Sony BRAVIA KDL-55W900A, Service Manual

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RB1G
CHASSIS
W900A/904A/905A
Troubleshooting
3-5. No Picture
3-5-12. NO PICTURE: HDMI (BA2 & BM Board)
Size B* Board Type G* Board
Type
OTHERS JP
40” BA2-S BA2-W G1A
Check PWR pin of IC5009
pin7, pin8, pin17,
Pin26, pin27, pin36, Pin60, pin62,
pin77,pin87, pin88, pin97
and pin98.
Note:
(AYU2) – IC9000
(Brownie) IC9001
46” BA2-S BA2-W G1A
55” BA2-S BA2-W G1B
Check R5085, R5090,
RB5012 and RB5013
Replace
NG part
NG
YES
Check Reset pin of IC5009.
Pin71.
High
(Brownie)- IC9001
All Pin OK?
Replace
IC5009
Replace
IC9000
NG part
OK
Only one of the pins
is NG?
YES
NO
Low
Replace
Q5010
Replace
R5016
Only 7pin & 26pin & 97pin
are NG?
NO
NO
YES
Only 60pin
is NG?
Replace
R5050
YES
NO
Replace
R5018
Only 8pin & 36pin & 77pin
are NG?
NO
NO
YES
R5050
Only 62pin
is NG?
Replace
R5052
YES
Replace
R5015 or R5076
Replace
R5032
Only 17pin & 27pin & 98pin
are NG?
Only 87pin
is NG?
NO
NO
YES
YES
Replace
IC9000
Only 88pin
is NG?
NO
YES
NO
NO
YES
Note:
179
I2C wave is output?
Pin 72, Pin73
NO
Replace
IC5009
YES
Replace
IC9000
ote
(AYU2) – IC9000
(Brownie)- IC9001