Technics RS-M250

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12
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EQUIVALENT CIRCUIT
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SPECIFICATIONS
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213,
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Input
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MAX
(2SD592)
DC.AMP
(25636
MUTE
2SD636)
REC
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PROTECTER
REGULATOR
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Q216
0218,
219
221
250946
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MAX
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2SD1010
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2SC592NC
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Playback
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4508
REGULA’
Test tape --- QZZCFM
NOTES:
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Input
select
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line
ition).
e
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VRS,
VR6
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Recording
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VR.
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Output
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Test-tape
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-
Dolby
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in
out
position).
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current
adjustment
VR
Be
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QZZCRA
for
Normal
Less
than
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©S4-1—S4-4
Tape
select
switch
(shown
in
normal
position).
:
--
FL
meter
adjustment
VR
(for
OdB
indication).
Sane
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sire
al
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Q2ZCRX
for
CrO2
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position).
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meter
adjustment
VR
(for
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indication).
Be
Bice
tacde
microfarads
(uF)
unless
specified
otherwise.
«+
QZZCRY
for
Fe-Cr
Ree
te
ower
voltage
select
switch.
+
Bi
i
;
.
Q
°VR1,
VR2--
intial
esta
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ce
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test
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es
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VRB,
VRA
coeseeeeseeees
Playback
gain
adjustment
VR.
1
.
--
Bias
current
adjustment
VC.
eAll
voltage
values
shown
in
circuitry
are
under
no
signal
condition
and
record
A
mode
with
volume
control
at
minimum
position.
Overall
S/N
ratio
Greater
than
43dB
1S
For
measurement,
use
VTVM.
Test
tape
---
QZZCRA
(without
NAB
filter)