Technics SHAC 500 D Schematics

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ORDER NO. MDQQOSOQOCZ

Service Manual

Digital Surround Processor Processor

E55 SH-ACSOOD

D_ DE!

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Manufactured under license from Dolby Laboratories. DOLBV, Pro Logic"
and the doublerD symbol are trademarks ol Dolby Laboratories. Confidential
Unpublished Works. © 1992-1 997 Dolby Laboratories, Inc. All rights resenledt

DTS Inc USP No. 5, 451, 942.

I Specifications

I AUDIO Total harmonic distortion
Frequency response FRONT HR (1 kHz, 0 dB, PCM) 0.007%
FRONT LIR. CENTER, SURROUND LIR (LARGE) Dynamic range 96 dB
20 HZ»20 kHZ,1I dB SIN (IHF-A) 100 dB
Outlet voltage/Impedance 2 V (at 0 dB)/1 k9 Load impedance More than 10 kt}
Input impedance
LINE 22 kg I GENERAL
COAXIAL 75 kg Power supply AC 230 - 240 V. 50 Hz
Delay time Power consumption 18 W
DOLBV DIGITAL Dimensions (W X H X D) 430 X 69.4 X 301.4 mm
CENTER 0 - 5 ms Weight 26 kg
SURROUND LIR O 715 ms
DOLBY PRO LOGIC Notes :
SURROUND LIR 15 - 30 ms Specifications are subject to change without notice.

Weight and dimensions are approximate.

/\ WARNING

This service inlormation is designed tor 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 inlury or death.

© 1999 Matsushita Electronics (8) Ple. Ltd.

. ® All rights reserved. Unauthorized copying
ec nlcs and distnbution IS a violation of law,

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SH:ACSOOD 7

I Contents
PAGE
' ACCESSORIES ............................................. 2
' CAUTIONS FOR AC MAINS LEAD 3
0 FRONT PANEL CONTROLS ...... 4
' CONNECTIONS 5 ~ 7
- SPEAKER SETTING 8
- SPEAKER OUTPUT ADJUSTMENTS . 9 ~ 10
' DELAY TIME ADJUSTMENTS 11
- ENJOYING SOUND IN A VARIETY OF
REPRODUCTION MODES ....................................... 12 ~ 13
0 OTHER FUNCTIONS 14
' REMOTE CONTROL QUICK REFERENCE .. 15
OPERATION CHECKS .............................................. 1G - 17

I Accessories

AC power supply cord
lor United Kingdom

AC power supply cord
for Others

PAGE
TERMINAL FUNCTION OF ICS ................................ 18
TYPE ILLUSTRATION OF IC'S,
TRANSISTORS AND DIODES 19
WIRING CONNECTION DIAGRAM

BLOCK DIAGRAM,
SCHEMATIC DIAGRAM
PRINTED CIRCUIT BOARD
CABINET PARTS LOCATION .
REPLACEMENT PARTS LIST

RESISTORS & CAPACITORS
PACKING MATERIALS & ACCESSORIES. I 42
PACKAGING .............................................................. 42

Monaural connecllon cables Stereo conneclion cables

Optical-fiber cable

Remote control unit

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