Sharp RT-24H Serviceanleitung Seite 6

ITEM- -JIG-
Dr.jviögi Tape•fen.tiaö:
measuring
power
cassette
TW-2412
Torque
Torque meter
pwoyward—
TW-2231
Rewind
TW-2231
Tf$-tape,
MTT-1.t4
Tape speed Test tape
COMPACT
TITLE MODEL
FLUTTER MTT-III
AZIMUTH
MTT-113
MIT-II 3C
MIT-114
DISTORTION MTT-118
DOLBY LEVEL MIT-150
CALIBRATION
BLANK MTT-502
MECHANICAL
ADJUSTMENT
REMARKS
POINTS (CHECK)••
' (Moreihan.•t50 g).
(Play : 35—65 g-cm)
(Fa$-fqmar4
-85=120-gsgmj
'(kevéind •
Sine
iog •
maximum.
Variable resistor 2,980 ± 20 Hz
„ön:motOh
TEST TAPES
CASSETTE TYPE
FREQUENCY/
APPLICATION
LEVEL
3 kHz. —10 dB Tape speed,
Wow and
check
6.3 kHz. —10 dB Head azimuth
8 kHz. —10 dB adjustment
10 kHz. —10 dB
1 kHz, —10 dB Distortion
level adjustment
Dolby B-Type Dolby
Tone 200 nwb/m B-type
adjustment
Record
quency check
ADJUSTMENT
-
Test
Tape
•
MTzT±1214
g'.cm)
Record/Playback
Head
Head
Test
Tape
MIT-III
FOR MEASUREMENT
TORQUE
MODEL
TW-2111
flutter
TW-2121
TW-2231
check
TW-2412
TW-2422
NR
level
fre-
Voltmeter
(L'-th)
Play.bacls, Möde'
Unit
LINE
Out (mh)
Ftwre6
-TAZIMUTH
As Srnäli as:Possiblé
Figure 6 -2 AZIMUTH WAVEFORM
Record/Playbäck
Playback Mode
LINE
'Out
unit
64 TAPE SPEED
METER FOR COMPACT
MEASUREMENT
RANGE
10 — 100 g-cm Normal : Playback
1 .5 — 10 g-cm Normal
: Back-tension
10 — 100 g.cm Reverse : Playback torque
1.5 — 10 g-cm
Reverse : Back
30 — 200 g.cm
Fast-forward,
O — 300 g Normat : Driving power
O — 300 g Reverse : Driving power
i Dua13•tiaee.
Oscilloscpppf=•
CHI- CH2
Frequency Counter
CASSETTE
APPLICATION
torque
tension
Rewind torque