Philips PVD1075 Скачать руководство пользователя страница 24 | Manualshive

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6.0 OVERALL BLOCK DIAGRAM

18. DE-POP

Schematics

i.

Power ON/OFF pop noise cancellation schematics.

19. IR CON

i.

Pin Define as below

5V, IR-FLASH(By SOC) , EX-IR , Charge ( LED) , EN-DC/DC 5V , VBAT , GND

20. IR Board Circuit

i.

36K IR , MCU ( PIC12F675) , TWO LED ( RED , GREEN )

21. DC-DC

1.8V

i.

Use PWM controller to produce 1.8V power. Provide DVB-T Power

22. DVB-T Tuner

i.

Use 5V, 3V3V ,1.8V . TS Signals

23. INVERTER

i.

Driver High Voltage Backlight to TFP LCD

24. TFT

LCD

i.

800*RGB*600 digital interface TFTLCD

25. VIDEO DECODER

i.

Decoder Video Signal to R G B Signals and Send to TFT LCD

26. Button

i.

ADC Key Button

27. Panel Power Con

i.

Power Source VIN-SYS , 5V , 3.3V

28. Panel Signals Con

i.

VIDEO Signals ( CVBS, S-VIDOE) , Volume , 5V D-D EN , IR , I2C, Battery Detect , MPEG
SOC Reset , LED FLASH

29. SD Card Reader

i.

Control by MPEG SOC (GPIO) Data Bus 0~7

30. INVERTER Board

31. Tuner

Board

32.  Main Board

33.  LCD Board

34.  BUTTON Board

35.  IR Board

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Содержание PVD1075

Страница 1: ...ing 5 Overall Block Diagram 6 Electrical Diagram 7 Exploded View Diagram Service Part List 8 Revision List 9 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 transmitted in any form or by any means electronics mechanical photocopying or otherwise without the prior permission o...

Страница 2: ...80mins Audio Earphone out w 2 x 16ohm loading Output voltage 1kHz 1 5V typical THD 200 1k 1 8k 20kHz 0 2 typical Dynamic range 1kHz 70dB Signal Noise ratio 1kHz 75dB Frequency response 0 2 20kHz 3dB Channel Separation 1kHz 55dB Channel Balance 1kHz 2dB Audio Speaker Out impedance 4 Speaker Diameter 41 5 0 5mm Output Power 1kHz 2W Channel Separation 1kHz 30dB Signal Noise ratio 1kHz 62dB Distortion...

Страница 3: ... check the software version of the Portable TV 1 Power on the set and make sure there is no media device in it 2 Press MENU key on top of the set and then press 1 4 0 0 by remote control within 3 seconds if failed you need to retry the input process ...

Страница 4: ...roceed 7 After upgrade completed the set will power off and you can remove the USD drive Warning Do not unplug the AC adaptor during firmware upgrade to prevent flash corrupt of the set B PANEL firmware upgrade 8 Unzip the PHILIPS ROM different file from step 1 9 Drag n drop to USB drive 10 Power on the main set with AC DC adaptor 11 Insert USB drive to the USB port of the main set 12 The set will...

Страница 5: ... caso di non osservazione della più grande cauzione alla loro manipolazione Durante le riparazioni occorre quindi essere collegato allo stesso potenziale che quello della massa dell apparecchio tramite un braccialetto a resistenza Assicurarsi che i componenti e anche gli utensili con quali si lavora siano anche a questo potenziale Pour votre sécurité ces documents doivent être utilisés par des spé...

Страница 6: ... 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 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 Conductiv...

Страница 7: ...xists 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 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...

Страница 8: ...3 0 INSTRUCTION FOR USE ...

Страница 9: ... into four modules 1 Remove the screws on panel back cabinet 2 Remove the screws on stand back cabinet 3 Open the stand back cabinet and pull out all wires connection on main board 4 Separate the stand back cabinet with main board and tuner board on it ...

Страница 10: ...es connection on LCD board 6 Separate the panel front cabinet 7 Turn to the backside of the stand front cabinet remove two PU foams near the hinge and remove the screws on hinge and bush hinge 8 Separate the wires and hinge then will get the panel back cabinet Panel back cabinet Stand front cabinet ...

Страница 11: ...NICAL INSTRUCTION B Separate the parts inside panel front cabinet 9 Remove the screws and separate all parts C Separate the parts inside panel back cabinet 10 Remove the Key board from the panel back cabinet 11 ...

Страница 12: ... INSTRUCTION D Separate the parts inside stand front cabinet 12 Remove the screws on the plate metal EMI and separate them 13 Remove the screws on the speaker bracket ear to separate them from stand front cabinet 14 ...

Страница 13: ...crews on the IR board to separate it from cabinet 16 17 Carefully remove the battery assy from the cabinet E Separate the parts inside stand back cabinet 18 Remove the screws on main PCBA and tuner PCBA to separate them from stand back cabinet ...

Страница 14: ...eck Battery capacity BATTERY CAN T Power ON Check charging function OK SET OK No Defect return set to Customer Check adaptor power ON OK no Check the Power ON button and cable OK Replace Main Board Replace Key Board or Cable yes Yes NO No Yes No No Replace LCD Board No ...

Страница 15: ...ERNAL AV IN NO IMAGE SYMPTOM NO IMAGE OUTPUT THE PANEL SHOW BLUE PICTURE Start Check the inside 20pin Cable connection is OK Replace Main Board NOTE AV Cable TYPE from outside to Inside L Audio R Audio Video Ground yes Reinsertion No ...

