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Panasonic SA-AK230GCP User Manual

Panasonic SA-AK230GCP
105 pages
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n AMPLIFIER SECTION
RMS output power
THD 10%, both channels driven
1 kHz 100 W per channel (5 Ω)
Total RMS power 200 W
n FM/AM TUNER, TERMINALS SECTION
Preset station FM 15 stations
AM 15 stations
Frequency Modulation (FM)
Frequency range
87.50 - 108.00 MHz (50 kHz
steps)
Sensitivity 2.5 µV (IHF)
S/N 26 dB 2.2 µV
A
ntenna terminal(s) 75 Ω (unbalanced)
A
mplitude Modulation (AM)
Frequency range
522 - 1629 kHz (9 kHz steps)
520 - 1630 kHz (10 kHz steps)
Sensitivity
S/N 20 dB (at 999 kHz) 560 µV/m
A
udio performance (Amplifier)
Input sensitivity/Input impedance
A
ux 250 mV,14.7 kΩ
Phone jack
Terminal Stereo, 3.5 mm jack
n CASSETTE DECK SECTION
© 2004 Matsushita Electric Industrial Co. Ltd.. All
rights reserved. Unauthorized copying and
distribution is a violation of law.
SA-AK230GCP
Colour
(S)... Silver Type
Track system 4 track, 2 channel
Heads
Record/playback Solid permalloy head
Erasure Double gap ferrite head
Motor DC servo motor
Recording system AC bias 100 kHz
Erasing system AC erase 100 kHz
Tape speed 4.8 cm/s
Overall frequency response (+3 dB, -6 dB at DECK OUT)
NORMAL 35 Hz - 14 kHz
S/N 50 dB (A weighted)
Wow and flutter 0.18 % (WRMS)
Fast forward and rewind time Approx. 120 seconds with
C-60 cassette tape
n DISC SECTION
Discs played [8 cm or 12 cm]
(1) CD-Audio (CD-DA)
(2) CD-R/RW (CD-DA, MP3 formatted discs)
(3) MP3
Bit rate
MP3 32 kbps - 320 kbps
Sampling frequency
MP3 32 kHz, 44.1 kHz, 48 kHz
CD 44.1 kHz
Decoding 16 bit linear
Digital filter 8fs
CD Stereo System
Specifications
ORDER NO. MD0412597C3

Table of Contents

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Panasonic SA-AK230GCP Specifications

General IconGeneral
BrandPanasonic
ModelSA-AK230GCP
CategoryStereo System
LanguageEnglish

Summary

Specifications

Amplifier Section Specifications

Details the RMS output power and THD specifications for the amplifier.

FM/AM Tuner and Terminals Section

Covers preset station capacity and frequency ranges for FM and AM tuning.

Cassette Deck Section Specifications

Lists specifications for tape system, heads, motor, recording, and tape speed.

Disc Section Specifications

Outlines supported disc types, bit rates, sampling frequencies, and decoding.

Initial Setup and Safety Precautions

Before Use Instructions

Instructions for initial setup and voltage selection before operating the unit.

Repair and Adjustment Preparation

Guidelines for disconnecting power and discharging capacitors before servicing.

Protection Circuitry Explanation

Explains the unit's protection circuit and how to reset it if triggered.

Electro Static Discharge (ESD) Prevention

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

Handling Special Components

Handling Lead-free Solder

Information on identifying and safely working with lead-free solder used in the device.

Precautions for Sensitive Components

Traverse Deck Handling Precautions

Specific handling instructions for the traverse deck to prevent laser diode damage from static.

Electrostatic Breakdown Prevention Methods

Methods for grounding the body and workspace to prevent electrostatic discharge.

Laser Diode Safety Information

Laser Diode Precautionary Guidelines

Warnings and guidelines for safe operation and handling related to the laser diode.

Included Accessories

List of System Accessories

Lists and illustrates the accessories provided with the CD Stereo System.

Operating the System

Main Unit Controls Overview

Overview of buttons and functions on the main unit's front panel.

Remote Control Functions

Details the specific functions assigned to buttons on the remote control.

Disc Playback Information

Disc Compatibility Details

Explains compatibility with Audio CD and CD-R/RW, including MP3 format.

MP3 Playback Guidelines

Details file format requirements, naming conventions, and limitations for MP3 playback.

