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Flow Chart of Troubleshooting
10-11
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10-1-5. Receiver Part
<SPK/RCV/MTR CONNECTOR>
R722
C719
R723
R721
C721
V
R
72
0
C722
R724
V
R
71
8
C720
11
NC NC
12
10
2
2
3 3
4
4
5 5
6
6
7 7
8
8
9 9
HDC703
1 1
10
V
R
71
7
TA700
D701
3
1
2
VMOT_3.3V
V
R
71
9
C718
SPK_P_OUT
SPK_N_OUT
There is no sound from the Receiver
Is the terminal of Receiver
O.K ?
No
Replace the Receiver
Yes
No
Check
UCP300
Is there any signals at
R723
and R724?
END
Yes
Yes
Check HDC703 #6, #8 Pin and
RECEIVER/SPEAKER/MOTOR FPCB.