSAV Board Thick Insulation Sheet SD6.1 PL 6CH BoardDVD LoaderThick Insulation Sheet3-1Variousother TestsActivated with ACTIONTESTSS to ExitEEPROM FORMATTESTLoad default data. Display shows “NEW“.Caution!All presets from the customer will be lost!Disconnectmains cordLEAVE SERVICETEST PROGRAMYNYNNBIIButton pressed?BIIButton pressed?DISPLAYTESTDisplay shows Figure 1 and switch “Multichannel“& “Progressive Scan“LEDs onY9Button pressed?Figure 1Figure 2Display shows Figure 2 and switch “Multichannel“& “Progressive Scan“LEDs offTo start service test programhold S button depressedwhile set is in standbyand pressthe STANDBY button*Display shows theROM version “SVxx-yy“S refers to Service ModeV refers to Versionxx refers to Software version number of the back uProcessor(counting up from 01 to 99)yy refers to the front uProcessor version number(00 will be displayed if there is no front uProcessor use)SERVICE TEST PROGRAMSD6.1 Service Test Program dd wk0413MAIN MENU* Mains power to set must be onHold S button depressed till the Display shown “SVxx-yy“3-2Reprogramming of DVD version MatrixAfter repair, the customer setting and region code may belost. Reprogramming will put the set back in the state inwhich it has left the factory, ie. with the default setting andthe allowed region code.To reprogram do as follows:1) Power up the set.2) Open tray by press “OPEN/CLOSE“ button on the setor press and hold “STOP“ button on the RC.3) Press the following buttons on the Remote Control:. for DVP720SA/00. for DVP720SA/17. for DVP720SA/02. for DVP720SA/05. for DVP720SA/69. for DVP720SA/75. for DVP720SA/784) The display shows 'YYYY-ZZ' and the tray will close.YYYY = model number (eg. 0720, 3900, etc.)ZZ = stroke version (eg. 00, 02, 05, etc.)Procedure for check Software version1) Power up the set.2) Open tray by press “OPEN/CLOSE“ button on the setor press and hold “STOP“ button on the RC.3) Press “DISPLAY“ button on the Remote control.4) The TV screen will shows:SD6.1 Vxx YYYY-ZZ P QQSERVO: GGGGGGGG REG:Dxx = version numberYYYY = model number (eg. 0720, 3900, etc.)ZZ = stroke version (eg. 00, 02, 05, etc.)P / D = region codeQQ = version number of front uProcessorGGGGGGGG = version for servo codeProcedure to upgrade software1) Power up the set.2) Open tray by press “OPEN/CLOSE“ button on the setor press and hold “STOP“ button on the RC.3) Place upgrade CD-ROM onto tray and close.4) The set will response and display the following:- LOAD After the disc is read, the tray will open foryou to remove the disc- ERASE- WRITE- ERROR if upgrade is unsuccessful- UPG END -> PHILIPS if upgrade is successful- DISC->CLOSE->LOAD Tray will close indicatingthat the upgrade process is completed5) The whole process should not take more than 5minutes.Caution: Do not unplug the set until upgrade is completed.Trade ModeTrade mode is a feature that will block all set keys whenenabled. It is for dealers to prevent customers fromremoving disc, changing source etc using the set keys.Rotary and Remote Control (RC) keys are still allowed inTrade mode.To activate Trade Mode:1) Power up the set.2) Open tray by press “OPEN/CLOSE“ button on the setor press and hold “STOP“ button on the RC.3) Then press buttons on the RC.4) The display shows 'TRA ON' and the tray will close.Trade Mode is now enabled.To deactivate Trade Mode:1) Power up the set.2) Open tray by press and hold “STOP“button on the RC.3) Then press buttons on the RC.4) The display shows 'TRA OFF' and the tray will close.Trade Mode is now disabled.