Philips-PET-708-Service-Manual(1) 电路图 维修手册.pdf

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1、DVD Portable Player PET708 All version 3141 785 31663 Version 1.3 TABLE OF CONTENTS Chapter Technical Specification1 Safety Instructions. 2 Instruction for Use 3 Mechanical Instructions. 4 Troubleshooting fr Reparaturen sind Original-Ersatzteile zu verwenden. I Le norme di sicurezza esigono che lapp

2、arecchio venga rimesso nelle 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. Th

3、e leakage current must not 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 suojaluk

4、ituksen ohitettaessa olet alttiina nkymttmlle laseristeilylle. l katso steeseen! DKAdvarse ! Usynlig laserstrling ved bning nr sikkerhedsafbrydere er ude af funktion. Undg udsaettelse for strling. RadioFans.CN 收音机爱 好者资料库 When?the?power?supply?is?being?turned?on,?you?may?not?remove?this?laser?caution

5、s?label.?If?it?removes,?radiation?of?laser may?be?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?

6、replacement, its?life?might?be?shortened.?When?replacing,?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

7、?for?body. Conductive?mat The?ground?resistance 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 1

8、500 10W resistor,paralleled by a 0.15uF 150V AC 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 t

9、he AC voltage across the 1500 resistor. The test 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.

10、Repeat the above test with the DVD VIDEO PLAYER 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

11、0.15uF 150V AC 1500 10W (5000 per volt or more sensitivity) 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 th

12、at may be of sufficient magnitude to constitute 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. CAUTIO

13、N Use of controls or adjustments or performance of procedures other than herein may result in hazardous radiation exposure or other unsafe operation. POWER/CHR/IR Power and charging indicator / remote sensor POWER Switches the player on / off 3.0 INSTRUCTIONS FOR USE 1 2 3 6 7 8 9 10 , , Up / down /

14、 left / right cursor OK Confirms selection 3 45 6 Press once to stop playback and store the stop position. Press twice to stop playback completely. B To repeat or loop a sequence in a title PLAY-MODE Selects play order options 7 0 - 9 Numeric keypad 8 MUTE Muting play volume REPEAT Repeats chapter /

15、 title / disc 9 RETURN For VCD menu page ANGLE Selects DVD camera angle SUBTITLE Subtitle language selector LANGUAGE Language selector MENU Displays MENU page SETUP Enters SETUP menu Remote Control 3 4 Up / down / left / right cursor Confirms selection On Screen Display on / off INFRA RED PORT BATTE

16、RY COMPARTMENT 10 11 12 13 14 Pause playback Press twice to stop playback ; / For previous ( ) or next ( ) chapters, tracks or titles 9: 9: / Search backward ( ) or search forward ( ) 78 7 8 Starts / resumes playback 4 VOLUME Volume control 4 4.0 MECHNICAL INSTRUCTIONS PET708 Fig.1 1. Back View as F

17、ig.1 Remove screws to remove base 2. Soldered short pattern for laser diode as Fig.2 3. Fig.2 Remove DVD driver and every PCB board as Fig.3 Broken connection of DVD driver and every PCB board Remove DVD driver and main PCB and function PCB. Fig.3 4. Fig.4 5. Remove top cover as Fig.5 Fig.5 Broken c

18、onnection of speaker and IF board and power board. Remove screws to remove TFT board shield and IF board and power board and LCD TFT as Fig.5. soldered 5.0 TROUBLESHOOTING & SERVICE TIPS Procedure to change regioncode 1.Power on player and open DVD Door. 2.Press at Remote Control. In select then pre

19、ss . 3.For PET708 - Press successively 2 1 2 2 2 5. . . 4.Display will show for Europe: 5.Press key to input preference region code (see below table). 6.Switch off and re-switch on the product. Verify Region code change done.7. Region CodeRegion 1USA 2EUROPE 3ASIA PACIFIC 4 AUSTRALIA, NEW ZEALAND, L

20、ATAM 5 RUSSIA, INDIA 6 CHINA REMARKS: 1. Password is CONFIDENTIAL. 2. Region code is printed on product type plate. Due to DVD legislation region codes different to assigned region may not be released. 5.0 TROUBLESHOOTING & SERVICE TIPS no replace cable/ adapter SYMPTOM: NO POWER, NO GREEN LED Check

21、 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 THE EXTERNAL OUTPUT sta

22、rt Check operation of the DVD drive. Does the DVD drive work? yes no Replace the main board or the connector 5.0 TROUBLESHOOTING & SERVICE TIPS 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 lightin

23、g 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 LCD cover

24、 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 to the L

25、CD 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 & SERVICE TIPS SYMPTOM: THE DVD

26、 DRIVE 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 o

27、pen and 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 rea

28、ction of 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 displ

29、ay. Is 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 &

30、 SERVICE TIPS Secure the 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 whi

31、le the AC adapter is connected 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 HEA

32、DPHONES start Replace main 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 MT1389QE/D-L 6.0 OVERALL BLOCK DIAGRAM AC Adapter DC IN DC / DC BD9303 (BQ24103)(TPC8207)(S-8232) 110240V 50

