Sansui 3000 A Service Manual

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SERVICE MANUAL

SOLID- STATE AM / FM MULTIPLEX STEREO TUNER AMPLIFIER

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SANSUI MODEL 3000A

SANSUI ELECTRIC COMPANY LIMITED

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SAN SUI

SOLID-STATE
am /fm-multiplex

STEREO TUNER AMPLIFIER

MODEL-3000A

HOW TO USE THIS SERVICE MANUAL

1. Look up the type of trouble you are confronted with in either
the General or Troubleshooting charts provided in this manual.
2. By referring to the charts, isolate the trouble to a particular
unit or part. (See the column titled What to Do in the General
chart and Check Point in the Troubleshooting chart).

3. Locate the section of the chassis in which the part is located
by using the co-ordinates (Column D) in the Parts List pp. 32-39.
4. Using the co-ordinates given in the Parts List (Column Cl, pin-
point the position of the part in the Schematic Diagram of Cir-
cuits pp. 21-22.

NOTE: Much of the information contained in this manual has
been prepared forl'use by qualified service repairmen. Please read
your Warranty thoroughly before attempting any internal adjust-
ments on your own.

CONTENTS

GENERAL INFOMATION .................... 3, 4
TROUBLESHOOTING CHART

OVER ALL PROGRAM SOURCES ........ 5, 6, 7

FM OR FM-MPX RECEPTION ............ 8, 9, 10

AM RECEPTION .......................... 11, 12

USING WITH RECORD PLAYER OR

TAPE DECK ............................ 12, 13

OTHER PROGRAM SOURCES ............ l4

RECORDING ON TAPE .................. 14
ALIGNMENT ................................ 15.16,17,18.19
DISASSEMBLY PROCEDURE ................ 20
DIAL MECHANISM .......................... 20
SCHEMATIC DIAGRAM OF CIRCUITS ........ 21, 22
BLOCK DIAGRAM ............................ 23
PARTS LAYOUT ............................ 24
PRINTED CIRCUIT SHEETS .................. 25, 26, 27, 28, 29, 30
SELECTOR CHART .......................... 31
PARTS LIST ................................ 32, 33, 34, 35, 36, 37, 38, 39

COLOR CODE .............................. 4O