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TROUBLESHOOTING THE 50AF1 PANEL
CNL2 (14)-(19) pin or
CNL2 (14)-(15) pin are
A
N
A
L
Y
S
I
S
CN06 (1)-(3) pins or
O
P
E
R
A
T
I
O
N
CN06 (1)-(3) pins or
(2)
ABUSA board
shorted?
N
ABUSB board
Y
CN06 (1)-(3) pins or
CN06 (3)-(5) pins
shorted?
N
ABUSC(U) board
Y
CN06 (3)-(5) pins
shorted?
N
ABUSC(D) board
CN06 (3)-(5) pins
shorted?
(3)
Y
Remove ADM from connectors on
ABUSA, CN02, CN03 and CN04
ABUSA board
CN06 (1)-(3) pins or
CN06 (3)-(5) pins
are shorted?
Y
Remove ADM from the
following four connectors.
CN02, CN03,CN04,CN05
ABUSB board
CN06 (1)-(3) pins or
CN06 (3)-(5) pins
are shorted?
Y
Remove ADM from the following
four connectors on ABUSC(U),
CN02, CN03,CN04 and CN05
ABUSC(U) board
CN06 (1)-(3) pins or
CN06 (3)-(5) pins
shorted?
Y
Remove ADM from the following
four connectors.
CN02, CN03,CN04 and CN05
ABUSC(D) board
CN06 (1)-(3) pins or
CN06 (3)-(5) pins
shorted?
Y
39
ADM (Connector with COF attached)
COF (Chip on Film)
COF
Connector to ABUS PWB
N
ADM is defective
(Panel is defective)
ADM chip (COF) is defective
ABUSA board is defective.
Power supply circuit
has short-circuit.
N
ADM is defective
(Panel is defective)
ADM chip (COF) is defective
ABUSB board is defective.
Power supply circuit has short-circuit.
N
ADM is defective
(Panel is defective)
ADM chip (COF) is defective
ABUS-C(U) board is defective.
Power supply circuit has short-circuit.
N
ADM is defective
(Panel is defective)
ADM chip (COF) is defective
ABUS-C(D) board is defective.
Power supply circuit has short-circuit.
COF
End of analysis
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