Troubleshooting – No Power
Troubleshooting – No Power
Does 5.2 V appear at Pin #15 of CN602?
Does DC 12V appear at C653?
Check the SMPS Board.
NO
YES
Check the peripheral circuit of CN602
.
NO
Does 3.3V appear at C622?
YES
Replace IC602.
NO
Does DC 1.8V appear at C603?
YES
Replace IC601.
NO
Does 3.3 V appear at Pin 16 ofCN602?
YES
The Scaler(IC408) is abnormal.
Replace the main board.
NO
2
1
4
3
2
1
3
4
CN602
C653
C622
C603
BD643
Does DC 12V appear at BD643?
Check the LCD Panel.
NO
YES
Содержание 460DX - SyncMaster - 46" LCD Flat Panel...
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 ...