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4.32
AUDIO BLOCK DIAGRAM
0 3
5
TO
TUNER
DEMOD(R)
DEMOD(L)
TU AUDIO
2
8
SW/DISPLAY
FRONT IN
CN7191
CN902
F.AUDIO(R)
2
J7193
5
3
3
AUDIO ( R )
1
4
F.AUDIO(L)
J7192
2
7
1
3
AUDIO ( L )
1
TO
IND(L)
SYSCON
IND(R)
0 6
TERMINAL
J901
3
AV1IN/OUT
6
A.IN(L)
4
A.GND
3
A.OUT(L)
2
A.IN(R)
1
A.OUT(R)
J913
REAR
2
A.OUT(R)
1
CN917
CN907
8
2
J912
7
REAR
2
6
A.OUT(L)
1
5
4
3
2
1
J902
AV2IN/DECODER
6
A.IN(L)
4
A.GND
3
A.OUT(L)
2
A.IN(R)
1
A.OUT(R)
1
A
B
MAIN (VIDEO/AUDIO , CONNECTION )
+
77
78
TU
79
FR
80
L1
81
L2
DEC(R)
68
DEC(L)
67
MIX
57
NOT
MIX
USED
NA IN
53
LINEOUT(R)
62
64
LINEOUT(L)
61
63
NA REC
52
NORMAL
INPUT
LOG
(
) L
SELECT
65
LOG
(
) R
66
82
NA EXT IN
71
TU
72
FR
73
L1
74
L2
75
+
50
48
C
D
IC1
( VIDEO & AUDIO SIGNAL PROCESSOR )
INPUT
SELECT
(R-CH)
LOGIC
ENV DET
REC/PB
MON
NOR DET
NOISE
EVR
REDUCTION
(R-CH)
NA PB
PRE/REC AMP
R CH
HIFI
OUTPUT
R CH
FM
SELECT
COMMON
L CH
L CH
NOISE
EVR
REDUCTION
(L-CH)
SP ON
DET
INPUT
P
-
SELECT
+
(L-CH)
R
PRE AMP
VCA
REC ON
HIFI
INPUT
SELECT
HIFI
EP(LP) ON
REC
EQ
4-63
4-64
E
92
A.MUTE
93
A.FF
60
DATA
59
CLK
94
+
TP2253
A.FM
POWER
Q403-
SW
87
Q405
SW
Q2251
Q401
Q402
AMP
98
CH1
97
96
CH2
Q2052-
ONLYUSED
Q2054
FORHR-S7700MS
CN2051
POWER
SW
POWER
Q2062
SW
Q2061
OSC
B2051
R2013-R2015
,
C2006
C2007
115
CN2002
116
FILTER
6
TRANS
4
T2052
+
117
118
CN2001
,
R2017
C2011
119
FILTER
B2051
HR-S6700MS
SHORT
HR-S7700MS
OPEN
F
G
( Sanwa ) -V13S1/S2E.&O.E.No.82807
A.MUTE(H)
A.FF
I2C DATA A/V
I2C CLK A/V
A.ENV/ND(L)
H.REC ST(H)
TO
FULL E ON(L)
SYSCON
N.REC ST(H)
N.REC(H)
FLY REC(H)
ONLYUSED
FLY ON(H)
FORHR-S7700MS
FLYING
U.DRUM
ERASEHEAD
CN1
15
17
17
FLY.E
16
18
18
13
13
12
FMA_CH1
14
14
13
15
15
FMA_CH2
14
16
16
AUDIO HEAD
4 6
AUDIOERASE
OSC
1
Q2051
2
6
3
T2051
5
TRANS
4
FULL ERASE HEAD
2
F. ERASE
1
1 2
A/C HEAD
CN1
4
4
A. ERASE
3
5
2
6
REC/PB
1
7
H
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