Akai AT-S55/L User Manual

AS <FRRFS
SECTION 1
SERVICE MANUAL
MODEL AT-S55/L
TABLE OF CONTENTS
SPECIFICATIONS .. 1... 2. cc cece ce cette eee eee ee eee eee teense eneees 4
DISMANTLING OF UNIT . 0... cc ee ee eee eee eee neces 5
CONTROLS oo oie so S505 Boe he be 6 ww 5a od Re Rpellg Me Sid le el Sig dyes Daye eae Sieces: oe OOP 6
PRINCIPAL PARTS LOCATION ....... cece cece eee cence ee eee ee ee eee eee eee 7
VOLTAGE CONVERSION .... 0... ccc ccc ete eee eee eee teen ener teeta eens 8
ADJUSTMENTS 2.0.0... ccc ccc cc cc ee cee eee cee eee ee eee eee eee ee eee eens 9
1. AM (AT-S55L: MW) SECTION ADJUSTMENTS 1... 0.0... ccc eee eee eee eee ees 12
2. LW SECTION ADJUSTMENTS . 2.0... ec ce ee eee eee ee eens 13
3. FM SECTION ADJUSTMENTS .. 0.1... . eee ee eee (aihaing Sg Rba a aie ialy ete 3k 14
. CLASSIFICATION OF VARIOUS P.C BOARDS ... 0... eee eee ee ee eens 16
1. P.C BOARD TITLES AND IDENTIFICATION NUMBERS ........... cece ee eee ee eens 16
2. MODEL AT-S55; COMPOSITION OF VARIOUS P.C BOARDS ......... ce ee ee eee ees 17
3. MODEL AT-S55L; COMPOSITION OF VARIOUS P.C BOARDS ........ 2. cece eee ee ees 21
For
basic
adjustments,
measuring
methods,
and
operating
principles,
refer
to
GENERAL
TECHNICAL
MANUAL.

Akai AT-S55/L Specifications

General

Brand	Akai
Model	AT-S55/L
Category	Synthesizer
Language	English