Page 1
J101S
MICROPHONE
3
2
1
J102S
LINE
INPUT
P101P
TO
J201S
PLAYBACK
HEAD
F101
1 AMP
J105P
117 VAC
S101
CAP
R127
470K
R128
1.8K
R129
220K
1W
R101
2.2M
V104
6F5
8
C103B
R102
2.2K
4
PB
EQU
10
450V
R104
100K
9
4
1W
T101
V101
5879
3
C101A
6
25V
40
C118
.022
C116
.047
5%
R130
10K
+205V
R105
100K
1W
7
R131
1M
HUM BAL
C103B
6
4
R103
10
450V
V108
R150
C102
.1
R106
100K
MIC
REC
LEVEL
82K
+235V
5Y3
100
2
R134
22K
9
4
R132
2.2K
8
2
V101
4
527
V102A
1/2 12AY7
R107
47K
3
V105
5879
R135
100K
1W
6
3
C101C
40
25V
+335V
V104
1
C103A
10
450
LINE
REC
LEVEL
7
R136
100K
1W
C121
.047
LEVEL
R133
82K
L102
5.5H
C114B
20
450V
V105
4
5
R125
250K
R137
250K
PB
+315V
R108
22K
C104
.047
R109
270K
R110
270K
V102
C114C
450V
4
9
5
1/2 12AY7
R112
47K
7
R111
1.5K
5%
S102
1 INPUT
2 TAPE
MONITOR
SELECTOR
R148
4.7K
2W
R149
4.7K
2W
20
V102B
8
C105
.0047
+275V
V103
9
C106
6
R113
270K
R114
250K
REC
CAL
5%
C103C
10
450V
4
5
.1
R138
1M
C107
100PF
REC
EQU
V106A
1/2 12AU7
R140
47K
2
3
+250V
C103D
450V
V106
4
9
5
R115
1M
C108
R139
1.5K
10
5%
.1
C122
.01 500V
1
R141
1M
R117
100K
V107
9
R116
33K
1%
7
R143
4.7K
4
5
R118
560
V103A
1/2 12AU7
R119
47K
1W
2
3
C101B
V106B
1/2 12AU7
6
8
R142
820
C110
500V
1
40
25V
C123
4 150V
METER
LAMPS
.01
R120
470K
C118
.0056
5%
R144
10K
J103S
PHONES
R123
7
20MH
22K
2W
L101
C111
.0047
V103B
R121
470
5%
VU
1/2 12AU7
C112
.5
6
8
BIAS
ADJ
C113
100PF
R122
2.2K
J104S
OUTPUT
+265V
R124
10K
1W
C114A
450V
PLAYBACK
HEAD
J201S
TO
P101P
20
RECORD
HEAD
P102S
REC HD
GROUND
ERASE HD
GROUND
REC B+
B+
MOTOR AC
MOTOR AC
1/2 12AU7
V107A
ERASE
HEAD
1
2
3
4
5
6
7
8
3
J202P
1
C2O1
.01
500V
R201
100
R145
4.7K
NOISE
BAL
C202
.01
500V
2
2
3
(NOTE 4)
5% 500V
C127
.001
5% 500V
R147
R202
20K
10W
1
S201
5% 500V
C125
350PF
C126
350PF
5% 500V
10K
C124
.001
7
R146
4.7K
V107B
1/2 12AU7
6
8
NOTES
1 ALL CAPACITORS IN MICROFARADS, 400 VOLTS UNLESS
OTHERWISE NOTED
2 ALL RESISTORS IN OHMS, 10%, 1/2 WATT UNLESS OTHERWISE NOTED
3 DC VOLTAGES MEASURED WITH 20K OHMS/VOLT METER WITH
RESPECT TO CHASSIS
4 NEUTRAL 1, PLAY 2, RECORD 3
AMPEX MODEL 600 MAGNETIC TAPE RECORDER (CIRCA 1955)
REDRAWN 05 MAY 2002 by MIKE ADAMS
MOTOR
B201
C203
2.5
220VAC
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