Sony TA-AX5 Service Manual

UK Model',
General
System
Power
requirements
Power consumplion
Dimensions
Weight
Preamplifier
section : low-noise NF
type
equalizer
amp.; NF
type tone
contror
Power
amplifier section :
pure-complementary
SEPP
dc
power
amplifier with
all stages
direct
coupled
Power
supply section :
pulsê
power
supply
circu
itry
AEP
model:
22OV
ac,50/60 Hz
UK model:
24OV
ac,5O/60 Hz
AEP model;
120 watts
U
K model :
350 watts
Approx.
430
x
80
x
325 mm
(w/h/d)
117
x
3tlt
x
13
inches)
including
projecting parts
and controls
Approx. 5 kg
(11
lb 4 oz) net
Approx. 5.8 kg
(12
lb
13
oz) in shipping carton
TUNER
\
4yI_ )
sr.-70kHz
1?dB
rAPE 1,2
/
Less than
90
gV
(8
ohms,
network
A)
50
(8
ohms,
1
kHz)
INTEGRATED
STERE0
AMPilHER
tEl
SPECIFICATION
Amplifier
section
Continuous RMS
power
outout
(Less
than
0.005%
THD,
At
20 Hz
-
20 kHz
toth channels driven
65 + 65 watts
(8
OhmS)
srmultaneously)
According
to
DIN
4SS00
65 + 65 watts
(8
ohms)
Power
bandwidth
(lHF)
5
Hz 45
KHz
Dynamic headroom
1.2
dB*
Harmonic
distortion Less
than 0.005%
at rated oulout
Intermodulation
(lMt
distortion
(60
Hz : 7 kHz
=
4 : 1)
Less than
0.005% at rated
output
Frequency response
PHONO: RIAA
equalization
curve
t0.2 dB
-
Continued
on
page
2
-
WARNING!!
AN ISOLATION
TRANSFORMER
SHOULD
BE
USED
DURING
ANY
SERVICE
TO
AVOIO
POSSIBLE
SHOCK
HAZARD,
BECAUSE
OF LIVE
CHASSIS.
THE
CHASSIS
OF THIS RECEIVER
IS
DIRECTLY
CON.
NECTED
TO
THE AC POWER
LINE.
Sc)NY
Residual noise
Damping factor
SAFETY,RELATED
COMPONENT
WARNING!
!
COMPONENTS IDENTIFIED
BY
SHADING AND
MARK
A
oN THE
scHEMATrc DtAGRAMS.
EXpLoDED
VIEWS ANO
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
PUBLISHED
BY SONY.
lirr--
lIIIII
rrr
l
lMrcRoFtLq
SERVICE
MANUAL

Sony TA-AX5 Specifications

General

Brand	Sony
Model	TA-AX5
Category	Amplifier
Language	English

Summary

Specifications and Overview

General System Specifications

Details on system, power requirements, consumption, and dimensions.

Amplifier Performance Specifications

Output power, frequency response, distortion, and damping factor.

Safety Warnings

Critical safety warnings for component handling and operation.

Block Diagram

Overall System Block Diagram

High-level overview of the amplifier's signal flow and component connections.

Servicing and Repair Notes

Pulse Power Supply Servicing

Notes on repairing the pulse power supply circuit, including safety precautions.

Inverter Circuit Component Replacement

Guidance on replacing inverter transistors and transformers.

Disassembly Procedures

Top Cover and Panel Assembly Removal

Steps to remove the top cover and front panel assembly.

Power Box and Input Board Access

Procedures for accessing the power box and input board components.

Electrical Adjustments

DC Bias Adjustment Procedure

Steps to set the DC bias for left and right channels.

DC Balance Adjustment Procedure

Steps to set the DC balance for speaker terminals.

Semiconductor Lead Layouts

Transistor and Diode Lead Configurations

Visual guides for transistor and diode pinouts and orientations.

Diagrams and Schematics

Mounting Diagram - Conductor Side

Layout of components and connections on the conductor side of the input board.

Schematic Diagrams (1)

Audio Board (1/2) Schematic

Detailed circuit diagram for the left and right channel audio input stages.

Schematic Diagrams (2)

Display and Audio Board Schematics

Circuit diagrams for the display and further audio board sections.

Exploded Views and Parts List

Exploded View - Main Chassis Assembly

Diagram showing the breakdown of the main unit's internal components.

Parts Identification

General and Accessory Parts

List of general components and accessory items with their part numbers.

Electrical Components - Part Numbers

Cross-reference of electrical component part numbers.

Capacitor Specifications

Electrolytic and Ceramic Capacitors

Lists part numbers for various electrolytic and ceramic capacitor types by voltage and capacitance.

Capacitor Types and Ratings

Mylar and Tantalum Capacitors

Lists part numbers for Mylar and Tantalum capacitors by voltage and capacitance.

Resistor and Hardware Details

Carbon Resistor Values and Hardware Nomenclature

Lists carbon resistor values and defines hardware terms like screws and nuts.