Sony KD-55A8F - 4.2: No Picture (BM2 A)

Video
No Picture
Check wave between
C2609 and IC1000
** Detailed check all parts
at CVBS3P signal path
[R2642/R2631/R2607
/C2621/C2609/VD2604]
Check if input OSD
is GREY OUT
OK if it is highlighted
* Check J2600
Connection,
VIDEO2_DET
At R2612
Muffin [IC1000]
Problem
OK
NG
No Picture
J2600 Connectivity
Problem
** Detailed check all
parts at VIDEO2_DET
signal Path [R2611]
Parts Broken
J2600 Connector
Problem
OK
NG
**  OK Condition : No part short-circuited
 NG Condition : Part short-circuited
*  OK Condition : No solder splash can be seen
 NG Condition : Solder splash can be seen
OK (Vpp: 1 V)
NG (Vpp: 0 V)
[All voltage measurement using Oscilloscope]
OK (Vpp: 3.3 V)
NG (Vpp: 0V)
OK (Vpp: 3.3V)
NG (Vpp: 0V)
Condition Actions to be taken
Refer to IC troubleshooting for
further investigation
Change Connector
Change Part
J2600 Connector
Problem
Parts Broken
Muffin [IC1000]
Problem
J2600 Connectivity
Problem
45
4.2: No Picture (BM2A)
SYSSET
2018/03/1622:32:44(GMT+09:00)