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THE PICTURE DOES NOT
APPEAR
No
Does backlight shine?
Yes
No
Is CD6401 connected?
Yes
No
Is there voltage at pins
Vcc of CP2808 12V?
Yes
Yes
Is there signal at pins
LVDS data and CLK of
CP2804?
No
No
Change DIGITAL PCB.
TROUBLESHOOTING GUIDE
No
Is there voltage at pin
1 of CP6401 24V?
Yes
Connected CD6401
Check Q3002 and peripheral
circuit.
Change V2801(PANEL).
Change FRC PCB
Check pin13 and
pin14 of CP6401.
No
Change MAIN PCB
E-3
Yes
Change V2801(PANEL).
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