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Sony XBR-55X900C Service Manual page 128

Gn1t chassis; segment: xb
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3-2-6. NO POWER: LDOs check check
START
Yes
Check Vcc voltage
No
C9xxx
Is voltage >3V?
Yes
Check Enable pin
No
voltage
Is voltage >3V?
Yes
Change LDO IC
XBR-55/65X900C, 905C, 907C
Check +3.3V_MAIN DDCON (IC9003)
1.2 No Power U-Com Failure
TROUBLE SHOOTING
128
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This manual is also suitable for:

Xbr-55x905cXbr-55x907cXbr-65x900cXbr-65x905cXbr-65x907c

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