JX-S555(J)
14 (No. 70251)
8. The S-Video
inputs at CH1 to
CH4 are not
displayed.
(Y) Q131: Emitter
(C) Q133: Emitter
C
(Y)
(C)
(Y)
(C)
NO
YES
Go to check
D
.
Check IC107, IC108, output buffer
and their surroundings.
(Y) Q108: Emitter
(C) Q109: Emitter
D
NO
YES
Check IC101 and surroundings.
Check IC102, IC104 and their
surroundings.
Symptom
Check Results and Failures
(Y) Q110: Emitter
(C) Q111: Emitter
NO
YES
Check IC101 and surroundings.
Check IC102, IC104 and their
surroundings.
F
10. The S-Video
input at CH5 is
not displayed.
(Y) Q104: Emitter
(C) Q102: Emitter
NO
YES
Check Q101 to Q104, Q119, Q120
and their surroundings.
Go to check
C
.
G
2.0 Vp-p
1.28 Vp-p
(Y)
(C)
2.0 Vp-p
1.28 Vp-p
(Y)
(C)
2.0 Vp-p
1.28 Vp-p
9. The S-Video
inputs at CH1 to
CH4 are not
output at the
Monitor output.
(Y) Q137: Emitter
(C) Q139: Emitter
E
(Y)
(C)
NO
YES
Go to check
F
.
Check output buffer and
surroundings.
2.0 Vp-p
1.28 Vp-p
2.0 Vp-p
1.28 Vp-p
Check Points
Normal Voltage/Waveform
