Sony KDL-32R500C Service Manual page 90

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3-14. USB
Ensure No USB
device connected
Check IC7001 Pin 17
IC7005/IC7001 NG
Change B Board
KDL-32R500C, 505C, 507C, 40/48R510C, 550C, 555C, 557C
3.3V
3.3V
No
Check IC7002/IC7003
Check USB 5V
Yes
Main IC NG
Change B Board
0V
3.3V
IC7002/IC7003 NG
Pin 4
Change B Board
TROUBLE SHOOTING
B* Board Type
Size
PAN ASIA,AMERICA
EUROPE
32"
BA
BE
40"
BA
BE
90
90

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