Philips-PET-738-Service-Manual(1) 电路图 维修手册.pdf

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1、DVD Portable Player PET730/PET732/PET735/PET738 All version 3141 785 31597 Version 1.7 TABLE OF CONTENTS Chapter Technical Specification fr Reparaturen sind Original-Ersatzteile zu verwenden. I Le norme di sicurezza esigono che lapparecchio venga rimesso nelle condizioni originali e che siano utiliz

2、zati 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 not exceed 0.5mA. CLASS 1 LASER PRODUCT 3122

3、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 olet alttiina nkymttmlle laseristeilylle. l kat

4、so 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?be?received. 2.1 ESD PROTECTION PREPARATION?O

5、F?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?replacing,?use?a?conductive?mat,?soldering?ir

6、on?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 between?the?ground?line and?the?ground?is?le

7、ss?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 capacitor between a knomn good earth ground

8、(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 must be conducted with the AC switch on and

9、 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 power plug reversed. NEVER RETURN A DVD VIDE

10、O 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 sensitivity) Good earth ground such as a wate

11、r 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 a risk of electric shock to persons. The exc

12、lamation 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. CAUTION Use of controls or adjustments or performance of procedures other than herein may result i

13、n hazardous radiation exposure or other unsafe operation. POWER/IR/CHR Power /remote sensor /charging indicator. POWER Switches the player on / off 3.0 INSTRUCTIONS FOR USE 1 2 3 16 12 8 9 10 Confirms selection Press once to stop playback and store the stop position. Press twice to stop playback com

14、pletely. Headphones jack 11 A/V OUT Audio/video output jack DVD PLAYER LAYOUT PHONES 1 & 2 A/V IN USB Audio/video input jack USB connector - VOL + OPTION MENU Access additional functions. Volume control. Search backward ( ) or search forward ( ). Display MUNE page. Up / down / left / right cursor 4

15、Start / pause / resume playback OPEN Opens disc door to insert or remove disc 15 OK Confirm seletion DC IN 9V Power supply socket RESET Reset the player when it is hanged up. 14 13 COAXIAL Digital Audio output jack 1 2 3 7 4 8 9 5 6 1011 12 1314 15 16 / 5 6 7, , , Car mounting screw hole SUBTITLE Su

16、btitle language selector. REMOTE CONTROL 1 7 4 16 12 8 9 10 For VCD menu page. 11 A - B To repeat or loop a sequence in a title. RETURN SETUP OPTION Enter SETUP menu. Access additional functions. 0 - 9 Access additional functions. VOL +/- Volume control. Numeric keypad. Up / down / left / right navi

17、gation key. Start / pause / resume playback MENU Display MENU page. 15 OK Confirm seletion. Mute player volume AUDIO Audio language selector. ZOOM Enlarge video image. 14 13 Skip to next chapter, track or title. 5 6 DISPLAY Adjust the display value of the system. Skip to previous chapter, track or t

18、itle. 3 2, , , 2 5 3 4 1 6 7 8 9 10 11 12 13 14 15 16 4.0 MECHNICAL INSTRUCTIONS Fig.1 soldered 1. Back side of the set as shown in Fig.1 Remove the screws on the base cover. 2. Soldered short pattern for laser diode as shown in Fig.2 3. Fig.2 Remove the screws on button PCB board as shown in Fig.3

19、Disconnect the flex from TFT LCD. Disconnect the flex from DVD loader & PCB boards. Fig.3 4. Then it will able to remove DVD loader and main PCB and Lithium battery as shown in Fig.4 Fig.4 5. Remove speaker grill and screw cushion on display frame as shown in Fig.5 Fig.5 6. Remove the screws on disp

20、lay frame as shown in Fig.6. 8. Disconnect the flex between IF board, power board and TFT LCD. Remove the screws on IF board, power board and TFT LCD. As shown in Fig.8. 7. Fig.6 Remove the screws on IF board as shown in Fig.7. Fig.7 Fig.8 5.0 TROUBLESHOOTING no replace cable/ adapter SYMPTOM: NO PO

