Sony KDL-32W6 E Series Service Manual page 77

3f.9 Video Analog Signal Path
3f.9.2 Video Analog Signal Path – No Picture – General Checking - No Picture WW Destination (BLM_UC Only)
KM Unique
Video
No Picture
Check waveform
No
before C3007?
Is it Vpp : 1V?
Yes
Check all parts
No
at CVBS1P signal path.
[VD3001,R3005,
C3039, R3018]
J3000 connector
Problem.
(Change connector)
No Picture or
Abnormal Picture
Reinsert Mini Plug
Video Adaptor
until hear
"click" sound
IC5000 Problem
(Refer IC
troubleshooting
manual)
Parts Broken.
(Change Part)
Mini Plug Video
Adaptor
Component
No Picture
Check Vpp waveform
at 1) C3004 for Y : 1V?
2) C3009 for Pb :0.7V?
3) C3010 for Pr :0.7V?
Yes
1) Y : 1V
Check all parts.
Y: VD3001,R3005,C3039,
R3017,C3006,R3015
PB: VD3002, R3006, C3002, R3019
PR: VD3003, R3007, C3003,
R3020, C3010
J3000 connector
Problem.
(Change connector)
IC5000 Problem
No
(Refer IC
troubleshooting
manual)
2) Pb : 0.7V
3) Pr : 0.7V
No
Parts Broken.
(Change Part)
77