Technics SH-8075 EH

|
\*
i The Bleek. type model is ‘indicated by (K)
in the Service Manual.
The colors of this model | 1S black type only.
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Specifications
(DIN 45 500)
Frequency response
(center position)
Maximum output
voltage
Rated output voltage
Rated total harmonic
distortion
Input sensitivity
Signal-to-noise ratio
Maximum input
voltage
input impedance
Output impedance
Gain
Channel balance
250 Hz~6300 Hz
Channel separation
1 kHz
Band level controis
>5 HZ~100 kHz, —1 dB
>8V (1 kHz, THD 0.01%)
(LOW LEVEL 150 mV)
ames
> 0.001% (20 Hz~20 kHz)
a
110 dB (120 dB, IHF ‘A)/2 V
104 dB (114 dB, IHF ’A)/1 V
8 V (1 kHz)
(LOW LEVEL 150 mv)
> 47 kQ
> 600Q
>O0+1dB
=+0:506
:70dB
+12dB~-12dB
Stereo Graphic Equalizer
Specifications are subject to change without notice for further improvement.
Weights and dimensions shown are approximate.
Center frequency
ORDER NO. SD83072619C2
Areas
|, [EH], [EB],
* EK] is cAvailieal in United Kingdo
* [EF] is available in France.
*{EH] is available in Holland.
* (EB) is available in Belgium.
x [EGA] iS available in F, R. Germ
an
a
TOA 202. 25 AZ OV oases
40 Hz, 50 Hz, 63-H2,:80: Hz,
100:HZ,.125 Hz, 160 Hz, 200 Hz,
250 Hz.375-Hz, 400 Hz,.500 Hz,
630 Hz, 800 Hz, 1 KHz, 1.25 kHz,
16 KHz, 2 kHz; 2.5 KHZ, 3.15 kHz,
4 kHz, 5 KHz, 6.3 KHz, 8 KHz,
10 kHz, 12.5 KHz, 16 KHz, 20 kHz,
25 KHz
Variable equalizer
Center-frequency
controls (variable) > 20 Hz~ 400 Hz
Bandwidth controls(Q) :0.7~7
Band level controls
hie dB] 1208
GENERAL
Power supply > AC 110 V/120 V/220 V/240 V,
50 Hz/60 Hz
Power consumption > 34 W
Dimensions
(33 elements continuously variable
per channel)
Signal level selector 7150 mV/1 V
& CONTENTS
Page
SAFETY:PRECAUTION 2p pei ee ERE Baws Seem 2
TOTAL FREQUENCY RESPONSE ii Bi ity Seah Gas Hes hae Cie SO aera ean
LOCATION OF CONTROLS . Sk WR ote lelctan Woe a Ae Ge
DISASSEMBLY INSTRUCTIONS . ; fay 8k ena a Oe
MODEL NO. SH-8065 BE DIFFERENT MODEL
NO. SH-8075 : : ews: &. pay “6
PRINTED CIRCUIT BOARDS WIRING.
CONNECTION DIAGRAM i a iat Bye
‘Technics
(HxWxD) > 153x430 x 330 mm
(6-1/32" « 16-15/16" x 13")
Weight : 6.6 kg (14.5 Ib)
Page
PRINTED CIRCUIT BOARDS .................. 9°16
TECHNICAL INFORMATION . ee ee ee eee |
EXPLODED VIEW....... le 18,19
REPLACEMENT PARTS LIST . Bi eae ole ee ea ee
SCHEMATIC DIAGRAM .............. 000-5. 21~30
BLOCK DIAGRAM ..... Say & bre & i oe SG eee
RESISTORS AND CAPACTIORS Pg yk he BB eA Hata ie, Op OA
Matsushita Electric Trading Co., Ltd.
P.O. Box 288, Central Osaka Japan

Technics SH-8075 EH Specifications

General

Type	Stereo Equalizer
Frequency Bands	10
Output Impedance	1 kΩ
Power Supply	AC 120V, 60Hz
Dimensions	420 x 100 x 300 mm
Weight	3.5 kg
Total Harmonic Distortion	0.05%
Frequency response	20 Hz - 20 kHz
Control Range	±12 dB
Frequency Range	20 Hz - 20 kHz
Frequency Bands (Individual)	125 Hz, 250 Hz, 500 Hz, 1 kHz, 2 kHz, 4 kHz, 8 kHz, 16 kHz

Summary

Safety Precautions

Insulation Resistance Test

Performs insulation resistance testing to prevent electric shock hazards.

Location of Controls

Disassembly Instructions

Variable Equalizer

Explains the function of variable equalizer controls for frequency and bandwidth.

Disassembly Instructions

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

How to Remove the Switch P.C.B. and Variable Equalizer P.C.B.

Printed Circuit Boards Wiring Connection Diagram

Technical Information

Variable Equalizer Circuit

Explains the circuit design for varying frequency and bandwidth in the equalizer.

Band Level Control Circuit

Details the circuit for adjusting center frequency by ±12 dB for peaks and dips.

Replacement Parts List

Terminal Guide of Transistors, ICs and Diodes