Sony xr 2590 service manual

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XR-259ll

SERVICE MANUAL US Model

Canadian Model

on m, «M.

Model Name Using Similar Mechanism XR-2560
Tape Transport Mechanism Type MG-36ASH-32

SPECIFICATIONS

POWER OUTPUT AND TOTAL HARMONIC DISTORTION

7 watts per Channel minimum continuous average power into

4 ohms, 4 channels driven from 20 Hz to 20 kHz with no more than
1% total harmonic distortion.

Other Specifications

Power amplifier section AM.
Outputs speaker outputs Tuning range 530 - 1,710 kHz
Antenna terminal External antenna connector

(sure seal connectors)

Speaker impedance 4 « 3 ohms Intermediate frequency _
Maximum power output . . 430 kHz
20 w x 4 (at 4 nth) Sensmvfly 32 W
Cassette player section general 12 v DC b
Tape track 4-track 2-channel stereo ower requrrernents (gait/22:03:?
Effluent" T?SP°§e 4° ' 15000 Hz Output lead Power antenna relay control
Signal»to-noisu ratio I e a d
Cassette type Dolby B Dolby off Tone controls Bass a 8 dB at 100 Hz
Treble : 8 dB at 10 kHz
TYPE 11, IV 66 dB 58 dB Loudness +10 dB at we Hz
TYPE I 63 dB 55 dB Mounting dimensions Approx. 178 x 50 x 140 mm
(w/h/d) (7 /u x 2 x 5 5/: in).
Wow and flutter 0.13 70 (WRMS) not incl. projecting parts and
controls
Tuner section Mass Approx. L2 kg (2 lb. 10 oz.)
FM Accessories supplied Mounting hardware (I set)
Tuning range 87.5 - 1079 MHz Power connecting mi (1)
Antenna terminal External antenna connector

Design and specifications subiect to change without

10.7 MHz notice.
Usable sensitivity 13 dBf (75 ohms)

Selectivity 70 dB at 400 kHz
Signal-to-noise ratio 63 dB (stereo), 68 dB (mono)

Harmonic distortion at 1 kHz

09% (stereo). 0.5% (mono)
Separation 33 dB at 1 kHz
Frequency response 30 - 15,000 Hz ®

Capture ratio 2 dB

lnzennediate frequency

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TABLE OF CONTENTS

GENERAL
Location and Function of Controls .............
Setting the Clock ............................
Listening to the Tape Playback
Tuning in a Station ...........................
Using the Memory Preset Tuning
Connections .................................

winch-bum

DISASSEMBLY
Cover ....................................... . i .8
Heat Sink .................................. . . .8
MD Block , . .9
Main Board ................................. . .9

MECHANICAL ADJUSTMENTS .............. ..10
ELECTRICAL ADJUSTMENTS
Deck Section ...................................... 10
Tuner Section .................................... 11
DIAGRAMS
Printed Wiring Boards .......................... 16
Schematic Diagram .............................. 19
EXPLODED VIEWS
Chassis Section .................................. 25
Mechanism Deck Section 1 ...................... 26
Mechanism Deck Section 2 ...................... 27
ELECTRICAL PARTS LIST ...................... 28

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.

Dolby noise reduction manufactured under license from Dolby Labora-
tories Licensing Corporation.
DOLBY" and the double-D symbol DD are trademarks of Dolby Labora»
tories Licensing Corporation