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4.36
AUDIO BLOCK DIAGRAM (VHS)
TO
0
3
MAIN ( VIDEO/AUDIO, AUDIO I/O, CONNECTION )
TUNER
DEMOD(R)
DEMOD(L)
TU_AUDIO
3 6
A J
CK
NOT
USED
FRONT IN
CN7002
CN7507
FRONT_A(R)
2
J7003
5
9
9
3
FRONT_A(L)
R_IN
1
8
8
2
J7004
3
L_IN
1
NOT
USED
TO DV MAIN
(AUDIO AD/DA)
CN3701
CN2601
R
DV_A_PB(R)
2
L
4
DV_A_PB(L)
4
DV_A_REC(R)
6
DV_A_REC(L)
8
BIL_SEL
/DEC(H)
OUT2_D(H)
3
0 6
TERMINAL
J7104
AV2 IN/DECODER
6
A.IN(L)
4
A.GND
3
A.OUT(L)
2
A.IN(R)
1
A.OUT(R)
J7102
AV1 IN/OUT
2
5
3
6
AMP
A.IN
(L)
7
1
4
A.GND
3
A.OUT
(L)
2
A.IN
(R)
1
A.OUT(R)
REAR OUT
CN7104
CN7504
J7105
4
11
A.OUT(R)
10
3
9
8
7
2
1
6
A.OUT(L)
5
1
4
3
2
Note : For the waveforms in this block diagram, refer to page 4-63.
A
B
R
L
5
3
IC2605
IC2606
15
AMP
11
13
7
1
R
14
12
+
77
5
78
TU
R
1
79
FR
3
L
80
L1
4
R
9
81
L2
2
10
WF1
DEC(R)
FRONT(H)
68
DEC(L)
67
MIX
57
NOT
USED
NA IN
IC2610
53
2
15
1
WF2
LINE OUT(R)
62
R
12
64
14
13
NOT
LINE OUT(L)
USED
9,10,11
61
L
63
DV_A.MUTE(H)
NOT
USED
NA REC
52
WF3
LOG(L)
IC2607
65
9
11
NOT
USED
10
12
LOG(R)
13
66
14
NOT
15
82
USED
NA EXT IN
5
71
TU
L
4
NOT
72
FR
3
USED
1
73
L1
L
74
L2
2
75
INPUT_SEL_A
INPUT_SEL_B
+
11
12
13
14
NOT
15
USED
50
5
4
48
3
1
9
NOT
2
10
USED
WF4
IC2601
IC2602
3
1
AMP
5
7
IC2608
IC2603
NOT
11
USED
12
13
14
15
5
4
NOT
3
USED
1
9
2
10
D_VHS(H)
D_TU(H)
L
R
C
IC1
( VIDEO & AUDIO SIGNAL PROCESSOR )
INPUT
SELECT
( R-CH )
REC/PB
NOISE
EVR
REDUCTION
MIX
( R-CH )
NA
PB
R
CH
HIFI
R CH
OUTPUT
FM
SELECT
L
CH
L
CH
NORMAL
INPUT
SELECT
NOISE
EVR
REDUCTION
( L-CH )
DET
INPUT
P
SELECT
( L-CH )
R
VCA
HIFI
INPUT
SELECT
HIFI
REC
EQ
D
E
4-71
4-72
92
A.MUTE (H)
93
A.FF
60
DA A
T
LOGIC
59
CLK
ENV
DET
94
+
Q403-
TP2253
MON
NOR DET
Q405
A.PB_FM
POWER
87
SW
SW
Q401
Q2251
Q402
Q2252
PRE/REC
AMP
WF7
AMP
98
CH1
97
COMMON
96
CH2
WF6
POWER
Q2062
SW
Q2061
OSC
SP
ON
6
115
TRANS
4
116
FIL
TER
-
T2052
+
Q2052-
POWER
PRE
AMP
Q2054
SW
+
Q2051
117
REC ON
OSC
118
5
TRANS
6
EP(LP) ON
T2051
119
FIL
TER
WF5
F
A.MUTE(H)
A.FF
I2C_DATA_A/V
I2C_CLK_A/V
A.ENV/ND(L)
H.REC_ST(H)
TO
PAL_PB(H)
SYSCON
FULL_E_ON(L)
N.REC_ST(H)
N.REC(L)
FLY_ON(H)
FLY_REC(H)
FL
YING
U.DRUM
ERASE HEAD
12
13
13
FL .E
Y
13
14
14
9
9
9
FMA_CH1
10
10
10
11
11
FMA_CH2
11
12
12
A
UDIO
HEAD
FULL ERASE
HEAD
CN2002
2
. F
ERASE
1
1
2
A/C HEAD
CN2001
CN1
4
4
A.
ERASE
3
5
2
6
REC/PB
1
7
G
H
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