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Q Q
3 7 6 3 1 5 1 5 0
– KEY CON SECTION –
MIC AMP
IC760 (1/2)
J761
3
1
MIC 1
RV760
MIC LEVEL
J762
MIC 2
T E
L
1 3 9 4 2 2 9 6 5 1 3
KEY CONTROL
IC1401
LPF1
OUT
IN
22
Rch
7 8 9
09
w w w
.
HCD-XB88AVK/XB88K
ECHO AMP
IC760 (2/2)
6
7
ECHO
IC761
1
2
9
8
RV761
LPF1
LPF2
ECHO LEVEL
SWITCH
IC1403
5
4
3
9 10 11
MIX
Q1401
15
• R CH : Same as Lch
• Signal path
: FM
: MIC
x
a o
y
i
– 25 –
http://www.xiaoyu163.com
8
Q
Q
3
7
6
3
L IN
K CON
A
MAIN
SECTION
(Page 21)
LATCH
CLK
DATA
L OUT
u 1 6 3
.
http://www.xiaoyu163.com
2
4
9
9
8
1
5
1
5
0
8
9
2
4
m
c o
2
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9
9
8
2
9
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