Sony GN3TR - Page 38

* Check J2600
Connection,
VIDEO_DET
At R2626
** Detailed check all
parts at VIDEO_DET
signal Path [R2627]
J2600
Connector
Problem
XBR-49/55/65/75X900E
TROUBLE SHOOTING
FLOW
4-2. NO PICTURE (VIDEO 1/VIDEO 2/COMPONENT)
COMPONENT / VIDEO 2
38
**  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
Video 2
No Picture
Check wave between
C2611 and IC1000
Check if input OSD
is GRAY OUT
OK if it is highlighted
OK
NG
No Picture
Muffin [IC1000]
Problem
** Detailed check all parts
at CVBS2P signal path
[D2601/R2606/C2603/
R2640/R2619/
C2611/VD2602]
J2600
Connectivity
Problem
Parts Broken
OK
NG
OK (Vpp: 1 V)
NG (Vpp: 0 V)
OK (Vpp: 3.3 V)
NG (Vpp: 0 V)
OK (Vpp: 3.3 V)
NG (Vpp: 0 V)
Component
No Picture
Check wave
Between
C2602/C2605/C2607
and IC1000
** Detailed check all parts
at signal path of:
Y0P : [D2601/R2606/C2603/
R2639/R2604/VD2602/C2602]
PB0P : [VD2603/R2603/C2601/
R2638/R2607/C2605]
PR0P : [VD2601/R2610/C2606/
R2611/C2607]
OK
Check if input OSD
is GRAY OUT
OK if it is highlighted
NG
* Check J2600 Con
VIDEO_DET at R2626,
CR_DET at R2650
Muffin [IC1000]
Problem
** Detailed check all
parts at VIDEO_DET
signal path [R2627]
and CR_DET
signal path [R2637]
Parts Broken
J2600
Connector
Problem
OK
NG
J2600
Connectivity
Problem
OK (Vpp: 1 V)
NG (Vpp: 0 V)
OK (Vpp: 3.3 V)
NG (Vpp: 0 V)
OK (Vpp: 3.3 V)
NG (Vpp: 0 V)