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LC-22DV510
LC-24DV510
26. TROUBLESHOOTING
26.1.
No Backlight Problem
Problem: If TV is working, led is normal and there is no picture and backlight on the panel.
Possible causes: Backlight pin, dimming pin, backlight supply, stby on/off pin
Backlight pin should be high in open position. If it is low, please check Q181 and panel cables.
Dimming pin should be high or square wave in open position. If it is low, please check S16 for Mstar side
and panel or power cables, connectors.
Backlight power supply should be in panel specs. Please check CN705 for MB60, related connectors for
power supply cards.
26. TROUBLESHOOTING
26.1 No Backlight Problem
TROUBLESHOOTING
Содержание LC-22DV510K
Страница 19: ...19 LC 22DV510 LC 24DV510 1 1 General Block Diagram 1 1 General Block Diagram ...
Страница 27: ...27 LC 22DV510 LC 24DV510 4 4 Frequency response ...
Страница 29: ...29 LC 22DV510 LC 24DV510 5 3 Absolute Ratings 5 3 1 Electrical Characteristics ...
Страница 30: ...30 LC 22DV510 LC 24DV510 5 3 2 Operating Specifications ...
Страница 31: ...31 LC 22DV510 LC 24DV510 5 4 Pinning ...
Страница 33: ...33 LC 22DV510 LC 24DV510 6 3 2 Operating Specifications 6 4 Pinning ...
Страница 35: ...35 LC 22DV510 LC 24DV510 Ì µ µ ò Ú ĞÉîê ĞÉîé µ º ò Ú ĞÍïêô ĞÍïéô ĞÍêğ µ µ ò ...
Страница 48: ...48 LC 22DV510 LC 24DV510 12 4 Pinning 11 4 ...
Страница 49: ...49 LC 22DV510 LC 24DV510 ...
Страница 51: ...51 LC 22DV510 LC 24DV510 ...
Страница 64: ...64 LC 22DV510 LC 24DV510 23 3 VGA CN132 23 CONNECTORS 23 1 SCART SC1 23 2 HDMI CN707 CN708 22 2 22 1 22 ...
Страница 65: ...65 LC 22DV510 LC 24DV510 23 3 VGA CN132 22 3 ...
Страница 67: ...67 LC 22DV510 LC 24DV510 24 1 Video Settings 23 1 Video Settings 24 2 Audio Settings 23 2 Audio Settings ...
Страница 68: ...68 LC 22DV510 LC 24DV510 23 3 Options Options Options 1 Options 2 ...
Страница 69: ...69 LC 22DV510 LC 24DV510 24 3 Tuning Settings 23 4 Tuning Settings 23 5 Source Settings 24 4 Source Settings ...
Страница 74: ...74 LC 22DV510 LC 24DV510 4 Hardware Architecture Connector Arrangement ...
Страница 75: ...75 LC 22DV510 LC 24DV510 Block Diagram ...
Страница 78: ...78 LC 22DV510 LC 24DV510 STBY_ON OFF should be low for standby on condition please check R1677 ...
Страница 86: ...86 LC 22DV510 LC 24DV510 NOTES ...
Страница 98: ...98 LC 22DV510 LC 24DV510 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 I H G F E D C B A Power Supply Diagram ...
Страница 99: ...99 LC 22DV510 LC 24DV510 Led Converter Diagram 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 I H G F E D C B A ...
Страница 100: ...100 LC 22DV510 LC 24DV510 29 PRINTED WIRING BOARD Main Unit PWB Top Side ...
Страница 120: ...120 LC 22DV510 LC 24DV510 Notes ...
Страница 123: ...123 LC 22DV510 LC 24DV510 Notes ...