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RB1G
CHASSIS
W950A/ W954A/ W955A/ W957A
Troubleshooting
Troubleshooting Reference
BA2S Board (AEP) B2B > Side B (not applicable for this model)
(
)
(
pp
)
C7012
BA2S AEP B2B > B-SIDE
125
RB1G
CHASSIS
W950A/ W954A/ W955A/ W957A
Troubleshooting
3-5. No Picture
3-5-3. No Picture UC/GA/CH (BA2-S UC/GA/CH, BKX)
Size
B*
Board
Type
G*
Board
Type
46”
BM
G3A
No Picture GA
Video 1
Video 2
Component
Note:
(AYU2) – IC9000
(Brownie)- IC9001
(AYU2) – IC9000
(Brownie)- IC9001
55”
BM
G3B
No Picture
Check if input OSD
is GREY OUT
Check J3101
connection,
VIDEOA DET
No Picture
Check if input OSD
is GREY OUT
No Picture
NG
Check J3104 Conn
VIDEOB_DET,
CR DET
Check if input OSD
is GREY OUT
Check J3104
Connection,
VIDEOB DET
NG
NG
Check wave between
C3106 and IC9001
Detailed check
J3101 signal path
NG
VIDEOA_DET
Check wave
Between C3120/C3121
and IC9001
Detailed check
J3104 signal path
NG
OK
CR_DET
Check wave between
C3120 and IC9001
Detailed check
J3104 signal path
NG
VIDEOB_DET
OK
OK
HDMI EQ [IC5009]
Problem
NG
OK
NG
Detailed SDIF path
Check between
IC9001 and IC9000
OK
Confirm HDMI
input working
OK
OK
NG
Detailed SDIF path
Check between
IC9001 and IC9000
NG
OK
Confirm Analog RF
input working
Check signal
between IC9001 and
IC9000 [R8633]
A
2 [IC9000]
OK
Detailed TMDS path
check between
IC9001 and IC5009
Confirm other analog
NG
Check signal
NG
OK
Confirm Analog RF
input working
Check signal
between IC9001 and
IC9000 [R8633]
A
2 [IC9000]
OK
NG
Ayu2 [IC9000]
Problem
Confirm other analog
Input working
Ayu2 [IC9000]
OK
between IC9001 and
IC5009 [RB5008]
Brownie [IC9001]
OK
Brownie [IC9001]
Problem
Ayu2 [IC9000]
Problem
Brownie [IC9001]
Problem
126
Problem
Problem
RB1G
CHASSIS
W950A/ W954A/ W955A/ W957A
Troubleshooting
Troubleshooting Reference
BA2S Board (PA) > Side A (Not applicable for this model)
(
)
(
pp
)
J3104
J3104
J3101
R8627
RB5008
BA2S PA > A-SIDE
6
0
1
2
3
127
C310
6
C312
0
C312
1
C312
2
C312
3
RB1G
CHASSIS
W950A/ W954A/ W955A/ W957A
Troubleshooting
Troubleshooting Reference
BA2S Board (PA) > Side B (Not applicable for this model)
(
)
(
pp
)
C8017
C7010
C7008
C7008
BA2S PA > B-SIDE
128
