Technics SH-EH750

DC [eater surrcuno|
PRO-LOGIC
* SB-PS75
Remote Control
Transmitter
* SB-EH750
Specifications
EQ/SFP Section
MANUAL GEQ:
Center frequency;
Level control;
EQ SPACE mode:
3 modes;
3D Acoustic Image EQ:
3 modes;
Pre-amplifier Section
Input sensitivity/impedance:
VCR (EXT);
AUX (DVD);
DVD 6CH INPUT (L/R/LS/RL/C/SubW);
Output level:
VCR REC OUT;
SUBWOOFER OUT;
DOLBY PRO LOGIC Section
PRO LOGIC mode:
CENTER mode:
DELAY TIME:
AV SURROUND Section
AV SURROUND mode:
Sound Processor
Because of unique interconnecting cables, when a component
requires service, send or bring in the entire system.
100 Hz, 315 Hz, 1 kHz, 3.15 kHz, 10 kHz
+ 3,6,9dB
HEAVY, CLEAR, HALL
Al EQ, 3D Al1,3D Al2
250 mV/15 kQ
250 mV/15 kQ
250 mV/15 kQ
250 mV/1.5 kQ
2.5 V/2.2 kO
SURROUND
NORMAL
20 ms (Fixed)
SIMULATED STEREO
SUPER SURROUND (MUSIC, MOVIE)
SL-EH750 SH-EH750
ORDER NO. AD9903061C2
Service Manual
Sound Processor
SH-EH750
Colour
(5) eedeess Silver Type
* SB-PS75
=e Area
CE) eters Europe.
Sound Processor
Tuner/Amplifier
CD Changer
Cassette Deck
Front Speakers*
Center Speaker*
Surround Speakers*
* : Made in Singapore.
DSP CONTROL Section
DSP CONTROL mode: SEAT POSITION
CENTER FOCUS
VIRTUAL REAR SURROUND
MULTI REAR SURROUND
Spectrum Analizer Section
Display mode: NORMAL, PEAKHOLD, AURORA
General
Dimensions (WxHxD): 293x89x269 mm
Weight: 1.5 kg
Notes: Specifications are subject to change without notice.
Weight and dimensions are approximate.
Manufactured under license from Dolby Laboratories Licensing
Corporation.
DOLBY, the double-D symbol 00 and "PRO LOGIC" are trademarks
of Dolby Laboratories Licensing Corporation.
A\ 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 attempt to service or
repair the product or products dealt with in this service information by anyone else could result in serious injury or death.
‘Technics
© 1999 Matsushita Electric Industrial Co., Ltd.
All rights reserved. Unauthorized copying and
distribution is a violation of law.

Technics SH-EH750 Specifications

General

Brand	Technics
Model	SH-EH750
Category	Recording Equipment
Language	English

Summary

Product Information and Safety

Model Identification and System Components

Identifies the SH-EH750 model, its color, region, and associated system components.

General Servicing Safety Warning

Warning regarding electrical hazards and the need for qualified technicians.

Technical Specifications

Audio and Control Specifications

Details EQ/SFP, Pre-amplifier, DOLBY PRO LOGIC, AV SURROUND, and DSP control modes.

Analyzer Display and Physical Dimensions

Covers Spectrum Analyzer display modes, dimensions, and weight.

Control Panel Layout

Front Panel Control Identification

Lists and describes the purpose of each control on the unit's front panel.

Operation Checks and Component Replacement

FL P.C.B. Inspection and Removal

Step-by-step guide for checking and removing the Front Logic Printed Circuit Board.

Main P.C.B. Inspection and Removal

Step-by-step guide for checking and removing the main Printed Circuit Board.

Schematic Diagrams Introduction

Circuit Diagram Overview and Notes

Introduces schematic diagrams, including notes on technology updates, component markings, and safety.

Printed Circuit Board Diagrams

FL P.C.B. Component Layout and Parts

Diagram showing component placement on the Front Logic P.C.B. and its parts location.

Main P.C.B. Diagram

Main P.C.B. Component Layout and Parts

Diagram showing component placement on the Main P.C.B. and its parts location.

Component and Wiring Diagrams

Component Illustrations

Visual representations of key ICs, transistors, and diodes.

Wiring Connection Diagram

Shows interconnections between main internal boards and external units.

Terminal Functions

IC601 Terminal Functions Description

Detailed pinout and function description for the System Control IC.

System Block Diagrams

Control and Analyzer System Flow

Illustrates the signal flow between the main control IC and the spectrum analyzer.