Страница 16: ...5 0 TROUBLESHOOTING SYMPTOM NO SOUND SYMPTOM NO SOUND COMES FROM SPEAKER Start Check the Connection OK Reinsertion Check speaker OK Replace Main Board Change the speaker no yes no yes ...

Страница 17: ...daptor OK Adaptor can not Power ON Change adaptor SET OK Return set to Customer NO Check the Power ON button and FFC 5 PIN cable OK Replace Key Board or Cable Yes NO Yes No YES OK Replace Main Board NO Replace LCD Board No Check the 20 Pin 10 Pin Wire Cable OK NO YES ...

Страница 18: ...HE REMOTE CONTROL CAN NOT WORK Start Check IR board OK Replace main board Yes Yes Cable Reinsertion NO Check 8 Pin wire CABLE form Main board to IR Board connection OK Replace IR receiver Or IR Board UX1 Code Lost Return to custormer OK OK Replace IR board NO NO OK ...

Страница 19: ...RK SYMPTOM THE USB DOESN T WORK Start Add external adaptor on USB Or Change another USB Check the external USB power consumption Replace main board Over spec Yes Yes USB Reinsertion NO Check USB INSERTION OK PVD1075 USB current limit Is 500mA ...

Страница 20: ...TOM PANEL DISPLAY FAILURE SYMPTOM Panel Display Fail Start Check LCD Board OK Replace Main board NO Yes Yes Cable Reinsertion NO Check CABLE form LCD Board to LCD Panel connection OK Replace LCD Board Return to custormer OK OK ...

Страница 21: ...M KEY BUTTON FAILURE SYMPTOM Key Button Fail Start Check KEY board OK Replace LCD board NO Yes Yes Cable Reinsertion NO Check FFC 5 PIN CABLE form LCD board to Key board connection OK Return to custormer OK Replace KEY board OK ...

Страница 22: ...6 0 OVERALL BLOCK DIAGRAM PVD1075 12 ...

Страница 23: ...V Provide MPEG SOC Tuner VIDEO Decoder iii 1 45V Provide MEPG SOC 6 Charger i Li Battery charger IC CC CV Two cell 8 4V charging IC 7 Battery Con i Connector 3 PIN Connector Battery 3200m A 7 4 V 8 MPEG SOC i The Digital Media Processor 9 EEPROM i EEPROM FOR SAVE MENU SETTING DATA 10 SE BTL Audio Amplifier i SE headphone amplifier BTL speaker amplifier ii Audio Input Function 11 AUDIO DAC i To tra...

Страница 24: ...e 5V 3V3V 1 8V TS Signals 23 INVERTER i Driver High Voltage Backlight to TFP LCD 24 TFT LCD i 800 RGB 600 digital interface TFTLCD 25 VIDEO DECODER i Decoder Video Signal to R G B Signals and Send to TFT LCD 26 Button i ADC Key Button 27 Panel Power Con i Power Source VIN SYS 5V 3 3V 28 Panel Signals Con i VIDEO Signals CVBS S VIDOE Volume 5V D D EN IR I2C Battery Detect MPEG SOC Reset LED FLASH 2...

Страница 25: ...6 0 OVERALL BLOCK DIAGRAM PVD1079 12 ...

Страница 26: ...7 0 COMPONENT LAYOUT MAIN BOARD ...

Страница 27: ...MAIN BOARD BOTTOM SIDE ...

Страница 28: ......

Страница 29: ...TUNER BOARD BOTTOM SIDE ...

Страница 30: ...LCD BOARD ...

Страница 31: ...LCD BOARD BOTTOM SIDE ...

Страница 32: ...IR BOARD ...

Страница 33: ...IR BOARD BOTTOM SIDE ...

Страница 34: ...INVERTER BOARD ...

Страница 35: ...KEY BOARD ...

Страница 36: ...KEY BOARD BOTTOM SIDE ...

Страница 37: ...8 0 EXPLODED VIEW DIAGRAM SERVICE PART LIST ...

Страница 38: ... BOARD PANEL BOARD 162 996510009017 FFC 24PIN P 0 5 L 30 170 996510009013 BATTERY ASSY 180 996510009008 PCB ASSY KEY PAD BOARD Mechanical Part list Pos No 12NC Description Remark 200 996510008992 TFT LCD 10 2 A102VW01 V7 UO 210 996510009012 SPEAKER 220 996510009010 SPEAKER BRACKET EAR PVD1075 300 996510008993 PANEL FRONT CABINET PVD1075 310 996510008994 PANEL BRACKET PVD1075 320 996510009007 PANEL...

Страница 39: ... BOARD PANEL BOARD 162 996510009017 FFC 24PIN P 0 5 L 30 170 996510009013 BATTERY ASSY 180 996510012744 PCB ASSY KEY PAD BOARD Mechanical Part list Pos No 12NC Description Remark 200 996510008992 TFT LCD 10 2 A102VW01 V7 UO 210 996510009012 SPEAKER 220 996510009010 SPEAKER BRACKET EAR PVD1075 300 996510008993 PANEL FRONT CABINET PVD1075 310 996510008994 PANEL BRACKET PVD1075 320 996510012743 PANEL...

Страница 40: ... 1 0 3141 785 32200 Initial release PVD1075 12 Version 1 1 3141 785 32201 Updated section 1 technical specification Updated section 8 replace AC adaptor from 996510009004 to 996510001049 Update service manual to add PVD1079 12 ...

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