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8
Table
1.
3M Brand Profe ssional Audio Recorder Components
COMPONENT
DESCRIPTION
TAPE TRANSPORT CHASSIS ASSEMBLY
TAPE TRANSPORT ASSEMBLY
64013A085
SEeed
~i:es)
Tracks
Ta:ee
7 1/2, 15
4
1 /2 inch
15, 30
4
1 /2 inch
64013A080
7 1/2, 15
2
1/4 inch
15, 30
2
1/4 inch
COVER PLATE
23000A005-1
24 inch (10 1/2 inch reel)
This assembly is used for
either 60 Hz or 50 Hz input
power.
This as sembly is used for
either 60 Hz or 50 Hz input
p
ower
.
ELECTRONICS ASSEMBLY
ELECTRONICS ASSEMBLY
64059AO 10
BIAS
&
ERASE AMPLIFIER CIRCUIT BOARD
23059A020
NAB ERASE COUPLER CIRCUIT BOARD
23059B030
NAB RECORD AMPLIFIER CIRCUIT BOARD
23059B040
POWER SUPPLY ASSEMBLY
6403lAOOO
-1
(4 track)
6403lAOOO -2 (2 track)
LINE DRIVER AMPLIFIER CIRCUIT BOARD
23059A060
NAB PREAMPLIFIER VI ITH OVERDUB
23059B090-1 (7.5 - 15 ips)
23059B090-2 (15 - 30 ips)
Consists of the basic elec
tronics chassis assembly
less all of the plug-in units
.
Part of the rec ord circuit -
installed in slot 1.
Part of the NAB record cir
I
cuit - installed in slot 3.
Part of the record circuit -
installed in slot 4.
Power supply - installed in
slot 5.
Part of the reproduce circuit
- installed in slot 6.
Part of the reproduce circuit
with overdub feature - nor
mally used in slot 7. Installed
in slot 9 for overdub operation.
M64 PAR 2-71
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