Philips-PET-739-Service-Manual(1) 电路图 维修手册.pdf
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1、DVD Portable Player PET739/93 Published by BU AVM FK Printed in the Netherlands Subject to modification 3141 785 34110 Version 1.0 TABLE OF CONTENTS Chapter Technical Specification fr Reparaturen sind Original-Ersatzteile zu verwenden. I Le norme di sicurezza esigono che lapparecchio venga rimesso n
2、elle 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 all exposed metal parts to earth ground to assure no shock hazard exist. The leakage current must n
3、ot exceed 0.5mA. CLASS 1 LASER PRODUCT 3122 110 03420 GBWarning ! Invisible laser radiation when open. Avoid direct exposure to beam. SVarning ! Osynlig laserstrlning nr apparaten r ppnad och sprren r urkopplad. Betrakta ej strlen. SFVaroitus ! Avatussa laitteessa ja suojalukituksen ohitettaessa ole
4、t alttiina nkymttmlle laseristeilylle. l katso steeseen! DKAdvarse ! Usynlig laserstrling ved bning nr sikkerhedsafbrydere er ude af funktion. Undg udsaettelse for strling. When?the?power?supply?is?being?turned?on,?you?may?not?remove?this?laser?cautions?label.?If?it?removes,?radiation?of?laser may?b
5、e?received. 2.1 ESD PROTECTION PREPARATION?OF?SERVICING Pickup?Head?consists?of?a?laser?diode?that?is?very?susceptible?to?external?static?electrocity. Although?it?operates?properly?after?replacement,?if?it?was?subject?to?electrostatic?discharge?during?replacement, its?life?might?be?shortened.?When?r
6、eplacing,?use?a?conductive?mat,?soldering?iron?with?ground?wire,etc.?to protect?the?laser?diode?form?damage?by?static?electricity. And?also,?the?LSI?and?IC?are?same?as?above. Soldering?iron with?ground?wire or?ceramic?type Ground?conductive wrist?strap?for?body. Conductive?mat The?ground?resistance
7、between?the?ground?line and?the?ground?is?less?than?10 1M SAFTY NOTICE Plug the AC line cord directly into a 120V AC outlet (do not use an isolation transformer for this check). Use an AC voltmeter, having 5000 per volt or more sensitivity. Connect a 1500 10W resistor,paralleled by a 0.15uF 150V AC
8、capacitor between a knomn good earth ground (water pipe, conduit, etc.) and all exposed metal parts of cabinet (antennas, handle bracket, metal cabinet screwheads, metal overlays, control shafts, etc.). SAFTY PRECAUTIONS LEAKAGE CURRENT CHECK Measure the AC voltage across the 1500 resistor. The test
9、 must be conducted with the AC switch on and then repeated with the AC switch off. The AC voltage indicated by the meter may not exceed 0.3V.A reading exceeding 0.3V indicates that a dangerous potential exists, the fault must be located and corrected. Repeat the above test with the DVD VIDEO PLAYER
10、power plug reversed. NEVER RETURN A DVD VIDEO PLAYER TO THE CUSTOMER WITHOUT TAKING NECESSARY CORRECTIVE ACTION. READING SHOULD NOT EXCEED 0.3V DVD VIDEO PLAYER AC OUTLET AC VOLTMETER Test all exposed metal. Voltmeter Hook-up for Leakage Current Check 0.15uF 150V AC 1500 10W (5000 per volt or more s
11、ensitivity) Good earth ground such as a water pipe, conduit, etc. The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated dangerous voltage within the products enclosure that may be of sufficient magnitude to constitute
12、a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance. 3.0 INSTRUCTION FOR USE 3.0 INSTRUCTION FOR USE Disass
13、embly Procedure on PET739 Remove eight screws on back cabinet to separate top cabinet and back cabinet. screws 8pcs Generally open the front cabinet. Disassemble hous and connecter. 4.0 MECHANICAL INSTRUCTION Disassemble hous and connecter,and take out the DVD LOADER. Disassemble hous and screws,and
