Akai AT-2650

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IV.
VI.
Vil.
VII.
IX.
XI.
XI.
For
SECTION 1
SERVICE MANUAL
TABLE OF CONTENTS
TECHNICAL
DATA
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PRINCIPAL
PARTS
LOCATION
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OPERATING
PRINCIPLES
OF
QUADRATURE
DETECTION
SYSTEM
........-
20-0
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10
OPERATING
PRINCIPLES
OF
PLL
CIRCUIT
EMPLOYED
IN
STEREO
DEMODULATION
CIRCUIT
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1.
PLL
CIRCUIT
OPERATION
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2,
STEREO
DEMODULATION
CIRCUIT
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13
OPERATING
PRINCIPLES
OF
FM
NOISE
CANCELLER
CIRCUIT
....
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15
1.
BASIC
CIRCUIT
FOR
PULSE
NOISE
SUPPRESSION
........
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2.
OPERATION
PRINCIPLE
WITH
STEREO
SIGNALS
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0.2
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3.
ADJUSTMENT
METHOD
FOR
THE
PILOT
SIGNAL
GENERATING
CIRCUIT
.......------
16
LEVEL
DIAGRAM...
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17
TUNER
ADJUSTMENT
(AT-2650)
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18
1.
FM
TUNER
SECTION
ADJUSTMENT
..
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19
2,
AM
TUNER
SECTION
ADJUSTMENT
...
2.2.00
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20
AMPLIFIER
ADJUSTMENT
(AM-2650)
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21
1.
IDLING
CURRENT
ADJUSTMENT
.......
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2,
LEVEL
METER
INDICATION
ADJUSTMENT
...
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22
TUNING
CORD
THREADING
...
2.1.
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23
CLASSIFICATION
OF
VARIOUS
P.C
BOARDS
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24
1.
P.C
BOARD
TITLE
AND
IDENTIFICATION
NUMBER
.....
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2.
MODEL
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COMPOSITION
OF
VARIOUS
P.C
BOARDS
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3,
MODEL
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COMPOSITION
OF
VARIOUS
P.C
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52
SCHEMATIC DIAGRAM
basic
adjustments,
measuring
methods,
and
operating
principles,
refer
to
GENERAL
TECHNICAL
MANUAL.