1. Turn the drum fully in the direction A shown in Fig.
and stretch its cord over the parts in the numerical order.
2. The turn the tuning control shaft fully in the direction
shown in Fig. 4-l and fix its pointer as shown in Fig. 4-2.
Figure 4-l
ELECTRONIC VOLTMETER
D U A L - T R A C E
ITEM
USING JIG
I
ADJUSTMENT REMARKS (CHECK)
POINTS
More than 150
Tape
megurering
cassette
Torque meter
Play
Fast-forward
Rewind
Driving
power
Torque
(Play:
g-cm)
g-cm)
(Rewind
40 g-cm)
HEADPHONES
JACK
Figure 4-3 AZIMUTH
R E C O R D / P L A Y B A C K
HEADPHONES
HEAD
PLAY BACK
COUNTER
Azimuth
Tape
TEST TAPE
11
Figure 4-4 TAPE SPEED
CASSETTE TYPE
TITLE
FLUTTER
MODEL
FREQUENCY/
LEVEL
APPLICATION
Tape
MTT-111
3
-10
Wow and flutter
check
MODEL
MEASUREMENT
RANGE
APPLICATION
TW-2111
Normal
Playback torque
Normal
tension
Reverse Playback torque
1.5
Reverse Back tension
1
30 200 g-cm
Fast-forward, Rewind torque
AZIMUTH
MTT-113
6.3
-10
8
-10
14
-10
adjustment
DISTORTION
MTT-118
1
-10
Distortion check
level adjustment
Normal
Driving power
Reverse Driving power
Tone 200
level
BLANK
MTT-502
Record frequency
check
