Technics SADX 950 Service Manual

Page 2

SA-DX950

DIN 1 kHz (T.H.D. 1%)
Front

Center

Surround

Power bandwidth

both channels driven, -3 dB
Damping factor

Load impedance

From

A or B

A and B

Center

Surround

Frequency response
PHONO

CD, TAPE/MD. DVD. TV. VCR (for
Europe)

Input sensitivity and impedance
PHONO

CD, TAPE/MD, DVD, TV, VCR (for
Europe)

S/N at rated power (6 n)

PHONO

CD, TAPE/MD, DVD, TV, VCR (for
Europe)

DVD 60H

Output voltage

2x100W(6n)
100W(erz)
2x100W(eo)

1o Hz-70 kHz (6 n, 0.9%)
so (6 0)

4-160
8-160
6-160
6-169

RIAA standard curve (30 Hz -
15 kHz) $0.8 dB

10 Hz-40 kHz. :3 dB

3 mV/47 kn
200 mV/22 kn

70 dB (IHF, A: 30 dB)
75 dB (IHF, A: 35 dB)

100 dB (IHF A, Rated Power,
S=2 V), 75 dB (IHF, A: 85dB)

TAPE/MD REC (OUT), VCR OUT (for
Europe)

Tone controls

BASS

TREBLE

Channel balance (250 Hz-6.3 kHz)
Channel separation

Headphones output level and impedance
Subwoofer frequency response (-6 dB)
Digital input

Optical

Coaxicial

I! General

Power supply

For Continental Europe

For United Kingdom

Power consumption

Dimensions (W x H x D)

Mass

Power consumption in standby mode:
Notes:

200 mV

50 HZ, +10 to -10 dB
20 kHz, +10 to -10 dB
:1 dB

55 dB

430 mV/330 9

7-200 HZ

AC 230 v, 50 Hz

AC 230-240 v. 50 Hz
230 w

430 x 153 x 375 mm
9.8 kg

2 w

1. Specifications are subiect to change without notice.

Mass and dimensions are approximate.

2. Total harmonic distortion is measured by the digital spectrum

analyzer.

" Manufactured under license from Dolby Laboratories. Dolby, Pro

Logic and the double-D symbol are trademarks of Dolby Laboratories.
"' Manufactured under license from Digital Theater System. DTS and

DTS Digital Surround are trademarks of Digital Theater System.

& 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 sen/ice
or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.

CONTENTS

Page Page

1 Before Repair and Adiustment ----------------------------------------------- 3 7 Type Illustrations ones, Transistors & Diodes -------------------- 12
2 Protection Circuitry ----------------------------------------------------------------- 3 8 Terminal Functions of I05 ---------------------------------------------------- 13
3 Accessories ------ 9 Block Diagram 14
4 Caution for AC Mains Lead 10 Schematic Diagram 20
5 Front Panel Controls ----- 11 Printed Circuit Board 33
6 Disassembly and Main Component Replacement Procedures 12 Wiring Connection Diagram -------------------------------------------------- 4o
------------------------------------------------------------------------------------------------ 7 13 Parts Location and Replacement Parts List 42

Page 6

SA-DXQSD

5.2.

Remote Control

Buttons O. C and 0 function In the same way as me controls on the main unit.

® [0]

for naming the equipment on and on

..N...........N....l..........n......N.M.m,m,3m
CD [1, 2,3. 4, 5, s,7.a.9,o1

(at lacking numbers............m..W,,.
© {109 MENU, MENU. DISPLAY, RETURN. ENTER, A, V, 4. >]

for gurgling a DVD player ............. W.
(9 W, »M, I, b}

forcommflinc disc and tape piay .......... m,
@ (DELAY, LEVEL, -. +1

for adjusting speaker delay fime and output level
(E {SUSWGOFER}

for animating subwooftr output Mic! ...........................
. {SOUND MODE]

forum the USP sound mode"
(3) {mm
for looting tho television's inpul modo
. [m VOLUME #1

to: lusting the vokumW~flmu
([9 (W, VCR DVD, MD (except Australia and New mm),

TUNER/BANE TAPE, CD]

for selecting input mm: and munching the remote comm

MW".,..

die {DIRECT mama/Disc;
(or saluting radio stations by frequency and am: number

® (21014-4

for entering two «git numbers

-mowflnmfiflfii,
03 (TEST!

for surfing the speaker was! signal w CV9
O [53:01

for selecting SFC mode m... m...
{3 {mum}

for mm lhe wlmeuwuuw
® 1- TV VOL Q]
for adiuatlno [m televisms volume ,...

Page 11

6.2.2. Installation of the bottom cover after replacement
Step 1

* Ups-eththe bottom Hoover
*

Bottom
cover

a:
wave-m mummmm mm...

Bugs

Step 1 Upset the bottom cover.
Step 2 Align the ribs of bottom cover into the bugs.
Step 3 Prepare the screws to fix the bottom cover.

11