Philips-PET-711-Service-Manual电路原理图.pdf

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1、DVD Portable Player PET100/PET711 All version 3141 785 32282 Version 1.2 TABLE OF CONTENTS Chapter Technical Specification fr Reparaturen sind Original-Ersatzteile zu verwenden.ILe norme di sicurezza esigono che lapparecchio venga rimessonelle condizioni originali e che siano utilizzati i pezzi di r

2、icambioidentici a quelli specificati.“After servicing and before returning set to customer perform aleakage current measurement test from all exposed metal parts toearth ground to assure no shock hazard exist. The leakage currentmust not exceed 0.5mA.“CLASS 1LASER PRODUCT3122 110 03420GB Warning !In

3、visible laser radiation when open.Avoid direct exposure to beam.S Varning !Osynlig laserstrlning nr apparaten r ppnad och sprrenr urkopplad. Betrakta ej strlen.SF Varoitus !Avatussa laitteessa ja suojalukituksen ohitettaessa olet alttiinankymttmlle laseristeilylle. l katso steeseen!DK Advarse !Usynl

4、ig laserstrling ved bning nr sikkerhedsafbrydere erude af funktion. Undg udsaettelse for strling.Whenthepowersupplyisbeingturnedon,youmaynotremovethislasercautionslabel.Ifitremoves,radiationoflasermaybereceived.2.1 ESD PROTECTIONPREPARATIONOFSERVICINGPickupHeadconsistsofalaserdiodethatisverysuscepti

5、bletoexternalstaticelectrocity.Althoughitoperatesproperlyafterreplacement,ifitwassubjecttoelectrostaticdischargeduringreplacement,itslifemightbeshortened.Whenreplacing,useaconductivemat,solderingironwithgroundwire,etc.toprotectthelaserdiodeformdamagebystaticelectricity.Andalso,theLSIandICaresameasab

6、ove.SolderingironwithgroundwireorceramictypeGroundconductivewriststrapforbody.ConductivematThegroundresistancebetweenthegroundlineandthegroundislessthan101MSAFTY NOTICEPlug the AC line cord directly into a 120V AC outlet (donot use an isolation transformer for this check). Use anAC voltmeter, having

7、 5000 per volt or more sensitivity.Connect a 1500 10W resistor,paralleled by a 0.15uF150V AC capacitor between a knomn good earth ground(water pipe, conduit, etc.) and all exposed metal parts ofcabinet (antennas, handle bracket, metal cabinetscrewheads, metal overlays, control shafts, etc.).SAFTY PR

8、ECAUTIONSLEAKAGE CURRENT CHECKMeasure the AC voltage across the 1500 resistor.The test must be conducted with the AC switch on andthen repeated with the AC switch off. The AC voltageindicated by the meter may not exceed 0.3V.A readingexceeding 0.3V indicates that a dangerous potentialexists, the fau

9、lt must be located and corrected.Repeat the above test with the DVD VIDEO PLAYERpower plug reversed.NEVER RETURN A DVD VIDEO PLAYER TO THECUSTOMER WITHOUT TAKING NECESSARYCORRECTIVE ACTION.READING SHOULD NOT EXCEED 0.3VDVD VIDEO PLAYERAC OUTLETAC VOLTMETERTest all exposed metal.Voltmeter Hook-up for

10、 Leakage Current Check0.15uF 150V AC150010W(5000 per voltor more sensitivity)Good earth groundsuch as a water pipe,conduit, etc.The lightning flash with arrowhead symbol, within anequilateral triangle, is intended to alert the user to thepresence of uninsulated “dangerous voltage“ within theproducts

11、 enclosure that may be of sufficient magnitude toconstitute a risk of electric shock to persons.The exclamation point within an equilateral triangle isintended to alert the user to the presence of importantoperating and maintenance (servicing) instructions in theliterature accompanying the appliance

12、.CAUTIONUse of controls or adjustments or performance ofprocedures other than herein may result in hazardousradiation exposure or other unsafe operation.- VOL +Volume control. Skip to the previous/next chapter, track or title.3.0 INSTRUCTIONS FOR USE 1 23128 910Stop playback or erase a program.Switc

13、h the power on/off.11POWER/IR/CHRPower /remote sensor /chargingindicator. MAIN UNIT CONTROLPOWEROPENAVOUTOpen the disc door to insert or remove disc.Audio/Video output.SETUPMENUEnter or exit the system menu. Enter or exit the disc contents menu.4Start or interrupt playback.DC IN Power supply socket.

14、1413 DC OUTDC output./5671423127681310591114Up / down cursor.,Headphone jacks.PHONES 1 & 2CAUTION Use of controls or adjustments or performance of procedures other than herein may result in hazardous radiation exposure or other unsafe operation. POWER ON/OFFSwitch the player on / off.3.0 INSTRUCTION

15、S FOR USE 123left / right cursor.DISPLAY CONTROLS- VOL +DC IN 12VAV INPower supply socket.Volume control.Audio/video input.4Headphone jack.DISPLAYAdjust the display value ofthe system.567VIDEO INVideo input.812453768,4.0 MECHNICAL INSTRUCTIONSTHE MAIN SET (for PET711 & PET100)Fig.11. Back View as sh

16、own in Fig.1Remove screws on back cabinet and disconnect the wire on function board2.Disconnect wires on the DVD loaderas shown in Fig.2. 3.Fig.2Fig.3Remove screws to take out the main PCB as shown in Fig.3.4.Fig.4Disassembly the door and function button discreteness and the middle cabinet discreten

17、ess, remove screws to take out the function PCB from the door and function button discreteness as shown in Fig.4.4.0 MECHNICAL INSTRUCTIONSTHE 2nd SCREEN (for PET711 only)Fig.11. Back View as shown in Fig.1Remove screws to take out base cover2. Disconnect wires of speaker and main PCBand also function PCB and LCD as shown in Fig.23.Fig.2Fig.3Remove main PCB as shown in Fig.3Remove screws to take out main PCB.4.Fig.4Remove speakers and remove screws to take out TFT board shield and function PCB and TFT LCD as shown in Fig.4