Sony KJ-32W7 C Series Service Manual page 86

Troubleshooting
3-4-4 : No Picture UC/GA/CH (BAX_L +TUS UC/GA/CH) (b)
No Picture GA
Component No
Picture
NG
[LOW]
Check if input OSD Check
is GREY OUT Connection
OK
OK [HIGH]
Detailed check parts
at VIDEOB_DET path
[C7026] and CR_DET
path [C7025]
OK
J3104
Problem
86
Detailed check all parts
NG
Check wave between
J3104 along signal path at pin
C3018/C3019 and
GREEN:
IC9001
[VD3127, R3014, R3021]
OK
NG
Confirm HDMI
HDMI EQ
input working
[IC5009] Problem
OK
Check signal
Confirm
NG
between IC9001
Analog RF
and
input working
IC9000 [R8570]
OK
OK
Brownie [IC9001] Ayu2 [IC9000]
Problem
Problem
NG J3104
J3104
Connectivity
Problem
NG
Connector
Parts Broken
OK
NG
Detailed SDIF
path
NG
Check between
IC9001 and
IC9000