Philips-PET-720-Service-Manual(1) 电路图 维修手册.pdf

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1、DVD Portable Player PET720 All version 3141 785 30972 Version 1.2 TABLE OF CONTENTS Chapter Technical Specification 1 Safety Instructions 2 Instruction for Use3 Mechanical Instructions 4 Troubleshooting & Service Tips 5 Overall Block Diagram 6 Overall Wiring Diagram 7 Electrical Diagram 8 Component

2、Layout. 9 Exploded View Diagram & Service Part List.10 Revision List. 11 Service Manual OSD TEST CONFIGURATION SETUP Copyright 2005 Philips Consumer Electronics B.V. Eindhoven, The Netherlands All rights reserved. No part of this publication may by reproduced, stored in a retrieval system or transmi

3、tted, in any form or by any means, electronics, mechanical, photocopying, or otherwise without the prior permission of Philips RadioFans.CN 收音机爱 好者资料库 1.0 TECHNICAL SPECIFICATION General Dimensions (WxLxH) : 19.4 x 17.1 x 3.2 cm 7.6 x 6.77 x 1.3 inches Weight : 0.86 kg / 1.89 lb Power supply : DC 9V

4、 2.2A Power consumption : 30W Operating temp. range : 0 - 50C (32 122F) Laser wavelength: 650nm Video system : NTSC / PAL / AUTO Frequency response : 20Hz 20KHz 1dB Signal/noise ratio 85dB Audio distortion + noise 80(1KHz) Channel separation: 85dB Dynamic range 80dB Output Audio out (analog audio) O

5、utput level: 2V 10% Load impedance: 10K Video out Output level: 1Vp - p 20% Load impedance: 75 Current consumption DC-IN SUPPLY (9.0V) Battery Charging Current 1.2A typ. BATT. SUPPLY (7.2V) Power Off 0A Playback with TFT on 1.2A typ. Playback without TFT on 2.5hrs Headphone out (headphone output loa

6、d 2x16 ohm) Maximum output power : 10Mw Frequency response : 20Hz - 20kHz SNR (A-wght) : 80dB typ. THD (1kHz) : 1% Left-Right Channel Separation : 32dB typ. Left-Right Channel Balance : 1dB Supported disc type DVD video discs: Video CD: Audio CD : In addition, this unit can play DVD+R & DVD+RW and C

7、D-R & CD-RW that contains audio titles or MP3 or JPEG files. You cannot play disc other than the above listed. (CVD, CD-ROM, CD-Extra, CD-G and CD-I discs cannot be played on this DVD player) Software upgrades For the best performance of your DVD Portable. Check for latest software upgrades availabl

8、e. To check the software version of your DVD Portable. 1. Press the SETUP key to enter the setup menu. 2. Press RETURN and then press 1, 2 and 3 on the remote control. 3. The display will show the software version as the date of which the software was built on the bottom of the screen. E.g. 050303 P

9、rocedure on how to upgrade the software of the DVD Portable 1. Download the latest software from the Philips support site. 2. Unzipped the files and then burn it onto a CD ROM then playback the CD ROM on the DVD Portable. Pixel specification B To repeat or loop a sequence in a title PLAY-MODE Select

10、s play order options 7 0 - 9 Numeric keypad 8 MUTE Muting play volume REPEAT Repeats chapter / 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 ? Up / d

11、own / left / right cursor Confirms selection On Screen Display on / off INFRA RED PORT BATTERY COMPARTMENT 10 11 12 13 14 Pause playback Press twice to stop playback ? ? / For previous ( ) or next ( ) chapters, tracks or titles ? ? ? / Search backward ( ) or search forward ( ) ? ? ? ? Starts / resum

12、es playback ? VOLUME Volume control ? 4.0 MECHNICAL INSTRUCTIONS Fig.1 soldered 1. Back View as Fig.1 Remove screws to remove base 2. Disconnect key control wire and 20 pins harness, Remove screws to dismentle the plate, Soldered short pattern for laser diode as Fig.2 3. Fig.2 Remove DVD driver and

