Sony RB1G Service Manual page 180

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.
All Pin OK?
NO
Only one of the pins
is NG?
NO
Only 7pin & 26pin & 97pin
are NG?
NO
Only 8pin & 36pin & 77pin
are NG?
NO
Only 17pin & 27pin & 98pin
are NG?
Note:
(AYU2) – IC9000
(Brownie)- IC9001
YES
Check Reset pin of IC5009.
Pin71.
YES
Replace
Replace
Q5010
IC5009
YES
Replace
R5016
YES
Replace
R5018
YES
Replace
R5015 or R5076
Replace
IC5009
High
Check R5085, R5090,
RB5012 and RB5013
Low
NO
Only 60pin
is NG?
Only 62pin
is NG?
NO
Only 87pin
is NG?
NO
Only 88pin
is NG?
NO
NO
I2C wave is output?
Pin 72, Pin73
W600A/ W603A/ W605A/ W607A/ W650A/ W651A/ W653A/
W654A/ W655A/ W656A/W657A/ W658A/ W670A/ W674A
(*)
Size B* Board Type
OTHERS EUROPE
24" BKX
32" BKX
42" BKX
NG
Replace
NG part
OK
Replace
IC9000
YES
Replace
R5050
YES
Replace
R5052
YES
Replace
R5032
YES
Replace
IC9000
YES
Replace
IC9000
RB1G CHASSIS
JP
BKE BKJ
BKE BKJ
BKE BKJ
180