14、 take out the main board、sw board. screws 7pcs Remove seven screws on KEY board.screws 7pcs Remove one screws fabrics and connecter hous on IR board. screws 1pcs and connecter hous 1pcs Remove fabrics and hous. Remove the screws on the TFT board.screws 1pcs 5.0 TROUBLESHOOTING SYMPTOM: NO IMAGE / NO
15、 SOUND SYMPTOM: NO IMAGE OUTPUT ( THE PANEL SHOW BLUE PICTURE) Start Check the external AV Cable TYPEnote and connection is OK? Replace DVD DriveCheck DVD Drive work? Replace Main Board Exchange AV cable NOTE: AV Cable TYPE from outside to Inside L-Audio, R-Audio, Video, Ground no yes no yes SYMPTOM
16、: NO SOUND COMES FROM SPEAKER Start Check the Connection OK?Reinsertion Check speaker OK? Replace Main Board Change the speaker no yes no yes 5.0 TROUBLESHOOTING SYMPTOM: THE DVD DRIVE DOES NOT WORK SYMPTOM: THE DVD DRIVE DOESNT WORK Start Replace DVD- Loader Check the DVD-Loader OK? Replace main bo
17、ard NO Yes Yes Cable ReinsertionNO Check DVD-Loader connection OK? 5.0 TROUBLESHOOTING SYMPTOM: ADAPTOR CANNOT POWER ON Start Check Adaptor OK? Adaptor can not Power ON Change adaptorSET OK? Return set to Customer NO Check the Power-ON button and cable OK? Replace Main Board Replace Button or Cable
18、Yes NO Yes No YES OK 5.0 TROUBLESHOOTING SYMPTOM: KEY & BOTTON FAILURE SYMPTOM: Key & Botton Fail Start Check KEY board OK? Replace main board NO Yes Yes Cable ReinsertionNO Check CABLE form board to board connection OK? Return to custormerOK Replace KEY board OK 5 5 4 4 3 3 2 2 1 1 DD CC BB AA 9VDC
19、_IN DC_DC POWER ON/OFF SW BATTERY LDO 1389R SS7701 EON 8M MOTOR DRIVER OPU Foryou DM 520+ 1200X 720C MSTAR TENA M12WTP-2PS-E SDRAM 16M SS661O LED DRIVER HASTAR PANNEL LED AVOUT O/P4558 TDA2822 AUDIO MOTOR DRIVER POWER FLASH I2C KEY IR 4558 PET 739 BLOCK USB PET748 WIRING DIAGRAM 3.3V 1.8v IR TV_CVBS
20、 Y/C KEY2 RGB +5V 3.3V +5V +5VCVBS IIC KEY1 IR TCOM 5 5 4 4 3 3 2 2 1 1 DD CC BB AA GS S-FLASH 2 VIDEO INTERFACE D BC847B E 2SK3018 B C POWER 2N3906 3C RF Reference 2 DRAM RS-232 3 2 E 2N3904 1 TRAY SW 1 AUDIO INTERFACE 3 1 B 0.1uF NC 0.1uF NC R87 New Break circuit 150K 0R C89 BAT54C R86150K NC 10K
21、NC Old R84 D11 10K C90 CRYSTAL CIRCUIT C HITACHI 1200X 17 CD-LD 1 22 Vcc RF F A/a C 10 DVD-LD 18 T- 1 F+ 6 24 CD/DVD SW E 20 16 E 13 1 MD F- 8 Very Important to reduce Noise T+ 12 14 VR-CD B B/b 21 NC 3 15 D/d 2 Laser Protection Vc(Vref) 7 GND-PD 23 4 3 GND-LD VR-DVD NC 19 HFM C/c 2SB1132 11 5 9 OPO
22、 用GPIO2 R56 为0R,R55NC OP+用PIN127 R28 为0R,R29NC CIRCUIT DIAGRAM-MT1389R 5VM SF_CK DV18 T- 89L_3V3 SP- DMO FMSO FOSO DMSO AOUT_L CAS# Low Voltage Det DQ0.15 SL- FOSO OP+ DQM0.1 SP-A OP- SF_DO RFV18-1 DMSO SF_DI MO_VCC RxD AOUT_R TxD SL+ BA0 T+ V20 URST# CVBS_OUT WE# SP+ SF_CS DV33 RAS# SP+ DCLK MA0.10
23、 F- AVDD33 TRO FOO FMSO SL+ SL- F- V20 AVCC1 LD-CD RFO A IOA T- F+ F LD-DVD MDI1 E F+ D T+ AVCC1 B C LIMIT TRIN GPIO8 GPIO11 OP- C F OPO OP+ IOA D A E B OP- RFV33 I2C_INT S_Y S_C SD33 IR_IN IR_IN VCC5V V1P4 TRSO TRSO FMO V1P4 RFVDD3 USB_DM PWR2PWR2 USB_DP OPO ADVDD V33 MA2 DQ8 USB_V33 ADVCM DQM1 MDI
24、2 RFV18-2 AOUT_L DQ11 FOO USB_V18 DQ9 DQ2 BA0 DQ5 RFVDD3 LDO_DVD RAS# MA0 RxD DQ12 DQ7 DQ1 XO LDO_CD MA4 CVBS_OUT DCLK DQ13 URST# MDI1 S_Y AOUT_R TxD IR SF_DO LDO_CD V20 V1P4 V1P4 WE# SF_CS USB_DM FG MA6 MA10 DQ14 DQ6 XI RFV18-2 MA1 DQ3 AVDD33 XO MA9 SF_DI S_C GPIO8 DACVDD3 MA7 MA5 MA8 DQ4 USB_DP ST
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