Akai AAR 21 AAR 31 Service Manual
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Extracted text from Akai AAR 21 AAR 31 Service Manual (Ocr-read)
Page 2
AA-R21
STEREO RECEIVER
AA- R2 1
MODEL AA- R 3 1
SECTION 1 SERVICE MANUAL .................... 3
SECTION 2 PARTS LIST .......................... 31
SECTION 3 SCHEMATIC DIAGRAM ................ 42
AA-R31
Page 3
SECTION 1
SERVICE MANUAL
TABLE OF CONTENTS
I. TECHNICAL DATA ....................................... 4
1. MODEL AA-R21 ...................................... 4
2. MODEL AA-R31 ...................................... 5
II. DISMANT LING OF UNIT ................................... 6
III. CONTROLS ............................................ 7
1. MODEL AA-R2] ....................................... 7
2 MODEL AA-R3l ....................................... 8
IV PRINCIPAL PARTS LOCATION .............................. 9
V. VOLTAGE CONVERSION .................................. II
VI. AMPLIFIER ADJUSTMENTS ................................ 12
VII. TUNER ADJUSTMENTS ................................... 14
1, FM SECTION ADJUSTMENTS ............................. 16
2. AM SECTION ADJUSTMENTS ............................. 19
VIII. CLASSIFICATION OF VARIOUS P.C BOARDS ................... 19
1. PC BOARD TITLES AND IDENTIFICATION NUMBERS ........... l9
2. COMPOSITION OF VARIOUS P.C BOARDS .................... 20
For basic adjustments, measuring methods, and operating principles, refer to GENERAL TECHNICAL
MANUAL.