Sansui AU 555A Owners Manual

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OPERATING INSTRUCTIONS
& SERVICE MANUAL

SOLID-STATE STEREO AMPLIFIER
SAHSUI All-555A

SANSUI ELECTRIC COMPANY LIMITED

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Thank you for selecting the sansui AU-555A Solid State Stereo
Control Amplifier, upgraded model of the AU-555, featuring the
refined dull black panels and the exclusive Triple Tone Controls.
We sincerely feel that youve made the best choice possible in
the compact size and medium power amplifier field In design,
appearance and preformance, the AU-555A draws heavily on the
careful engineering that has made Sansuis larger AU-amplifiers
favorites among stereo enthusiasts throughout the world. Like
every Sansui audio component, the model AU~555A was inspect-
ed and certified to be in perfect operating condition before leav-
ing our factory.

This manual has been prepared to help you keep it that way by
covering the correct procedures for installation, connecting com-
ponents and operating controls. For years of trouble-free stereo
enjoyment, please read it carefully before operating the ampifier.

CONTENTS

OPERATING INSTRUCTIONS
SWITCHES AND CONTROLS ................................ 3, 4
OPERATIONS .................................................... 5, 6
-SPEAKER CONNECTIONS
-RECORD PLAYING
OPERATIONS .................................................... 7, 8
iRADIO RECEPTIONS
-TAPE PLAYING

ELECTRONIC CROSSOVER SYSTEM ...................... 9, 10
MAINTENANCE .............................................. 11, 12
SPECIFICATIONS/ACCESSORIES ............................ 13
CHARACTERISTICS ............................................ 14
SERVICE MANUAL

TROUBLESHOOTING CHART ............................ 15, 16
DISASSEMBLY PROCEDURE/TEST POINT ................ 17
ALIGNMENT ...................................................... 18
BLOCK DIAGRAM ................................................ 19

PRINTED CIRCUIT BOARDS AND PARTS LIST
........................................ 20, 21, 22, 23, 24

OTHER PARTS AND THEIR POSITION ON CHASSIS
................................................... 25, 26