Mechanical Adjustment - Sharp GF-320A Service Manual

. Volume control. Maximum
SETTING
POSITION l
Balance control. Center
OF SWITCH l
AND KNOB l
ITEM INPUT MENT
POINT
Test tape
PLAY BACK
AMPLIFIER M T T - 1 1 8 __
SENSITIVITY
JIG
ITEM
POINTS
I
Driving
power
Torque meter
Fast-forward
TW-223 1
Rewind
TW-223 1
Azimuth Test Tape Azimuth
adjusting screw
Tape
speed
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REMARKS (CHECK)
( 1 . 2 V *3 dB)
(More than 140 g)
30 - 60 g-m)
(Fast-forward:
55 - IlOgcm)
(Rewind:
Sine waveform
attains the
maximum.
3,000 *90 Hz
External
Test Tape
MTT-118
Head
1
F i g u r e 8- P L A Y B A C K A M P L I F I E R S E N S I T I V I T Y
External
Test 1 ' ape
MTT-1
Head
Test Tape
MTT-111
, Record/Playback
Head
Oscilloscope
External
Speaker