Sony RB1G Service Manual page 188

Troubleshooting
3-5. No Picture
3-5-13. NO PICTURE: HDMI (BKE/X/J Board)
Check PWR pin of IC5009
pin9, pin10, pin19,
Pin20, pin 49, pin 51, pin67, pin77,
Pin78, pin87, pin88
All Pin OK?
NO
Only one of the pins
is NG?
YES
Check Reset pin of IC5009.
Pin61.
YES Replace
Replace
Q5010
IC5009
Replace
IC5009
High
Check R5085, R5090,
RB5012 and RB5013
Low
NO
Only 51pin
is NG?
NO
NO
I2C wave is output?
Pin 62, Pin63
W600A/ W603A/ W605A/ W607A/ W650A/ W651A/ W653A/
W654A/ W655A/ W656A/W657A/ W658A/ W670A/ W674A
(*)
Size B* Board Type
(Segment: LW)
OTHERS
Note:
32" BKX
(AYU2) – IC9000
(Brownie)- IC9001 42" BKX
NG
OK
YES
YES
RB1G CHASSIS
EUROPE JP
BKE BKJ
BKE BKJ
Replace
NG part
Replace
IC9000
Replace
R5052
Replace
IC9000
188