Sony RB1G Service Manual page 128

Troubleshooting
3-5. No Picture
3-5-3. No Picture UC/GA/CH (BA2-S UC/GA/CH, BKX)
No Picture GA
Video 1
No Picture
Check if input OSD
is GREY OUT
OK
Check wave between
C3106 and IC9001
OK
Confirm Analog RF
input working
OK
Brownie [IC9001]
Problem
Video 2
No Picture
NG
Check J3101
Check if input OSD
connection,
is GREY OUT
VIDEOA_DET
OK
NG
Detailed check
Check wave between
J3101 signal path
C3120 and IC9001
OK
Detailed SDIF path
Check between
IC9001 and IC9000
NG
NG
Check signal
Confirm Analog RF
between IC9001 and
input working
IC9000 [R8633]
OK
OK
Ayu2 [IC9000]
Brownie [IC9001]
Problem
Problem
Component
No Picture
Check J3104
NG
Check if input OSD
Connection,
is GREY OUT
VIDEOB_DET
OK
NG
Check wave
Detailed check
Between C3120/C3121
J3104 signal path
and IC9001
OK
Detailed SDIF path
Confirm HDMI
Check between
input working
IC9001 and IC9000
NG
OK
NG
Check signal
between IC9001 and
IC9000 [R8633]
OK
Confirm other analog
Ayu2 [IC9000]
Input working
Problem
OK
Brownie [IC9001]
Problem
W600A/ W603A/ W605A/ W607A/ W650A/ W651A/ W653A/
W654A/ W655A/ W656A/W657A/ W658A/ W670A/ W674A
Size B* Board Type
(Segment: LW)
OTHERS EUROPE
32" BKX BKE
42" BKX BKE
Note:
(AYU2) – IC9000
(Brownie)- IC9001
NG
Check J3104 Conn
VIDEOB_DET,
CR_DET
NG
Detailed check
J3104 signal path
NG
HDMI EQ [IC5009]
Problem
Detailed TMDS path
check between
IC9001 and IC5009
NG
NG Check signal
between IC9001 and
IC5009 [RB5008]
OK
Ayu2 [IC9000]
Problem
RB1G CHASSIS
JP
BKJ
BKJ
128