Read LG 37LC2DB (CHASSIS:LD61A) Service Manual online
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Push the POWER
ON key
Check for S/W error
Replace Cortez
Replace Hudson
Power Error
Replace CXA2069
Correct the circuit
Attach the input
cable(s)
Replace Jack Board
AV4
Power Error
Check the
Condition of all
Connectors, wafers,
I2C In the
system.
Check CVBS
Signal at R169
on jack board
Check 3.3V
At L110 on jack
board
Check Sub_V
At R302
Check Main_V
At R309
Check 24bit
RGB at AR700-
AR705
Check LVDS
Output of Cortez
Check Power
Levels and crystal
Check Q303
Circuit and 9V
at L300
What is
the input signal
mode?
Is the input cable
attached?
Is the
Set ON?
YES
NO
NO
YES
PASS
FAIL
PASS
FAIL
PASS
PASS
PASS
PASS
FAIL
FAIL
PASS
FAIL
PASS
FAIL
FAIL
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