Akai X 355 D Service Manual

Page 1

SERVIBE
MANUAL

AKAI TAPE RECORDER
MODEL

X - 355
ALSO APPLICABLE FOR MODEL X-3SSD

Page 2

TABLE OF CONTENTS

I

II
III
IV
V
VI
VII
VIII

XI

XII
XIII

SPECIFICATIONS ................................................... 1
MEASURING METHOD ................. 2
CONTROL LOCATION ............................................. 4
PROCEDURE FOR REMOVAL ................................. 5
TRANSPORT MECHANISM ....................................... 7
MECHANISM ADJUSTMENT .................................... 15
AMPLIFIER ADJUSTMENT ....................................... 18
MAINTENANCE ...................................................... 20
REPLACEMENT PARTS TABLE ................................. 22
EXPLODED VIEW OF COMPONENT PARTS --------------- 27
TROUBLE SHOOTING CHART

(AMPLIFIER SECTION) PLAYBACK TROUBLE --------- 31

(AMPLIFIER SECTION) RECORDING TROUBLE ------ 32

(MECHANICAL SECTION) ................................. 33
SCHEMATIC DIAGRAM-~- --------------- 35

CONNECTING DIAGRAM ....................................... 39

Page 28

Parts No.

05-009

06-00 1

07-00]

Nomenclature
Push Button, Automatic Switch

010 3AF Block Comp.

0l0a 3AF Print plate

OIOb Auto. Chassis

010: 2? Socket (3 Type)

0|0d Tip jack

0l0e Tip Plug

010T 8P Plug

OII 8P Johnson Socket, for Remote

Control Comp.

012 Silcon Diode SW.05a

RELAY BLOCK

002 Relay Printed Plate

002a 22 Multi Jack

002b IlP Socket (0 Type)

002C 2P Socket (B Type)

002d 4P Socket (E Type)

003a MP Condenser 0.5/4 350 VDC
(220 VAC)

003!) MP Condenser 0.1;; 350 VDC
(220 VAC)

003:: MP Condenser 0.5]: 150 VDC

003d MP Condenser (lip 150 VDC

003e Oil Condenser 0.02.11 400VDC

003f Electrolytic Condenser 50;: 50V

003g Wired Resistor 5L 8 ohms J

003h Resistor IP l00 ohms J

003i Resistor I /4P 50 ohms K

004 Lug Type Condenser 2500p 40V
005 SP Plug
006 P Printed Plate Chassis Comp.

006a Table, P Socket

mfib Choke Transformer, Reverse
Plunger (0.3H 0.]A)

006C Base, P Chassis

007 Resistor 50 ohms [OH

008a 55 Propi
008k) 55 Prop. (Hexagonal)
(X39 69 Prop.

0l0 Side Plate, P Chassis
0 Relay Switch DC 24V
0I2 Relay Support Plate, B
013 Print Plug

014 GP Plug

BRAKE BLOCK
Brake Relay Table Comp.

002 Brake Connect Plate Comp.

003a Brake Band
003b Switch Angle, A
(Sc Switch Angle, B

Relay Printed Plate Block Comp.

Part: No.

07-004a
004i)
004C

0052
005i:

Ea
006b

007a
007b
007c
007d
007c

008
009

Nomenclature

Spring, Brake
Spring Holder, A
Spring Holder, B

Brake Adjusting Screw
Brake Adjusting Spring

Brake Lever Comp.
Shaft, Brake Lever

Brake Plunger
Relay York
Connecting Screw
Table. Micro Switch
Micro Switch

4? Plug (T Type)

Tip Connector Jack

REPEATER BLOCK

08-001a
001b
001C
00|d
00le
00h"
00lg
001h
001i

0023
002i)
002i:
002d
002:

003

004a
004b
004C

005a
005b
005C
005d
005e

006a
0061:
006C

001a
m7b
007c
007d

0083
0081)
008c
008d

Dial Button

Spring, Repeater Knob
Repeater Knob, B
Repeater Dial

Spring, Clamp

Spur Gear

Dial Stop Plate
Repeater Switch
Switch Angle, A

Repeater Change Knob
Escutcheon, Repeater Change Knob
Change Lever

Angle. Change Lever

Shaft

Timer Chassis Comp.

Insulator Spacer
Insulator Table, Switch
Switch Plate, B

Repeater Gear
Washer

Pressure Spring
Clank Gear

Screw, without Head

Metal Fitting, Shaft
Repeater Gear
Spur Gear

Repeater Worm with Shaft
Washer

Timer Pulley

Timer Belt

Angle, UZ Socket
UZ Socket
Condenser Q-AKI
Tip Connector Jack

TENSION ARM BLOCK

09-001
001a
(nib
(file
(Did

004a

Tension Arm Comp.
Guide Pin, Tension Arm
Metal, Tension Lever
Nut, Tension Lever
Cushion, Tension Arm

Lever, Micro Switch

Parts No. Nomenclature

09-004b Spring, Micro Switch
005 Micro Switch

006 Table, Cut-ofi Micro Switch

IMPEDANCE BLOCK
I0~001 2 Roller
002 Screw, Z Beating
003 Bearing 608VUC2E
001 Z Czse
005 Bearing Collar
006 Pin
007 Impedance Wheel

PINCH WHEEL BLOCK

ll-OOIa (+) Screw Flat Mould 4X 12
00lb Cap, Pinch Wheel
mic Pinch Wheel
001d Shaft, Pinch Wheel

002 Base B, Pinch Wheel

003 Shaft, Pinch Wheel Arm

0048 Arm, Pinch Wheel

004i: Spring, Pinch Wheel

005 Relay Comp.

005a Relay York

0057b Plunger

005c Tip Connector Plug

006a Pinch Wheel Pull Bar Comp.
006b Washer

006: Pressure Spring, Pinch Wheel
006d Nut

006e Stop Pin B, Pinch Wheel
007a Short Switch B

007b Prop 13, Short Switch

007c 4P Plug

COUNTER BLOCK
12-001 Counter Four Digit Comp.
002 Plate, Counter

003a
003b

Pulley, Counter
Screw

004 Belt, Counter

POWER BLOCK
l3-001 Power Chassis

002 Power Transformer

003 Auto. Transformer, Motor

§

Rectifier SPN-Ol

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