Read Sony KDL-46W950A / KDL-46W954A / KDL-46W955A / KDL-46W957A / KDL-55W950A / KDL-55W954A / KDL-55W955A / KDL-55W957A Service Manual online
RB1G
CHASSIS
W950A/ W954A/ W955A/ W957A
Troubleshooting
3-5. No Picture
3-5-2. No Picture HOTEL_B2B (BA2-S HOTEL_B2B)
No Picture B2B
PC
No Picture
Check if input OSD
is GREY OUT
NG
Check CN3102
Connection,
PC_CON_DET
OK
Check wave between
R3149/R3150
and IC9001
Detailed check
CN3102 pin13,
pin 14 path
NG
OK
Detailed check
CN3102 signal path
Pin 1, pin 2, pin 3
NG
Check wave between
C3126/C3127/C3128
and IC9001
OK
Detailed TMDS path
NG
p
check between
IC9001 and IC5009
Confirm other analog
NG
Check signal
between IC9001 and
NG
HDMI EQ [IC5009]
Problem
NG
Confirm HDMI
input working
Input working
Ayu2 [IC9000]
Problem
OK
IC5009 [RB5008]
Brownie [IC9001]
Problem
OK
Note:
Size
B*
Board
Type
G*
Board
Type
123
Note:
(AYU2) – IC9000
(Brownie)- IC9001
(AYU2) – IC9000
(Brownie)- IC9001
46”
BM
G3A
55”
BM
G3B
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