13、main board as Fig.3,4 Disconnect DVD driver and main board Fig.3 4. Remove key board and other parts as Fig.5 Fig.5 5. Remove top cover as Fig.6 Fig.4 Remove DVD driver and main board Fig.6 6. Disconnect speakers and IF board Remove IF board as Fig.7. 7. Fig.7 Remove TFT shield, HV board and LCD TFT

14、 as Fig.8,9. Fig.9 Fig.8 20 pins harness key control wire 5.0 TROUBLESHOOTING & SERVICE TIPS Procedure to change regioncode 1.Power on player and open DVD Door. 2.Press at Remote Control. In select . 3.For PET720 - Press successively 2 1 2 2 2 5. . . 4.Display will show for Europe: 5.Press key to in

15、put 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, LATAM 5 RUSSIA, INDIA 6 CHINA REMARKS: 1. Password is CONFIDENTIAL. 2. Region code is printed on product t

16、ype 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 if the power cable and AC adapter OK? No defect, return set to customer yes start set OK? Check if the p

17、ower 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 Check operation of the DVD drive. Does the DVD drive work? yes no Replace the main board or the connec

18、tor 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 lighting of the LCD is OK? Open the top and bottom assembly to check the connector harness Open the top and bott

19、om 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 unit to check the connector of the FL harness Is the connector OK? no Repair connec

20、tor 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 connection OK? Connect the LCD harness to the LCD unit no Replace LCD unit or main boar

21、d 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 DRIVE DOES NOT WORK start Check the optical pick up lens? yes Pick up lens does not light up at all Pres

22、s 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 stare into Laser beam. Replace DVD drive Pick up lens light up dim Che

23、ck 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 drive works but the initializing operation of the optical pick-up lens do

24、es 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 display oading?displayed Nothing on display Check the DVD disc for fing

25、erprints, 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 & SERVICE TIPS Secure the connection of the battery harness inside the DVD player SYMPTOM: THE DVD DRIVE DOE

26、S 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 operate OK? NOTE: - For this check, use a battery whi

27、ch 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 headphones and check if the problem persist? Customer he

28、adphones defective no RF AMP & SERVO & DVD PROCESSOR MPEG-2 DECODER & VIDEO ENCODER MT1389XE/D2-L 6.0 OVERALL BLOCK DIAGRAM AC Adapter DC IN +9V DC / DC (BQ24103)(TPC8207)(VG202C) 110240V 50/60Hz BATTERY DV23(HD80) PU mechanism DRIVER (BA5888) 8M FlashROM MX26LV008BTC-55G 64M SDRAM HY57V641620ETP-H

29、TC4W5327MHz AUDIO D/A (CS4345) MX88V462UCGTFT MONITOR AUDIO AMP (AZ4558) TC74HC4052AFT HWD4863 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 +1.8V AUDIO +5V TFT POWER +3.3V +5V +2.5V 8.8V +16V -10V COAXIAL OUT DC

30、9V OSCILLATOR OZ9RR VIDEO IN AUDIO IN 1 2 3 4 5 6 7 8 KEYIN0 KEYIN1 KEYIN2 KEYIN3 KEYOUT0 KEYOUT1 KEYOUT2 KEYOUT3 1 2 3 4 5 6 7 8 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 NC LD/VCC V20 GND F E CD/DVD SW RF C D B A VRCD VRDVD MD LD/CD GND LD/DVD NC VCC FCS- TRK+ TRK- FCS+ 1 2 3

31、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 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 3 4 HV GND BRIGHT TFT ON/OFF HV 1 2 3 4 30 29 28

32、 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 XS2 XS008 XS1 FUNCTION BUTTON PCB LOADING MAIN PCB LCD HV POWER PCB SWITCH PCB JS5 JS2 JS4 XS6 XS3 XS4 XS1 VCOMS TFT-16V SPIO NC NC CLD MODE1 GND VDD1 GND SPOI GND LCD R LCD G LCD B TFT5V TFT5V GND GND TFT+13V COMS GND GND MODE

