Sony X930E Series Service Manual page 37

FLOW
4-2. NO PICTURE (VIDEO 1/VIDEO 2/COMPONENT)
VIDEO 1
No Picture
Video 1
No Picture
Check if input OSD
NG
is GRAY OUT
OK if it is highlighted
OK
Check wave between NG (Vpp: 0 V)
C2628 and IC1000
OK (Vpp: 1 V)
Muffin [IC1000]
Problem
XBR-55/65X930E, 75X940E
* Check J2601
NG (Vpp: 0V)
Connection,
VIDEO_DET
At R2631
OK (Vpp: 3.3 V)
** Detailed check all
NG (Vpp: 0V)
parts at VIDEO2_DET
signal Path [R2630]
OK (Vpp: 3.3V)
J2601
J2601
Connector Connectivity
Problem Problem
 OK Condition : No solder splash can be seen
*
 NG Condition : Solder splash can be seen
**
Detailed check all parts
NG
at CVBS3P signal path
[D2609/R2629/R2621/C2612
C2628/R2643/VD207]
OK
Parts Broken
 OK Condition : No part short-circuited
**
 NG Condition : Part short-circuited
TROUBLE SHOOTING
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