21、WER, NO GREEN LED Check if the power cable and AC adapter OK? No defect, return set to customer yes start set OK? Check if the power and play button OK? replace connector and switch unit replace MAIN BOARD go to other SYMPTOM no yes yes no replace DVD drive SYMPTOM: NO IMAGE OR SOUND COMES OUT FROM

22、THE EXTERNAL OUTPUT start Check operation of the DVD drive. Does the DVD drive work? yes no Replace the main board or the connector 5.0 TROUBLESHOOTING no SYMPTOM: THE INITIAL SCREEN IS NOT DISPLAYED ON THE LCD Check if the LED on the front lights up? start Check if the backlight is OK? Check if the

23、 lighting of the LCD is OK? Open the top and bottom assembly to check the connector harness Open the top and bottom assembly to check the connector to the main board yes yes no no yes Refer to the symptom NO POWER, NO GREEN LED Is the connector harness broken? Replace broken harness yes Remove the L

24、CD cover and plate of the LCD unit to check the connector of the FL harness Is the connector OK? no Repair connector Replace FL inverter or LCD no yes Is the connector broken? Replace LCD harness or main board yes Remove the LCD cover and plate of the LCD unit to check the connection of the harness

25、to the LCD unit no Is the connection OK? Connect the LCD harness to the LCD unit no Replace LCD unit or main board yes Replace LCD unit or main board SYMPTOM: NO IMAGE OR SOUND COMES OUT FROM THE EXTERNAL INPUT start Replace the main board or the connector 5.0 TROUBLESHOOTING SYMPTOM: THE DVD DRIVE

26、DOES NOT WORK start Check the optical pick up lens? yes Pick up lens does not light up at all Press the DISC cover switch at the center of the DVD player and turn on the power. Then check whether or not the optical pick- up lens of the DVD drive lights. CAUTION: Visible laser radiation when open and

27、 interlock defeated. Do not stare into Laser beam. Replace DVD drive Pick up lens light up dim Check the connectors of the DVD drive and main board? OK Secure the connection of the DVD drive and main board Not OK Pick up lens light up OK Insert a DVD disc and turn on the power What is the reaction o

28、f the DVD drive? The DVD drive works but the initializing operation of the optical pick-up lens does not start (the optical pick-up lens operates twice), or abnormal noise sound Replace DVD drive or main board DVD drive does not work The operation of the DVD player stops at initializing display. Is

29、there any message shown on display oading?displayed Nothing on display Check the DVD disc for fingerprints, dirt, HECK DISK?displayed Is the DVD disc OK? DVD disc OKDVD disc dirty No defect, return set to customer Does the image output stop during the operation? yes no 5.0 TROUBLESHOOTING Secure the

30、 connection of the battery harness inside the DVD player SYMPTOM: THE DVD DRIVE DOES NOT OPERATE WITH BATTERY start Is the connection of the battery OK inside the DVD player? yes no Replace main board Replace batteryyes Install a good battery does the LED lights up orange while the AC adapter is con

31、nected and does the DVD drive operate OK? NOTE: - For this check, use a battery which is not fully charged (because the LED does not light when the battery is fully charged.) - Before this check, make sure other function work correctly. no SYMPTOM: NO SOUND COMES FROM THE HEADPHONES start Replace ma

32、in board yes Insert a good headphones and check if the problem persist? Customer headphones defective no RF AMP & SERVO & DVD PROCESSOR MPEG-2 DECODER & VIDEO ENCODER MT1389DE/H-L 6.0 OVERALL BLOCK DIAGRAM (for PET730/732) AC Adapter DC IN +9V DC / DC (BQ24103)(TPC8212)(S-8232) 110240V 50/60Hz BATTE

33、RY DV23FB PU mechanism DRIVER (SA5954) FlashROM KH29LU60CBTC-70G 64M SDRAM HY57V641620ETP-H TC7W5327MHz AUDIO D/A (AK4388) MX88V462UCGTFT MONITOR AUDIO AMP (AZ4558) TC74HC4052AFT HWD4863 74HCU04 27MHz VIDEO OUT AUDIO OUT PHONE OUT SPEAKER LOUT SPEAKER ROUT L R L R DRIVER +5V +5V AUDIO +/-5V +5V +3.3