33、/60Hz BATTERY KHM-252C PU mechanism DRIVER (SA5954) 8M FlashROM KH29LV800CBTC-70G 64M SDRAM HY57V641620ETP-7-C TC4W5327MHz AUDIO D/A (PCM1754) MX88V462UCGTFT MONITOR AUDIO AMP (UTC4558) TPA6011 74HCU04 27MHz VIDEO OUT AUDIO OUT PHONE OUT SPEAKER LOUT SPEAKER ROUT L R L R DRIVER +5V +5V AUDIO +/-5V +

34、5V +3.3V +1.8V AUDIO +5V TFT POWER +3.3V +5V +2.5V +16V -13V COAXIAL OUT VIDEO IN AUDIO IN 1 2 3 4 5 6 7 8 9 10 OUT1 OUT0 IN0 OUT2 IN1 IN2 IN3 IN4 GND POW-KEY 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 F- F+ T+ T- C D CD/DVDSW RFO A B F GND V20 +P5V E NC VR/C

35、D VR/DVD LD/DVD MD VCC NC LD/CD GND 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 BRIGHT-CON TFTON TFT5V 1 2 3 430 29 28 27 26 25 24 23 22 21 20 19 18 17 16 1

36、5 14 13 12 11 10 9 8 7 6 5 4 3 2 1 XS6 FUNCTION BUTTON PCB LOADING LCD POWER PCB XS1 TFT3.3V TFT3.3V GND TFT3.3V SPS CLS MOD2 GND GND VGL VGH_+16V GND GND TFT5V TFT5V B G R GND NC GND TFT3.3V GND MOD1 CLD NC NC SPIO VEE_-14.5V COM VCC VCC VDD33 VDD33 NC GND SPL+ SPL- SPR- SPR+ GND GND PWM NC RESET S

37、CL SDA GND CVBSIN GND C-OUT Y-OUT 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 I2 JX1 XS5 7.0 OVERALL WIRING DIAGRAM XS8 XS

38、3 JS5 XS2 XS1 JS002 JS2 JS1 JS6 JS3 XS2 2 1 XS4 IF PCB A18 OP- A19 OP+ A2 PWR# V1P4 ACLK V2P8 A19 MA10 DQM1 DQM0 RXD FLASH3V3 CKE XTALI TXD MA11 MA9 MA8 MA7 MA6 MA5 CS# RAS# CAS# MA4 WE# MA3 MA2 MA1 MA0 DQM0 DQ7 DQ6 DQ5 DQ4 DQ3 DQ2 DQ2 DQ0 DQ5 DQ1 DQ6 DQ3 DQ4 DQ9 DQ11 DQ8 DQ13 DQ10 DQ12 DQ7 DQ14 DQ1

39、5 DQ1 DQ0 BA0# DQ15 CLK BA1# DQ14 PCE# DQ13 DQ12 DQ11 DQ10 DQ9 DQ8 DQM1 SDRAM3V3 MA10 MA0 MA1 IN2 IN1 MA2 OUT2 IN3 MA3 CKE MA11 MA9 MA8 MA7 MA6 MA5 MA4 A0 SPDIFOUT# RFO V1P4 A3 A6 A7 A8 A4 A5 A16 A11 A10 A15 A14 PWR# A13 A12 D2 A1 A9 POE# D0 PCE# D1 D7 D3 D4 A17 D5 A0 D6 OUT3 OUT0 BA0 BA0# BA1#BA1 C

40、LK CS RAS CAS CS# RAS# CAS# WE WE# D6 D5 D4 D7 D1 A4 D0A1 D3 A2 D2A3 A12 A9 A10 A5 A6 A11 A7 A8 A17 A18 A13 A14 A15 A16 PCE# PWR# ABCK SPDIFOUT A8 OUT1 POE# RESET IN0 OPO V20 SPDIFOUT BATTERY Y_OUTY_OUT#C_OUT#C_OUT CVBSIN# SDA#SDA SCL#SCL RESET#RESET TFTON/OFF cpu_3v33V8 REST SCL POWER_KEY MCU_VDD M

41、CU_VDD GND SPL+ SPL- SPR- SPR+ GND GND VOL RESET# SCL# SDA# GND CVBSIN# GND C_OUT# Y_OUT# GND TFTSW TFTON/OFF DC/BATTERY DCC AVIN-DET CLK EN V2P8 VIDEO# +P5V DV33 SCL SDA Y_OUT PLLVDD3 RFVDD3 OPO PLLVDD3 AV-OUT RFVDD3 DVDA DVDB DVDD DVDC REST RFVDD3 V18 LIMIT RFO APLLVDD3 APLLVDD3 V18 C_OUT A D B C

42、CLOSESW BATTERY V2P8 V2P8 V20 V1P4 DV33 ABCK DV33 ACLK V18 ADINOPO ACVDD3 OP- ACVDD3 DVD/AUX CD/DVDSW SCL DC/BATTERY SDA ALRCK OP- OP+ ASDATA #DMSO FMO V18 TFTON AV-OUT TFTSW E XTALI F IR MD LDO2 LDO1 JITFO JITFN JITFN SPDIFOUT# JITFO CLOSESW TFTSW TRO ADIN FOO IR ADACVDD3 TXD RXD RXD TXD ADACVDD3 R

