Philips-PET-2008-93-Service-Manual(1) 电路图 维修手册.pdf

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1、DVD Portable Player PET2008/93 3141 785 32630 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 nelle condizioni originali e che siano utilizzati i pezzi di ricambio iden

2、tici 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 110 03420 GBWarning ! Invisib

3、le 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 katso steeseen! DKAdvarse ! Usyn

4、lig 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?OF?SERVICING Pickup?Head?consi

5、sts?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?iron?with?ground?wire,etc.?to p

6、rotect?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?less?than?10 1M SAFTY NOTICE Pl

7、ug 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 (water pipe, conduit, etc.) a

8、nd 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 then repeated with the AC sw

9、itch 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 VIDEO PLAYER TO THE CUSTOMER WITH

10、OUT 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 water pipe, conduit, etc. The lig

11、htning 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 exclamation point within an equi

12、lateral 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 in hazardous radiation exposur

13、e 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 completely. Headphones jack 11 A

14、/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 Start / pause / resume playba

15、ck 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 Subtitle language selector. REM

16、OTE 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 navigation key. Start / pause / r

17、esume 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 title. 3 2, , , 2 5 3 4 1 6 7

18、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 Disconnect the flex from TFT

19、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 display frame as shown in Fig.6.

20、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 POWER, NO GREEN LED Check if th

21、e 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 THE EXTERNAL OUTPUT start Che

22、ck 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 lighting of the LCD is OK? O

23、pen 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 LCD cover and plate of the LCD

24、 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 to the LCD unit no Is the con

25、nection 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 DOES NOT WORK start Check the

26、 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 interlock defeated. Do not s

27、tare 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 of the DVD drive? The DVD driv

28、e 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 there any message shown on di

29、splay 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 connection of the battery ha

30、rness 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 connected and does the DVD drive

31、 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 main board yes Insert a good he

32、adphones 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 (PET738) AC Adapter DC IN +9V DC / DC UPD6100 (BQ24103)(TPC8212)(S-8232) 110240V 50/60Hz BATTERY DV23FC PU mechanism DRIVER

33、 (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 OUT AUDIO OUT PHONE OUT SPEAKER LOUT SPEAKER ROUT L R L R DRIVER +5V +5V AUDIO +/-5V +5V +3.3V +1.8

34、V 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 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

35、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 12 11 10 9 8 7 6 5 4 3 2 1 XS008 FUNCTION BUTTON PCB LOADIN

36、G 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 RESET462 SCL# #SDA GND VIDEO IN GND C Y GND GND 1 2 3 4 5 6 7

37、 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 (for PET735/PET738) 1 2 3 4 KEYAD1 KEYAD0 POWERKEY GND 1

38、2 3 4 XS4XS5 XS2 JS2 XS7 I2 XS20 8.0 ELECTRICAL DIAGRAM (PET738) MAIN BOARD CIRCUIT DIAGRAM (MT1389HD) PWR# A0.21 ABCK SVDD3 FG ALRCK APLLVDD3 FOO TRSO #SCL/MC FMO DCKE PCE# ADACVDD AD0.7 FMSO OP- TRSO CS# FMSO V1P4 RFV18 DMSO ACLK WE# SP+ STBYFOSO DMO CAS# SL+ V1P4 DMSO DQ0.15 MA0.11 TRO DCLK V18 P

39、RD# SL- RAS# SP- FOSO B/B RF A/A D/D F+ F+ T+ T+ T- T- F- F- CD/DVD LD/DVD VCC F LD/VCC V20 E LD/CD VCC LD/DVD DQM1 BA0 DCLK MA11 AD5 A10 A8 A14 F DQ12 DACVDDB MA5 DQM0 PRD# A20 AD DQ9 RAS# MA6 DQ3 A17 DQ11 FG WE# DACVDDB DQ6 ICE A1 V2P8 ADACVDD AUX-SW CS# BA1 #SDA/MD A16 AD4 A13 TEO MA3 DQ0 DQ5 CD/

40、DVD DQ4 #SCL/MC PWR# AD2 V20 B/B ABCK APLLVDD3 MA7 MA4 TXD A2 VREF ACLK V18 A9 DMO DQ13 AD7 $247 COUT A19 OP+ ASDATE0 TFTSW PLLVDD3 LIMIT DQ8 A3 AD1 DACVDDB DQ14 RXD #RESET A0 A5 DQ1 PCE# A21 A18 A11 FEO LD01 C/C A4 STBY AD6 MA10 MA1 DCKE MA9 AD0 A6 TRO OPO FS ALRCK DQ15 AD3 CLOSESW RFLVL E DQ10 MA2

41、 INT/EXTBAT-I/O DQ2 DQ7 ASTB A15 FOO JITFNJITFO MD USB_DET CAS# YOUT ADCVDD3 A12 USBVDD JITFN LD02 JITFO OPO D/D OP- V1P4 FMO A/A A7 MA8 LD/CD LD02 LD01 VD/CD MD CD/DVDSW SL+ SL- SP+ LIMIT $247 RF DRVCC1 V20V2P8 V1P4 V1P4 OP+ VREF FS RFV18 PLLVDD3 ADCVDD3 RFVDD3 AVDD3 RFV33 AVDD3 SVDD3 C/C VCCLD/VCC

