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4.29
AUDIO BLOCK DIAGRAM
0 3
TO
TUNER
DEMOD(R)
DEMOD(L)
TU_AUDIO
3
6
JACK
FRONT
IN
CN7191
CN902
F.AUDIO(R)
J7193
2
9
3
3
(
) R
AUDIO
1
F.AUDIO(L)
2
J7192
11
1
(
) L
AUDIO
1
TO
L
IND(L)
SYSCON
R
IND(R)
0 6
TERMINAL
J901
AV1 IN/OUT
6
A.IN L (
)
4
A.GND
3
(
) L
A.OUT
2
A.IN(
R
)
1
A.OUT
(R
)
J913
REAR
2
R
A.OUT(R)
1
CN917
CN907
8
J912
REAR
7
2
L
L
6
A.OUT(L)
1
5
4
3
2
1
J902
AV2 IN/DECODER
6
A.IN L (
)
4
A.GND
3
A.OUT
L (
)
2
(
)
A.IN
R
1
A.OUT
( )
R
MAIN (VIDEO/AUDIO , CONNECTION)
R
L
+
77
78
TU
R
79
FR
80
L1
R
81
L2
DEC ( )
R
WF1
68
DEC ( )
L
67
MIX
57
NOT
MIX
USED
NA
IN
53
WF2
)
LINE OUT(
R
62
R
R
64
R
)
LINE OUT(
L
61
L
L
63
L
NA
REC
52
NORMAL
INPUT
WF3
LOG
L ( )
SELECT
65
L
LOG( )
R
66
R
82
NA EXT
IN
71
TU
L
72
FR
73
L1
L
74
L2
75
+
R
50
48
WF4
WF1
IC1-80
WF2
IC1-62
WF3
REC 0.62 Vp-p
REC/PB 0.9 Vp-p
REC 0.35 Vp-p
20 mV/0.5 msec/DIV
50 mV/0.5 msec/DIV
10 mV/0.5 msec/DIV
IC1
( VIDEO
)
&
AUDIO
SIGNAL
PROCESSOR
INPUT
SELECT
(R-CH)
LOGIC
ENV
REC/PB
MON
NOR DET
NOISE
R
EVR
REDUCTION
(
)
R-CH
R
NA PB
PRE/REC
R CH
HIFI
R CH
OUTPUT
FM
SELECT
COMMON
L CH
L CH
NOISE
L
EVR
REDUCTION
(
L-CH
)
L
SP
ON
DET
INPUT
P
-
SELECT
+
(L-CH)
R
PRE
AMP
VCA
REC
ON
HIFI
INPUT
SELECT
L
HIFI
EP(LP) ON
REC
EQ
IC1-52
WF4
IC1-48
WF5
WF6
IC1-97
IC1-119
PB 0.58 Vp-p
REC 0.7 Vp-p
REC 1.1 Vp-p
10 mV/0.5 msec/DIV
50 mV/0.5 msec/DIV
50 mV/5 msec/DIV
4-53
4-54
92
A.MUTE
93
A.FF
60
DATA
59
CLK
WF7
DET
94
+
TP2253
Q403-
POWER
A.FM
Q405
SW
87
SW
Q2251
Q401,
Q402
AMP
AMP
98
CH1
97
96
CH2
WF6
Q2052-
Q2054
POWER
SW
POWER
Q2062
SW
Q2061
OSC
115
FILTER
116
CN2002
6
TRANS
4
+
T2052
117
118
119
FILTER
WF5
TP2253
WF7
A.FM
PB 0.5 Vp-p
50 mV/5 msec/DIV
E & O.E. No.82888
E & O.E. No.82889
A.MUTE(H)
A.FF
I2C_DATA_A/V
I2C_CLK_A/V
A.ENV/ND(L)
TO
H.REC_ST(H)
SYSCON
FULL_E_ON(L)
N.REC_ST(H)
N.REC(L)
FLY_REC(H)
FLY_ON(H)
FLYING
U.DRUM
ERASE
CN1
12
13
13
FLY.E
13
14
14
9
9
9
FMA_
CH1
10
10
10
11
11
FMA_
CH2
11
12
12
AUDIO
HEAD
AUDIO ERASE
4
6
CN2051
CN2052
OSC
1
Q2051
2
6
3
5
TRANS
T2051
4
FULL
ERASE
HEAD
1
F.ERASE
2
1
2
A/C
HEAD
CN2001
CN1
4
4
A.ERASE
3
5
2
6
REC/PB
1
7
(VP)-V14S35
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