75
LC-19LE510
LC-22LE510
LC-24LE510
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
Summary of Contents for LC-19LE510E
Page 22: ...22 LC 19LE510 LC 22LE510 LC 24LE510 1 1 General Block Diagram 1 1 General Block Diagram ...
Page 30: ...30 LC 19LE510 LC 22LE510 LC 24LE510 4 4 Frequency response ...
Page 32: ...32 LC 19LE510 LC 22LE510 LC 24LE510 5 3 Absolute Ratings 5 3 1 Electrical Characteristics ...
Page 33: ...33 LC 19LE510 LC 22LE510 LC 24LE510 5 3 2 Operating Specifications ...
Page 34: ...34 LC 19LE510 LC 22LE510 LC 24LE510 5 4 Pinning ...
Page 36: ...36 LC 19LE510 LC 22LE510 LC 24LE510 6 3 2 Operating Specifications 6 4 Pinning ...
Page 38: ...38 LC 19LE510 LC 22LE510 LC 24LE510 Ì µ µ ò Ú ĞÉîê ĞÉîé µ º ò Ú ĞÍïêô ĞÍïéô ĞÍêğ µ µ ò ...
Page 51: ...51 LC 19LE510 LC 22LE510 LC 24LE510 12 4 Pinning 11 4 ...
Page 52: ...52 LC 19LE510 LC 22LE510 LC 24LE510 ...
Page 54: ...54 LC 19LE510 LC 22LE510 LC 24LE510 ...
Page 68: ...68 LC 19LE510 LC 22LE510 LC 24LE510 23 3 VGA CN132 22 3 ...
Page 71: ...71 LC 19LE510 LC 22LE510 LC 24LE510 23 3 Options Options Options 1 Options 2 ...
Page 84: ...84 LC 19LE510 LC 22LE510 LC 24LE510 Notes ...
Page 100: ...100 LC 19LE510 LC 22LE510 LC 24LE510 Notes ...
Page 126: ...126 LC 19LE510 LC 22LE510 LC 24LE510 Notes ...
Page 130: ...130 LC 19LE510 LC 22LE510 LC 24LE510 Notes ...
Page 131: ...Notes ...