33、2 CLS SPS VDD1 GND VDD3V3 VDD3V3 GND GND GND -14.5V GND +16.5V GND 3.3V 3.3V GND SPKL- SPKL+ SPKR- SPKR+ GND GND TFT ON/OFF BRIGHT-CO TFT-HV9V TFT-HV9V VCOMS GND 3.3V GND B G R GND MODE2 MODE1 SPOI SPIO SPS CLD NC CLS GND GND TFT +5V TFT +5V 1 2 3 1 2 3 DCIN POWER SW GND 1 2 3 4 1 2 3 4 BATT+ TS GND

34、 GND XS001 BATTERY 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 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 1 2 3 4 GND GND ISEN VSEN 1 2 3 4 IF PCB 7.0 OVERALL WIRING DIAGRAM 8.0 ELECTRICAL DIAGRAM MAIN BOARD CIRCUIT DIAGRAM (MPEG) A18 OP- A19

35、OP_INP A2 V1P4 ACLK CLK V2P8 CD/DVDSW A18 A19 MA10 DQM1 DQM0 WE# CAS# RAS# RXD CS# V2P8 CKE CLK TXD BA1 BA0 MA11 MA9 MA8 MA7 MA6 MA5 MA4 CS# RAS# CAS# WE# MA3 MA2 MA1 MA0 DQM0 DQ7 DQ6 DQ5 DQ4 DQ3 DQ2 DQ3 DQ6 DQ1 DQ2 DQ0 DQ5 DQ4 DQ9 DQ7 DQ10 DQ13 DQ11 DQ8 DQ14 DQ12 DQ15 DQ1 DQ0 DCLK IN1 DQ15 DQ14 PCE

36、# DQ13 DQ12 DQ11 DQ10 DQ9 DQ8 DQM1 ABCK IN2 BA0 IN3 BA1 MA10 MA0 MA1 MA2 MA3 CKE YUV3 MA11 MA9 MA8 MA7 MA6 MA5 MA4 CS# RAS# CAS# WE# RFO V1P4 A3 A4 A5 A6 A7 A8 PWR# A16 A15 A14 A13 A12 A11 A10 A9 A20 PCE# A1 POE# D0 D1 D2 D3 D4 D5 D6 D7 A17 A0 D7 D6 D5 D4 D3 D2 D1 D0A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10

37、 A11 A12 A13 A14 A15 A16 A17 PCE# POE# PWR# PWR# A20 IN0 OPO V20 UWR C/CC# DVDA DVDB B/BB# DVDC A/AA# DVDD D/DD# V20 DV33 VIDEO# DV33 #SCL #SDA PLLVDD3 RFVDD3 PLLVDD3 RFVDD3 DVDA DVDB DVDC DVDD REST RFVDD3 LIMIT RFO APLLVDD3 APLLVDD3 V18 C# B# A# D# CLOSESW TFTON/OFF V2P8 V2P8 V20 V1P4 #SCL DV33 #SD

38、A DV33 DV33 ABCK ACLK DV33 V18 FG OP- OPO ACVDD3 ACVDD3 CD/DVDSW OPO ALRCK OP- OP_INP ASDADA #DMSD FMO A-MUTE V18 YUV5 YUV6 BATTER-DET E F 27MHZ V18 IR MD LDO2 LDO1 JITFO JITFN JITFN SPDIFOUT JITFO DV33 DV33 INSW TFTSW TRO FOD FG +P5V IR ADACVDD3 DV33 RXD TXD TXD RXD DV33 ADACVDD3 REST DACVDD3 DACVD

39、D3 DACVDD3 DACVDD3 STBY V18 V20 YUV4 YUV3 IN3 VIDEO-DET IN2 IN1 DCLK IN0 5110G-RST V1. 7 C15 closed to Pin186 R37 39K CB114 0.1uF C92NC C37 10U SW2 ESE11SV1 R138 10 R5233 CB340.1uF CB146 100N L9 601H C96 10U CB3 0.1uF C971uF C177 2N2 CB69 0.1uF R93750k R90 10K CB11 0.1uF CB11 0.1uF C93 100N R61 4K7

