Sharp RT-116H Serviceanleitung Seite 6

RT-116H(S)
• -ATEM
fen'iöhféduge
.Pinåh
(500 g)
roller
pressure
Jorque
Play
M-2111
Fest-fervgard
TW-4241'
•uTWä23tJh
Test tape
Azimuth
, MTT-1.!4
fest tape
speed MIT-111
COMPACT
TITLE MODEL
MTT-III
FLUTTER
MTT-113
AZIMUTH MIT-113C
MTT-114
DISTORTION MTT-118
MIT-150
DOLBY LEVEL
CALIBRATION
MTT-502
BLANK
MECHANICAL
ADJUSTMEYV REMARKS
(CHECK)
POINTS
350)'-2'420hjq
pressure
outside the range,
13b fib
the pinch roller.
35—-9, q -cr;n)
(Rewind :
90%as
Azimuth Sine waveform
adjustmg! the
Maxih-iurri.
Variabié resistor 2,980 ±
on motor
TEST TAPES FOR MEASUREMENT
CASSETTE TYPE
FREQUENCY/ APPLICATION
LEVEL
3 kHz. —10 dB speed,
Wow and
check
6.3 kHz, —10 dB Head azimuth
8 kHz, —10 dB adjustment
10 kHz, —10 dB
Distortion
1 kHz. —IOdB
level adjustment
Dolby B.Type Dolby NR
Tone 200 nwb/m B-type level
adjustment
Record
quency check
ADJUSTMENT
Figure 6—1 PINCHROLLER
hecord/Pläybæk
Test
Hz
Tape
MtT-114
Play b aff
•rest
MTT-111
TORQUE
MODEL
TW-2111
flutter
TW-2121
TW-2231
check
TW-2412
TW-2422
fre-
o
Voltmeter.
ON" @pih
GND
unit
Playback "CNP2 @ pin
Figure űIMUTH
pin
Playback Modar
qap
Figure TAPE SPEED
METER FOR COMPACT
MEASUREMENT
RANGE
• Playback torque
10 — 100 g-cm Normal .
Normal :
I .5 — 10 g-cm
Reverse : Playback torque
10 — 100 g-cm
1.5 — 10 g-cm Reverse :
Fast-forward,
30 — 200 g•cm
Normal : Driving power
O — 300 g
O — 300 g Reverse : Driving power
WnsiåkGauge'
PRESSURE
' buai-t:raa
)CH2
or
Frequency Counter
ooo
CASSETTE
APPLICATION
Back tension
Back tension
Rewind torque