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AG-520VDH
AUDIO SIGNAL PATH BLOCK DIAGRAM
MAIN C.B.A.
(FROM IC6001(16))
NORMAL AUDIO PB ON (L)
NORMAL AUDIO
TO/FROM Hi-Fi AUDIO SIGNAL
PATH BLOCK DIAGRAM
NORMAL AUDIO
4
V1 40 mVp-p
IC3001
(AUDIO PROCESS)
AGC
DET
20 mV
0.5 ms
REC
2
REC
PB
AGC
MUTE
EQL
fH
PB
TRAP
AMP
MUTE
LINE
AMP
AUDIO
MUTE(H)
6
79
V1 0.2 Vp-p
0.2 V
0.5 ms
68
REC AUDIO SIGNAL
PB AUDIO SIGNAL
+5V
Q4081
Q4082
Q4083
P4002
98
P4002
P4002
BIAS OSC
96
T4101,
Q4101
P4002
V1 0.5 Vp-p
I C
2
CONTROL
0.5 V
0.5 ms
73
74
(TO/FROM IC6001(72))
I C SERIAL DATA
2
(FROM IC6001(71))
I C SERIAL CLOCK
2
(FROM IC6001(28))
AUDIO MUTE(H)
P4001
P4001
AUDIO CONTROL HEAD UNIT
P4092
4
4
AUDIO
P4092
HEAD
3
3
P4092
AUDIO
2
2
ERASE
P4092
HEAD
1
1
FULL ERASE HEAD UNIT
PIN
1
1
FULL
PIN
ERASE HEAD
2
2
AUDIO SIGNAL PATH BLOCK DIAGRAM
AG-520VDH
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