1-11-5 E9G01TR
FLOW CHART NO.4
VIDEO E-E does not appear normally.
Are the video signals inputted to each pin of
IC1518?
Check the line between video input terminal and
each pin of IC1518.
IC1581 1PIN → JK1502 VIDEO-IN1 (AV1)
IC1581 3PIN → JK2001 VIDEO-IN2 (AV2)
IC1581 28PIN → TU1501 17PIN TUNER-VIDEO
Check the line between each pin of IC1507 and
Pin(31) of IC1518 and video input terminal.
IC1507 12PIN → IC1518 31PIN TUNER/LINE VIDEO
IC1507 15PIN → JK1204 FRONT-Y-IN
IC1507 4PIN → JK1204 FRONT-C-IN
IC1507 10PIN → JK1201 FRONT-VIDEO-IN
Are the video signals inputted to each pin of IC1507?
(S-VIDEO/Composite video out)
Continued to "A" on the FLOW CHART NO. 5.
< Picture does not appear normally. [In the
S-VIDEO/Composite video output (JK1502,
JK1506, JK2001)] >
(RGB/Component video out)
Continued to "B" on the FLOW CHART NO. 6.
< Picture does not appear normally. [In the RGB/
Component video output (JK1501, JK1502)] >
Ye s
Ye s
No
Is 12V voltage supplied to Pin(2,4) of IC1518?
No
No
IC1518 1PIN VIDEO-IN1 (AV1)
IC1518 3PIN VIDEO-IN2 (AV2)
IC1518 28PIN TUNER-VIDEO
IC1507 12PIN TUNER/LINE VIDEO
IC1507 15PIN FRONT-Y-IN
IC1507 4PIN FRONT-C-IN
IC1507 10PIN FRONT-VIDEO-IN
Check the line between each pin of IC1507 and
each pin of CN1502.
IC1507 19PIN → CN1502 20PIN VIDEO-Y/CVBS-IN
IC1507 21PIN → CN1502 22PIN VIDEO-C-IN
Are the video signals inputted to each pin of CN1502?
Ye s
No
CN1502 20PIN VIDEO-Y/CVBS-IN
CN1502 22PIN VIDEO-C-IN
Are the video signals outputted to each pin of IC1507?
Ye s
IC1507 19PIN VIDEO-Y/CVBS-IN
IC1507 21PIN VIDEO-C-IN
Are the video signals outputted to Pin(31) of IC1518?
Ye s
Replace IC1518.
No
Check AL+12V(1) line and
service it if defective.
Ye s
Is 5V voltage supplied to Pin(1) of IC1507?
No
Replace IC1507.
No
Check DVD-P-ON+5V line
and service it if defective.
Ye s
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