Sony XR-65X95K Service Manual page 45

TROUBLESHOOTING
4.2 No Picture
No Picture
Video
No Picture
NG
Check if input OSD
is GREY OUT
OK if it is highlighted
OK
by using any
※
Oscilloscope
※
Check wave between
C2825 and IC1000
NG (Vpp: 0 V)
OK (Vpp: 0.56 V)
Muffin [IC1000]
Problem
* Check J2800 NG (Vpp: 0V)
Connection, VIDEO_
DET at R2841
OK (Vpp: 3.3 V)
** Detailed check all
parts at VIDEO_DET
signal Path [R2840]
OK (Vpp: 3.3V)
J2800
J2800
Connectivity
Connector
Problem
Problem
NG (Vpp: 0V)
** Detailed check all parts
at CVBS0P signal path
NG
[R2843/R2844/R2845
/R2852/R2853/VR2800/
D2800
OK
Parts Broken
Condition Actions to be taken
Refer to IC troubleshooting for further
Muffin [IC1000]
investigation
Problem
J2800
Connector
Problem
Change Connector
J2800
Connectivity
Problem
Change Part
Parts Broken
*  OK Condition : No solder splash can be seen
 NG Condition : Solder splash can be seen
**  OK Condition : No part short-circuited
 NG Condition : Part short-circuited
45
SYS SET