Sony sdp 905 service manual

Page 1

SDP-D905

SERVICE MANUAL

AEP Model
UK Model

This set is a Digital Surround
Processor block of the Following models.
LBT- DQOSCD

E Model

SPECIFICATIONS

Frequency response
Total Harmonic Distortion

Signal-to-noise ratio

General
Power requirement

Power consumption

AC outlet
Dimensions

Weight
Supplied accessaries

2 Hz to 20 kHz :05 dB
(with digital input)

Less than 0.008%

(with digital input)

More than 110 dB

(with digital input)

240V AC, 50/60 Hz (UK model)
110V-120V/220-240V AC (E. Saudi Arabia models)
220-230V AC. 50/60 Hz (AEP, Germany, Italian models)
18W (AEP. Germany, Italian, UK models)

19W (E, Saudi Arabia models)

1 unswitched. 100W

Approx. 355 X 107 X 315.5 mm

(w/h/d, including projections)

Approx 3.6 kg

Audio connecting cords (2)

Optical cord (1)

Design and specifications subject to change without notice

BHUTAL

SURROUND PRUCESSUR

SONYR)

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I
SDP- D905

TABLE OF CONTENTS

Using the Sound Manipulation

Section Title Page F
eatures
SPECIFICATIONS ................................... 1
This unit is equipped with three sound adjustment functions
1. GENERAL ........................................ 3

- an equalizer function, a surround function and a dynamic
sound function - for improving the sound in your listening

2. ADJUSTMENT ................................... 14 environment.

20 combinations of these three functions are already preset
in the units memory (SELECT 10 and MORE 10) and this

3' DIAGRAMS enables you to select your favorite sound field easily,
8- 1. Circuit Boards Location ~~~~~~~~~~~~~~~~~~~~~~ 14 The equalizer function. called Digital Parametric Equalizer.
3_ 2. 1C Discription ,,,,, _ 15 can be used to raise and lower the levels of specific
, frequency ranges.
3'3 Bka Diagram 17 The surround function, called Digital Presence Surround, can
3-4. IC Brock Diagrams ~ ~ ~ . 19 be matched to the music genre or source to effectively
3-5. Printed Wiring Boards - Main Section - ~ ~ .. 20 reproduce a feeling 0 "b?9 there, 4 . .
3 4 , . The dynamic sound function, called Digital Dynamic Sound,
"6' SChemam Diagram _ Mam Section _ ' 23 can be used to give a powerful feeling to music when
3-7. Semiconductor Lead Layouts ----------- - 27 listening at low volume levels and also reduce strident noises
3M8, Schematic Diagram _ panel Section - ....... 28 Making full use of these three functions allows you to create
849. Printed Wiring Boards _ Panel Section _ 31 a variety of different sounds and efiets and to maxrmize your
mustc listening enjoyment.
4. EXPLODED VIEWS
Overall Section .................................... 34
5. ELECTRICAL mus ST ....................... 36 Using the Sound Manipulatidn

Features

Obtaining Digital Surround Processor Effects

MODEL IDENTIFICATION

- Specification Label - Press EFFECT so that the indicator is turned on.
Digital surround processor effects can not be obtained if the
indicator is not turned on.
Compare the results by switching EFFECT on and off.

S ONYQ MODEL NO, Spine 0905 With the indicator turned on. sounds with the processor
effects can also be recorded on a tape in a cassette deck,

DIGITAL SURROUND PROCESSOR

Adjusting the Effect Level .

The degree of the processor effects on a selected source
can be adjusted within the range of 0% to 100% in 20%
intervals.

SERIAL NO.
MADE IN JAPAN

AEP, Germany, Italian models 2 A0220 ~ 23OV~50/60Hz
UK model : ACZ4OV~50/60Hz Pretis EXFFIIECT LEthEL so that lE/IiFEg; Lgtjgléggindicated
on e ISD ay, an en press 0 e
5 Saudi Arabia mode 1 AC110 ' CV/220 240V CONTROL buttons to increase the effect level or 7/1 to
~50/60Hz decrease it