Sony ta f 235 r service manual

Page 1

TA-E235R

SERVICE MANUAL

AEP Model

UK Model

E Model
Australian Model

Amplifier

SPECIFICATIONS

Continuous RMS poweroutput (both channels driven

simultaneously)
Except for Germany

DIN. 1 kHz 8 ohms 40 W + 40 W
20 Hz - 20 kHz (0.03%) 8 ohms 30 W + 30 W
Germany
DlN,1 kHz 4ohms 40W+40W
20 HZ -- 20 kHz (0.05%) 4 ohms 30 W + 30 W
Input
Input jack Jack type Sensitivity impedance
PHONO (MM) Phono 2.0 mV 50 kilohms
TUNER. CD. Phono 150 mV 50 kilohms
DAT/T APE 1
TAPE 2
SlN
PHONO (MM) 70 dB
TUNER, CD, 100 dB
DAT/l' APE 1
TAPE 2
Output
Output jack Jack type Voltage/impedance
. Voltage 450 mV impedance
FtEC OUT Phono Jack 1 kohm
HEADPHONES Stereo Accepts low and high
phone jack impedance headphones
Tone controls
Response Turnover frequency
BASS i 10 dB (100 Hz) 400 HZ
TREBLE i 10 dB (10 kHz) 4 kHz

Harmonic distortion

Less than 0.008% at 10 W output

Intermodulation (lM) distortion (60 Hz ; 7 kHz = 4 : 1)

Frequency response

Residual noise
Damping factor

General
System

Power requirements

Power Consumption

Dimension

Weight
Supplied accessories

Less than 0.008% at 10 W output

PHONO: FilAA equalization curve
i 0.5 DB

TUNER, CD, DAT/TAPE 1, TAPE 2:
7 Hz - 100 kHz lgdB

Less than 170 /.r V (network A)

50 (8 ohms, 1 kHz)

Preamplifier". Low-noise, equalizer
amplifier

Power amplifier: Pure«complementary
SEPP OCL power amlifier with all
stages directry coupled

Model for UK, Australian:
240 V AC, 50/60 Hz

Models for European countries:
220 V - 230 V AC, 50/60 Hz

Models for other coutries: 120 V
220 v or 240 v AC adjustble. 50/
60 Hz

Model for Scandinavian countries.

Switzerland, Spain and Portugal
100 W

Model for other European countries
100 W

Model for other countries
100 W

Approx. 430 X 115 X 310 mm (w/h/d)

(17 X 4]; x 12 II: inches)

Approx. 50 kg (13 lb 14 oz)

Remote commander RM-$312 (1)

Sony SUM-3 (NS) batteries (2)

The above values are measured at 230 V AC. (AEP model)

Design and specifications are subject to change without

notice.

INTEGRATED STEREI] AMPLIFIER

SONY;

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TABLE OF CONTENTS

Section Title Page
Spgcifications ................................ 1
Mode] Identificmion ............................ 2
1. GENERAL ............................. 3
2. ELECTRICAL ADJUSTMENTS ---------- 4
3. DIAGRAMS

3.], Block Diagram .......................... 5
3»2. IC70l Function Controller (M50761-291P) . ~ 8
3-3. Printed Wiring Boards --------------------- 9
3-4 Schematic Diagram ....................... 13
4. EXPLODED VIEWS -------------------- 18
5. ELECTRICAL PARTS LIST ------------ 20

MODEL IDENTIFICATION
-Specification Label Printed on Back Panel -

SONYé MODEL NO. TA-F235FI

WW

I

AEP, Germany model: AC 220 -230 V ~50/60 Hz
Australian, UK model: AC 240 V ~50/60 Hz
E model: AC 120/220/240 V~50/60 H2

Note :
There are two type of AEP models which are depend
on countries.
AEP2 model : Mode] for Scandinavian countries,
Switzerland, Spain and Portugal
AEPl model : Model for other European countries

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.