Sony KDL-43W950C / KDL-50FA95C / KDL-50FA97C / KDL-50W950C Service Manual ▷ View online
13
START
Check C9216 Voltage.
Is the voltage 3.3V?
Check C9224 Voltage.
Is the voltage 1.5V?
Check C9188 Voltage.
Is the voltage 5V?
Check C9203 Voltage.
Is the voltage 1V?
END
DDCON/LDO working normal
no
yes
no
yes
no
yes
no
yes
Check C9207 is
it 1.05V?
yes
no
3-1-2 No POWER - DC/DC converter check
Check C9230 is
it 1.8V?
yes
no
Check 3.3V_MAIN
C9005 Voltage.
Is the voltage 3.3V?
no
yes
3.3V DDCON check.
(Change B* Board)
1.5V DDCON check.
(Change B* Board)
5.0V DDCON check.
(Change B* Board)
1.0V DDCON check
(Change B* Board)
1.05V LDO check
(Change B* Board)
1.8V DDCON check
(Change B* Board)
3.3V_MAIN check
(Change B* Board)
Troubleshooting
14
BMX
Board PWB (A side)
Detail
3.3V
1.5V
5.0V
C9224
F9016
C9222
F9015
C9216
C9213
R9321
F9013
C9188
R9277
C9185
15
BMX
Board PWB (A side)
Detail
1.0V
1.05V
1.8V
F9014
C9207
C9203
F9012
C9230
F9017
C9263
C9169
#PIN4
C9206
#PIN4
C9229
16
BMX
Board PWB (A side)
Detail
3.3V_MAIN
C9005
#PIN1
Q
9002
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