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Technics SL-PS900 Service Manual

Technics SL-PS900
44 pages
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MCamMPACT
“ra
feaear
it
|
Ve
at
SL-PS700
MECHANISM
SERIES
(RAE0201)
SPECIFICATIONS
@
Audo
|
No.
of
channels
2
(left
and
right,
stereo)
Frequency
response
2-20,000
Hz,
+0.3
dB
Output
voltage
2.3
V
(at
0
dB)
Oynamic
range
99
dB
S/N
ratio
118
dB
Total
harmonic
distortion
0.0022%
(1
KHz,
0
dB)
Channel
separation
112dB
Wow
and
flutter
Below
measurable
limit
DA
converter
MASH
«
1
bit
Output
impedance
Approx.
1
kQ
More
than 10
kQ
15
mW
max.
32Q
(adjustable)
Load
impedance
Headphone
output
level
Technics
M
AA
noise
SH
ORDER
NO.
AD9105113C8
Service
Manual
Compact
Disc
Player
SL-PS900
Color
(K)...Black
Type
|e
|
Continental!
Europe.
(EB)
Great
Britain.
Area
Asia,
Latin
America,
(EG)
F.R.
Germany
&
Italy.
(GC)
Middle
Near
East
and
Africa.
(PX)
Far
East
PX.
@
Pickup
Wavelength
780
nm
H
General
Power
consumption
18W
Power
supply
For
(E,
EB,
EG,
GN)
areas:
For
(GC,
PX)
areas:
AC
50/60
Hz,
110
V/127 V/220
V/240
V
Dimensions
(WxHxD)
430
130x333
mm
Weight
6.2kg
AC
50/60
Hz,
230
V-240
V
Note:
Specifications
are
subject
to
change
without
notice.
Weight
and
dimensions
are
approximate.
¢
Technics
(or
Panasonic)
developed
the
world’s
first
MASH
type
DAC
and
ADC.
MASH
technology
was
invented
by
NTT
(LSI
Labs).
©
MASH
is
a
trademark
of
NTT.
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Technics SL-PS900 Specifications

General IconGeneral
BrandTechnics
ModelSL-PS900
CategoryCD Player
LanguageEnglish

Summary

Specifications

Audio and Pickup Performance

Details audio performance metrics and pickup wavelength.

General Unit Characteristics

Covers power consumption, power supply, dimensions, and weight.

Regional Information

Color Options by Area

Maps country codes to specific color designations for the unit.

Initial Setup and Handling

Pre-Use and Transport Guidelines

Instructions for initial setup, voltage adjustment, and safe transportation.

Included Accessories

Lists all accessories provided with the CD player, such as cables and batteries.

Laser Diode Safety Precautions

Laser Safety Warnings and Labels

Details crucial safety warnings regarding laser diode exposure and caution labels.

Installation and Connections

Optimal Placement and Connectivity

Guidance on unit placement and connecting external audio equipment.

Controls and Indicators Overview

Front Panel Control Functions

Identifies and describes the functions of front panel buttons and indicators.

Display Indicator Descriptions

Explanation of Unit Indicators

Details the meaning of various indicators shown on the player's display.

Remote Control Operation

Remote Transmitter Button Functions

Describes the functions of all buttons on the remote control.

Handling Precautions

Optical Pickup and Traverse Mechanism

Guidance for handling the optical pickup and applying traverse oil.

Disassembly Instructions - Part 1

Cabinet, Panel, and PCB Removal

Steps for removing external parts and initial circuit boards.

Disassembly Instructions - Part 2

Core Component Removal

Procedures for removing main PCBs, power supply, and loading mechanisms.

Disassembly Instructions - Part 3

Drive Mechanism Components

Steps for disassembling drive mechanism parts like the yoke and tray.

Disassembly Instructions - Part 4

Motor and Switchboard Removal

Instructions for removing the motor assembly and associated switch PCBs.

Disassembly Instructions - Part 5

Optical Pickup and PCB Checks

Procedures for optical pickup removal and checking main/servo PCBs.

Measurements and Adjustments

Preparation and Adjustment Procedures

Outlines preparation, adjustment points, and procedures for turntable and mechanical adjustments.

IC Terminal Functions - Servo Amplifier

IC101 Servo Amp Pin Details

Lists pin functions for the AN8800SCE2 servo amplifier IC.

Fine Tuning and Playback Verification

Best Eye Adjustment and Playback Checks

Details best eye adjustment and verification of playback operations.

IC Terminal Functions - Signal Processor

IC301 Digital Signal Processor Pins

Lists pin functions for the MN6626 digital signal processor IC.

IC Terminal Functions - Servo Processor

IC102 Digital Servo Processor Pins

Lists pin functions for the MN6650 digital servo processor IC.

IC Terminal Functions - Control and Memory

IC601 System Control & FL Drive

Details pin functions for the MND1616PKP system control IC.

IC603 E² PROM Pin Functions

Lists pin functions for the X24LC01P E² PROM IC.

IC Terminal Functions - System Control

IC401 System Control IC Pins

Details pin functions for the MN1554PKK6 system control IC.

IC Terminal Functions - Audio Processing

IC801 Digital Filter & D/A Converter

Lists pin functions for the MN6474 digital filter and D/A converter IC.

IC103 Traverse Motor Drive

Details pin functions for the AN8377N traverse motor drive IC.

Digital Servo System Operation

Servo System Comparison and Adjustment Flow

Compares servo systems and outlines the automatic adjustment sequence.

Troubleshooting Guide

CD Playback Fault Diagnosis

Step-by-step guide for diagnosing and resolving CD playback issues.

FL Display Internal Connections

FL Display Wiring Diagrams

Illustrates internal connections and wiring for the FL display unit.

System Block Diagram

Overall System Architecture

Visual representation of the player's internal system architecture and component interactions.

Component Terminal Reference

IC, Transistor, and Diode Pinouts

Provides a reference guide for the terminal functions of various electronic components.

Schematic Diagrams - Servo Circuit

Optical Pickup and Servo Circuit Details

Detailed schematic of the optical pickup and servo amplifier circuitry.

Printed Circuit Board Layouts

PCB Layout Diagrams

Visual layouts for the servo, FL drive, and main printed circuit boards.

Wiring Connection Diagram

Interconnection of System Components

Illustrates how various PCBs and components are wired together.

Exploded Views - Cabinet and Chassis

Cabinet and Chassis Part Identification

Diagrams showing the exploded view of the player's cabinet and chassis components.

Exploded Views - Traverse Deck

Traverse Deck Component Identification

Detailed exploded view of the traverse deck mechanism parts.

Packing and Accessories

Packing Material and Accessories List

Lists materials for packing and all included accessories.

Replacement Parts List - ICs and Semiconductors

ICs, Transistors, and Diodes

Lists part numbers for integrated circuits, transistors, and diodes.

Replacement Parts List - Switches and Connectors

Switches, Coils, Connectors, and Jumpers

Lists part numbers for switches, coils, connectors, and jumpers.

Replacement Parts List - Passive Components

Resistors and Capacitors

Details part numbers and values for resistors and capacitors.

Replacement Parts List - Capacitors and Miscellaneous

Capacitors and Other Components

Lists capacitor values and remarks, plus other small components.

Service Manual Supplement

Updated Parts for FL Drive and Main PCB

Details changes in part numbers for the FL drive and main PCB.

Schematic Diagram Updates - FL Drive

Revised FL Drive Circuit Schematic

Shows updated schematic for the FL drive circuit, including additions.

Schematic Diagram Updates - Main Circuit

Revised Main Circuit Schematic

Illustrates updated schematic for the main circuit, including additions.

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