Sharp VZ-1600H(S)

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