No Picture (Bm3J) - Sony KD-55A9G Service Manual

2019/04/19 01:55:00 (GMT+09:00)

4.2 : No Picture (BM3J)

No Picture
Video
No Picture
Check if input OSD
is GREY OUT
OK if it is highlighted
Check wave between
C3205 and IC1000
OK (Vpp: 1 V)
Muffin [IC1000]
Problem
NG
* Check J3200
NG (Vpp: 0V)
Connection,
VIDEO_DET
At R3207
OK (Vpp: 3.3 V)
OK
NG (Vpp: 0V)
** Detailed check all
parts at VIDEO_DET
signal Path [R3206]
OK (Vpp: 3.3V)
NG (Vpp: 0 V)
J3200 Connector
Problem
 OK Condition : No solder splash can be seen
*
 NG Condition : Solder splash can be seen
TV Business Division
**
Detailed check all parts
NG
at CVBS3P signal path
[R3205/R3208/C3200
/VR3200]
OK
J3200 Connectivity
Parts Broken
Problem
57
 OK Condition : No part short-circuited
**
 NG Condition : Part short-circuited
57
SYS SET