Vizio VM60P HDTV10A Service Manual page 96

Block 2
Start
HDMI's chip
communicate with U42
(SM5964) is ok?
ONFIDENTIAL – DO NOT COPY
N0
Check U42 power
pin 44, 35
Yes
Check crystal
Y3=11.0592MHz
Yes
Check U42 UART
TXD pin 13
RXD pin 11
No Check U15
pin 16 +5V
pin 10 output select=high
Yes
Check R86, R87
No
U15 fail
No
U9 fail
Page 10-7
File No. SG-0214