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JVC TD-W217TNC Service Manual page 22

Double cassette deck

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TD-W217TNe
TD-W218BKavsveen/evusut
[3] Main Adjustment
@Measuring
instruments
required
for
(9) Wow & flutter
gauge
adjustment
(10) Freequency counter gauge
(1) Low — frequency
oscillator(oscillation frequency
(11) M300 gauge
50Hz — 20kHz, OdB output with 600 Q impedance )
(12) Band pass filter
(2) Attenutor(600 Q impedance)
@ Power supply voltage
(3) Electronic voltmeter
Set the line voltage selector switch to 240V/ 230V/
(4) Standard tapes
220V/ 127V/ 120V/ 110V according to ———>
VT1712 (tape speed, wow and flutter measurement)
your local voltage.
V11727 (400Hz reference level)
AC240V, 50/60Hz
__:A/B version
TMT735 (1 k, 12.5 k), VIT739 (63, 1 k, 10 k) (playback
AC230V, 50/60Hz
_:E/EN/G version
frequency)
AC120V, 60Hz
:C/J version
VTT703 or VIT7O3L (10 kHz), VIT704 (12.5 KHZ)
ac a39/127/1 10V, 50/60Hz:U/UT version
(azimuth)
(13) Standard
position
of the switch
and
volume
knob
(5) Recording reference tapes
AC-224 (TDK AD) (Normal), AC-513 (TDK SA) (CrO2)
Switches and volume knobs Setting position
)
INPUT LEVEL
:
MAXIMUM
AC-712 (TDK MA) Meta
(6) 600 Q resistors(for attenuator matching)
BOLex NA
,
OFF
REVERSE MODE
:
(7) Distortion meter(bandpass filter)
(8) Torque gauge (cassette) for CTG-N, TW2111, TW2121,
TS2231 and TW2241, mechanism adjustments
@Location of Adjustment
F. COUNTER
(BIAS
FREQUENCY
adj)
DC VOLTMETER
DECK B
HX PRO ad
11401
REC FREQ.
(
oi)
'Bane
RESPONSE
in
adj
DECK B
VR126
REC LEVEL
HA PRO'adj
adj
DECK B
VR226
FREQ.
DECK A.
Ley
_—-VR216-VR116
RESPONSE
RESPONSE adj | vR211
VRI11
io
TR
adj
[R]
S
KB
DECK A
L8401
5
[T ] PB LEVEL
PB LEVEL
a
VR117
adj
adj
VR212
VR112
[R] [4]
[we
SPEED adj
ey
~~ B7101 |
VR701
~
VR7OL R703
FREQUENCY
|
=
A-
EE
ny
DECK "|
H.SPEED
TP
avec
|
A-
-DECK :
fia
ali
<i
HIGH SPEED adj
22 (No. 4357)

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