34、V +1.8V AUDIO +5V TFT POWER +3.3V +5V +16V -13V COAXIAL OUT VIDEO IN AUDIO IN RF AMP & SERVO & DVD PROCESSOR MPEG-2 DECODER & VIDEO ENCODER MT1389DE/H-L 6.0 OVERALL BLOCK DIAGRAM (for PET735) AC Adapter DC IN +9V DC / DC UPD 6100 (TPC8212)(S-8232) 110240V 50/60Hz BATTERY DV23FB PU mechanism DRIVER (

35、SA5954) 16M FlashROM MX29LV160CBTC-70G 128M SDRAM HY57V281620ETP-H-C TC4W5327MHz AUDIO D/A (AK4388ET) MX88V462UCGTFT MONITOR AUDIO AMP (UTC4558) TPA6011 74HCU0427MHz VIDEO OUT USB AUDIO OUT HEAD PHONE OUT HEAD PHONE OUT SPEAKER LOUT SPEAKER ROUT L R L R DRIVER +5.5V +5V +3.3V AUDIO +/-5V +5V +3.3V +

36、1.8V AUDIO +5V TFT POWER +3.3V +5V +2.5V +16V -10V COAXIAL OUT VIDEO IN AUDIO IN MT8606 32.768MHz 1.8V 3.3V DVB DEMO DNOS504MM022A MC9508 QG4 REMOTE (INT) KEY PAD (INT) +5V RF AMP & SERVO & DVD PROCESSOR MPEG-2 DECODER & VIDEO ENCODER MT1389DE/H-L 6.0 OVERALL BLOCK DIAGRAM (PET738) AC Adapter DC IN

37、+9V DC / DC UPD6100 (BQ24103)(TPC8212)(S-8232) 110240V 50/60Hz BATTERY DV23FC PU mechanism DRIVER (CMD5954) 16M FlashROM KH29LV160CBTC-70G 64M SDRAM HY57V641620ETP-7-C TC4W5327MHz AUDIO D/A (AK4388) MX88V462UCGTFT MONITOR AUDIO AMP (AZ4558) 74LV4052PW TPA6011 HIGH VOLTAGE ASSY 74HCU04 27MHz VIDEO OU

38、T AUDIO OUT PHONE OUT SPEAKER LOUT SPEAKER ROUT L R L R DRIVER +5V +5V AUDIO +/-5V +5V +3.3V +1.8V AUDIO +5V TFT POWER +3.3V +5V +2.5V 8.8V +16V -10V COAXIAL OUT DC 9V OSCILLATOR OZ9RR VIDEO IN AUDIO IN 1 2 3 4 5 6 7 8 9 10 OUT2 OUT1 OUT0 IN4 IN3 IN2 IN1 IN0 GND POW-DET 1 2 3 4 5 6 7 8 9 10 1 2 3 4

39、5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 C/C B/B RF CD/DVDSW A/A D/D GND F LD/VCC V20 E LD/CD GND LD/DVD NC VCC MD NC VRDVD VD/CD F- T+ T- F+ 1 2 3 4 5 6 1 2 3 4 5 6 LIMIT GND SL+ SL- SP- SP+ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 10 11 12 13 1

40、4 15 16 17 18 19 20 21 22 23 24 1 2 3 4 GND POWERSAV TFTON TFT5V 1 2 3 4 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 XS6 XS008 XS1 FUNCTION BUTTON PCB LOADING MAIN PCB LCD POWER PCB JS2 XS7 VCOMS TFT-13V SPIO NC NC CLD MOD1 GND NC GND NC GND R G B TFT5V TFT5V GND

41、 GND TFT+16V NC GND GND MODE2 CLS SPS NC GND TFT3.3V TFT3.3V TFT5V TFT5V TFT3.3V TFT3.3V NC GND SPL+ SPL- SPR- SPR+ GND GND NC NC RESET462 SCL SDA GND VIDEO IN GND C Y GND GND 1 2 3 4 5 6 7 1 2 3 4 5 6 7 BATT+ BATT+ BATT+ THM GND GND GND XS4 BATTERY 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

42、 21 22 23 24 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 IF PCB I1 XS2 XS3 XS5 XS8 7.0 OVERALL WIRING DIAGRAM (for PET730/732) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 C/C B/B RF CD/DVDSW A/A D/D GND F LD/VCC V20 E LD/CD GND LD/DVD NC VCC MD

