Toshiba RD-XS27KE Service Manual page 25

Are the video signals outputted to each pin of
CN1201?
CN1201 7PIN VIDEO-Y(I/P)-OUT
CN1201 1PIN VIDEO-Y(I)-OUT
CN1201 5PIN VIDEO-Pr/Cr-OUT
CN1201 3PIN VIDEO-Pb/Cb-OUT
CN1201 9PIN VIDEO-C-OUT
Are the video signals shown above inputted into
each pin of IC005?
IC005 51PIN VIDEO-Y(I/P)-OUT
IC005 55PIN VIDEO-Y(I)-OUT
IC005 52PIN VIDEO-Pr/Cr-OUT
IC005 53PIN VIDEO-Pb/Cb-OUT
IC005 57PIN VIDEO-C-OUT
Are the video signals outputted to each pin of
IC005?
IC005 40PIN VIDEO-Y
IC005 39PIN VIDEO-Pr/Cr
IC005 38PIN VIDEO-Pb/Cb
IC005 30PIN VIDEO-OUT 1 (AV1)
IC005 22PIN VIDEO-OUT 2 (AV2)
Are the video signals outputted to the specific
output terminal?
Are the Y, Pb/Cb, Pr/Cr signals outputted to the
COMPONENT OUT terminal (JK1205)?
Are the composite video signals outputted to
the VIDEO OUT (AV1) terminal (JK1206)?
Are the composite video signals outputted to
the VIDEO OUT (AV2) terminal (JK1207)?
A
Yes
Yes
Yes
No
Replace P2(DVD MECHANISM & DVD/HDD MAIN
BOARD ASSEMBLY).
Check the line between each pin of CN1201 and
each pin of IC005, and replace P1(AV ASSEMBLY)
No
if defective.
CN1201 7PIN
CN1201 1PIN
CN1201 5PIN
CN1201 3PIN
CN1201 9PIN
No
Is 5V voltage supplied to the Pin(27,29,47,63) of IC005?
Yes
Replace P1(AV
ASSEMBLY).
Check the periphery of JK1205 from Pin (38,39,
No
40) of IC005 and replace P1(AV ASSEMBLY) if
defective.
No
Check the periphery of JK1206 from Pin (30) of
IC005 and replace P1(AV ASSEMBLY) if defective.
No
Check the periphery of JK1207 from Pin (22) of
IC005 and replace P1(AV ASSEMBLY) if defective.
1-9-6
→ IC005
51PIN VIDEO-Y(I/P)-OUT
→ IC005
55PIN VIDEO-Y(I)-OUT
→ IC005
52PIN VIDEO-Pr/Cr-OUT
→ IC005
VIDEO-Pb/Cb-OUT
53PIN
→ IC005
57PIN VIDEO-C-OUT
No
Check AL+5V(2) line and replace
P1(AV ASSEMBLY), P5(BOARD
POWER SUPPLY) if defective.
E2G71TR