AOC VA320E Service Manual Download Page 14 | Manualshive

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32

″

LCD TV VA320E

15

3.3 Video input format

Physical Inputs

Format

NTSC from RF

720 x 480 @60i

AV( Side AV: CVBS and Y/C)

720 x 480 @60i

720 x 480 @60i
720 x 480 @60p
1280 x 720 @60p

YPbPr

1920 x 1080 @60i
720*400//70Hz
640*480/60Hz
640*480/75Hz
800*600/60Hz
800*600/75Hz
1024*768/60Hz
1024*768/75Hz

VGA

1360*768/60Hz
VGA 640 x 480 @60p
VGA 800 x 600 @60p
VGA1024 x 768 @60p
1280 x 720 @60p
1280 x 768 @60p

HDMI (DVI via HDMI)

1360 x 768 @60p
720 x 480 @60i
720 x 480 @60p
1280 x 720 @60p

HDMI

1920 x 1080 @60i

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Summary of Contents for VA320E

Page 1: ... EQUIPMENT CONTAINING HIGH VOLTAGES CAUTION USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING 8 PCB Layout 29 9 Block Diagram 36 10 Schematic 37 11 White Balance Luminance Adjustment 61 12 Exploded View 64 13 BOM List 66 Table Of Contents 1 Important Safety Notice 2 Revision List 3 1 General Specification 4 2 Operating Instructions 5 3 Input Output Specification 14 4 Mechanical Inst...

Page 2: ...istics might create shock fire or other hazards Under no circumstances should the original design be modified or altered without written permission from AOC AOC assumes no liability express or implied arising out of any unauthorized modification of design Servicer assumes all liability FOR PRODUCTS CONTAINING LASER DANGER Invisible laser radiations when open AVOID DIRECT EXPOSURE TO BEAM CAUTION U...

Page 3: ...onse Time 6 5msec Typ gray to gray Contrast Ratio 1500 1 Min 2500 1 Typ EEFL MTBF 50 000 hrs min Power Supply PSU N A AC input 100 264 Vac 50 60Hz Normal Operation Power consumption 117W Game mode Standby power 1W 120V 60Hz only Power cord length 1 8M Power cord type 3 lead with earth plug pluggable US type Power indicator LED On White Standby Amber Environmental Conditions Temperature 0 C to 40 C...

Page 4: ...1 Press to alternate between the currently viewed program and previously viewed program 2 Press to return previous level and exit OSD INFO To display information of TV channel or input source INPUT 1 The Source List should be activated and show on OSD 2 Press repeatedly to select the signal source 3 1st press displays current subsequent presses advance VOL Press to adjust the volume MUTE Interrupt...

Page 5: ...he OSD consists of several menu options Picture Audio TV Setup and Parental Note Some of the submenu options may vary depending on your selected input source Press the MENU button to activate the On Screen Display OSD select the Picture option to adjust the Picture Mode Backlight Brightness Contrast color tint Sharpness Color Temperature and Advanced Video The following options are available in th...

Page 6: ...ture artifacts caused by the digitizing of moving images Black Level Extender Black Level Extender extends grey levels to black to improve contrast White Peak Limiter White Peak Limiter limits excessive white in bright areas of the picture CTI Select CTI Chrominance Transient Improvement to reduce time transitioning from one color to another The effect will be seen as sharpening the border between...

Page 7: ...io from your HDTV to an external audio system PCM Select to output audio in 2 channel stereo Dolby Digital Select to produces 5 1 channel Dolby Digital surround sound audio Speakers Turn off the internal TV speakers when listening to the audio through your home theater system Lip Sync Adjust the audio of the program being viewed so that it matches the movement of the lips of someone talking on the...

Page 8: ...l Select the Skip channel option in the TV submenu to set the Analog MTS Select the MTS option in the TV submenu to set the MTS Press the right button to select the Stereo SAP and Mono Time Zone Select the Time Zone option in the TV submenu to set the time zone Press the right button to select the zone among Eastern Indiana Central Mountain Hawaii Arizona Pacific and Alaska Daylight Saving Select ...

Page 9: ...p submenu to set the sleep time Wide Select the Wide option in the Setup submenu to set the Wide CC Select the CC option in the Setup submenu to set the CC Digital CC Style Select the Digital CC style option in the Setup submenu to set the Digital CC style H V Position Select the H V Position option in the Setup submenu to set the H V Position Reset All Setting Select the Reset All setting in the ...

Page 10: ...button and the Password panel will be displayed Enter the four digit password using the number buttons on the remote control Enter it a second time to confirm you entered it correctly Note If you forget your password entering 5351 will allow you to set a new password This feature is not available when HDMI Component or VGA is selected as the input source ...

