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ADJUSTMENTS
Measuring
instructions,
tools
(6) TEST TAPE,
HEAD AZIMUTH
(7) TEST TAPE,
MOTOR SPEED
(1)
(2)
(3)
(4)
(5)
a.
(a)
AF VT~M
Using
tape : Mini-cassette
tape of
Using
tape : Mini-cassette
tape of
FREQUENCY
COUNTER
18 p thick( A-BEX
SSC-1
584, etc.)
18 p thick( A-BEX
SSC-1
582, etc.)
OSCILLOSCOPE
Recording
signal
:4 kHz
Frequency
of Recorded
Linear
Sweep
DC POWER SUPPLY ; 3.0 V
Recording
Lebel :-10
dB
Singal :4,575-3,925
Hz
DUMMY LOAD,
4 ohms
Recording
Tape speed :4.75
cmlsec.
Recording
Lebel :-10
dB
Recording
Time
:84.5
sec
Recording
Tape speed :4.75
cmlsec.
HEAD
REPLACEMENT
AND
AZIMUTH
ADJUSTMENT
Head
replacement
E. HEAD
R/P
HEAD
After replacement,
demagnetize
the heads by using a
WHITE
head eraser.
EHE~~gDGi,[i~=~+A~IEDD
Be sure to clean the heads before attempting
to make any
adjustments.
(b)
sENSOR
BLACK
(1)
(2)
(3)
(4)
b.
(1)
(2)
(3)
c.
Head
azimuth
adjustment
Load the test tape (A-BEX SSC-1 584,, etc. )
for azimuth adjustment.
Playback the test tape..
Use a cross-tip
( + ) screwdriver
to turn the screw for azimuth
adjustment
so that the outputs maximized.
After completion
of the adjustment,
use threadlock
(TB-1 401 B)
to secure the azimuth adjustment
screw.
MOTOR
SPEED
ADJUSTMENT
Load the test tape (A-BEX SSC-I 582,, etc.).
Playback the test tape..
Use a cross-tip
( - ) screwdriver
to turn the P501 to adjust
so that the frequency
counter
becomes
3,000
Hz.
CHUCKING
THE
MECHANISM
TORQUE
(1) Playback
mode
. . . .
more than 40 g-cm
(2)
Fast Forward mode
.
more than 45 g-cm
(3) Rewind mode
. . . . . .
more than
40 g-cm
PARTS LIST
HEAD AZIMUTH ADJ.
CAUTION:
Regular type resistors
and capacitors are not listed.
To know
those
values, refer to the schematic diagram.
PACKING
& ACCESSORIES
ELECTRICAL
PARTS
Ref. No.
Part No.
I
Description
Ref. No.
Part No.
Description
I
614
268
2050 ] CARTON CASE
51
I
620
003
3244
MICROPHONE
620
208
0512
PAD , STYROFOAM
620
208
0505
PAD, PLAIN
FPC, LED P.W.BOARD
620
210
1453
POLY COVER
Ref. No.
Part No.
Description
620
148 6216
POLY COVER
62
620
207
0353
FPC, LED
614
268
2135
INSTRUCTION
MANUAL
D201
407
094
8705
LED SLN-21ORC
620
208
7788
CARRYING CASE
620
125 0114
SHEET
-2-
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