Advertisement
TROUBLESHOOTING THE 50AF1 PANEL
(4)
Turn off AC power.
Connect CNL2 (ABUSL).
Turn on Power (Vsago)
On PSU board
Va (65V)
e xists ?
Y
Turn off AC power.
Connect CN06 (ABUSA).
Turn on Power (Vsago)
A
N
A
On PSU board
L
Va (65V)
exists ?
Y
S
Y
I
S
( No Recurrence )
O
P
E
R
A
T
I
O
N
Turn off AC power.
And remove ADMs from following connectors
N
CN01, CN02, CN03, CN04
Afterwards, turn on Power (Vsago)
On PSU board
Va (65V)
e xists ?
Y
N
And remove ADMs from following connectors
CN02, CN03, CN04 (ABUSA)
Afterwards, turn on Power (Vsago)
On PSU board
Va (65V)
exists ?
Y
41
ABUSC(U) board
N
is defective
ADM is defect ive
(Panel is defective.)
Turn off AC power.
N
ABUSA board is
defective.
ADM is defective
(Panel is defective.)
Turn off AC power, End of analysis
Advertisement