43、 NC VRDVD VD/CD F- T+ T- F+ 1 2 3 4 5 6 1 2 3 4 5 6 LIMIT GND SL+ SL- SP+ SP- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 GND POWERSAV TFTON TFT5V 1 2 3 4 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 1

44、2 11 10 9 8 7 6 5 4 3 2 1 XS008 FUNCTION BUTTON PCB LOADING MAIN PCB LCD POWER PCB XS6 COM# -13V SPIO CPH1 CPH1 CPH1 MOD1 GND L/R# GND NC GND R G B TFT5V TFT5V GND GND +16V -13V GND GND MOD2 CLS SPS U/D# GND TFT3.3V TFT3.3V TFT5V TFT5V TFT3.3V TFT3.3V NC GND SPL+ SPL- SPR- SPR+ GND GND PWM TFTON RES

45、ET462 SCL# #SDA GND VIDEO IN GND C Y GND GND 1 2 3 4 5 6 7 1 2 3 4 5 6 7 BATT+ BATT+ BATT+ THM GND GND GND BATTERY 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 IF PCB XS3 XS8 7.0 OVERALL WIRING DIAGRAM

46、 (for PET735/PET738) 1 2 3 4 KEYAD1 KEYAD0 POWERKEY GND 1 2 3 4 XS4XS5 XS2 JS2 XS7 I2 XS20 8.0 ELECTRICAL DIAGRAM (for PET730/732) MAIN BOARD CIRCUIT DIAGRAM (MT1389HD) FIDPSA 6. .3_OIPG #RWP 12. .0A RA_98 KCBA 4P1V 3DDVS NIDA NIDA ATADPS KCRLA 3. .0TADSA 3DDVLLPA OOF ADS 33VFR CCVRI OSRT LCS SLA_98

47、 2. .0TADSA OMF 6. .1VUY EKCD #TSRU #ECP #CNYSH DDVCADA 7. .0DA OSMF KLCMPS -PO KCRLA OSRT #SC RTC_98 VLSIZET XI OX OSMF 4P1V 81VFR OSMD 1. .0AB KLCA WS_98 ADSV #EW KCBPS #CNYSV LA_98 +PS BTSV YBTSOSOF 1. .0MQD OMD #SAC +LS XO -PS 7VUY 91. .0_OI V1P4 KCSV OSMD 51. .0QD SRA_98 3DDVCAD 11. .0AM IX ORT

48、 KLCD 81V #DRP -LS #SAR -PS OSOF WSTFT 1CCVRD CCV/DL 02V F E +F +F +T +T -T -T -F -F CCV WSDVD/DC CD/DVD DC/DV DVDRV VCC OFR C/C D/D B/B A/A DM DC/DL DC/DL 1MQD 0AB KLCD 11AM 1_OI #CNYSV AD5 A10 8A A14 F 21QD MBSU DACVDD3 ASDAT2 5AM 6_OI 7_OI DQM0 TFT ON PRD# A20 9QD ASDAT0 GPIO_4 #SAR 6AM 0_OI DQ3

49、IR A17 11QD NIDA #EW 3DDVCAD #OEDIV DQ6 ICE PWDN# A1 8P2V ADACVDD 89_CTR AUX-SW BAT 89_AL #SC 1AB 4VUY INT0# SDA A16 AD4 A13 OET FERV LED_CON 3AM 6VUY DQ0 DQ5 CD/DVD RESET# DQ4 SCL VSCK PWR# AD2 02V 4P1V 3DDVCAD B/B ASPDIF ABCK APLLVDD3 7AM 4AM TXD UWR# 2A VREF ACLK 0AM BIGHTCON 81V A9 OMD RI 31QD AD7 PBSU SPDATA 5VUY C 91A +PO SF 89_ALS TFTSW RFV18 PLLVDD3 RFVDD3 TIMIL 0VUY 7VUY 8QD 3A AD1 3DDVFR ALE 2VUY 2_OI 3DDVCAD DQ14 RXD VSDA A0 5A GPIO_5 DQ1 PCE# A21 81A A11 OEF