Akai AP-Q310

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SECTION I
SERVICE MANUAL
TABLE OF CONTENTS
SPECIFICATIONS .......c.ccsccsssecssseccsssecessscssesecssaeeeseseeersessessnseeeeennees 4
DISMANTLING OF UNIT ........ccceceeesecssscecccnscnereceeseeessrsereeseeeeeenes 5
CONTROLS 6
PRINCIPAL PARTS LOCATION .,.....ccccssssssssssesssesssssseseeesecensenees 7
VOLTAGE AND CYCLE CONVERSION ........cssssssssccssrseceeseeeeeseces 8
1. VOLTAGE CONVERSION..........ceeceee obgastadetpindeassvistszacisceaneesee’ 8
2. CYCLE CONVERSION ..........:cccseescossssssescscerceenssesenseents seesesesenegens 8
ORDINARY ADJUSTRMENT ..........:ccsscccssssssreseccerssssreeeeessseneesens 9
1. STYLUS PRESSURE ADJUSTMENT ....ccssesssessecsssesssietsesenees rexede 9°
2. OVERHANG (Not necessary for AP-Q310/€)..... ci ceeiseesseniesceeeee 10°.
MECHANICAL ADJUSTMENT. ........cssccsscccscssscesesescsereesessensesenees 11
1. TONE ARM LIFTER ADJUSTMENT .....cccesssssessssstssssseesssssesssses 11
2. TONE ARM BRAKE ADJUSTMENT .0.....eeeccceescceseteeeettseeeneeees 12
3. -LEAD-IN/LEAD-OUT ADJUSTMENT 0.0... .cceeeeceeeesreeeeeeneeee 13
' 4, RETURN PLUNGER POSITION ADJUSTMENT... 13
ELECTRICAL ADJUSTMENT ...........cssccsssssssccctecccsssserecseteeseeeeee wee 14
1. OFF-SET VOLTAGE ADJUSTMENT (VR2, 3) AND
TORQUE DIFFERENCE ADJUSTMENT (VRI)...... eee 14
2. WOW AND FLUTTER CONFIRMATION .........ceesseseesseeeeeeee 14
CLASSIFICATION OF VARIOUS P.C BOARDS ..........cessssccesseess 15
1. P.C BOARD TITLES AND IDENTIFICATION NUMBERS...... [Se
2. COMPOSITION OF VARIOUS P.C BOARDS oe eeeeeceeeceeees 16
For basic adjustments, measuring methods, and operating principles, refer to
GENERAL TECHNICAL MANUAL.