Sony str a 17 service manual

Page 1

STR-All/ D159

§ERVICE MANUAL

STR-Al? and STR-D159 are

the tuner and amplefiex section

in LBT-A17CDM and LET-159CD/
DZZOCD respectively.

Photo : STR » D1 59

US Model
Canadian Model
AEP Model

UK Model

E M02151
Australian Model
PX Model

STR-Al7

AUDIO POWER SPECIFICATIONS

For US Model :

POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:

with 6 ohm loads both channel driven, from
40 - 20,000 Hz; rated 25 watts per channel
minimum HMS power, with no more than
0.5% total harmonic distortion from 250
milliwatts to rated output.

Stereo FM-AM receiver

Tuner
System FM stereo
FM/AM superheterodyne tuner
FM tuner section
Tuning range 87.5 to 105 MHz
Antenna 300 ohms balanced
75 ohms unbalanced

Intermediate trequency 1017 MHz
AM tuner section
MW:530 to I710kH'z
:522 to IGIlkHz
:53l to 1602kHz
:531 to 17IOkHz
:531 to 1602kHz
LW : 153 to 279kHz
SW :5.95 to ILQOMHz (Mideaeten model)
Antenna AM loop antenna
External antenna terminal
lntermediate frequency 4501M:

(US. 010 model)

(IT. G model)

(9kHz step)

(IOkHz step) (E. PX. AUS model)
(Other models)

SPECIFICATIONS
Amplifier
Input Jack type Sensitivity Impedance
VIDEO IN Phone 300 mV 47 kilohms
PHONO Phone 3 rnV 47 kilohms
Output Jack type Impedance
SURROUND Phono Accepts speakers 01
SPEAKER 16 ohms
HEADPHONES Stereo phone Accepts headphones of
3 ohms or more
Frequency response VIDEO: 15 Hz to 50 kszdB
General

Power requirements

Power consumption

Mass
Dimensions

120V AC, 60H: (US/0ND model)
220-230V. 50/60Hz(AEP/G/leodeI)
240V AC, 50H: (UK model)
I 10 120V/220-240V 50/ 60H:
(E. PX. AUS model)
I 15W (US/(2ND model)
90W (AEP/UK/G/IT model)
110W (E/AUS/PX model)
Approx. 57 kg (12 lb 10 oz)
Approx 355 x 225 x 330 mm
(14 x av. x 13 inches)
(w/h/d, including projections)

STEREO FM-AM RECEIVER
SONE

Page 2

- MODEL IDENTIFICATION -
(Specification Label)

STR-Al 7, STR- D159

SONY MODEL £05m

FM STEREO/FM-AM RECEIVER

//

US CND model : AC: 120V 60Hz 115W
AEP, IT, G model : AC: 220V-230~50/60Hz
90W
UK model : AC: 240V~50Hz 90W
E, AUS. PX model : AC: llO-lZOV/ZZO-
240V~50/60Hz 110W

Note:CND -. Canadian model
lT :Italian model
AUS : Australian model
G :German model

0 CAUTION
Be sure to use insulation sheet (A4-959-364-Ol) when
replacing power transformer because it is safely related
part.

SAFETY-RELATED COMPONENT WARNINGII

COMPONENTS IDENTIFIED BV MARK A OR DOTTED
LINE WITH MARK A ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.

TABLE OF CONTENTS

Section Title Page
1 . GENERAL .......................................... 3

2. DISASSEMBLY

2- 1. Front panel ......... / ............................ 4
2-2. Panel Board ..................................... 4
2-3. Power Amplifier Board --------------- . 5
2-4. Main/Tuner Board .................. . 5
3, ADJUSTMENTS ..................................... 6

4. DISASSEMBLY
4- 1. Schematic diagram --Tuner Section-
4-2. Printed Wnng Board -Main Section---

4- 3. Schematic Diagram -Main Section- --------- 15
4-4. Schematic Diagram -Display Section- ------ 19
4-5 Printed Wring Board -Display Section- 23

4-6. Circuit Boards Location
4-7. Semiconductor lead layouts -

5. DISASSEMBLY
5- 1. Front Panel Section - - -
5-2. Back Panel Section --

-28

s. ELECTRICAL PARTS LIST .......................... 30

ATTENTION AU COMPOSANT AYANT RAPPORT
A LA SECURITE!

LES COMPOSANTS mammés PAR UNE MARQUE A
sun LES DIAGRAMMES scnéMAnouss ET LA LISTE
DES PIECES sou-r camoueseoun LA sécumré
DE FONCTIONNEMENT. NE REMPLACER ces com-
POSANTS cur-2 PAR DES mices sonv DONT LES
NUMéRos sou-r DONNés mus c2 MANUEL ou
DANS LES SUPPLEMENTS PUBLIES PAR SONY.