Sony TA-S2 Service Manual

.
TA-S2
SERVICE
MANUAL
AEP
Model
UK Model
TA-S2 is the integrated stereo amplifier
section in SHC-S2. (UK model only)
SPECIFICATIONS
—
;
Input
sensitivity
Amplifier
selection
PHONO:
MM,
2.5
mV,
50
Continuous
RMS
power
output
kilohms
(German
model)
TUNER,
CD,
TAPE,
MD,
DAT/
40
+
40
watts
(4
ohms
at
1
kHz,
VIDEO
ADAPTOR
IN:
150
DIN)
mV,
50
kilohms
48
+
48
watts
(4
ohms
at
1
kHz,
Maximum
input
capability
(1
kHz)
5
%
THD)
PHONO:
MM,
150
mV
at
1
kHz
{other
models)
S/N
(network)
40
+
40
watts
(6
ohms
at
1
kHz,
PHONO:
85
dB(A)
(SOURCE
DIN)
DIRECT
ON)
50
+
50
watts
(6
ohms
at
1
kHz,
CD:
100
dB(A)
(SOURCE
.
5
%
THD)
DIRECT
ON)
Music
power
output
Output
voltage
impedance
(German
model)
TAPE,
MD,
DAT/VIDEO,
100
+
100
watts
(4
ohms
at
1
ADAPTOR:
150
mV,
2
kilohms
kHz,
10
%
THD)
HEADPHONES:
25
milliwatts
(other
models)
at
8
ohms,
Accepts
low
and
85
+
85
watts
(6
ohms
at
1
kHz,
high
impedance
headphones.
10
%
THD)
Tone
controls
Total
harmonic
distortion
BASS:
+7
dB
at
100
Hz
0.01%
at
rated
15
W
1
kHz
TREBLE:
+6
dB
at
10
kHz
output (SOURCE DIRECT ON)
Residual
noise
~
General
Less
than
150
pV,
6
ohms,
System
Network
A
Pure-complementary
SEPP
Frequency
response
MOS
FET
power
amplifier
PHONO
MM
(20
Hz
-
20
kHz):
Power
requirements
RIAA
equalization
curve
+0.5
220
-
230
V
AC,
50/60
Hz
dB
:
Power
consumption
TUNER,
CD,
TAPE,
MD,
DAT/
(German
model)
90
W
VIDEO,
ADAPTOR
IN:
10
Hz
-
(other
models)
85
W
50 kHz *8dB
— Continued on next page —
INTEGRATED STEREO AMPLIFIER
SONY.

Sony TA-S2 Specifications

Power

continuous power output	40 + 40 watts (4 ohms at 1 kHz)
continuous power output (German model)	100 + 100 watts (4 ohms at 1 kHz, 10 % THD)
power requirements	220 - 230 V AC, 50/60 Hz

Audio Specifications

total harmonic distortion	0.01% at rated 15 W 1 kHz
frequency response (PHONO MM)	20 Hz - 20 kHz
input sensitivity (PHONO MM)	2.5 mV, 50 kilohms

Weight and Dimensions

dimensions	310 x 90 x 360 mm
mass	5.5 kg

Summary

SPECIFICATIONS

Amplifier Performance

Details on power output, distortion, residual noise, and frequency response.

Input and Output Characteristics

Covers input sensitivity, S/N ratio, output impedance, and tone controls.

System and Power Details

Information on the general system type, power requirements, and consumption.

SECTION 1 GENERAL

Parts and Controls Identification

Identifies front panel controls and remote commander buttons for operation.

SECTION 2 ELECTRICAL ADJUSTMENTS

DC Bias Adjustment Procedure

Step-by-step guide for adjusting DC bias on the main board without signal input.

SECTION 3 DIAGRAMS

CIRCUIT BOARDS LOCATION

Map showing the physical location of all internal circuit boards.

BLOCK DIAGRAM

Functional block diagram illustrating the system's signal flow and interconnections.

SCHEMATIC DIAGRAM

Detailed electronic circuit schematics for component-level analysis and repair.

SEMICONDUCTOR LEAD LAYOUTS

Visual representation of pin configurations for various semiconductor components.

IC PIN FUNCTION

Detailed pin assignments and functions for the main controller IC (TMP87C846N-4109).

SECTION 4 EXPLODED VIEWS

FRONT PANEL AND CASE SECTION

Exploded view detailing the assembly of the front panel and external case components.

MAIN BOARD SECTION

Exploded view illustrating the layout and assembly of the main internal circuit board.

SECTION 5 ELECTRICAL PARTS LIST

Component Categories Overview

Lists parts by category: HEADPHONE, MAIN, RESISTORS, SEMICONDUCTORS, CAPACITORS, COILS.

TRANSISTORS, DIODES, and FUSES

Lists transistor, diode, and fuse components with their part numbers and specifications.

ICs and COILS

Lists integrated circuit and coil components with their part numbers.

RESISTORS

Comprehensive list of all resistor components used in the unit.

VARIABLE RESISTORS, RELAYS, and TRANSFORMERS

Lists variable resistors, relays, and transformers with their respective part numbers and specifications.

BASE POSTS and TERMINALS

Lists base posts and terminal blocks used for mounting and connections.

CAPACITORS

Comprehensive list of all capacitor components used in the unit.

CONNECTORS, DIODES, and ICs

Lists connectors, diodes, and integrated circuits with their part numbers and specifications.

TRANSISTORS and RESISTORS

Lists transistor and resistor components with their part numbers and specifications.

CAPACITORS

Comprehensive list of all capacitor components used in the unit.

ICs, TRANSISTORS, and RESISTORS

Lists integrated circuits, transistors, and resistors with their part numbers.

VARIABLE RESISTORS, SWITCHES, and VIBRATORS

Lists variable resistors, switches, and the vibrator component.

CAPACITORS and DIODES

Lists capacitor and diode components with their part numbers and specifications.

RESISTORS and DIODES

Lists resistor and diode components with their part numbers and specifications.

ICs and SWITCHES

Lists integrated circuits and switches with their part numbers.

CONNECTORS and CAPACITORS

Lists connector and capacitor components with their part numbers and specifications.

RESISTORS and VARIABLE RESISTORS

Lists resistor and variable resistor components with their part numbers.

MISCELLANEOUS COMPONENTS

Lists miscellaneous parts including wires, cords, plugs, fuses, and outlets.

ACCESSORIES AND HARDWARE

Lists accessories, packing materials, and hardware like screws.