FUNAI F42PDME, Service Manual

Page: 32 / 90

1-7-2 L0605TR
FLOW CHART NO. 2
Video signal is not outputted normally.
Input video signal.
When inputting video signal to Video 1 S-VIDEO
jack...
When inputting video signal to Video 2 S-VIDEO
jack...
When inputting video signal to Video 1 composite
jack...
When inputting video signal to Video 2 composite
jack...
Is the video signal outputted to each pins on the
CN701 of the Analog CBA?
(If the video signal is not outputted when signal
is inputted to component 1, 2 jack on the rear,
replace the Digital CBA.)
CN701 Pin (10) VIDEO1-Y
CN701 Pin (12) VIDEO1-C
CN701 Pin (8) VIDEO1
CN701 Pin (4) VIDEO2-Y
CN701 Pin (6) VIDEO2-C
CN701 Pin (2) VIDEO2
Replace the Digital CBA.
Yes
Yes
No
No
No
No
No Check lines between Pins (10, 12) on CN701
and JK701, and service it if defective.
Check lines between Pins (4, 6) on CN701 and
JK701, and service it if defective.
Check lines between Pin (8) on CN701 and
JK702, and service it if defective.
Check lines between Pin (2) on CN701 and
JK702, and service it if defective.
Are serial data signal outputted to TP2037 and
TP2038 on the Digital CBA?
Replace the Plasma Display Module.
FLOW CHART NO. 3
Audio is not outputted from speakers normally.
Input audio signal.
Is audio signal inputted to each pins on IC202
and IC203?
[****] is the check point on the componet side.
IC203 Pin (13) [J165] AUDIO1(L)
IC202 Pin (13) [J135] AUDIO1(R)
IC203 Pin (14) [J166] AUDIO2(L)
IC202 Pin (14) [J129] AUDIO2(R)
IC203 Pin (15) [CN201 Pin (1)] AUDIO3(L)
IC202 Pin (15) [CN201 Pin (2)] AUDIO3(R)
No
No
No
No
IC203 Pin (12) [CN201 Pin (4)] AUDIO4(L)
IC202 Pin (12) [CN201 Pin (5)] AUDIO4(R)
Check lines between Pin (13) on IC203 and
JK702, between Pin (13) on IC202 and JK702,
and service it if defective.
Check lines between Pin (14) on IC203 and
JK702, between Pin (14) on IC202 and JK702
and service it if defective.
Replace the Digital CBA.
Replace the Digital CBA.
When inputting to Video 1 jack...
When inputting to Video 2 jack...
When inputting to component 1 jack...
When inputting to component 2 jack...
(continued to "A" on next page)