40、L20 601H CB96 0.1uF C10233N C45 100P CB90 0.1uF R1370 CB115 100N C117390pF L4 601H R1480 M T1389D N401 MT1389D LQFP216/SMD 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 L

41、DO2 22 LDO1 23 AVDD3 216 V2REFO 28 SGND 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 GPIO1 45 TROPENPWM 39 PWMOUT1/ADIN0 40 GPIO2 46 FMO 38 DMO 37 HIGHA4 65 HIGHA5 64 HIGHA7 62 DVDD3 61 A16 60 IOWR# 59 DVDD3 58 IOA6 52

42、AD6 81 AD2 77 AD1 76 IOA18 55 DVSS 74 IOOE# 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

43、_6 96 DVSS 97 ADCVDD3 204 ADCVSS 205 UP1_7 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 1

44、44 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 RD2 116 DVSS 115 RD3 114 RD4 113 RD6 111 RD5 112 RD7 110 DQ

45、M0 109 HRFZC 209 IREF 215 SVDD3 24 RFGC 214 RFGND18 191 ADACGND 190 IDACEXLP 198 PLLVSS 197 RFRPAC 208 RFRPDC 207 JITFN 196 RFGND 211 RFVDD3 206 LPFOP 203 LPFIP 201 LPFIN 202 LPFON 200 PLLVDD3 199 XTALI 194 JITFO 195 RFVDD18 192 APLLCAP 184 APLLVSS 185 R 182 B 181 DACVSSA 180 G 179 ADACVDD3 186 DACV

46、DDA 178 DACVSSB 177 CVBS 175 FS 173 DACVSSC 174 ASDATA0 164 DACVDDC 171 SPDIF 170 MC_DATA 169 DVDD3 168 VREF 172 ASDATA3 167 ASDATA2 166 ASDATA1 165 ALRCK 163 XTALO 193 GPIO0 44 IOA2 47 DVDD18 48 IOA3 49 IOA4 50 IOA5 51 AD3 78 AD4 79 DACVDDB 176 APLLVDD3 183 VCM 188 AL 189 AR 187 CB110 100N C1000.1u

47、F R408 NC C18 1U C137 10U R64560 C58 1N CB1380.1uF R1400 R1390 CB126 0.1uF C39 20pF R164 680K CB119 0.1uF N10 MX29LV008TTC-70 A0 21 A1 20 A2 19 A3 18 A4 17 A5 16 A6 15 A7 14 A8 8 A19 37 OE 24 A18 13 D0 25 D1 26 D2 27 D3 28 A9 7 CE 22 D4 32 D5 33 D6 34 D7 35 NC 11 VCC 30 VSS 23 WE 9 VSS 39 A10 36 A12

48、 5 A11 6 A13 4 A14 3 A15 2 A16 1 A17 40 NC 29 RESET 10 RY/BY 12 A20 38 VCC 31 R56 4K7 + C123 10U C103 0.1uF C1 10UF/16V R701 U C411 1N5 L2 601H C471 U CB15 100N L1 601H R15 10K C10947N +C66 10U L16 601H C441 U C461 U CB139 0.1uF C11147N C40 10U CB89 0.1uF C124 100P CB85 0.1uF D001 24C02 A0 1 A1 2 A2

49、 3 A3 4 SDA 5 SCL 6 NC 7 VDD 8 CB142 0.1uF C6 10U R55 4K7 C122 10U R66100k R454 10K C11047N R84 4.7k C17 1N CB133 0.1uF C120 100N L13 601H CB5 0.1uF C991N CB111 100N CB109 100N R67 10K L15 601H CB6 0.1uF CB122 0.1uF VD12 ISS355 R9 10 R5433 C116 0.1uF C127 10U + C52 10U/16V L20 601H N406 HS0038B VCC 1 GND 2 RMC 3 R3815k CB95 100N R168 0 CB68 0.1uF RN5 33*4 11 22 33