Sony RB1G Service Manual page 125

Troubleshooting
3-5. No Picture
3-5-2. No Picture HOTEL_B2B (BA2-S HOTEL_B2B)
No Picture B2B
PC
No Picture
NG
Check CN3102
Check if input OSD
Connection,
is GREY OUT
PC_CON_DET
OK
NG
Check wave between Detailed check
R3149/R3150 CN3102 pin13,
and IC9001 pin 14 path
OK
NG Detailed check
Check wave between
CN3102 signal path
C3126/C3127/C3128
and IC9001 Pin 1, pin 2, pin 3
OK
NG
HDMI EQ [IC5009]
Confirm HDMI
input working Problem
NG
Confirm other analog
Input working
OK
Brownie [IC9001]
Problem
Detailed TMDS path
check between
IC9001 and IC5009
NG
Check signal
between IC9001 and
IC5009 [RB5008]
OK
Ayu2 [IC9000]
Problem
Note:
(AYU2) – IC9000
(Brownie)- IC9001
RB1G CHASSIS
W600A/ W603A/ W605A/ W607A/ W650A/ W651A/ W653A/
W654A/ W655A/ W656A/W657A/ W658A/ W670A/ W674A
Size B* Board Type
(Segment: LW)
OTHERS EUROPE JP
32" BKX BKE BKJ
42" BKX BKE BKJ
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