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8 - 1
RECORDER BOARD- CIRCUIT DIAGRAM
3723
3722
3749
3748
2739
2738
10n
10n
1707
R
10
12
11
P
2708
of
47u
3703
DECK
8702
2
T724
8702
3
T718
LEFT
8702
1
T717
8702
4
1707
P
9
8
T723
R
7
2709
of
3713
47u
ALL CARBON RESISTORS E12 SERIES
0.33W '5% UNLESS OTHERWISE STATED.
PLATE CERAMIC CAPACITOR
d = 10V
MYLAR CAPACITOR
E = 16V
f = 25V
o
ELECTROLYTIC CAPACITOR
G = 50V
ALL TUBULAR CERAMIC CAPACITORS UNLESS OTHERWISE STATED.
3701
100R
od
of
2707
2706
220u
5V1
5V
47u
13
3707
1V7
RF
14
470k
5
Vcc
3704
8
0V
IN2
4V2
REF1
220
10
2714
7705
REF2
2704
11
oG
1n5
OP2
AN7323
2V6
22u
9
1V5
2715
NF2
ALC2
10n
12
3762
0V
2750
3706
330k
5n6
T712
oG
3733
2711
22u
0V
3714
0V
7
2
IN1
220
ALC-TC
7705
2721
2703
4
2V6
oG
1n5
OP1
AN7323
22u
6
1V5
ALC1
2722
NF1
3
10n
0V
3761
GND
2723
1
100n
3716
330k
2751
5n6
RECORD
---V
OPT = OPTIONAL / Used for some Versions
PLAY ---V
PLAY
RECORD
1707
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
T707
3726
T708
1707
1
R
T725
2
3
P
2719
3743
5n6
3710
1707
13
R
2712 1n5
14
P
15
3727
3712
12k
3720
12k
2727 1n5
T716
1707
4
R
T722
5
2735
2734
6
P
100p
220p
74
3744
1
2726
5n6
2
3
OPT
3719
8 - 1
T701
T721
T702
17
18
T705
2728
2729
4n7
4n7
9758
3734
1707
16
R
1N4148
17
18
6704
P
3730
5701
9754
a
c
b
d
2730
1n2
od
2710
100u
3731
Play
2732
3V4
3n3
T710
BC337-25
3747
T719
7702
150R
V78
0V3
2733
3732
10n
1709
R IN
6
1725
L IN
5
1
2
GND
4
3
4
+ TAPE
3
5
6
R OUT
2
FE
OPT
L OUT
1
71
T709
2
oE
of
8704
2799
2760
M
470u
47u
T706
OPT
OPT
1
8704
1701
Pause
1
2
o T713
1702
5
73
4
Fast
3
2
1
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