Sony Bravia KDL-42W800A, Service Manual, Page: 175 / 238

RB1G CHASSIS
W800A/W801A/W802A/W804A/W805A/W806A/W807A/W808A/W809A
Troubleshooting
3-5. No Picture
3-5-12. NO PICTURE: NO PICTURE: HDMI (BA2 & BM Board) (not applicable for this model)
Check PWR pin of IC5009
pin7, pin8, pin17,
Pin26, pin27, pin36, Pin60, pin62,
pin77,pin87, pin88, pin97
and pin98.
Size
B* Board Type G* Board Type
OTHERS JAPAN CHINA ASIA AMERICA EUROPE JAPAN
42 BA2S BA2W GL2S GL2S GL2E(CH) GL2E(ID) GL2S
47 BA2S BA2W GL2S GL2S GL2E(CH) GL2E(ID) GL2S
All Pin OK?
Check R5085, R5090,
RB5012 and RB5013
Replace
NG part
NG
and pin98.
YES
Check Reset pin of IC5009.
Pin71.
High
47 BA2S BA2W GL2S GL2S GL2E(CH) GL2E(ID) GL2S
55 BA2S BA2W GL2E(CH) GL2E(ID) GL2E(CH) GL2E(ID) GL2E(ID)
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
YES
Only 60pin
is NG?
Replace
R5050
YES
NO
Replace
R5018
Only 8pin & 36pin & 77pin
are NG?
NO
NO
YES
is NG?
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
Note:
175
I2C wave is output?
Pin 72, Pin73
NO
Replace
IC5009
YES
Replace
IC9000
Note:
(AYU2) – IC9000
(Brownie)- IC9001