Akai GX-2800D-SS User Manual

Il.
Hi.
VI.
VII.
VIII.
SECTION 1
SERVICE MANUAL
§
TABLE OF CONTENTS
SPECIFICATIONS
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MEASURING
METHOD
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1.
TAPE
SPEED
DEVIATION
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2.
WOW
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FLUTTER
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3,
FREQUENCY
RESPONSE
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6
4,
SIGNAL
TO
NOISE
RATIO
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6
5.
TOTAL
HARMONIC
DISTORTION
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6.
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DISMANTLING
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UNIT
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MECHANISM
ADJUSTMENTS
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1,
TAPE
SPEED
ADJUSTMENT
(Servo
Control
Amp.
Adjustment)...........6.-
...
10
2,
DIRECT
FUNCTION
TIME
CONSTANT
ADJUSTMENT
.,..
2...
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3.
BRAKE
TENSION
ADJUSTMENT
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4,
SUPPLY
VOLTAGE
TO
BOTH
TORQUE
MOTORS
AS
WELL
AS
TENSION
AT
‘
VARIOUS
OPERATING
MODES....
12
5.
REEL
TABLE
HEIGHT
ADJUSTMENT
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12
6.
PINCH
WHEEL
PRESSURE
MEASUREMENT
AND
ADJUSTMENT
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Biwi
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..
13
HEAD
ADJUSTMENTS
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14
I.
HEAD
CONSTRUCTION
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ORDER:OF
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3.
HEAD
HEIGHT
ADJUSTMENT
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4,
HEAD
AZIMUTH
ALIGNMENT
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AMPLIFIER
ADJUSTMENTS
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16
1,
PLAYBACK
OUTPUT
LEVEL
ADJUSTMENT
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2.
VU
METER
SENSITIVITY
ADJUSTMENT
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3.
RECORDING
LEVEL
ADJUSTMENT
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19
4,
RECORDING
BIAS
FREQUENCY
MEASURING
METHOD
AND
ADJUSTMENT
.....
19
5.
RECORDING
BIAS
VOLTAGE
ADJUSTMENT
(Frequency
Response
Adjustment)
.
19
6.
4-CHANNEL
PHASE
CHECK
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TRANSPORT
MECHANISM
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1,
FROM
STOP
TO
FORWARD
PLAYBACK
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24
2.
2-CHANNEL
AUTOMATIC
REVERSE
PLAYBACK
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3..
FAST
FORWARD
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4,
REWIND
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5,
4-CHANNEL
REPEAT
CIRCUIT
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SERVO
MOTOR
OPERATING
PRINCIPLES
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COMPOSITE
VIEWS
OF
COMPONENTS
.........--
2
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Akai GX-2800D-SS Specifications

General

Brand	Akai
Model	GX-2800D-SS
Category	Tape Deck
Language	English