Trouble Shooting
|
Power Board Service Guide
Check EMI open or LN short
Go to
check
Main
board
function
Check if FB1Open
Check the power
components
damage or not
Check the
rectifier
Check if output short
Check if RB148,
open
Non output, IR indicator light slake
Check if 12V
output normal
Check if EB1 voltage
about √2Vac
Check if UB101 PIN5
voltage is about 15V
Change damaged
components
Change short
components
Change damage
resistors
Change
UB101
N
Y
Y
Y
Y
Y
Y
Y
N
N
N
N
N
Summary of Contents for L32D2710
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