Section 2: Troubleshooting; - No Power: General; - No Power: Ac Adaptor - Sony KDL-32W700B Service Manual

SECTION 2: TROUBLESHOOTING

[2.1 - NO POWER]
RB2G CHASSIS
RB2G CHASSIS
W700B/ W800B
W700B/ W800B
2-1. No Power 2-1 No Power

2.1-1 - NO POWER: GENERAL

2-1 No Power 2-1. No Power
2-1-1. General
2-1-1. General
No Power
No Power
Check STBY 3.3V
Check STBY 3.3V
NG
L9107 or C9179
L9107 or C9179
OK
OK
B Board B* Board
B Board B* Board
DC/DC converter check
NO POWER: Ayu2 control
Board Board PWB (B side)
Name
Board Board PWB (B side)
BAX
Name
(L9107)
BAX
(L9107)
BAX
(C9179)
BAX
(C9179)
Chassis: RB2G, HE-L
Replace NG
NG
Replace NG
Between G* Board to
Between G* Board to
B* Board Harness G* Board
B* Board Harness
OK
OK
Harness
Harness
DC/DC converter check
NO POWER: Ayu2 control
Detail
Detail
L9107 L9107
C9179
SECTION 2
SECTION 2
TROUBLESHOOTING
TROUBLESHOOTING
2-1-2. No Power  AC Adaptor 2-1-2 No Power  AC Adaptor
2-1-2. No Power  AC Adaptor 2-1-2 No Power  AC Adaptor

2.1-2 - NO POWER: AC ADAPTOR

No Power
No Power
Check STBY 3.3V
G* Board
Check STBY 3.3V
NG
L9107
L9107
OK OK
OK OK
B* Board B* B d
B* Board B* B d
L9107 L9107
C9179
Replace
Replace
NG
NG
Between LD* Board to Replace
NG
LD* Board
Between LD* Board to
B* Board Harness
LD* Board
OK
B* Board Harness
OK
OK
OK
Harness
LD* Board
 For HT, HM, change LD board.
Harness
 For HE, change Panel.
 For HT, HM, change LD board.
 For HE, change Panel.
DC/DC converter check
NO POWER: Ayu2 control
DC/DC converter check
NO POWER: Ayu2 control
Chassis: RB2G, HE-L
NG
Replace
NG
Adapter
Adapter
LD* Board
10