Akai AM U11 U22 Service Manual

Page 1

AT-Kl 1 / L

AT-K22/L
.. 6.
AM-Ull
I
. AM-U22
FM AM STEREO TUNER
AT-I{ 1 1 / L
MODEL AT-K2 2 / L
STEREO INTEGRATED ANIPLIFIER
AM -U 1 1
MODELAM-U22
THIS "I \\l'.r\L IS ;\I)PLI(.»\BLE r) BUT SILVER AND BLACK PANEL MODELS
SECTION 1 MODEL AT~K1 UL and AT-KZZ/L SERVICE MANUAL ........... 3
SECTION 2 MODEL AM-Ul 1 and AM-UZZ SERVICE MANUAL .............. 27
SECTION 3 PARTS LIST .................... - ........................ 47

SECTION 4 SCHEMATIC DIAGRAM ................................... 73

Page 2

DO

SECTION 1

SERVICE MANUAL

MODEL AT-K1 1/L, AT-K22/L

TABLE OF CONTENTS

I. TECHNICAL DATA ........................................................ 4
1. MODEL AT-Kl I/L ........................... L ........................... 4
2 MODEL AT-K22/L ....................................................... 5
II. DISMANTLING 0F UNIT .................................................... 6
1. MODEL AT-Kl 1/L ....................................................... 6
2. MODEL AT-K22/L ....................................................... 7
III. CONTROLS ............................................................. 8
1. MODEL AT 2. MODEL AT-K22/L ....................................................... 9
IV. PRINCIPAL PARTS LOCATION ............................................... 10
1. MODEL AT-Kl l/L ....................................................... 10
2. MODEL AT-K22/ L ....................................................... 11
V. VOLTAGE CONVERSION ....................................... ' ............ 12
VI. TUNER ADJUSTMENTS ..................................................... 13
1. FM SECTION ADJUSTMENTS
2. AM(AT-K11 L and AT-K22 LIMW) SECTION ADJUSTMENTS ......................... 18
3. LW SECTION ADJUSTMENTS .............................................. 19
VII. TUNING CORD THREADING ................................................. 20
1. MODEL AT-Kl l/L ....................................................... 20
2. MODEL AT-K22/L ....................................................... 20
VIII. CLASSIFICATION OF VARIOUS P.C BOARDS ..................................... 21
II P.C. BOARD TITLES AND IDENTIFICATION NUMBERS ............................ 21
2. COMPOSITION OF VARIOUS P.C BOARDS ..................................... 22
For basic adjustments, measuring methods, and operating principles, refer to GENERAL TECHNlCAL
MANUAL.