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Model
KDL-32R400C KDL-32R403C KDL-32R405C KDL-32R408C KDL-32R410C KDL-40R450C KDL-40R453C KDL-40R455C KLV-32R412C
Pages
127
Size
14.66 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / COMMON
File
kdl-32r400c-kdl-32r403c-kdl-32r405c-kdl-32r408c-kd.pdf
Date
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Sony KDL-32R400C / KDL-32R403C / KDL-32R405C / KDL-32R408C / KDL-32R410C / KDL-40R450C / KDL-40R453C / KDL-40R455C / KLV-32R412C Service Manual ▷ View online

Troubleshooting
3-6. Video Problem
3-6-1. Video Analog Signal Path
49
Troubleshooting
3-6. Video Problem
3-6-1. No Picture AEP/UK Destination (BE) (a)
No Picture AEP/UK
SCART RGB
N Pi t
No Picture
Check RGB_SWITCH
IC5000 Y12
[SOY1] at R3055
*
Check CN3001 
Connection
NG 
[
LOW : OV
]
** 
Detailed check all parts
at RGB_SWITCH signal
Path [VD3016/R3053]
OK
NG
Check wave at 
**
Detailed check all parts at 
CN3001 along signal path
at Pin No: 
7 : [VD3015/R3059/C3037/
NG (Vpp: 0 V)
[
]
[
]
NG
OK
NG
OK [
HIGH: 0.4V 
 Composite
]
OK [
HIGH: 3V 
 RGB
]
OK (Vpp: 1 V)
C3019(Ref1) /C3021(Ref2)
C3022(Ref3) &C5000 
R3062]
11 : [VD3014/R3060/C3038/
R3064]
15 : [VD3013/R3061/C3039/
R3065]
( pp
)
NG
OK
Ref1
Ref2
Ref3
MT5565 [IC5000] 
P bl
CN3001 Connectivity 
Problem
CN3001 Connector 
Problem
Parts Broken
**
 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 
Problem
Problem
Problem
Parts Broken
50
Troubleshooting
3-6. Video Problem
3-6-1. No Picture AEP/UK Destination (BE) (b)
SCART CVBS
N Pi t
AEP/UK
SCART CVBS
No Picture
Check RGB_SWITCH
IC5000 Y12
*  
Check CN3001 
Connection
NG
[
HIGH
]
NG
No Picture AEP/UK
[SOY1] at R3055
Connection
** 
Detailed check all parts
at RGB_SWITCH signal
Path [VD3016/R3053]
OK [
LOW
]
OK
NG
Check wave between
C3023 (Ref 4) and IC5000
Detailed check all parts at 
CN7501 along signal path
at Pin No: 
Path [VD3016/R3053]
OK
NG
NG (Vpp: 0 V)
C3023 (Ref 4)  and IC5000
20 : [VD3007/R3054/C3034/
R3066]
OK
OK (Vpp: 1 V)
Ref4
MT5565 [IC5000] 
Problem
CN3001 Connector
Problem
CN3001 Connectivity 
Problem
Parts Broken
**
 OK Condition : No part short-circuited
NG C
diti
P t h t i
it d
*
 OK Condition : No solder splash can be seen
 NG C diti
S ld
l
h
b
51
NG Condition : Part short-circuited
 NG Condition : Solder splash can be seen 
Troubleshooting
3-6. Video Problem
3-6-1. No Picture AEP/UK Destination (BE) (c)
Video 
No Picture
Check if input OSD 
is GREY OUT
O
f
* 
Check J3001  
Connection, 
VIDEOB DET
NG
No Picture AEP/UK
NG
OK if it is highlighted
VIDEOB_DET
At R3015
OK
OK
Check wave between 
C3011 (Ref9) and IC5000
** 
Detailed check all parts
at CVBS1P signal path 
[VD3004/R3022]
NG
OK (Vpp: 1 V)
NG (Vpp: 0 V)
OK
OK (Vpp: 1 V)
Ref5
MT5565 [IC5000] 
J3001 Connector
J3001 Connectivity
**
 OK Condition : No part short-circuited
*
 OK Condition : No solder splash can be seen
Problem
J3001 Connector 
Problem
J3001 Connectivity 
Problem
Parts Broken
52
NG Condition : Part short-circuited
 NG Condition : Solder splash can be seen 
Page of 127
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