Sanyo LCD-40E40F - LED and Video Output Troubleshooting

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2. Troubleshooting guide
The flow chart shown below will help you to troubleshoot your Televison set with it doesn’t display
normally. Each procedure offers a simple way to check for system errors. Before starting, ensure
that there is a signal in and that the Televison is turned on.
2-1 Power LED no light
Change to new power board.
P/N: PK101V1110I or PK101V2070I
Check
CN2
Pin 2
Check L21
+5V_IN
OK
NG
H
L
Check
LED
Power LED no
Light
Change MAIN
PCB
Change LED
PCB
N
G