Akai M 9 Service Manual

Page 2

TABLE OF CONTENTS

I SPECIFICATIONS ........................... 1
II MEASURING METHOD ....................... 2
III LOCATION OF CONTROLS .................... 4
IV DISASSEMBLY OF TAPE TRANSPORT UNITS 8t
AMPLIFIERS ............................ 5
V TRANSPORT MECHANISM .................... 7
VI MECHANISM ADJUSTMENT ............ L ...... 10
VII AMPLIFIER ADJUSTMENT .................... 12
VIII MAINTENANCE PROCEDURES ................. 15
IX REPLACEMENT PARTS TABLE ................. 16
X EXPLODED VIEW OF COMPONENT PARTS ........ 21

XI TROUBLE SHOOTING CHART
XII SCHEMATIC DIAGRAM

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Parts N0.

M9- 1 32

133

134

1353
135b
135C
135d

1 363
1 36b
1 36:
136d
1 36c
13

137

138

Nomenclature
Printed Circuit Plate, Oscillator
Oscillator Coil
Transistor ZSC-696 J L F

Resistor RDlL 2251 (K) (R401)
Resistor RDAP 109 (K) (R402)
Resistor RDY4P lKn (K) (R403)
Resistor RDVJ 100 (K) (R404)

Condenser 100/1 25V (C401)
Condenser 100;: 3v (c402)
Condenser 0.047 35V (K) (C403)
Condenser 0.068 35V (K) (C404)
Condenser 9500 500V (J) (C405)
Condenser 220p soowvuc) (C406)

Plate B, Oscillator

Prop, Chassis

POWER BLOCK

139
140

1413
141b

1 42a
142i)
1 42:
143

1 44a
1441)

145

146a
14Gb

147
148
149
150
151

152a
1521;

153a
153b

Power Block, Complete
Chassis, Transformer

Power Transformer (T-501)
Shield Plate, Transformer

Condenser 50014 50WV (C501)
Condenser 5001.: 50WV (c502)
Condenser 2000 50WV (C503)
Lug Plate KPlLl

Diode SPN-Ol
Diode SW-05-01

Plate, Socket

Post, Fuse
Fuse, 2A

61 Slide Switch ESS-22C Socket, Voltage Change

Rubber Bush

AC Cord

Plug 8, Voltage Change

02 Socket (1502)
us Socket 0503)

Lug Plate KPlLl
Diode SW»05-01

~21-