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VZ-1600H(S)
©
Driving
power
Tape tention
mesurering
cassette
MECHANICAL ADJUSTMENT (TAPE SECTION)
ITEM
JIG
ADJUSTMENT
REMARKS
POINTS
(CHECK)
fee |
—
Torque
Torque meter
(Play:
Play TW-2111
30 — 60 g-cm)
Fast-forward
(Fast-forward:
50 — 100 g-cm)
Rewind
(Rewind:
50 — 100 g-cm)
Azimuth
Test tape
Azimuth
Sine waveform
MTT-114
adjusting
attains the
screw
maximum.
Tape speed
Test tape
High speed
High speed
H Only
MTT-111
Deck 1: VR482
5100 + 60 Hz
Deck 2: VR481
Normal speed
Normal speed
3,000 + 30 Hz
Deck 1:
VR484
Deck 2: VR483
* Perform the high
speed adjustment
first and then
the adjustment.
To
perform
the high speed adjustment at Deck 2, place
Deck
2 in the playback mode and short the two jumper
wires shown in Fig. 18—3.
Tape speed
Test tape
MTT-111
FLUTTER
AZIMUTH
FREQUENCY/
| APPLICATION
LEVEL
3 kHz, —10 dB
MTT-111
E.V.: Electronic Voltmeter
Dual-Trace
Syncroscope
Record /Piayback
Head
Figure 18-1 AZIMUTH
Speaker Terminal
Frequency Counter
Lees
Figure 18-2 TAPE SPEED
Playback Mode
Record /Playback
Head
SHORT (Jumper Wire)
| | {———I I I I
VR483
VR481
VR484
VR482
CeooR ogc
Figure 18-3 TAPE SPEED
TEST TAPES FOR MEASUREMENT
COMPACT CASSETTE TYPE
Tape speed,
Wow and flutter
check
MTT-113
MTT-114
6.3 kHz, —10 dB
MTT-113C | 8 kHz, —10 dB
10 kHz, —10 dB
Head azimuth
adjustment
MODEL
TW-2111
TW-2121
TORQUE METER FOR COMPACT CASSETTE
APPLICATION
MEASUREMENT
RANGE
10 — 100 g-cm
——
oats : Playback torque
Normal : Back-tension
| Reverse : Playback torque
1.5 — 10 g-cm
10 — 100 g-cm
Back tension
1.5 —10g-cm
Reverse :
DISTORTION
MTT-118
1 kHz, —10 dB
Distortion check
level adjustment
DOLBY LEVEL|
MTT-150
Dolby B-Type
CALIBRATION
Tone 200 nwb/m
Dolby NR
B-type level |
adjustment
MTT-502
Record fre-
quency check
TW-2231
— 18 —
30 — 200 g-cm
0 -— 300g
0 — 300g
Reverse : Driving power
it
Fast-forward, Rewind torque
Normal! : Driving power
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