Page 11: ...port HDCP with digital audio HDMI 2 HDMI input support HDCP with digital audio HDMI Side HDMI input support HDCP with digital audio AV CVBS S Video RCA jack with audio R L RCA jack RGB D_SUB with audio R L phonejack COMP1 YPbPr component video RCA jack with audio R L RCA jack COMP2 YPbPr component video RCA jack with audio R L RCA jack SPDIF Digital audio output RCA jack 2 3 2Side AV CVBS In Cinch...

Page 12: ...wer light the power light will illuminate with a amber light when the HDTV is powered off a white light indicates the HDTV is powered ON Key TV video mode Power Power on off Menu Enter Exit OSD menu Channel Menu Navigate Up Channel up Channel Menu Navigate Down Channel Down Volume Menu Navigate Right Increase Volume up Volume Menu Navigate Left Decrease Volume down Input Select the signal source S...

Page 13: ...ass 5 Ground 13 H Sync 6 Red Video Ground 14 V Sync 7 Green Video Ground 15 Data Clock SCL for PC Bypass 8 Blue Video Ground 3 2 HDMI Digital connector pin assignments NAFTA only Pin No Description Pin No Description 1 TMDS Data2 2 TMDS Data2 Shield 3 TMDS Data2 4 TMDS Data1 5 TMDS Data1 Shield 6 TMDS Data1 7 TMDS Data0 8 TMDS Data0 Shield 9 TMDS Data0 10 TMDS Clock 11 TMDS Clock Shield 12 TMDS Cl...

Page 14: ...i 720 x 480 60p 1280 x 720 60p YPbPr 1920 x 1080 60i 720 400 70Hz 640 480 60Hz 640 480 75Hz 800 600 60Hz 800 600 75Hz 1024 768 60Hz 1024 768 75Hz VGA 1360 768 60Hz VGA 640 x 480 60p VGA 800 x 600 60p VGA1024 x 768 60p 1280 x 720 60p 1280 x 768 60p HDMI DVI via HDMI 1360 x 768 60p 720 x 480 60i 720 x 480 60p 1280 x 720 60p HDMI 1920 x 1080 60i ...

Page 15: ...32 LCD TV VA320E 16 4 Mechanical Instructions 1 Remove the one screw to remove the stand base 2 Withdraw the stand cover 3 Remove eighteen screws to remove the rear cover ...

Page 16: ...crews and unplug five connectors to remove the scaler board 5 Remove six screws and unplug three connectors to remove the power board 6 Remove the screw and the connector to remove the IR board 7 Remove the connector to remove Key Board ...

Page 17: ...18 8 Remove four screws to remove two speakers 9 Remove five screws and unplug eight connectors to remove the inverter board 10 Remove night screws to remove the metal frame 11Remove two screws to remove the bezel assy ...

Page 18: ...32 LCD TV VA320E 19 12 the panel ...

Page 19: ...ect ISP tool to CN403 check reply message if MT5380L boot NG Replace U405 OK Update FW again NG Check key board Repair the key board OK Check U708 Q701 output NG Replace around U708 Q701 NG components NG Check power cord and board interface Plug in power cord and interface OK Check CN701 pin 11 12 Æ 5V FB707 Æ 5V NG Replace power board OK Check Q401 Q403 Q406 Q407 around components NG Replace Q401...

Page 20: ...HDMI U501 and HDMI signal NG Replace around component TV signal NG Check Tuner power and TV system setup NG Replace panel Check panel NG Check the source Reset source OK Check LVDS cable NG Re plug in LVDS cable OK Check 12V panel power Q703 FB701 FB703 NG Replace Q703 FB701 FB703 OK Check BL_ON signal CN701 Pin 1 NG Replace main board NG Replace panel Check panel OK ...

Page 21: ...onent Check U603 circuit NG Replace around component Check mute circuit NG Replace around component NG Replace Speaker Check Speaker OK OK NG Replace TU101 TV sound check TV setup and power HDMI check U501 and EDID Update EDID or replace U501 NG Replace around component Check headphone circuit and U602 NG OK ...

Page 22: ...oard OSD is unstable or not working Is Key Pad Board connecting normally Connect Key Pad Board Is Button Switch normally Replace Button Switch Yes Is Key Pad Board Normally Replace Key Pad Board Check Main Board No No Yes Yes No ...

Page 23: ...32 LCD TV VA320E 64 12 Exploded View ...

Page 24: ... KEY PAD 1 4 KEPF8AB3 KEYPAD BOARD 1 5 A34T1138 WS 1L0100 BEZEL 1 6 750TVM315BN311N000 PANEL 1 7 A15T0560101 32TV base support g3 1 8 PWTV9L6CMSA6 POWER BOARD 1 9 CBPF92GKZ1 MAIN BOARD 1 10 INTV9L6CMSA3 INVERTER BOARD 1 11 A34T1139PAR 1A0100 REAR COVER 1 12 A34T1140PAN 1L0100 STAND 1 13 A34T1141PAN 1L0100 STAND COVER 1 14 705GZ934044 BASE PLATE ASSY 1 ...

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