Sony RB1G Service Manual page 254

Troubleshooting
3-1-1. No POWER DC / DC Converter Check
START
Check SL9111 Voltage. no
Is the voltage 1V?
yes
Check
SL9109 (B-others)
no
JL9132 (BL*) Voltage.
Is the voltage 5V?
yes
Check
no
SL9103 (B-others)
JL9116 (BL*) Voltage.
Is the voltage 3.3V?
yes
Check
no
SL9107 (B-others)
JL9125 (BL*) Voltage.
Is the voltage 1.5V?
yes
Check F9105
(Check before fuse &
after fuse condition)
Check F9104
(Check before fuse &
after fuse condition)
Check F9102
(Check before fuse &
after fuse condition)
Check F9102
(Check before fuse &
after fuse condition)
Check
SL9105 (B-others)
no
JL9126 (BL*)
Voltage.
Is the voltage
1.18V?
yes
END
W600A/ W603A/ W605A/ W607A/ W650A/ W651A/ W653A/
W654A/ W655A/ W656A/W657A/ W658A/ W670A/ W674A
Check F9106
(Check before fuse &
after fuse condition)
Size B* Board Type
(Segment: LW)
OTHERS EUROPE
24" BLX BLE
32" BKX/BLX BKE/BLE
42" BKX/BLX BKE/BLE
50" BLX BLE
RB1G CHASSIS
JP
BLJ
BKJ/BLJ
BKJ/BLJ
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