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AUDIO SIGNAL PATH BLOCK DIAGRAM
MAIN C.B.A.
UHF/VHF TUNER UNIT
RF
SIF
AUDIO
1
AUDIO
OUT2 R-CH
AUDIO
OUT2 L-CH
AUDIO
IN1 R-CH
AUDIO
IN1 L-CH
AUDIO
OUT1 R-CH
AUDIO
OUT1 L-CH
AUDIO
IN 2 R-CH
AUDIO
IN 2 L-CH
NOT USED
Q4015 Q4016
Q4013 Q4014
Q4009
DVD AUDIO
P5001
FROM DVD II
R-CH
15
BLOCK
DIAGRAM
DVD AUDIO
P5001
L-CH
13
IC4301
(OUTPUT SELECT)
V1
5.72Vp-p
VCR
3
DVD
5
2V
0.2ms
VCR
13
DVD
12
(R-CH)
(FROM IC6001-59)
DVD SELECT(H)
P1002
FROM DVD II
DIGITAL
BLOCK DIAGRAM
AUDIO
11
14
IC4303
IC4304 (SW)
(OP AMP)
DVD
2
1
AMP
3
3
VCR
4
DVD
15
7
AMP
5
13
VCR
11
10 9
Q4304
(FROM IC6001-17)
DVD AUDIO SW(H)
(W/O DVD AUDIO PB)
Q4306
NOT USED
J4202
J4201
Q4012
(FROM IC6001-25)
DRIVE
SW MUTE(H)
R4244
R4243
IC4302
(OP.AMP)
(L-CH)
4
5
AMP
7
9
11
14
3
AMP
1
(WITH DVD AUDIO PB)
Q4304
J4901
FL4901
IC4201
4.5MHz
3
1
(Hi-Fi AUDIO SIGNAL PROCESS)
BPF
NOT USED
MTS/SAP
A
48
SIGNAL
PROCESS
V1
240mVp-p
MATRIX
A
TUNER
100mV
0.5ms
LINE1
(R-CH)
9
LINE2
10
DVD
1
(W/O
61
DVD AUDIO
PB)
B
MUTE
J4302
(R-CH)
R
53
L
R
59
+
MUTE
J4301
(L-CH)
L
57
L
TUNER
R
LINE1
14
LINE2
15
(L-CH)
DVD
3
A
AUDIO
MUTE(H)
B
36
V1
2.4Vp-p
1V
0.5ms
IC3001
(AUDIO SIGNAL PROCESS)
79
AUDIO
MUTE(H)
2
R
VCA
P
V1
0.1Vp-p
50mV
0.5ms
REC AUDIO SIGNAL
(FROM Q3005-E) 1/4 OSC
(TO IC6001-10) MTS MODE
D4210
(TO IC6001-22) AUDIO DEFEAT(H)
(TO IC6001-26) Hi-Fi PB(H)
56
45
28
ENV
DETECTOR
MUTE
CONTROL
AGC
DET
24
AGC
REC
R-CH Hi-Fi AUDIO
+
21
AMP
AMP
SIGNAL PROCESS
22
R
Hi-Fi
29
NORMAL
L
30
NORMAL
Hi-Fi
V1
5.0Vp-p
L-CH Hi-Fi AUDIO
SIGNAL PROCESS
2
I
C
CONTROL
2V
10ms
62
42
27
43
(FROM IC6001-19) Hi-Fi HEAD SW PULSE
(TO/FROM IC6001-72) IIC DATA
(FROM IC6001-71) IIC CLOCK
(FROM IC6001-28) AUDIO MUTE(H)
73
74
2
I
C
CONTROL
TP4002
DET
MUTE
6
D
REC
AGC
MUTE
98
EQ
fH
96
TRAP
BIAS OSC
C
T4101, Q4101
Q4082
+5V
Q4083
J4801
(FROM IC6001-16)
Q4081
NA PB SW ON(L)
IC4801
6
NOT USED
PV-D4734S/PV-D4744/PV-D4744S/PV-D4754S/PV-D4734S-K/PV-D4744S-K/PV-D4754S-K
PB AUDIO SIGNAL
CYLINDER UNIT
P3501
7
Hi-Fi AUDIO
L HEAD
P3501
8
Hi-Fi AUDIO
R HEAD
P3501
9
TP4207
C
V1
0.1Vp-p
50mV
0.5ms
D
1.8Vp-p
V1
1V
0.5ms
FULL ERASE HEAD
P4001
FULL
2
ERASE
P4001
HEAD
1
NOT USED
J4103
AUDIO CONTROL / ERASE
HEAD UNIT
P4002
P4092
4
4
AUDIO
HEAD
P4002
P4092
3
3
P4002
P4092
AUDIO
2
2
ERASE
P4002
P4092
HEAD
1
1
JK4801
(OPTICAL
DRIVE)
DIGITAL
AUDIO OUT
2
3
(OPTICAL)
1
AUDIO SIGNAL PATH BLOCK DIAGRAM
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