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A
RESET or power on.
LOGO
display?
YES
Plug AV-Cable in
LOGO
display on TV?
YES
B
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Only for training and service purposes
NO
Check 8202T
Video out
NO
Check
video circuit
Check cable &
connection wire.
1. Check panel & panel board
circuit.
2. Check TV system.
3-5
NO
YES
NO
YES
NO
YES
1. Check video relate setting of
chip circuit.
2. Check Main chip.
Check component value.
Check open, short,
direction, pin definition.
LGE Internal Use Only
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