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Service Modes, Error Codes, and Fault Finding
Z-SUS Board
1. Check the fuses.
2. Check input voltages (Va, 5V, and 15V)
3. Check FPC output diode value.
5V FUSE
Va FUSE
Figure 5-12 Z-SUS board fuse check
Normal diode value = OL (reverse)
Figure 5-13 Z-SUS board FPC output diode check
Vs
FUSE
F_15590_075.eps
070705
Normal diode value = 0.4 (forward)
F_15590_077.eps
060705
LGE PDP 2K5
5.1.2
Bar Defect (Vertical)
Check each section with following method. If there is a
problem, replace or repair that part. If not go to the next section.
Connector
Check the TCP connector and cables. If not connected well, it
will result in a bar defect and abnormal display behaviour.
Check here
Figure 5-14 Connector check (1)
Check here
Figure 5-15 Connector check (2)
Checking TCP
Confirm whether the TCP was torn or chopping.
Figure 5-16 TCP torn
5.
EN 13
Bar
F_15590_078.eps
060705
Off
F_15590_079.eps
060705
TCP
torn
F_15590_080.eps
060705
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