
7
Troubleshooting – No DVI Video
Troubleshooting – No DVI Video
Does the LED light up when turn on the power?
Does 5 V appear at Pin 14 and 16 of CN101 DVI port?
Check the power port.
NO
YES
Check the cable connection.
NO
Does the wave form as the figure appear at R161(DVI_SCL)
and R162(DVI_SDA) ?
YES
Replace the main board.
NO
Does the signal appear at RA107(R), RA102(G), and RA105(B)?
YES
IC105 is abnormal. Replace the main board.
NO
YES
The Scaler (IC408) is abnormal.
Replace the main board.
NO
Check the cable between the main board and panel
and replace the LCD panel.
YES
Does the TX** signal appear at Pin 14 and 15 of CN403?
7
8
8
CN403
CN101
R161
R162
RA102 ,
105,107
Содержание 400UXn - SyncMaster - 40" LCD Flat Panel Display
Страница 7: ...Introduction Rear Introduction Rear Rear 1 POWER S W 2 POWER IN Connection Terminal ON OFF ...
Страница 15: ...Accessories Sold Separately Unpacking Unpacking Speaker wire ...
Страница 27: ...Installing Stand Kit Installing Stand Kit Installing the Semi Stand ...
Страница 47: ...Block Diagram Block Diagram Main Circuit Main Circuit Main ...
Страница 48: ...Block Diagram Block Diagram Network Circuit Network Circuit Main ...
Страница 50: ...Block Diagram Block Diagram Network Power Network Power Network Power Tree ...
Страница 55: ...Schematics Power Schematics Power CN 602 Connecting to SMPS Board 16p CN 404 Connecting to SMPS Board 5p ...
Страница 56: ...Schematics Power Schematics Power IC601 3 3V 1 8V IC604 3 3V 2 5V IC602 12V 3 3V ...
Страница 57: ...Schematics Power Schematics Power IC610 5V 3 3V ...
Страница 58: ...Schematics Power Schematics Power IC615 3 3V 1 8V IC612 5V 3 3V IC613 12V 8V IC614 8V 5V IC618 8V 5V ...
Страница 62: ...Schematics HDMI Input Schematics HDMI Input CN 102 HDMI Signal Input Scaler IC408 IC105 TMDS Receiver HDMI ...
Страница 63: ...Schematics Video Input Schematics Video Input CN 107 AV signal input CN 110 S Video signal input Scaler IC408 ...
Страница 67: ...Schematics Sound AMP Schematics Sound AMP Sound Processor IC502 Speaker output CN506 ...
Страница 68: ...Schematics EPROM Schematics EPROM Function CN402 RS232 IC109 EEPROM IC403 ...
Страница 102: ...MDC Multi Display Control Program MDC Multi Display Control Program How to install ...
Страница 120: ...MDC Multi Display Control Program MDC Multi Display Control Program ...
Страница 130: ...40 SMPS Board Block Diagram 40 SMPS Board Block Diagram ...
Страница 131: ...46 SMPS Board Block Diagram 46 SMPS Board Block Diagram ...
Страница 132: ...Network Power Board Block Diagram Network Power Board Block Diagram ...