Werbung
WO-272H(R)
JIG
ITEM
Driving
Tape
tention
measuring
power
cassette
TW-2412
Torque
Torque
meter
Play TW-2111
Fast-forward
M-2231
Rewind
TW-2231
Azimuth
Test tape
MTT-113C
Test tape
Tape
MIT-111
speed
For the high speed adjustment
*1.
vide the same playback
COMPACT
TITLE
MODEL
FLUTTER
MTT-III
AZIMUTH
MTT-113
MTT-113C
MTT-114
DISTORTION
MTT.118
DOLBY
LEVEL
MTT-150
CALIBRATION
BLANK
MTT-S02
MECHANICAL
REMARKS
ADJUSTMENT
POINTS
(More than 120 g)
(Play: 30 — 60 g-cm)
(Fast-forward:
55 — 110 g-cm)
(Rewind:
55— 110 g-cm)
Azimuth
Sine
waveform
adjusting screw
attains
the
maximum.
High speed
High speed
Deck
1:
(Short
TPI
(6,000 ± 800 Hz)
and TP2)
Deck
2:
Deck
2:
VR704
Normal
speed
Normal
speed
Deck
1, 2
Deck
1: VR701
3,000 ± 10 Hz
Deck
2: VR702
Perform
the
high speed
adjustment
st and
then
the
normal
speed adjust-
ment.
of Deck 2, adjust VR704
speed as in Deck I.
TEST
TAPES
CASSETTE
TYPE
FREQUENCY/
APPLICATION
LEVEL
3 kHz, —10 dB
Tape speed,
Wow
check
6.3 kHz, —10 dB
Head
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
ADJUSTMENT
(CHECK)
Test Tape
MTT.113C
Record/PIayback
Head
Test Tape
MTT-111
fir-
R-ch
to pro-
Figure 8
—3 TEST POINTS
FOR
MEASUREMENT
TORQUE
MODEL
TW-2111
and
flutter
TW-2121
azimuth
TW-2231
check
TW-2412
NR
TW-2422
level
fre-
check
E.v:
ELECTRONIC
VOLTMETER
E.V.
Playback
CNP501
Mode
unit
2.4
ohms
Figure 8—1 AZIMUTH
Playback
CNP501
Mode
unit
GN
Record/PIayback
2.4
Head
Figure 8
—2 TAPE SPEED
Power Supply
GND
L-c
TPI
VR702
•—VR704
CNP501
VR701
TP2: Mechanism chassis (GND)
AND ADJUSTMENT
METER
FOR
COMPACT
MEASUREMENT
APPLICATION
RANGE
10 — 100 g-cm
Normal
: Playback
1.5 — 10 g-cm
Normal
: Back-tension
10 — 100 g-cm
Reverse
: Playback torque
I .5 — 10 g-cm
Reverse
: Back
30 — 200 g-cm
Fast-forward,
0—300
g
Normal
:
Driving power
0—300
g
Reverse
: Driving power
Dual -Trace
Syncroscope
1
x 2
GND
Frequency
Counter
ooo
ohms
P.W.B.
POINTS
CASSETTE
torque
tension
Rewind torque
Werbung
