Sony xr 5250 service manual

Page 1

XR-5250

SERVICE MANUAL us Model

AEP Model
E Model

Model Name Using Similar Mechanism XR-5150/5151/5152

Tape Transport Mechanism Type MG-707AV-35
SPECIFICATIONS

Power amplifier section AM tuner section

Outputs Speaker outputs (sure seal Tuning range European and other countries
connectors) 531 -1,602 kHz (at 9 kHz step)

Speaker impedance North and South American
4 - 8 ohms countries

Maximum power output sac-1,620 kHz (at 10 kHz step)
25 W xz (at 4 ohms) AM tuning interval 9kaokHz
15 Wx4 (at 4 ohms) switchable (except lor the model
Measured at 144 V lor European countries)

intermediate irequency

Cassette player section _ _ 450 kHz

Tape track 4-track 2-channel stereo SenstlIVIty 35

Frequency response
30 - 16.000 HZ

Signal-to-noise ratio

Cassette type Dolby B _ Dolby olt
TYPE II, N 66 as 53 dB
TYPE i 63 dB 55 dB

Wow and flutter 0.13% (WRMS) _ Continued on next page _
Tuner sectlon Dolby noise reduction manufactured under license from
System Superheterodyne tuner Dolby Laboratories Licensing Corporation.

1 ' 4
Liamsgfgggm INK DOLBY and the double-D symbol [)0 are trademarks of

Antenna terminal Dolby Laboratories Licensing Corporation,
External antenna connector

FM tuner section
Tuning range 37.5- 108.0 MHz
Intermediate frequency

107 MHz
Usable sensitivity

13 dB! (75 ohms)
Selectivity 75 dB at 400 kHz
Signal-to~noise ratio

66 dB (stereo), 69 dB (mono)
Harmonic distortion at 1 kHz FM/
0.9% (stereo), 0.5% (mono)
Separation 35 dB at 1 kHz
Frequency response '
30 - 15,000 Hz
Capture ratio 2 dB ®

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XR-5250

General
Tone controls Bass :6 dB at 100 Hz

Treble :8 dB at 10 kHz

Loudness +10 dB at 100 Hz
+6 dB at 10 kHz
Oulput lead Power antenna relay control lead

Power requirements
12 V DC car battery
(negative ground)
Approx. 178 x 50 x154 rnrn
(w/h/d)

not incL projecting parts and
controls
Mounting dimensions
XFl-5250

Approx. 182 x 53 x145 mm

(wlhld)

XR-5240

Approx, 178 x 50 x 137 mm

(th/d)

not incl. projecting parts and

controls
XR-5250 Approx. 1.4 kg
XR-5240 Approx 1.3 kg
Accessories supplied

Mounting hardware (1 set)

Dimensions

Weight

Design and specifications subject to change without
notice.

Note for Lithium Battery

CAUTION
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type recom-
mended by the equipment manufacturer. Discard used
batteries according to manufacturers instructions

ADVARSEL !
Lithiumbatteri-Eksplosionsfare ved fejlagtig himdtering.
Udskiftning m5 kun ske med batteri
af samme fabrikat 0g type.

Lever det brugte batteri tilbage til levemndoren.

ADVARSEL
Lithiumbatteri-Eksplosjonsfare.
Ved utskifting benyttes kun batten som
anbefalt av apparatfabrikanten.
Brukt batteri returneres apparatleverandnren.

VARNING
Explosionsfara vid felaktigt batteribyte. Anvind samma
batterityp eller en ekvivalent typ som rekommenderas av
apparattillverkaren. Kassera anviint batten enligt fabri-
kantens instruktion.

VAROITUS
Paristo voi rfijfitfii, jos se on Virheellisesti asennettu Vaihda
paristo ainoastaan laitevalmistajan suosittelemaan tyyppiin.
Havitfi kéiytetty paristo valmistajan ohjeiden mukaisesti.

TABLE OF CONTENTS

Section [fl Page
Specifications .................................. 1

1 . GENERAL

Location and Function of Controls ----- 3
Installation ----- 4
Connections 5
Cassette, Deck Operation ........... 7
Radio Reception .................... 8
2. ADJUSTMENTS ........................ 10
21 1 Mechanical Adjustment .................... 10
2-2. Electrical Adjustment
-- Dgck $39110 _ ........................ 10
- Tuner Section _ ....................... 11
3_ DIAGRAMS ............................ 13
3-1. IC Block Diagrams
3.2. Printed wring Boards .............
3-3. Schematic Diagram ....................... 19
4. EXPLODED VIEWS .................... 23
5. ELECTRICAL PARTS LIST ------------ 28