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PDP R&D Center
10.5 Sustain Short
(Some horizontal lines appear to be linked on Video)
[ Y-FPC ]
Sustain Short
Y-FPC
① Y-Buffer
② Y-Buffer
Check connector(80pin)-output
(CN5401,5402,5403,5501,
5502, 5503)
Check Scan Driver IC/100pin-
output
Upper(IC5401,5402,5403,5404)
Lower(IC5501,5502,5503,5504)
OK
NG
NG
NG
FPC(80pin)CON
(Check shorting by soldering,
a foreign(conductive)
substance)
Repair/Replace the CONN
Check FPC(80pin)-output
NG
Repair/Replace the CONN
NG
Repair/Replace the IC
NG
Refer to
Sustain Open
Block Diagram
FPC(80pin)CON
(Check shorting by soldering,
a foreign(conductive)
substance)
Check Scan driver IC
(Check shorting by soldering,
a foreign(conductive)
substance)
☞ In checking input or output pins,
Check “No solder/Cold solder/Lead bent” on Connector Leads
To check IC failure, raise IC output lead from
PCB pad and check the output lead waveform.
In case of IC failure, Replace the IC