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LG-YD6250
Checking Flow
Circuit to supply
power nominal?
The voltage at Pin #1
Of CON 301=2.85V?
The voltage at Pin #1
Of CON 301=2.85V?
Check the Control signal
Check pins of CON301
Reconnect the LCD to CON301
LCD display ?
LCD display ?
START
No
Yes
No
Yes
No
Yes
No
Yes
or
No
Yes
Good
Good
41
Refer
to [1]
Resoldering L301
Change the U400
Check F300, F301, F302, F303
Change LCD
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