Sony KJ-32W7 C Series Service Manual page 89

Troubleshooting
3-4-4 : No Picture Japan Destination (BAX-L + TUW JP)(a)
No Picture JP
ビ デオ
No Picture
[LOW]
Check if input
OSD is GREY
OUT
OK [HIGH]
NG
Check wave between
C3000 and IC9001
OK
Confirm NG
Analog RF
input working
OK
Brownie [IC9001]
Problem
NG
NG
J3101
Check J3101
Connectivity
Connection
Problem
OK
Detailed check all parts
at VIDEOA_DET
at [R3114, C7030] NG
OK
J3101 Connector
Parts Broken
Problem
OK
Detailed check all parts
NG
CN3101 along signal path at pin
YEL:
[VD3110, R3008, R3000]
Detailed SDIF
Check signal
NG path
between IC9001
Check between
and
IC9001 and
IC9000 [R8570]
IC9000
OK
Ayu2 [IC9000]
Problem
コ ン ポーネン ト
Check if input OSD
is GREY OUT
No Picture
Check wave between
C3018/C3019 and
IC9001
OK
Confirm HDMI
input working
Confirm
Analog RF
input working
OK
Brownie [IC9001]
Problem
NG
[LOW]
NG
Check TB3101
Connection
OK
OK [HIGH]
Detailed check parts
at VIDEOB_DET path
[C7026]
OK
TB3101
Connector
Problem
OK
Detailed check all parts
NG
TB3101 along signal path at
pin :
7[R3014, R3021]
NG
HDMI EQ
[IC5009] Problem
OK
Check signal
NG NG
between
IC9001 and
IC9000 [R8570]
OK
89
Ayu2 [IC9000]
Problem
TB3101
Connectivity
Problem
NG
Parts Broken
NG
Detailed SDIF
path
Check between
IC9001 and
IC9000