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  • 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
3-3-4. Main Board Power On Checking (for Main SP Lch & Rch)
No
Checking Item
OK
NG
If
 NG
If 
 NG
5
Check CL4605, 
CL4606, CL4607
Vdc = 3.3V ± 0.3V
Vdc < 0.8V
CL4606 NG,
Check IC4601
CL4605,4607 NG,
Check IC9000
6
Check CL4601, 
CL4602, CL4603, 
CL4604
CL4601 = 12.288MHz
CL4603 = 3.072MHz
CL4604 = 48KHz
CL4602 = moving CLK
If no frequency at CL4601, 
CL4603, CL4604, Ayu2 IC 
(IC9000) NG.
If  no frequency at CL4602, 
If sound source OK, 
but CL4602 = NG,
Ayu2 IC (IC9000) NG.
All Vp-p 
≈ 3.3V
make sure sound source 
OK.
Note:
Size
B*
Board 
Type
G*
Board 
Type
46”
BM
G3A
93
Note: 
(AYU2) – IC9000
(Brownie)- IC9001
46”
BM
G3A
55”
BM
G3B
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)
C
C
C
C
L4602
C
L4603
C
L4604
CL4601
94
RB1G
CHASSIS
W950A/ W954A/ W955A/ W957A
Troubleshooting
Troubleshooting Reference 
BA2 board Side B (Not applicable for this model)
(
pp
)
CL4607
95
CL4605
CL4606
RB1G
CHASSIS
W950A/ W954A/ W955A/ W957A
Troubleshooting
Troubleshooting Reference 
BM board Side B
CL4606
C
L
C
L
C
L
C
L
CL4605
IC4601
CL4606
L
460
2
L
460
1
L
460
3
L
460
4
CL4607
96
Page of 127
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