• Service Manuals |
  • Sony |
  • TV |
  • KDL-46W950A, KDL-46W954A, KDL-46W955A, KDL-46W957A, KDL-55W950A, KDL-55W954A, KDL-55W955A, KDL-55W957A

DOWNLOAD Sony KDL-46W950A / KDL-46W954A / KDL-46W955A / KDL-46W957A / KDL-55W950A / KDL-55W954A / KDL-55W955A / KDL-55W957A Service Manual ↓ Size: 54.97 MB | Pages: 127 in PDF or view online for FREE

Model
KDL-46W950A KDL-46W954A KDL-46W955A KDL-46W957A KDL-55W950A KDL-55W954A KDL-55W955A KDL-55W957A
Pages
127
Size
54.97 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / COMMON
File
kdl-46w950a-kdl-46w954a-kdl-46w955a-kdl-46w957a-kd.pdf
Date
PREV: Sony KDL-40W900A / KDL-40W905A / KDL-46W900A / KDL-46W904A / KDL-46W905A / KDL-55W900A / KDL-55W904A / KDL-55W905A Service Manual

Sony KDL-46W950A / KDL-46W954A / KDL-46W955A / KDL-46W957A / KDL-55W950A / KDL-55W954A / KDL-55W955A / KDL-55W957A Service Manual ▷ View online

RB1G
CHASSIS
W950A/ W954A/ W955A/ W957A
Troubleshooting
Troubleshooting Reference 
BKE and BKX board Side A (Not applicable for this model)
BKE and BKX board Side A (Not applicable for this model)
CL4
6
CL4
6
CL4
6
CL4
6
CL4
6
F4601
6
02
6
04
6
03
6
05
6
07
IC4601
CL4601
CL4601
97
RB1G
CHASSIS
W950A/ W954A/ W955A/ W957A
Troubleshooting
Troubleshooting Reference 
BKE and BKX board Side B (Not applicable for this model)
BKE and BKX board Side B (Not applicable for this model)
CL4606
98
RB1G
CHASSIS
W950A/ W954A/ W955A/ W957A
Troubleshooting
3-3-5.  No Sound: HP / Lineout Only
No Sound
Size
B*
Board 
Type
G*
Board 
Type
46”
BM
G3A
HP / Lineout only
BA2 / BM / BKE / BKX Power 
On checking
This is for Main SP got sound, but HP / Lineout no sound
Note: 
(AYU2) – IC9000
(Brownie)- IC9001
55”
BM
G3B
RB1 Main Board Power On Checking
No
Checking Item
OK
NG
If
 NG
1
Insert HP Jack. Check R4508
Vdc = 3.3V ± 0.3V
Vdc = 0V or < 1V
Check HP_DET line 
(R8113 – for BA2 and BM)
(R8124 – for BKE and BKX) got
(R8124  for BKE and BKX) got 
short to GND?
2
Check IC4501 Pin 5 
(X AUDIO MUTE  SPHPLO)
Vdc = 3.3V ± 0.3V
Vdc = 0V or < 1V
Check X_AUDIO_ MUTE1_ SPHLO 
(Pin 5) 
short to GND?
( _
_
_
)
(
)
3
Check CL4505, CL4506.
(with audio signal input)
Can see audio signal 
waveform
Cannot see audio signal 
waveform
Go to below item No. 4 for checking
4
Check IC4501 pin 9
Vdc = 3.3V ± 0.3V
No 3.3V supply
5
Check CL4501, CL4502
(with audio signal input)
Can see audio signal 
waveform
Cannot see audio signal 
waveform
Brownie IC (IC9001) NG
99
RB1G
CHASSIS
W950A/ W954A/ W955A/ W957A
Troubleshooting
Troubleshooting Reference 
BA2 Board Side A (Not applicable for this model)
BA2 Board Side A (Not applicable for this model)
CL4505
CL4506
C
505
R4508
100
Page of 127
Display

Click on the first or last page to see other KDL-46W950A / KDL-46W954A / KDL-46W955A / KDL-46W957A / KDL-55W950A / KDL-55W954A / KDL-55W955A / KDL-55W957A service manuals if exist.

RANDOM: