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Q Q
3 7 6 3 1 5 1 5 0
7-1. CIRCUIT BOARDS LOCATION
PANEL board
HP/MIC board
TC-A SW board
CD-LED board
CD-A SW board
DOOR SW board
TC-B SW board
T E
L
1 3 9 4 2 2 9 6 5 1 3
CD-B2 SW board
Note: pA is including in AUDIO board.
AUDIO board
(including p A)
TABLE SENSOR board
w w w
.
CD MOTOR board
http://www.xiaoyu163.com
SECTION 7
DIAGRAMS
TRANS board
VIDEO POWER board
FM/AM TUNER PACK
SURROUND board
MAIN board
KEYCON board
VIDEO OUT board
VIDEO board
POWER board
CD-B1 SW board
p A
MOTOR board
x
a o
y
i
LED board
– 17 –
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8
7-2. BLOCK DIAGRAMS
– KEY CON SECTION –
J761
MIC 1
J762
MIC 2
Q
Q
3
7
6
3
LPF1
IN
22
Rch
LEAF SWITCH board
BD board
09
u 1 6 3
.
2
4
9
9
8
MIC AMP
ECHO AMP
IC760 (2/2)
IC760 (1/2)
3
1
6
7
RV760
MIC LEVEL
ECHO
IC761
1
2
9
LPF1
LPF2
SWITCH
IC1403
1
5
1
5
0
8
9
2
4
5
3
9 10 11
KEY CONTROL
IC1401
MIX
Q1401
OUT
15
7 8 9
m
c o
– 18 –
HCD-V8900/V8900AV
2
9
9
8
RV761
ECHO LEVEL
9
8
2
9
9
4
L IN
K CON
A
MAIN
SECTION
(Page 25)
LATCH
CLK
DATA
L OUT
• R CH : Same as Lch
• Signal path
: FM
: MIC
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