Sony XBR-65Z9D Service Manual page 42

FLOW
4-2. NO PICTURE
No Picture
Video 2
No Picture
NG
* Check J2601
Check if input OSD
Connection,
is GREY OUT
VIDEO_DET
OK if it is highlighted
OK
** Detailed check all
parts at VIDEO_DET
signal Path [R2630]
NG (Vpp: 0 V)
Check wave between
C2628 and IC1000
OK (Vpp: 1 V)
Muffin [IC1000]
J2601 Connector
Problem
XBR-65Z9D
NG (Vpp: 0V)
At R2631
OK (Vpp: 3.3 V)
NG (Vpp: 0V)
OK (Vpp: 3.3V)
**
Detailed check all parts
at CVBS3P signal path
[D2609/R2621/C2612/R2643]
OK
J2601 Connectivity
Problem Problem
Input Skip function
NG
Parts Broken
 OK Condition : No solder splash can be seen
*
 NG Condition : Solder splash can be seen
TROUBLE SHOOTING
 OK Condition : No part short-circuited
**
 NG Condition : Part short-circuited
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