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Panasonic SA-AKX320E Service Manual

Panasonic SA-AKX320E
66 pages
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© Panasonic Corporation 2019. All rights reserved.
Unauthorized copying and distribution is a violation
of law.
PSG1902001CE
CD Stereo System
Model No. SA-AKX320E
SA-AKX520E
Product Color: (K)...Black Type
(W)...White Type (For SA-AKX320)
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 AC Cord ------------------------------------- 5
1.5. Safety Parts Information --------------------------------- 5
2 Warning -------------------------------------------------------------- 6
2.1. Prevention of Electrostatic Discharge (ESD)
to Electrostatically Sensitive (ES) Devices---------- 6
2.2. Precaution of Laser Diode------------------------------- 6
2.3. General description about Lead Free Solder
(PbF)---------------------------------------------------------- 7
2.4. Handling Precautions for Traverse Unit-------------- 7
2.5. Grounding for electrostatic breakdown
prevention --------------------------------------------------- 8
3 Service Navigation -----------------------------------------------9
3.1. Service Information ----------------------------------------9
4 Specifications ---------------------------------------------------- 10
5 Location of Controls and Components------------------ 11
6 Service Mode ----------------------------------------------------- 12
6.1. Cold-Start -------------------------------------------------- 12
6.2. Sales Demonstration Lock Function ---------------- 12
6.3. Doctor Mode Table--------------------------------------- 13
6.4. Self-Diagnostic Mode ----------------------------------- 15
6.5. Self-Diagnostic Error Code Table -------------------- 15
7 Troubleshooting Guide --------------------------------------- 17
7.1. No Power (No LED Display + No Response) ----- 17
7.2. Bluetooth® Pairing Failure----------------------------- 19
7.3. No Key Function------------------------------------------ 20
7.4. FL Show “No Device” at USB selector Only ------ 21
Please refer to the original service manual for:
CD Mechanism Unit (BRS12C), Order No. PSG1303059AE
Speaker system SB-AKX220PN/SB-AKX440PN, Order No. PSG1601002CE

Table of Contents

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Panasonic SA-AKX320E Specifications

General IconGeneral
Speaker Type2-Way
BluetoothYes
USB PlaybackYes
FM RadioYes
CD PlayerYes
Number of Discs1
Playable File TypesMP3, WMA
Audio formats supportedMP3, WMA
USB PortYes
AUX InputYes
Remote ControlYes

Summary

Safety Precautions

General Guidelines

General safety guidelines for servicing and handling the equipment.

Before Repair and Adjustment

Precautions to take before performing repairs or adjustments.

Warning

Electrostatic Discharge (ESD) Prevention

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

Laser Diode Precautions

Safety measures when working with the laser diode.

Lead Free Solder (PbF) Handling

Guidelines for using and handling lead-free solder during repairs.

Traverse Unit Handling

Precautions for safely handling the optical pickup traverse unit.

Grounding for Static Prevention

Procedures for grounding to prevent electrostatic breakdown.

Service Navigation

Service Information

General technical information for service personnel.

Software Update

Information on potential software updates for improved functionality.

Specifications

Location of Controls and Components

Service Mode

Cold-Start

Procedure for cold-starting or initializing the unit.

Sales Demonstration Lock Function

How to lock or unlock the sales demonstration mode.

Doctor Mode Table

Table detailing various doctor modes and operations.

Self-Diagnostic Mode

Procedures for entering self-diagnostic modes.

Self-Diagnostic Error Code Table

Table of error codes and their meanings.

Troubleshooting Guide

No Power (No LED Display + No Response)

Troubleshooting steps for a unit that does not power on.

Bluetooth® Pairing Failure

Steps to resolve issues with Bluetooth pairing.

No Key Function

Troubleshooting guide for unresponsive unit keys.

FL Show "No Device" at USB selector Only

Resolving "No Device" error when using USB.

No Sound coming out from All speakers

Troubleshooting steps for no audio output from speakers.

No Sound in Tuner and Aux Mode

Diagnosing no sound issues in Tuner and Aux modes.

No Play or no sound in CD Mode

Troubleshooting steps for CD playback or sound issues.

Disassembly and Assembly Instructions

Types of Screws

Identification and usage of different screw types for disassembly.

Disassembly Flow Chart

Visual guide for the order of unit disassembly.

Main Components and P.C.B. Locations

Diagrams showing the placement of major components and circuit boards.

Disassembly of Top Cabinet

Step-by-step guide to remove the top cabinet.

Disassembly of Front Panel Unit

Procedure for removing the front panel assembly.

Disassembly of Panel P.C.B.

Steps to disassemble the panel printed circuit board.

Disassembly of USB P.C.B.

Procedure for removing the USB printed circuit board.

Disassembly of Button P.C.B.

Steps to disassemble the button printed circuit board.

Disassembly of Mic P.C.B. (For AKX520)

Procedure for removing the microphone printed circuit board.

Disassembly of Rear Panel

Steps to disassemble the rear panel.

Disassembly of Main P.C.B.

Procedure for removing the main printed circuit board.

Disassembly of SMPS Module

Steps to remove the Switched-Mode Power Supply module.

Disassembly of CD Mechanism Unit

Procedure for removing the CD mechanism unit.

Disassembly of CD Interface P.C.B.

Steps to disassemble the CD interface printed circuit board.

Service Position

Checking of Panel P.C.B. and Main P.C.В.

Procedure for checking panel and main circuit boards.

Checking of SMPS Module

Procedure for checking the SMPS module.

Block Diagram

System Control

Block diagram illustrating the system control signals and components.

Audio

Block diagram showing the audio signal paths.

Power Supply

Block diagram of the unit's power supply system.

Wiring Connection Diagram

Schematic Diagram

Schematic Diagram Notes

Notes and symbols used in the schematic diagrams.

Main (Bluetooth) and Main (CD FE) Circuit

Schematic of Bluetooth and CD Front-End circuits.

Main (DSP), Main (Tuner) and Main (DAMP) Circuit

Schematics for DSP, Tuner, and Amplifier circuits.

Main (Regulator) Circuit

Schematic of the main voltage regulator circuits.

Main (USB) Circuit

Schematic of the main USB interface circuit.

Main (MICON) Circuit

Schematic of the main microcontroller (MICON) circuit.

Panel (FL) Circuit

Schematic of the Front Panel (FL Display) circuit.

Panel (Jog LED) Circuit

Schematic of the panel jog dial and LED circuit.

USB, Button, Mic and CD Interface Circuit

Schematics for USB, Button, Mic, and CD Interface circuits.

Printed Circuit Board

Main P.C.B. (Side A)

Layout of the main printed circuit board, side A.

Main P.C.B. (Side B)

Layout of the main printed circuit board, side B.

Panel P.C.B.

Layout of the panel printed circuit board.

USB, Button, Mic (For AKX520) and CD Interface P.C.B.

Layouts for USB, Button, Mic, and CD Interface PCBs.

Voltage and Waveform Measurement

Voltage Measurement

Guidelines and values for voltage measurements on PCBs.

Exploded View and Replacement Parts List

Electrical Replacement Parts List

List of electrical components with part numbers and descriptions.

Mechanical Replacement Part List

List of mechanical parts with part numbers and descriptions.

Cabinet Parts Location 1

Exploded view of cabinet parts, location 1.

Cabinet Parts Location 2

Exploded view of cabinet parts, location 2.

CD Mechanism Unit

Exploded view of the CD mechanism unit.

Packaging (For SC-AKX320E)

Packaging details for the SC-AKX320E model.

Packaging (For SC-AKX520E)

Packaging details for the SC-AKX520E model.

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