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Technics sl-pd887 Service Manual

Technics sl-pd887
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ORDER
NO.
AD9801005S0
A6
Service
Manual
Compact
Disc
Changer
oL-PD349
oL-PD665
SL-PD687
oL-PD88/
Colour
(K)
...
Black
Type
Compact
Disc
Changer
Areas
Peete:
U.S.A
PP
..............U.S.A.
and
Canada.
B
ehettetiotn
ats
Europe.
EB
siecnaleds
Great
Britain.
a
Purpose
=
C
pene
eee
ee
Germany
and
Italy.
3
er
é
©
@
pee
ner
Asia,
Latin
America,
Please
be
informed
of
that
the
“Traverse
Deck
(Ass’y)”
and
“CD
Servo
Middle
Near
East
P.C.B.”
of
the
CD
unit
have
been
changed
on
production.
and
Africa.
COIN
yk
tron
Oceania.
i
Applicable
Serial
Number
Suffix
Model
No.
SL-PD349
Serial
No.
Suffix
{rom
K”
onward
CD
servo
P.C.B.
“CU7...”
is
shown
in
this
place
of
CD
servo
P.C.B.
li
Interchangeability
The
“NEW”
Traverse
Deck
(Ass’y)
(RAE0152Z)
and
the
“FORMER”
Traverse
Deck
(Ass’y)
are
interchangeable.
Even
if
the
CD
unit
has
the
former
servo
P.C.B.,
only
the
traverse
deck
is
changeable
to
the
new
one.
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
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
injury
or
death.
Technics
©
1998
Matsushita
Electric
Industrial
Co.,
Ltd.
All
rights
reserved.
Unauthorized
copying
and
distribution
ts
a
violation
of
law.

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Technics sl-pd887 Specifications

General IconGeneral
TypeCD Player
Frequency Response2 Hz - 20 kHz
Signal-to-Noise Ratio110 dB
Dimensions430 x 100 x 350 mm
Weight4.5 kg
Digital OutputCoaxial and Optical
Dynamic Range100 dB
Channels2
Output Voltage2 V
Digital-to-Analog Converter1-bit DAC
Disc Capacity5 Discs

Summary

Purpose and Identification

Purpose of Production Change

Informs about changes in the Traverse Deck (Ass'y) and CD Servo P.C.B.

Applicable Serial Number Suffix

Details serial number suffixes applicable to different models.

CD Unit Identification

Explains how to distinguish CD units based on internal components.

Interchangeability of Components

Discusses compatibility between new and former traverse decks and servo PCBs.

Schematic Diagrams and Circuit Boards

New CD Unit Schematic Diagram

Provides the overall schematic for the new CD unit.

Optical Pickup Circuit

Detailed schematic of the optical pickup circuit.

CD Servo Circuit

Detailed schematic of the CD servo circuit.

Servo PCB Overview

Layout and connections for the Servo P.C.B.

Printed Circuit Board (New) - Servo PCB

Diagram showing the layout of the new Servo P.C.B.

New Schematic Diagram

Schematic diagram for the new CD unit components.

Printed Circuit Boards Layout

Diagrams for Main P.C.B. and Power Switch P.C.B.

Component PCB Diagrams

Layouts for Servo, Tray Motor, Sensor, Photo Transistor, Operation, Loading Motor PCBs.

Wiring Connection Diagram

Illustrates connections between various PCBs and components.

Parts Lists and Identification

CD Unit Parts Location

Diagram showing the physical location of CD unit parts.

Replacement Parts List (New CD Unit)

List of replacement parts for the new CD unit.

New CD Replacement Parts List

Catalog of replacement parts specifically for new CD units.

New Resistors & Capacitors

List of new resistors and capacitors used in the unit.

Laser Diode Precautions

Safety precautions related to the laser diode in the product.

Replacement Parts Listing

Comprehensive list of replacement parts with part numbers and descriptions.

Loading Mechanism Parts List

Detailed parts list for the loading mechanism assembly.

Cabinet Parts Location

Diagram showing the location of parts within the unit's cabinet.

General Replacement Parts List

List of replacement parts including chassis, mechanism, and accessories.

Resistors and Capacitors List

List of resistors and capacitors with their values and remarks.

Operation, Maintenance, and Troubleshooting

Accessories Included

List of accessories provided with the unit.

Connection Guide

Instructions for connecting the unit to an audio system.

Foot Replacement

Procedure for replacing the unit's feet.

AC Mains Lead Caution

Safety precautions regarding the AC power cord and plug.

Front Panel Controls Overview

Identification and function of front panel buttons and indicators.

Unit Moving Precautions

Guidelines for safely moving the unit to prevent damage.

Basic Operations Guide

Instructions for basic functions like sequential play and track selection.

Self-Diagnostic Display Function

How to use the self-diagnostic function to identify faults.

Traverse Deck Handling Precautions

Precautions for handling the traverse deck, especially regarding static electricity.

Disassembly Instructions

Step-by-step guide for disassembling the unit.

Checking Main and Servo PCBs

Procedures for checking the main and servo printed circuit boards.

Operating Unit Without Front Panel

Instructions for operating the unit without the front panel assembly.

Automatic Adjustment Procedures

Details on automatic adjustment sequences and error code interpretation.

Troubleshooting Guide

Flowcharts and steps for diagnosing and resolving playback issues.

Measurements and Adjustments

Procedures for performing measurements and adjustments on the unit.

Terminal Guide for ICs

Reference guide for terminals of key integrated circuits.

Block Diagrams

Block diagrams illustrating the signal flow of various circuits.

Packaging Instructions

Guide for packaging the unit, including parts and placement.

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