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Panasonic SA-PMX70EG User Manual

Panasonic SA-PMX70EG
65 pages
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© Panasonic Corporation 2015. All rights reserved.
Unauthorized copying and distribution is a violation of
law.
PSG1502005CE
CD Stereo System
Model No. SA-PMX70EG
Product Color: (S)...Silver Type
(K)... Black Type
TABLE OF CONTENTS
PAGE PAGE
1 Safety Precautions----------------------------------------------- 3
1.1. General Guidelines---------------------------------------- 3
1.2. Before Repair and Adjustment ------------------------- 4
1.3. Protection Circuitry---------------------------------------- 4
1.4. Caution For Fuse Replacement------------------------ 4
1.5. Safety Part Information----------------------------------- 4
2 Warning-------------------------------------------------------------- 5
2.1. Prevention of Electrostatic Discharge (ESD)
to Electrostatically Sensitive (ES) Devices---------- 5
2.2. Precaution of Laser Diode------------------------------- 6
2.3. Service caution based on Legal restrictions --------7
2.4. Handling Precaution for Traverse Unit----------------8
3 Service Navigation --------------------------------------------- 10
3.1. Service Information-------------------------------------- 10
4 Specifications---------------------------------------------------- 11
5 Location of Controls and Components------------------ 12
5.1. Main Unit & Remote Control Key Button
Operations ------------------------------------------------- 12
6 Service Mode----------------------------------------------------- 13
6.1. Service Mode Table ------------------------------------- 13
Notes: Please refer to the Original Service Manual for :
O CD Mechanism Unit (BRS12C), Order No. PSG1303059AE
O Speaker system SB-PMX70EG-K, Order No. PSG1502006CE

Table of Contents

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Panasonic SA-PMX70EG Specifications

General IconGeneral
TypeMicro Hi-Fi System
Output Power120 W
Speaker Configuration2.0
USBYes
BluetoothYes
Radio TunerYes
FMYes
DAB+Yes
Weight3.4 kg
Number of Discs1
Playable formatsCD, CD-R/RW, MP3
Internet RadioNo
EthernetNo
Wi-FiNo
Headphone JackYes
Frequency Response40 Hz - 20 kHz
Speaker Type2-way
ConnectivityUSB, Bluetooth
InputsUSB, AUX
Power Output60W per channel (6 Ohms, 1kHz, 10% THD)

Summary

Safety Precautions

General Guidelines

General safety procedures, including leakage current checks and repair guidelines.

Warning

Electrostatic Discharge (ESD) Precautions

Guidelines to prevent damage to sensitive electronic components from static electricity.

Laser Diode Safety

Safety precautions when handling the laser diode component.

Legal and Environmental Cautions

Guidelines for service work considering legal restrictions and lead-free solder.

Traverse Unit Handling

Precautions for handling the traverse unit and optical pickup.

Service Navigation

Service Information

Technical information for understanding and servicing the unit.

Firmware Update

Information and procedure for updating the unit's firmware.

Specifications

Location of Controls and Components

Main Unit & Remote Control Operations

Details on buttons and their functions on the main unit and remote.

Service Mode

Service Mode Table

Table of service modes, descriptions, and key operations.

Service Mode Error Codes

Tables listing error codes for CD mechanism, power amp, and Bluetooth.

Doctor Mode

Detailed procedures for various doctor mode tests and operations.

Sales Demonstration Lock

Procedures to enter and cancel the sales demonstration lock function.

Troubleshooting Guide

No Power

Troubleshooting steps for when the unit does not power on.

No Sound

Troubleshooting steps for when there is no sound from the speakers.

Possible Causes by Function

List of potential failure causes categorized by unit function.

Disassembly and Assembly Instructions

Overview and Safety

General notes, safety precautions, and an index for disassembly procedures.

Disassembly Procedures

Flow charts, screw types, and location diagrams for disassembly.

Component Removal

Step-by-step guides for removing major components like cabinets and PCBs.

Traverse Unit Replacement

Detailed procedure for replacing the traverse unit, including disassembly and assembly.

Service Position

Checking of Panel P.C.B.

Procedure to check the Panel PCB.

Checking of SMPS P.C.B.

Procedure to check the SMPS PCB.

Checking of Main and CD Interface P.C.B.

Procedures to check the Main and CD Interface PCBs.

Block Diagram

Servo & System Control Block Diagram

Diagram illustrating the servo and system control signal flow.

Audio Block Diagram

Diagram illustrating the audio signal flow and processing.

Power Supply Block Diagrams

Diagrams showing the power supply circuitry (1/2 and 2/2).

Wiring Connection Diagram

Schematic Diagram

Schematic Diagram Notes

Notes and symbols used in the schematic diagrams.

CD Interface, Tuner & USB Circuit

Schematic for the CD interface, tuner, and USB circuits.

Panel Circuit

Schematic diagram of the panel control circuit.

IR Sensor & Headphone Circuit

Schematic diagram for the IR sensor and headphone circuits.

SMPS Circuit Diagrams

Schematics for the Switch Mode Power Supply (SMPS) circuit (1/2 and 2/2).

Printed Circuit Board

CD Interface, Tuner & USB PCBs

Layouts of the CD interface, tuner, and USB printed circuit boards.

Panel, IR Sensor & Headphone PCBs

Layouts of the panel, IR sensor, and headphone printed circuit boards.

SMPS PCB

Layout of the Switch Mode Power Supply (SMPS) printed circuit board.

Voltage Measurement

Main (Supply) PCB Voltage Checks

Table of standard voltage values for the main PCB.

SMPS PCB Voltage Checks

Table of standard voltage values for the SMPS PCB.

Exploded View and Replacement Parts List

Cabinet Parts Location

Diagram showing the location of cabinet parts and their reference numbers.

Packaging

Diagram illustrating the unit's packaging and included accessories.

Mechanical Replacement Parts

List of mechanical parts with part numbers and descriptions.

Electrical Replacement Parts

List of electrical components with part numbers and descriptions.

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