Technics SHEH 500 Service Manual

Page 1

ORDER NO. AD9802022C2

Service Manual

Sound Processor

* SB-EHGOO

SL-EHSOO

SH-EHSDO

RS-EHSOO SA-EHSOO

*SB-EHSOO

Sound Processor

SH-EHSOO

Colour
(H) ........ Gray Type

Area
(E) ........ Europe.
System sc-EHSOO
Sound Processor SH-EHSOO
Remote comm| Tuner / Amplifier SA-EHSOO
Transmitter CD Player SLvEHSOO
Cassette Deck RS-EHGOO
Front Speakers sa-EHeoo

>l< : Made in PAES

Because of unique interconnecting cables, when a component

requires service, send or bring in the entire system.

Specifications

EQISFP Section
MANUAL GEO:
Center frequency; 100 Hz, 315 Hz, 1 kHz,
3.15 kHz, 10 kHz
Level control; i 3,1 6, i 9 dB
EQ SPACE mode
3 modes;
Acoustic Image Selector:
Spectrum analizer Section

Display mode: NORMAL, PEAKHOLD. AURORA

HALL, CLEAR, HEAVY
36 pattern

\

General
Dimensions: 287 (W) x 89 (H) x 273.5 (D) mm
Weight: 1.1 kg

Note: Specifications are subject to change without notice.
Weight and dimensions are approximate.

$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 nonrteChnical individuals of potential dangers in attemptlng 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 inlury or death,

Technics

© 1998 Matsushlta Electric industrial Co. Ltd.
All rights reserved, Unauthorized copying and
distribution is a violation of law.

Page 2

SH-EHSOU

l Contents

Page Page
Location of Controls .................................................................. 2 Type Illustration of IC's, Transistors and Diodes ., .10
Operation Checks and Wiring Connection Diagram . .10

Main Component Replacement Procedures .......... 3. 4 Terminal Function of lCs ...... .11

To Supply Power Source, 5 Block Diagram ....................... 12
Schematic Diagram ..... . 6 - 8 Replacement Parts List . . 13, 14
Printed Circuit Board Diagram ................................................. 9 Cabinet Parts Location ........................................................... 14

NOTE:

Refer to the service manual for Model No. SA~EH500 for information on Accessories, Connections", Installation" ,
Operations" and Packaging.

I Location of Controls

(D EQ SPACE on/flat button (E0 SPACE ONIFLAT)

® Display mode select/demonstration button (DISP MODEl-DEMO)

© Display

@ DOLBY PRO LOGIC indicators (SURROUND, 3 STEREO, NORMAL, WIDE. PHANTOM)
(53 Multi control buttons (MULTI CONTROLl b, A, 4, V )

© Acoustic image E0 button (ACOUSTIC IMAGE E0)

® E0 SPACE preset/manual select button (PRESETIMANUAL)