Sony xr 1953 service manual

Page 2

General

Outputs Power antenna relay
control lead

Tone controls Bass :8 dB at 100 Hz
Treble :8 dB at 10 kHz

Power requirements 12 V DC car battery

, (negative ground)
Dimensions Approx. 188 x 58 x 173 mm

(w/ h / d)(wi th the bracket)
not incli projecting parts
and controls

Mounting dimension Approx. 182 x 53 x 161 mm

(w/h/d) not incl.
projecting parts and
controls

Mass Approx, 13 kg

Supplied accessories Parts for installation and

connections (1 set)

Design and specifications are subject to change without
notice

CAUTIO N
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type
recommended by the equipment manufacturer.
Discard used batteries according to manufactures

instructions.

ADVARSEL!
Lithiumbatteri - Eksplosionsfare ved fejlagtig hindtering.
Udskiftning ma kun ske med batteri
af samme fabrikat og type.
Lever det brugte batteri tilbage til leverandoren.

ADVARSEL
Eksplosjonsfare ved feilaktig skifte av batteri.
Benytt samme batteritype eller en tilsvarende
type anbefalt av apparatfabrikanten.
Bruktc batterier kasseres i henhold til fabrikantens
instruksjoner.

VARNING
Explosionsfara vid felaktigt batteribyte.
Anvénd eamma batterityp eller en likvirdig typ som
rekommenderas av apparattillverkaren.
Kassera anvant batteri enligt gallande foreskrifter.

VAROITUS
Paristo voi rajahtai, jos se on virheellisesti asennettu.
Vaihda parioto ainoastaan laitevalmistajan suosittelemaan
tyyppiin. Hivita kiytetty paristo valmistajan ohjeiden

mukaisestil

TABLE OF CONTENTS

1. GENERAL
Location of controls ................................ 3
Cassette Player .................................... 3
Radio rrrrrrrrr . .3
Other Functions .................................... 4
Additional Information ............................ 4
Maintenance ...................................... 5
Dismounting the unit .............................. 5
Connections ........................................ 6
2. DISASSEMBLY
2-1. Cover ............................................ 8
2-2. Front Panel ...................................... 8
2-3. MD Block ...................................... 9
24. Heat Sink ........................................ 9
25 Main Board .................................... 10
3. MECHANICAL ADJUSTMENTS .................. 11
4. ELECTRICAL ADJUSTMENTS
Deck Section ...................................... 11
Tuner Section .................................... 12
5. DIAGRAMS
5-1. Printed Wiring Boards .......................... 17
52. Schematic Diagram .............................. 21
6. EXPLODED VIEWS
6~l. Front Panel Section ............................ 27
6-2. Chassis Section .................................. 28
6-3. Mechanism Deck Section 1 ...................... 29
6-4. Mechanism Deck Section 2 ...................... 30
7. ELECTRICAL PARTS LIST ...................... 31

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.