73
LC-32LE510
LC-40LE510
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.
25. TROUBLESHOOTING
TROUBLESHOOTING
25.1
Содержание LC-32LE510E
Страница 20: ...20 LC 32LE510 LC 40LE510 1 1 General Block Diagram 1 1 General Block Diagram ...
Страница 28: ...28 LC 32LE510 LC 40LE510 4 4 Frequency response ...
Страница 30: ...30 LC 32LE510 LC 40LE510 5 3 Absolute Ratings 5 3 1 Electrical Characteristics ...
Страница 31: ...31 LC 32LE510 LC 40LE510 5 3 2 Operating Specifications ...
Страница 32: ...32 LC 32LE510 LC 40LE510 5 4 Pinning ...
Страница 34: ...34 LC 32LE510 LC 40LE510 6 3 2 Operating Specifications 6 4 Pinning ...
Страница 36: ...36 LC 32LE510 LC 40LE510 Ì µ µ ò Ú ĞÉîê ĞÉîé µ º ò Ú ĞÍïêô ĞÍïéô ĞÍêğ µ µ ò ...
Страница 49: ...49 LC 32LE510 LC 40LE510 12 4 Pinning 11 4 ...
Страница 50: ...50 LC 32LE510 LC 40LE510 ...
Страница 52: ...52 LC 32LE510 LC 40LE510 ...
Страница 65: ...65 LC 32LE510 LC 40LE510 23 3 VGA CN132 23 CONNECTORS 23 1 SCART SC1 23 2 HDMI CN707 CN708 22 2 22 1 22 ...
Страница 66: ...66 LC 32LE510 LC 40LE510 23 3 VGA CN132 22 3 ...
Страница 68: ...68 LC 32LE510 LC 40LE510 24 1 Video Settings 23 1 Video Settings 24 2 Audio Settings 23 2 Audio Settings ...
Страница 69: ...69 LC 32LE510 LC 40LE510 23 3 Options Options Options 1 Options 2 ...
Страница 70: ...70 LC 32LE510 LC 40LE510 24 3 Tuning Settings 23 4 Tuning Settings 23 5 Source Settings 24 4 Source Settings ...
Страница 74: ...74 LC 32LE510 LC 40LE510 STBY_ON OFF should be low for standby on condition please check R1677 ...
Страница 82: ...82 LC 32LE510 LC 40LE510 Notes ...
Страница 94: ...94 LC 32LE510 LC 40LE510 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 95: ...95 LC 32LE510 LC 40LE510 PRINTED WIRING BOARD 28 PRINTED WIRING BOARD Main Unit PWB Top Side ...
Страница 96: ...96 LC 32LE510 LC 40LE510 NOTES ...
Страница 121: ...121 LC 32LE510 LC 40LE510 Notes ...