Sharp LC-32LD145E Service Manual ▷ View online
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11.6. Diagnostic
11.7 USB Operations
USB operations option can not be used directly. It can be used for updating panel tool, hw
congiguration etc.
congiguration etc.
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12. SOFTWARE UPDATE
In MB82 project there is only one software. From following steps software update procedure
can be seen:
1.
can be seen:
1.
Copy
"upgrade_loader.pkg" software file. directly into root of a flash memory (not in a folder).
2. Put flash memory to the tv when tv is powered off.
3. Power on the and pree OK button on the remote control when the tv is opened.
4. If First Time Installition screen
3. Power on the and pree OK button on the remote control when the tv is opened.
4. If First Time Installition screen
appears, it means software update is succesful.
13. TROUBLESHOOTING
13.1. No Backlight Problem
Proble
m : 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 Q30 and panel
cables.
Backlight pin should be high in open position. If it is low, please check Q30 and panel
cables.
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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.
for Mstar side and panel or power cables, connectors.
Backlight power supply should be in panel specs. Please check CN4 for MB82, related
connectors for power supply cards.
connectors for power supply cards.
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STBY_ON/OFF should be low for standby on condition, please check R2090.
13.2 CI Module Problem
Problem: CI is not working when CI module inserted.
Possible couses: Supply, suply control pin, detect pins, mechanical positions of pins
CI supply shoul be 5V when CI module inserted. If it is not 5V please check
CI_POWER_CTRL, this pin should be low.
Possible couses: Supply, suply control pin, detect pins, mechanical positions of pins
CI supply shoul be 5V when CI module inserted. If it is not 5V please check
CI_POWER_CTRL, this pin should be low.
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