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LC-32LE530
LC-40LE530
TROUBLESHOOTING
13. TROUBLESHOOTING
13.1. No Backlight Problem
Problem: If TV is working, led is normal and there is no picture and backlight on the panel.
Possible couses: Backlight pin, dimming pin, backlight supply, stby on/off pin
Backlight pin should be high in open position. If it is low, please check Q41 and panel
cables.
Dimming pin should be high or square wave in open position. If it is low, please check
S111 for Mstar side and panel or power cables,
connectors.
Backlight power supply should be in panel specs.
Summary of Contents for LC-32LE530E
Page 19: ...19 LC 32LE530 LC 40LE530 1 2 MB61 Placement of Blocks ...
Page 24: ...24 LC 32LE530 LC 40LE530 4 3 Frequency response ...
Page 26: ...26 LC 32LE530 LC 40LE530 5 3 Absolute Ratings 5 3 1 Electrical Characteristics ...
Page 27: ...27 LC 32LE530 LC 40LE530 ...
Page 28: ...28 LC 32LE530 LC 40LE530 ...
Page 29: ...29 LC 32LE530 LC 40LE530 5 4 Pinning ...
Page 33: ...33 LC 32LE530 LC 40LE530 The MSD9WB7GX LF 2 T1is composed of several modules ...
Page 34: ...34 LC 32LE530 LC 40LE530 ...
Page 35: ...35 LC 32LE530 LC 40LE530 ...
Page 40: ...40 LC 32LE530 LC 40LE530 10 4 Pinning ...
Page 48: ...48 LC 32LE530 LC 40LE530 11 1 Video Settings ...
Page 49: ...49 LC 32LE530 LC 40LE530 11 2 Audio Settings ...
Page 50: ...50 LC 32LE530 LC 40LE530 11 3 Options Options 1 ...
Page 51: ...51 LC 32LE530 LC 40LE530 Options 2 ...
Page 52: ...52 LC 32LE530 LC 40LE530 11 4 Tuning Settings ...
Page 53: ...53 LC 32LE530 LC 40LE530 11 5 Source Settings ...
Page 58: ...58 LC 32LE530 LC 40LE530 ...
Page 85: ...85 LC 32LE530 LC 40LE530 16 PRINTED WIRING BOARD Main Unit PWB Top Side ...