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Chassis: RB2G, HE-L
Chassis: RB2G, HE-L
10
SECTION 2: TROUBLESHOOTING
[2.1 - NO POWER]
RB2G CHASSIS
W700B/ W800B
TROUBLESHOOTING
SECTION 2
2-1 No Power
2-1-2 No Power AC Adaptor
No Power
2-1. No Power
No Power
2-1-2. No Power AC Adaptor
2-1-1. General
NG
NG
Check STBY 3.3V
L9107 or C9179
G* Board
Replace
Between G* Board to
B* Board Harness
NG
OK
NG
OK
Check STBY 3.3V
L9107
Adapter
Replace
Between LD* Board to
B* Board Harness
OK
NG
OK
Replace
LD* Board
OK
Harness
B* Board
Harness
B* B
d
OK
LD* Board
For HT, HM, change LD board.
For HE, change Panel.
For HE, change Panel.
B Board
DC/DC converter check
NO POWER: Ayu2 control
B* Board
DC/DC converter check
NO POWER: Ayu2 control
Board
Name
Board PWB (B side)
Detail
BAX
L9107
(L9107)
L9107
BAX
(C9179)
C9179
RB2G CHASSIS
W700B/ W800B
TROUBLESHOOTING
SECTION 2
2-1 No Power
2-1-2 No Power AC Adaptor
No Power
2-1. No Power
No Power
2-1-2. No Power AC Adaptor
2-1-1. General
NG
NG
Check STBY 3.3V
L9107 or C9179
G* Board
Replace
Between G* Board to
B* Board Harness
NG
OK
NG
OK
Check STBY 3.3V
L9107
Adapter
Replace
Between LD* Board to
B* Board Harness
OK
NG
OK
Replace
LD* Board
OK
Harness
B* Board
Harness
B* B
d
OK
LD* Board
For HT, HM, change LD board.
For HE, change Panel.
For HE, change Panel.
B Board
DC/DC converter check
NO POWER: Ayu2 control
B* Board
DC/DC converter check
NO POWER: Ayu2 control
Board
Name
Board PWB (B side)
Detail
BAX
L9107
(L9107)
L9107
BAX
(C9179)
C9179
2.1-1 - NO POWER: GENERAL
2.1-2 - NO POWER: AC ADAPTOR
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