42、 VRDVD RESET DV33 #SCL/MC #SDA/MD DV33 V1P4 V1P4 TFT3.3V 462SCL 462SDA COUT YOUT TFT5V ASDATE0 DQM0 DQM1 BA0 BA1 MA0 RFVDD3 SP- DV33 DACVDDB DV33 DV33 DV33 DRVCC1 V18 DV33 V18 DV33 V18 DRVCC1 V18 V18 DV33 DV33 5V5 DV33 V18 DV33 LDOVCC LDOVCC DVD5V DV33 DV33 DV33 DV33 DV33 DV33 TFT5V TFT5V TFT3.3V 1.

43、8V# DCLK4 PRD#4 A0.214 PCE#4 DQ0.154 CS#4 DCKE4 BA14 MA0.114 ACLK5 ALRCK5 WE#4 BA04 CAS#4 ASDATE05 AD0.74 PWR#4 ABCK5 #SCL/MC3 RAS#4 TFTON TFTON POWERSAVING 462SDA 462SCL SPR+ SPR- SPL- SPL+ VIDEO# RESET462 TVVIDEO USB_DET USBP USBM 1389REMIN TFTVIDEOIN RESET 27MHZ IO_3 IO_4 IO_5 IO_6 IO_7 SPDIFOUT

44、PWMO_462 DQM04 DQM14 USBCON 24 F+ AUDIO INTERFACE 5 1 16 22 VR-CD DVD-LD MD B/b 19CD-LD Vc(Vref)13 21 NC SANYO SF-HD60 VR-DVD 15 7 F- E 20 12 14 RF MEMORY A/a 6 F NC T+ GND-LD 18 HFM 2 11 CD/DVD SW 23 9 17 3 Vcc IIC FLASH 4 GND-PD C/c 10 D/d T- 8 TP81TP81 TP79TP79 + C29 10uF/10v + C29 10uF/10v TP80T

45、P80 TP239TP239 CB118 0.1uF CB118 0.1uF R300R300 TP207TP207 TP99TP99 TP217TP217 TP3TP3 TP60TP60 C008 0.1uF C008 0.1uF TP58TP58 VD381SS355VD381SS355 R60 4k7R60 4k7 R1239KR1239K TP177TP177 TP69TP69 12 CB75 100nF CB75 100nF TP23TP23 TP238TP238 CB135 100nF CB135 100nF C34 10uF/10V C34 10uF/10V L12601L126

46、01 TP216TP216 CB131 0.1uF CB131 0.1uF CB24 0.1uF CB24 0.1uF R56 10K R56 10K L23601L23601 CB79 0.1uF CB79 0.1uF CB90 0.1uF CB90 0.1uF C7222U/16VC7222U/16V C95 10uF/10v C95 10uF/10v R117 10K R117 10K C771uFC771uF TP227TP227 + C91 10uF/10v + C91 10uF/10v RFLV1RFLV1 R4115kR4115k TP247TP247 CB96 0.1uF CB

47、96 0.1uF C1000.1uFC1000.1uF C181uFC181uF TP19TP19 + C8 10uF/10v + C8 10uF/10v TP88TP88 C009 0.1uF C009 0.1uF C00100.033uFC00100.033uF R4720kR4720k L25 601 L25 601 +C121 10uF/10v +C121 10uF/10v R162 1R0 R162 1R0 TP229TP229 CB134 0.1uF CB134 0.1uF +C116 10uF/10v +C116 10uF/10v CB133 0.1uF CB133 0.1uF

48、C1772200pFC1772200pF R167 150k R167 150k R166 10k R166 10k TP176TP176 R169 20k R169 20k 6 5 4 3 2 1 XS008 53261-0690 XS008 53261-0690 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 TOP HA1 HEADER 24 SMD0.5 TOP TOP HA1 HEADER 24 SMD0.5 TOP TP96TP96 L10 601 L10 601 TP62TP62 C53 150pF C

49、53 150pF TP056TP056 CB120.1uFCB120.1uF R24 0 R24 0 R984R7R984R7 C024 0.1uF C024 0.1uF TP231TP231 TP86TP86 R163 150k R163 150k R99 4R7R99 4R7 TP248TP248 TP228TP228 TP235TP235 + C113 10uF/10v + C113 10uF/10v R490R490 C00130.047uFC00130.047uF TP208TP208 TP172TP172 CB30 0.1uF CB30 0.1uF C007 0.1uF C007 0.1uF R35 100k R35 100k + C96 10uF/10v + C96 10uF/10v R4820kR4820k TP50TP50 TP59TP59 A0 1 A1 2 A2 3 A3 4 SDA 5 SCL 6 NC 7 VDD 8 N8 24C02 N8 24C02 R165 680k R165 680k R43 0R5 R43