CONFIDENTIAL – DO NOT COPY
Page 9-
19
File No. SG-0219
15
Block 2
HDMI’s chip
communicate with
SM5964,is ok?
No
Check U38’s power
Î
Pin 44,35
Check Y3
Î
11.0592MHz
Yes
No
Check U38’s UART
TxD
Î
pin 13
RxD
Î
pin 11
Check U20
Î
pin 16
Î
+5V
Pin 10
Î
output select=high
No
U20 fail
start
Check U2’s +5V_SW
Î
pin 7,8
No
Yes
Check R143,R144
Yes
No
U13 fail
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