Sony xr 2390 service manual

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TABLE OF CONTENTS

GENERAL
Location and Function of Controls . . .3
Setting the Clock .................. .4
Listening to the Tape Playback ........ ,4
Searching for the Stations Automatically . . . . .5
Tuning in by Adjusting the Frequency ...... . . .5
Memory Preset Tuning .................... . .6
Connections ........................................ 7
DISASSEMBLY
Cover ............................................ 8
Heat Sink .................................... . . 8
MD Block . .
Main Board ...................................... 9
MECHANICAL ADJUSTMENTS .................. 10

ELECTRICAL ADJUSTMENTS

Deck Section ................................. .
Tuner Section .................................... 11
DIAGRAMS

Printed Wiring Boards . . .

Schematic Diagram .............................. 19

EXPLODED VIEWS

Chassis Section .................................. 24
Mechanism Deck Section 1 ...................... 25
Mechanism Deck Section 2 ...................... 26
ELECTRICAL PARTS LIST ...................... 27

Notes on Chip Component Replacement

- Never reuse a disconnected chip component.

- Notice that the minus side of a tantalum capacitor may
be damaged by heat