Technics SH-8028

ORDER NO. HAD8602362C0
ervice
Manual
Stereo
Graphic
Equalizer
Equalizer
Color
(K)
+--+
Black
Type
(S) --++ Silver Type
(K)(S) | [IM] .....
(K)(S) | [MC] . Canada
(K)(S) | [E] ..... Continental Europe
(K)(S) | [EH] .... Holland
(K)(S) | [EB] Belgium
(K)(S) | [EF] .... France
(K)(S) | [EK] .... United Kingdom
(K)(S) | [EGA] ... F.R. Germany
(K)(S) | [Ei] ..... Italy
(K)(S) | [XL] . Australia
(K)(S) . Asia, Latin America,
Middle Near East,
Africa & Oceania
Far East PX
European Military
(K)(S)
(K)(S)
SPECIFICATIONS
GENERAL
Power supply
Frequency response
(center position)
Maximum output
>5
Hz~100
kHz,
—1
dB
:
AC
60
Hz,
120V
(For U.S.A. and Canada)
voltage >8 V (1 kHz, THD 0.01%) AC 50 Hz/60 Hz, 240 V
Rated output voitage 71 V (For United Kingdom and Australia)
Rated total harmonic AC 50 Hz/60 Hz, 220 V
distortion :0.005% (20 Hz~20 kHz) (For continental Europe)
0.003% (1 kHz) AC 50 H2/60 Hz, 110 V-127 V/
Input sensitivity 71 V 220 V—240V
Signal-to-noise ratio :100 dB (DIN 45 500) (For other areas)
: 110 dB (IHF’A) Power consumption >7W
Maximum input Dimensions
voltage >8 V (1 kHz) (HxWxD) : 86 x 430 x 193.5 mm
Input impedance > 33 kN (3-3/8" x 16-15/16” x 7-5/8’’)
Gain :0+1 dB Weight : 2.1 kg (4.6lb)
Channel balance (DIN 45 500)
250 Hz~6300 Hz >: +0.5 dB
Channel separation (DIN 45 500)
1 kHz :70 dB
Band level controls > +12 dB~-—12 dB
(7 elements continuously variable
per channel)
:63 Hz, 160 Hz, 400 Hz, 1 kHz,
2.5 kHz, 6.3 kHz, 16 kHz
Specifications are subject to change without notice
for further improvement.
Center frequency
Matsushita Electric Trading Co., Ltd.
P.O. Box 288, Central Osaka Japan
Panasonic Hawaii, Inc.
91-238, Kauhi St. Ewa Beach
P.O. Box 774
Honolulu, Hawai! 96808-0774
Matsushita Services Company
50 Meadowland Parkway,
Secaucus, New Jersey 07094
Panasonic Tokyo Office
Matsushita Electric Trading Co., Ltd.
6th Floor, World Trade Center Bidg..
Panasonic Saies Company,
Division of Matsushita Electric
‘Technics
Matsushita Electric
of Puerto Rico, Inc.
Ave. 65 De Infanteria, KM 9.7
Victoria Industrial Park
Carolina, Puerto Rico 00630
of Canada Limited
5770 Ambler Drive, Mississauga,
Ontario, L4W 2T3
No. 4-1, Hamamatsu-cho 2-Chome,
Minato-ku, Tokyo 105, Japan

Technics SH-8028 Specifications

General

Brand	Technics
Model	SH-8028
Category	Recording Equipment
Language	English

Summary

Safety Precautions

Insulation Resistance Test

Procedure to test insulation resistance for shock hazard prevention.

Location of Controls

Operation

Operational Procedures

Step-by-step guide for basic operation and adjustments.

Operation Notes

Important considerations for amplifier connection and usage.

Disassembly Instructions

How to Remove the Cabinet

Steps to safely detach the main cabinet from the unit.

How to Remove the Front Panel

Procedure for removing the front panel assembly.

How to Remove the Power Supply P.C.B. and Switch P.C.B.

Instructions for removing power and switch circuit boards.

How to Remove the Band Level Control Volume P.C.B.

Steps to detach the band level control volume circuit board.

How to Fit the Volume Rod

Guide on correctly installing the volume control rod.

Resistors & Capacitors

Numbering System of Resistor

Explanation of the numbering conventions for resistors.

Numbering System of Capacitor

Explanation of the numbering conventions for capacitors.

Resistor List

List of specific resistors with their part numbers and values.

Capacitor List

List of specific capacitors with their part numbers and values.

Block Diagram

Circuit Boards and Wiring Connection Diagram

SwitchJack Circuit

Diagram for the input/output jack and switching circuit.

Volume P.C.B. (Left Channel)

Circuit board diagram for the volume control section (left channel).

Power Supply P.C.B.

Circuit board diagram for the power supply section.

Volume P.C.B. (Right Channel)

Circuit board diagram for the volume control section (right channel).

Schematic Diagram

SwitchJack Circuit

Schematic of the input/output jack and switching circuit.

Muting Circuit

Schematic of the muting circuit.

Power Supply Circuit

Schematic of the power supply circuit.

Volume Circuit

Schematic of the volume control and equalization circuitry.

Voltage Selector and AC Outlet

Diagrams for voltage selector and AC outlet configurations.

Replacement Parts List

Integrated Circuits

List of integrated circuits with part numbers.

Transistors

List of transistors with part numbers.

Diodes

List of diodes with part numbers.

Transformers

List of transformers with part numbers.

Variable Resistors

List of variable resistors with part numbers.

Switches

List of switches with part numbers.

Exploded View