Sony ta n 80es pwr service manual

Page 1

A EP Model
E Model

SPECIFICATIONS

AUDIO POWER SPECIFICATIONS

POWER OUTPUT AND TOTAL HARMONIC
DlSTORTlON:

With 4 ohm loads, both channels driven, from
20 - 20,000 Hz; rated 270 watts per channel
minimum RMS power, with no more than
0.006 % total harmonic distortion from 250
milliwatts to rated output.

With 8 ohm loads, both channels driven, from
20 ~ 20,000 Hz; rated 200 watts per channel
minimum RMS power, with no more than
0.004 % total harmonic distortion from 250
milliwatts to rated output.

Other speclflcatlons

1 ohm 660 W 530 W
Dynamic power 2 ohms 800 W 640 w

4 ohms 520 W 420 W

6 ohms 370 W 300 W

8 ohms 300 W 240 W

4 ohms, 0,02 % 10 Hz - 100 kHz -
Power
bandwidth
(in) 8 ohms, THU 10 Hz - 100kHz

0.02 %
Dynamic 4 ohms 2.8 dB __
headroom
('78 lHF) 8 ohms 1.8 dB
Total harmonic 4 ohms, at 10 0.004 % _
distortion war! Output

6 ohms, at 10 0.003 %

watt output

8 ohms, at 10 0.0018 %

watt output

Item Condltlon Model except Model for
for North North Europe
Europe
Continuous 4 ohms 270 w __
HMS power 20 H2 - 20 kHZ, +
output (both THD 0.006 % 270 w
channels
driven 6 ohms 230 W 190 W
simultaneously) 20 Hz - 20 kHz. + +
THD 0.005 % 230 w 190 w
8 ohms 200 W 160 W
20 Hz - 20 kHz, + +
THD 0,004 % 200 W 160 W

- Continued on page 2 -

STEREU POWER AMPLIFIER

SONY,

Page 2

TA-N80ES

lnterrnodulatlon 4 ohms. at 0.006 % -
(IM) distortion 60 rated output
Hz:7 kHz = 4:1
6 ohms. at 0.005 %
rated output
8 ohms at 0.004 %
rated output
Damping factor 3 ohms, 100
1 kHz
Slew rate - 150 V/usec
300 V/usec (Inside)
Residual noise network A less than 35 )1V
Frequency - 1 Hz 200 kHz :gdB
response

input sensltlvlty UNBALANCED: 1 V. 80 kohms

BALANCED: 0.5 V. 600 ohms

SIN (network) 78 FIXED

120 dB (A)
IHF VARIABLE

General
System Super legato linear,
purecomplementary SEPP power amplifier.
powerful power supply
Power requirements
Model for U.S.A. and Canada: 120 V AC, 60 HZ
Model for other countries: 120. 220 or 240V AC
adjustable. 50/60 Hz
Power consumption
Model for USA: 380 watts
Model for Canada: 950 VA
Model for North European
countries: 310 W
Models for European countries and other
countries: 510 W

Dimensions Approx 470 x 185 x 440 mm (wlh/d)
(18 5/8 x 7 3Is x 17 I. inches)
including projecting parts and controls
Weight Model [or European countries:

Approx: 24 kg (52 lb 15 02). net
other models: Approxzaa kg (58 lb)
Supplied accessories
Power control cord (1)

Design and specifications subject to change without notice.

SAFETY-RELATED COMPONENT WARNING

COMPONENTS IDENTIFIED BY MARK A OR DOTTED
LINE WITH MARK A ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL T0 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

Specifications .....................

1. GENERAL

Precautions ------------------------------ 3
Operating Voltage ~~~~~~~~~~ 3
Function of Controls 4
System Connections ...................... 5

2. DISASSEMBLY

Top Plate and Ornamental Side Plate (R)
RemOVal ............................... 7

Front Panel Removal 7
Protector Board Removal 8
Chemical Condenser Assy Removal -------- 8
Main (A) Board Open vvvvvvvvvv 9
Circuit Boards Location ~~~~~~~~~~~~~~~~~~~ 9

Section M Page
3. ELECTRICAL ADJUSTMENTS

4. DIAGRAMS

41. Semiconductor Lead Layouts »»»»»»»»»»»»»»» 11
4-2. Printed Wiring Boards ~~~~~~~~~~~~~~~~~~~~ 12
4-3 Schematic Diagram ----------------------- 17

5. EXPLODED VIEWS

6. ELECTRICAL PARTS LIST ------------ 25