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Q Q
3 7 6 3 1 5 1 5 0
7-4. BLOCK DIAGRAM
– MAIN SECTION –
J1100(1/3)
MIC 1
J1101(1/3)
3
MIC AMP
MIC 2
IC1100(1/2)
J1100(2/3)
J1101(2/3)
J101
L
MD/VIDEO
AUDIO
IN
R
R-CH
L
TV
AUDIO
IN
R
R-CH
TC-PB-L
TAPE SECTION
C
(Page 28)
ST-L
E
TAPE SECTION
(Page 28)
CD-L
CD SECTION
A
(Page 27)
T E
L
1 3 9 4 2 2 9 6 5 1 3
VREF
NC
w w w
HCD-GNX80
RV1100
MIC LEVEL
1
6
MIC AMP
7
MIC OUT
+
IC1100 (2/2)
J1100(3/3)
J1101(3/3)
DIGTAL
LPF1
LPF2
ECHO
2
9
IN
OUT
IC1101
ECHO LEVEL
37
38
40
39
41
34
SURROUND
VOL CONTROL
IC201
NC
2
33
NC
32
VREF
13
12
NC
VREF
11
NC
NC
4
6
5
NC
3
10
9
NC
+
15
24
NC
8
NC
7
14
22
LPF
23
I/F
DATA
CLOCK
17
18
79
80
SYSTEM CONTROL
IC401
(3/5)
x
a o
y
.
i
http://www.xiaoyu163.com
2
8
INPUT SELECT SWITCH,
C
MID/
GRAPHIC EQUALIZER CONTROL,
A
BASS &
ELECTRICAL VOLUME
B
TREBLE
IC101
IND1
C
6
INB1
A
INPUT
4
R-CH
+
INA1
B
SELECT
3
INC1
SWITCH
5
SURROUND OR
DPL BUFFER
SAOUT
INEX1
+
7
+
R-CH
Q
Q
3
7
6
VREF
35
25
NC
31
NC
NC
30
29
NC
NC
28
27
NC
NC
26
Q544,545
BUFFER
66
u 1 6 3
29
29
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8
9
2
4
9
R-CH
SWOUT
+
24
VOLIN1
TOUT1
VOLUME
14
15
OUT1
CONTROL
18
CPU
COMMAND
INTERFACE
19
21
22
16
17
Q101
A+9V
R-CH
3
1
5
1
5
0
8
9
R-CH
MUTE
Q180, 181
81
82
m
c o
.
HCD-GNX80
8
2
9
9
REC-OUT-L
TAPE
D
SECTION
(Page 28)
DISPLAY
SPEANA
F
SECTION
(Page 31)
2
4
9
8
2
9
9
AMP
DBFB F/B
G
SECTION
(Page 30)
F-R
F-L
AMP
H
SECTION
(Page 30)
LINE-MUE
SW OUT
• R-CH is omitted due to same as L-CH.
• SIGNAL PATH
: TUNER (FM/AM)
: CD
: TAPE PLAY
: RECORD
: MIC INPUT
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