Sony ta a 590 service manual

Page 1

TA-II59II

SERVICE MANUAL

TA-A590 Is the amplifier
In LBT-A590lA595.

AEP Model

E Model
Austral/an Model
PX Model

This photo Is ElAustralIan/PX model.

SPECIFICATIONS

DIN power out-put 60 W + 60 W (6 ohms, all kHz)
Continuous RMS power outpul

70 W + 70 W (6 ohms, at I kHz, 5% THD)

Music power output 110 W +110 W (6 ohms)

Input Jack type Sensitivity Impedance
PHONO (MM) Phono 3 UN 47 kohms
VIDEO/MD Phone 400 mV 47 kohms

Output Jack type Impedance

SURROUND Phono
SPEAKER

Accepts speakers of16 ohms

HEADPHONES Slereophone Accepts headphones of 8

ohms or more

is Hz to so kHz jgdis
Model for Australian:
240 V AC. 50/60 HZ
Models for European countries:
220 V - 230 V AC. 50/60 Hz
Models for other countries: 120 V,
220 V or 230 -' 240 V AC adjustable,
50/60 Hz
Model for Mexican: 120 V AC, 60 Hz

Frequency response
Power requirements

Power consumption AEP model ; 165 W

E model : 190 W

AU model : 190 W

MX model : 167W

Weight AEP model : Approx. 6.6 kg (14 lbs 9 oz)
MX model :6ll kg
Models for other countries: 67 kg

Approx 355 x 135 x 330 mm
(14 x 5 '/4 X 12 7/! inches)
(w/h/d, including projections)

Dimensions

Design and specifications are subject to change without notice.

o Abbreviations
AU :Australian
MX : Mexican

INTEGRATED STEREO AMPLIFIER

SONY;

Page 2

TAB LE OF CONTENTS

5363041 [219; Egg
Specifications .................................. 1
1. GENERAL

1-1, Location of Controls ---------------------- 2
2. DISASSEMBLY ......................... 3

3. DIAGRAMS

3.], Block Diagram ........................... 4
3-2. Main Section Printed Wiring Boards - - - - ----- 8
3-3. Main Section Schematic Diagram ----------- 11
3-4. Panel/Audio Section Schematic Diagram ----- 15
3-5. Panel/Audio Section Printed Wiring Boards - - - 19
3.6, [c pin Description ........................ 22
4. EXPLODED VIEWS .................... 25
5. ELECTRICAL PARTS LIST ------------ 27

MODEL IDENTIFICATION
- Specification Label Printed on Back Panel -

SONYE MODEL N0. TA-A590

AEP, German, Italian, East European,

CIS model: AC 220 - 230 V ~50/60 Hz
Australian model: AC 240 V ~50/60 HZ
E, Saudi Arabia, Malaysia, Singapore,

PX model: AC 120/220/230 - 240 V ~50/60 Hz
Mexican model: AC 120 V ~60 Hz

SAFETY-RELATED COMPONENT WARNING

COMPONENTS IDENTIFIED BY MARK & 0R DOTTED
LINE WITH MARK A ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL T0 SAFE
OPERATION: REPLACE THESE COMPONENTS WITH
SONV PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.

SECTION 1
GENERAL

This section ls extracted from
Instruction manual.

1-1. LOCATION OF CONTROLS

I I
| I l
L___J

E, Australian, PX model

1 SOURCE DIRECT button and indicator
(85)

IE POWER switch (13)

SELECT S/PERSONAL FILE setting
indicators (88, 9S)

SURROUND MODE/OFF,
SURROUND LEVEL setting indicators
(86)

Display window

[3] DISPLAY button (94)

CURSOR CONTROL buttons (88, 90,
94, 98)

DYNAMIC BASS SYSTEM button and

controls (ON/OFF, FREQ, LEVEL) (20)

VOLUME control (20)

BALANCE control (20)

l SURROUND buttons (MODE/OFF,

LEVEL) (86)

4 Function selectors and indicators (38)

MEMORY button and indicator (96)

EQ FLAT button (94)

CURSOR MODE buttons (SELECT 5,

PERSONAL FILE, EQ and indicators)

(88, 90, 95, 93)

HEADPHONES jack (20)

Pl FUNCTION button and indicator
(122)

KARAOKE PON button (E, Australian, PX, model)

MIC jack (E, Australian, PX, model)
MIC LEVEL control (E, Australian, PX, model)

ESE

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