Akai AP-206

SECTION 1
SERVICE MANUAL
TABLE OF CONTENTS
I. TECHNICAL DATA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 4
1. MODEL AP-206/C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 4
2. MODEL AP-306/C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5
11. DISMANTLING OF UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 6
Ill. CONTROLS 7
1. MODEL AP-206/C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 7
2. MODEL AP-306/C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 8
N. PRINCIPAL PARTS LOCATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 9
1. MODEL AP-206/C 9
2. MODEL AP-306/C 10
V. BLOCK DIAGRAM 11
1. MODEL AP-206/C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 11
2. MODEL AP-306/C- " 11
VI. CIRCUIT OPERATION 12
1. GENERAL 12
2. SERVO CIRCUIT 12
3. STROBE LIGHT CIRCUIT 13
VII. MECHANICAL ADJUSTMENT 14
1. STYLUS PRESSURE ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . .. 14
2. OVER HANG ADJUSTMENT 15
3. SLEEVE POSITION ADJUSTMENT 16
4. PU PLATE ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 16
5. LIFTER HEIGHT ADJUSTMENT 17
6. AUTOMATIC RETURN POSITION ADJUSTMENT 17
VIII. ELECTRICAL ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 18
1. DIRECT DRIVE P.C BOARD ADJUSTMENT 18
2. PLL P.C BOARD ADJUSTMENT 19
N. CLASSIFICATION OF VARIOUS P.C BOARDS 21
1. P.C BOARD TITLE AND IDENTIFICATION NUMBER 21
2. COMPOSITION OF VARIOUS P.C BOARDS 22
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