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GRUNDIG Service
Fault Finding Diagram
No Backlight
&
No LED
Is the Voltage of
P803#10 = 5V &
P803#4 = 24V?
(on Power Module)
P. 2-2
Yes
Is the Voltage of
L139 = 24V?
(on Main Board)
P.2-9
Yes
Is the Voltage of
L140 = 5V?
(on Main Board)
P.2-9
Yes
Is the Voltage of
I016#2 = 3.3V?
P. 2-9
Yes
Is the Voltage of
I015#2 = 2.5V?
P. 2-9
Yes
Check and Re-plug wires
P601 (from LED Board to P015)
and P802A (from Inverter to P802).
P. 2-2/2-18
No
Check PB0112V
(Power Module)
No
Check connectors
P803 & P019
No
Check connectors
P803 & P019
No
Check I016
No
Check I015
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ARGANTO 23 LW 60-6410 Top
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