43、EST DACVDD3 DACVDD3 DACVDD3 DACVDD3 STBY V18 +P5V DV33 DV33 DV33 DV33 DV33 DV33 DV33 DV33 DCIN# DV33 +P5V CVBSIN VCC TFT3V3 +P5V +P5V DV33 DCC 3V8 TFT3V3 DV33 TFT5VVCC BRIGHT_CON BRIGHT_CON TFTON LED_5V TFT5VLED_5V V1.7 POWER SAVING MCU IR LED INTERFACE CB38 100N CB38 100N R45 10K R45 10K CB40 100N

44、CB40 100N 4 4 5 5 1 1 2 2 3 3 N1 FMC3 N1 FMC3 L5 601H L5 601H CB11100NCB11100N CB33 1N CB33 1N CB34 100N CB34 100N VCC 1 DQ0 2 DQ1 4 VSSQ 12 DQ2 5 DQ3 7 VCCQ 9 DQ4 8 DQ5 10 VSSQ 46 DQ6 11 DQ7 13 DQML 15 WE 16 CAS 17 RAS 18 CS 19 A11 35 A10/AP 22 A0 23 A1 24 A2 25 A3 26 VCC 14 VSS 41 A4 29 A5 30 A6 3

45、1 A7 32 A8 33 A9 34 NC 36 CKE 37 CLK 38 DQMH 39 NC 40 VCCQ 43 DQ8 42 DQ9 44 VSSQ 52 DQ10 45 DQ11 47 VCCQ 49 DQ12 48 DQ13 50 DQ14 51 DQ15 53 VSS 54 BA0/A13 20 BA1/A12 21 VCCQ 3 VSSQ 6 VCC 27 VSS 28 N7 64MSDRAM N7 64MSDRAM C31 100N C31 100N C22 100N C22 100N D3 ISS355 D3 ISS355 R32 4K7 R32 4K7 CB10 5P

46、1 CB10 5P1 C9 10U/10V C9 10U/10V L10 601H L10 601H 12 G1 27M G1 27M R29 10K R29 10K DVDA 2 CRTPLP 210 DVDB 3 DVDC 4 DVDD 5 AGND 1 OSP 212 OSN 213 DVDRFIP 6 DVDRFIN 7 MA 8 MB 9 MC 10 MD 11 SA 12 SB 13 SC 14 SD 15 CDFON 16 CDFOP 17 TNI 18 TPI 19 MDI1 20 MDI2 21 LDO2 22 LDO1 23 AVDD3 216 V2REFO 28 SGND

47、 27 VREFO 30 V20 29 TEO 32 FEO 31 FG/ADIN1 43 RFLVL/RFON 26 CSO/RFOP 25 TEZISLV 33 OP_OUT 34 OP_INN 35 OP_INP 36 FOO 42 TRO 41 HSY 45 TFTRESET 39 PWMOUT1/ADIN0 40 STBY 46 FMO 38 DMO 37 HIGHA4 65 HIGHA5 64 HIGHA7 62 DVDD3 61 A16 60 IOWR# 59 DVDD3 58 IOA6 52 AD6 81 AD2 77 AD1 76 IOA18 55 DVSS 74 IOOE#

48、 73 IOA1 72 DVSS 71 HIGHA6 63 ALE 83 IOA7 53 HIGHA0 54 IOCS# 70 IOA19 57 IOA21 82 AD0 75 HIGHA3 66 HIGHA1 68 AD5 80 IOA20 69 DVSS 56 HIGHA2 67 DVDD18 84 AD7 85 A17 86 DVDD3 87 IOA0 88 UWR# 89 URD# 90 UP1_2 91 UP1_3 92 YUV_CLK 93 UP1_4 94 UP1_5 95 IR 106 UP1_6 96 DVSS 97 ADCVDD3 204 ADCVSS 205 UP1_7

49、98 UP3_0 99 UP3_1 100 UP3_4 101 UP3_5 102 YUV_D3 103 ICE 104 PRST# 105 INT0# 107 DVDD3 108 ACLK 162 ABCK 161 DVSS 160 GPIO5 159 GPIO4 158 GPIO3 157 DVDD18 156 RA4 155 RA5 154 RA6 153 RA7 152 DVDD3 151 RA8 150 RA9 149 RA11 148 CKE 147 RCLK 146 DVSS 145 RA3 144 DVSS 143 RA2 142 RA1 141 RA0 140 RA10 139 BA1 137 DVDD3 138 BA0 136 RCS# 135 RAS# 134 DVDD18 133 CAS# 132 RWE# 131 DVSS 130 DQM1 129 RD8 128 RD10 126 RD9 127 RD11 125 RD12 124 DVDD3 123 RD13 122 RD14 121 DVSS 120 RD0 118 RD15 119 RD1 117