Toshiba RD-XV47KB, Руководство по обслуживанию

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1-11-14 E3B90TR
Yes
No
Are the video signals outputted to Pin(24) of IC1509
Yes
Yes
Are the video signals inputted to each pin of
IC1509? Check the line between video input terminal and
each pin of IC1509.
No
IC1509 VIDEO-IN 1 (AV1) 16PIN
IC1509 VIDEO-IN (FRONT) 14PIN
IC1509 VIDEO-IN 2 (AV2) 12PIN
IC1509 TUNER-VIDEO
VIDEO-IN 1 (AV1)
VIDEO-IN 2 (AV2)
20PIN
IC1509
→
JK1504 16PIN
VIDEO-IN (FRONT) IC1509
→
JK3001 14PIN
IC1509
→
JK2001 12PIN
TUNER-VIDEO IC1509
→
TU1501 20PIN
17PIN
Check the AL+5V(2) , AL+9V
line and service it if defective.
Replace IC1509.
Yes No
Is 5V voltage supplied to Pin(27,29,47,63) of
IC1509?
Is 9V voltage supplied to Pin(75) of IC1509?
FLOW CHART NO.10
Video E-E does not appear normally.
Is the video signal inputted to Pin(48) of IC301? Check the line between Pin(24) of IC1509 and
Pin(48) of IC301, and service it if defective.
Yes
Yes
Yes
Yes
No
Yes No
No
No
No
No
Is the C-SYNC signal outputted to Pin(67) of IC301?
Is the C-SYNC signal inputted to Pin(58) of IC501? Is 5V voltage supplied to Pin(18,24,42,55,72,91)
of IC301?
Is the serial data and clock signal
supplied to Pin(68,69) of IC301?
Check the P-ON+5V line and AL+5V line,
and service it if defective.
Check the line between Pin(67)
of IC301 and Pin(58) of IC501,
and service it if defective.
Check the line between Pin(68,69) of IC301
and Pin(71, 72) of IC501, and service it if
defective.
Check the line between Pin(61) of IC301 and
Pin(100) of IC1509, and service it if defective.
Is the video signal inputted into Pin(100) of IC1509?
Replace IC301.
Check the periphery of JK1504 from Pin(30) of
IC1509 and service it if defective.
Are the video signals outputted to the specific
output terminal?
Are the composite video signals outputted to the
VIDEO-OUT terminal (JK1504)?
Are the composite video signals outputted to the
VIDEO-OUT terminal (JK2001)?
Yes
IC1509 30PIN VIDEO-OUT 1 (AV1)
IC1509 22PIN VIDEO-OUT 2 (AV2)
Are the video signals outputted to each pin
of IC1509?
No
No
Check the periphery of JK2001 from Pin(22) of
IC1509 and service it if defective.
No
Check the AL+5V(2), AL+9V
line and service it if defective.
Replace IC1509.
Yes No
Is 5V voltage supplied to Pin(27,29,47,63) of
IC1509?
Is 9V voltage supplied to Pin(75) of IC1509?