Technics SHDV 170 Service Manual

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ADOOOS1 1 3C2

Service Manual

on-

PROLOGIC

SB-PS75

$B~P$75

RS-DVWO SA-DVWO SB-EH760

SB-EH760

Sound Processor

SH-DV17O

Colour

(S) .................... Silver Type
Area

(EG).... ...Europe.

Because of unique interconnecting cables, when a component
requires service, send or bring in the entire system.

Specifications

EQ/SFP section
MANUAL GEO:
a-Band parametric E0 Center frequency;

High band 35 kHz, 53 kHz, 8 kHz. 12.5 kHz
Mid band 240 Hz, 390 Hz, 630 Hz, 1 kHz,

1.5 kHz, 2.3 kHz, 3.5 kHz
Low band 70 Hz, 90 Hz, 143 Hz, 240 Hz

Level control; : 1.2, 2.4, 3.6, 4.8, 6 dB

E0 SPACE mode:

System SC-DVt 70
Sound Processor SH-DV170
Tuner/Amplifier SA-DV170
DVD Changer SL-DV170
Cassette Deck RS-DV17O
Front Speakers" SB-EH760
Center Speaker SB-PC75
Surround Speakers* SB~PS75

* : Made in Spain.

AV SURROUND section
AV surround mode: SIMULATED STEREO
SUPER SURROUND (MUSIC, MOVIE)
DSP CONTROL section
DSP control mode: SEAT POSITION
CENTER FOCUS (1, 2),
VIRTUAL REAR SURROUND,
MULTI REAR SURROUND,
3D ENHANCED SURROUND

gm? . E . HEAVY' CLEAR HALL Spectrum Analyzer section
3 5" "899 0- Display mode: NORMAL, PEAKHOLD, AURORA
3 modes; Al EQ, 3D Al 1, 3D Al 2
Pre-amplifier section generel w H D _ 293 89 2 0
Input sensitivityfimpedanoe: Mimensmns ( X X ) X X 71 5me
VCR (EXT); 250 mV/15 kg 5- - 9
ompzéfégg; 250 mV/15 k9 Notes: Specifications are subject to change without notice.
VgR REC OUT; 150 mV/1.5 kQ Mass and dimensions are approximate.
EngYGgROdL9GIC section SURROUND Manufactured under license from Dolby Laboratories.
CENTER mod: e. NORMAL Dolby", "Pro logic' and the double-D symbol are trademarks of Dolby
DELAY TIME' ' 20 ms (Fixed) Laboratories. Confidential unpublished work. © 1992-1997 Dolby
' Laboratories. All rights reserved.
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 prolessional 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®

© 2000 Matsushita Electric Industrial Co., Ltd. All
rights reserved. Unauthorized copying and
distribution is a violation of law.

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CONTENTS

Page
1 Note- ------- 2
2 Location of Controls --------------------------------------------------------------- 2

3 Operation Checks and Component Replacement Proceduress
3.1. Checking for the FL P.C.B. --------------------------------------------- 3
3.2. Checking for the main P.C.B. 3
4 To Supply Power Source 4-
5 Schematic Diagram Notes "5
6 Schematic Diagram ----------------------------------------------------------------- 6

1 Note

Page

7 Printed Circuit Board Diagram ---------------------------------------------- 17
8 Type Illustration of I03, Transistors and Diodes
9 Wiring Connection Diagram -------------------------------
10 Block Diagram ---------------------------------------------------------------------- 22
11 Terminal Function of le -----------------------------------------
11.1. ICBO1 (CZBAGFOOOOOG):System Control/FL Drive

12 Replacement Parts List ------------------------------------------------
13 Cabinet Parts Location --------------------------------------------------------- 32

Refer to the service manual for Model No. SA-DV17O (Order No. AD000511202) for information on Accessories and

Packaging.

2 Location of Controls

Display mode button (DISPLAY MODE)

Dlsplay

® 30 Al E0, M.E0 BAND button
(3D AI EOIM.Eo BAND)

69 J09 control and joystick (MULTI .106)

® DOLBY PRO LOGIC button and indicator
(DIJPROLOGIC.OFFION)

® Super surround button and indicator
(SUPER SURROUND)

® Center focus button and Indicator (CENTER FOCUS)

® Virtual roar surround button and indicator
(VIRTUAL REAR SURROUND)

69 Multi rear surround button and indicator
(MUL11 REAR SURROUND)

(5) 30 enhanced surround button and indicator
(3DENHANCEDSURROUND)

@ Seat position button and indicator
(SEAT POSITION)