Sony GN3UN - Video Analog Signal Path - no Picture - General Checking

3f.9.1 Video Analog Signal Path – No Picture – General Checking - WW Destination (BLM_Others)
3f.9 Video Analog Signal Path
Check waveform
before C3007.
Is it Vpp : 1V?
Check if input on OSD
is GREY OUT?
(not selectable)
IC5000 Problem.
(Refer IC troubleshooting
manual)
J3002 Connectivity
Problem.
Parts Broken.
(Change Part)
J3002 Connector
Problem.
(Change connector)
Yes
No
Yes
No
Check all parts
at CVBS0P signal path.
[VD3001,R3005,
C3001, R3018]
Check R3021 voltage.
Is it 3.3V?
No
Yes
Yes
No
Video
No Picture
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