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1
X-HX700
QQ
3 7 63 1515 0
3.3 TUNER PCB
A
TUNER PCB (66675)
A
B
66769
(CD)
TE
L 13942296513
LINE
L cH
IN
R cH
(AUX)
C
51038
(MD)
: AUDIO SIGNAL ROUTE
www
(CD)
: CD AUDIO SIGNAL ROUTE
(MD)
D
: MD AUDIO SIGNAL ROUTE
(MD REC)
: MD REC ANALOG AUDIO SIGNAL ROUTE
(AM)
: AM SIGNAL ROUTE
(FM)
: FM SIGNAL ROUTE
(T)
: TUNER AUDIO SIGNAL ROUTE
A
12
1
http://www.xiaoyu163.com
2
(MD REC)
(MD REC)
(CD)
(CD)
(T)
3.8V
3.8V
3.8V
3.55V
0V
0.72V
0V
8.63V
8.66V
7.95V
0V
0V
0.64V
(T)
(MD)
x
ao
y
.
i
2
http://www.xiaoyu163.com
3
8
(MD)
(MD REC)
2.47V
3.1V
7.08V
IC101
521889
(TC9260P)
0V
0V
7.08V
2.48V
3.1V
(MD)
6
Q Q
3
6 7
1 3
0V
4
(T)
Voltage (V)
IC100
Pin No.
Pin 9 Pin 10
CD
7.24V 7.24V
MD
0V
TU
7.14V
AUX
0V
IC2
Voltage (V)
Pin No.
1
2
3
4
5
6
AM
2.09
4.9
0
0
4.9
4.9
FM
2.08
4.82
1.01
0
4.82
4.83
u163
Pin No.
13
14
15
16
17
18
AM
1.87
2.08
2.05
2.13
0
4.88
FM
2.08
2.08
2.07
2.39
0
4.83
.
IC3
Voltage (V)
Pin No.
1
2
3
4
5
6
AM
2.37
1.8
0
0.28
0.19
4.89
2.18
1.18
0
0
0
4.83
FM
3
4
2 9
9 4
2 8
6
5
4
1 5
0 5
8
2 9
9 4
5
(AM)
AM LOOP
ANT.
FM
ANT.
0V
(FM)
0V
0V
6.85V
0V
0V
m
7
8
9
10
11
12
4.9
0.49
4.14
1.56
1.61
0
4.81
0.5
4.06
1.57
1.63
2.03
co
19
20
21
22
23
24
4.89
2.09
2.07
2.1
2.09
1.47
4.83
2.09
2.65
2.09
2.09
1.53
7
8
9
10
11
12
13
14
15
4.87
1.87
0
0
2.31
0
4.85
4.85
1.16
0.3
2.08
0
0
0
2.2
4.57
4.57
1.16
4
9 9
2 8
9 9
(T)
16
0
0
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