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3 . 8
SE RVO B LOCK D I AG RAM
1
V
�
�
O F F
��
MAl
V
E
l
T P4 1 1
IQl @l
3x Fsc
D R U M F F
From
CN403
M A I NIVIDEOl
@ �
SYNC
4
To
PRE/REC ,CN3
!Ql @l
SYNC
F rom
MAIN(VIDEOl
CN404
CAP FG
Ell
S DATA �t--__,__, ____
From/ To (g
CN4
I I
I I
I I
: :
�>-
CTL CLOCK
INDEX
�
CN405
IQ! @l
CAP FG
l+l
R425
CN3
From
MECHACO N
TP401
CTL PULSE
R401
R422
PB: REC:
C423
CN2 CN401
CTL
H6AO
{
CN 4 02
F G/ P G
S TA R T/STOP
J��
DRUM MO
B
i2
SP 14)---
I C 42 1
CLK
DELAY MM
DRU= FF
VP MM
SE f+- - "- SW "-' M " M o, ' l r . , , o >'l- --- T -.---" R " 44 ,.., 4 _f--o SWD 5V
P G U
L
E
N
I
C443
V
R445
ORUM
S W I T C H I N G
P O I N T
SYNC
SEP
R439
R458
LOOP
CLK
FILtER
0425 ,D424,R438
C43B,C439
CAP
F-v
SW2
R431
R432
R433
SW3
R428
Vcc /2
FILTER
C43!5 C434
PB:ON
0421
REC:ON
R410,
R413
R408
EP 2X NOR TK
SWD 5V
R472
R408
i
� R472
SP SLOW T K
PRESET
R469
R406
0470
EP SLOW T K
R466
PRESET
R473
SWD 5V
R478 ..
R479
0464
R483
R441 ,R440
0463
R484
C441 ,C440
R482
SWO 5V
SWO 5V
R405
D465
-
-
0
I
D469
0461
0409
AUDIO
I
040
E
3-1 1
3-1 1
I C 60 1 1 2 / 2 )
SPCL P B
SWO 5V
SWD 5V
R471
R470
R603
STEREO
A. DUB
Vee
w
H COM
M
MM
GND
SWD5V
� ffi
:;: >-
u z
" "'
CLOCK
� 8
I C 4 6 2
"' 0
R463
u
0466
I C 4 6 2
13
12
"-
8
ffi
>-
�
0413
r
LOG I C
CTL PULSE
l C 4 6 1
"
>-
;<
0
--'
<J)
I C 601 1 1 1 2 )
F
SPCL P
LP
@] @]
sve
CH SEL
MAIN (
EO)
To
I
V
D
A DUB
sv
swo
R494
V. LOCK
}
CN403
AUTO/MAN/SLOW
3
� �
- PRE/REC, CN2
r
m /
I
F
o
To
HEAD SEL
- I
� � -�
IQ] �
CN404
F r o m
I
MECHACON , CN4
SLOW PULSE
IQ] @
MECHACON, CN3
From
� @J
I
To
PRE
REC,CN2
S/S MOOE
IQ] @
From
CN404
}
MECHACON,CN3
From
IQ) @]
MECHACON, CN4
}
IQ] �
I
To
MECHACON,CN3
CN404
CAP D
RIVE
IQ] @
To
1
MECHACON, CN4
_J
G
H
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