Sony XBR-65Z9D Service Manual page 41

FLOW
4-2. NO PICTURE
Component
No Picture
*
NG Check J2600 Con
Check if input OSD
VIDEO_DET at
is GREY OUT
R2626,
OK if it is highlighted
CR_DET at R2650
OK
** Detailed check all parts
at VIDEO_DET signal
Path [R2627] and CR_DET
signal path [R2637]
OK (Vpp: 3.3 V)
Check wave
NG (Vpp: 0 V)
Between
C2602/C2605/C2607
and IC1000
OK (Vpp: 1 V)
Muffin [IC1000] J2600 Connector
Problem Problem
XBR-65/75/100Z9D
No Picture
NG (Vpp: 0 V)
OK (Vpp: 3.3 V)
NG (Vpp: 0 V)
**
Detailed check all parts
at signal path of:
Y0P : [D2601/R2606/C2603/
R2639/R2604]
PB0P : [VD2603/R2603/C2601/
R2638/R2607]
PR0P : [VD2601/R2610/C2606/
R2611]
J2600 Connectivity
Problem
Video 2
No Picture
Check if input OSD
is GREY OUT
OK if it is highlighted
OK
Check wave between
NG
C2611 and IC1000
OK (Vpp: 1 V)
OK
Muffin [IC1000]
Parts Broken
Problem
 OK Condition : No solder splash can be seen
*
 NG Condition : Solder splash can be seen
TROUBLE SHOOTING
NG
*
Check J2600
NG (Vpp: 0 V)
Connection,
VIDEO_DET
At R2626
OK (Vpp: 3.3 V)
**
Detailed check all
NG (Vpp: 0 V)
parts at VIDEO_DET
Signal Path [R2627]
OK (Vpp: 3.3 V)
NG (Vpp: 0 V) **
J2600 Connector J2600 Connectivity
Problem Problem
 OK Condition : No part short-circuited
**
 NG Condition : Part short-circuited
Detailed check all parts NG
at CVBS2P signal path
[D2601/R2606/C2603/
R2640/R2619]
OK
Parts Broken
41