Technics SH-GE50 Service Manual

B Specifications
@ Equalizer Section
Frequency response(center position)
Viaximum output voltage
Rated output voltage
Rated total harmonic distortion
nput sensitivity
Signal -to -noise ratio
Maximum input voltage
Input impedence
Gain
Band level controls
5Hz~100kHZ, -3dB
6V(1kHz)
1V
0.007%(20Hz~20kHz)
0.005%(1kHz)
1V
110dB(IHF'A)
6V
33 kQ
0+1 dB
+12dB to -12dB
(7 continuous variable
elements per channel)
— Contents
Page
CAUTIONS FOR AC MAIN LEADG.............:cccccccessseseeseeesseeeesseaees 2
OPERATION CHECKS iiiscsvecucicdeticavainccmdccavbrstaurcpintamanncentepeedeas 3~4
TERMINAL GUIDE OF ICs TRANSISTORS AND DIODES ........ 5
SCHEMATIC DIAGRAM. ...........cccccceessseseeeesensseeeesseesenesesaaeeensaaes 5~7
PRINTED CIRCUIT BOARD ..........c00cssscercssssssnssancsacssanccarssacseaeare 8~10
ORDER NO. MD9707075C2
Service Manual
Stereo Graphic Equalizer
Equalizer
SH-GE50
= : ene Black Type
Area
Suffix for
A
eB W
(EG) Germany and Italy |
Center frequency 63Hz, 160Hz, 400Hz, 1kHz
2.5kKHz, 6.3kKHz, 16kKHz
@ General
Power supply AC 230 - 240 V, 50 Hz
Power consumption 11W
Dimensions (W x H x D) 430 x 80.4 x 192.5 mm
| (16°9/,." X 3/55" X 7'%/,5")
Weight 1.8kg (3.95ib.)
Notes :
1. Specifications are subject to change without notice.
Weight and dimensions are approximate.
2. Total harmonic distortion is measured by the digital
spectrum analyzer.
Page
WIRING CONNECTION DIAGRAM. ..........ccccececceeeneeeeeseeseesesenenenees 11
CABINETPARTS LOCATION Sickie te eee 12
REPLACEMENT PARISLISDE wisisstisuceseatcais nsiiavnnuavianene came 13
RESISTORS & CAPACITORS xecicsustenceetietiscatenimcinics 14
4. WARNING
This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain
warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. Products powered by electricity should
be serviced or repaired only by experienced professional technicians. Any attemptto service or repair the product or products dealt with in this service
information by anyone else could result in serious injury or death.
Technics'
© 1997 Matsushita Electronics (S) Pte. Ltd.
All rights reserved. Unauthorized copying and
distribution is a violation of law.