Disassembly and Assembly Procedures

Main Component Disassembly Flow Chart

Provides a step-by-step visual guide for disassembling the main component assembly.

Servicing Information

Gear for Servicing (Jig) Information

Instructions on preparing and using a specific gear as a service tool for manual operations.

Main Component Disassembly Steps

Disassembly of Top Cabinet

Details the procedure for removing the top cabinet of the unit.

Disassembly of CD Lid

Step-by-step instructions for removing the CD lid after the top cabinet is detached.

CD Lid and Disc Tray Access

Opening the Disc Tray Manually

Describes how to manually open the disc tray using service tools if automatic function fails.

Component Removal Procedures

Disassembly of Rear Panel

Steps for removing the rear panel of the main unit.

Disassembly of CD Mechanism Unit

Instructions for detaching the entire CD mechanism unit from the chassis.

Printed Circuit Board (PCB) Removal

Disassembly of Main P.C.B.

Steps to remove the main printed circuit board assembly.

Disassembly of Power P.C.B.

Procedure for removing the power printed circuit board.

Component Replacement and PCB Removal

Power Amplifier IC/Voltage Regulator Replacement

Steps for replacing the power amplifier IC or voltage regulator components.

Disassembly of Transformer P.C.B.

Instructions for removing the transformer printed circuit board.

Unit Disassembly Steps

Disassembly of Front Panel Unit

Procedure for removing the front panel assembly of the unit.

Disassembly of Deck Mechanism Unit

Steps to remove the cassette deck mechanism unit.

CD Mechanism Component Replacement

CD Mechanism Main Component Replacement Procedures

General procedures for replacing main components within the CD mechanism.

Replacement of the Traverse Deck

Detailed steps for replacing the traverse deck assembly within the CD mechanism.

Traverse Deck Replacement Steps

Traverse Deck Removal Details

Specific steps for lifting, removing, and detaching the traverse deck assembly.

CD Servo P.C.B. and Traverse Deck Installation

Installation of the CD Servo P.C.B.

Steps for installing the CD servo P.C.B. after component replacement.

Installation for Traverse Deck Assy

Procedures for correctly installing the traverse deck assembly.

Disc Tray and Mechanism Cover Replacement

Replacement for the Disc Tray

Detailed steps for removing and replacing the disc tray assembly.

Disc Tray Replacement Procedures

Disc Tray Removal Steps

Steps to manually remove the disc tray after accessing the mechanism.

Disc Tray Installation Steps

Procedures for reinstalling the disc tray after replacement.

Mechanism Drive Unit Disassembly/Reassembly

Mechanism Base Drive Unit Disassembly/Reassembly

Steps for disassembling and reassembling the drive unit of the mechanism.

Mechanism Component Handling

Tray Lock and Rear Lock Removal

Instructions for releasing and removing the tray lock and rear lock mechanisms.

Spindle Base Unit and Gear Removal

Spindle Base Unit Removal

Steps for lifting and removing the spindle base unit from the mechanism.

Spindle Base Unit Disassembly/Reassembly

Procedures for disassembling and reassembling the spindle base unit.

Disc Lever and Relay Gear Operations

Disc Lever Removal

Steps to rotate and draw out the disc lever during mechanism disassembly.

Relay Gear B Removal

Instructions for releasing claws and drawing out the relay gear B.

Relay Gear A and Spindle Shaft Removal

Relay Gear A Removal

Steps for releasing claws and removing the relay gear A.

Spindle Shaft Removal and Stopper Release

Procedure for removing the spindle shaft and releasing the spindle stopper.

Loading Stopper and Drive Unit Reassembly

Loading Stopper Assembly Installation

Steps to align and latch the loading stopper assembly into place.

Mechanism Base Drive Unit Reassembly

Procedures for reinstalling traverse cam gear, drive gear, and traverse relay gear.

Slide Plate and Spindle Base Unit Installation

Slide Plate Installation

Steps to install slide plates 1 and 2 into the mechanism base.

Spindle Base Unit Installation

Procedure for installing the spindle base unit, starting with slide plate 1.

Tray Lock and Gear Installation

Tray Lock and Gear Holder Installation

Steps for installing the tray lock, UP/DOWN gear, change gear, and pulley gear.

Motor Assembly Replacement

Motor Assembly Replacement Procedure

Detailed steps for removing and installing the motor assembly on the traverse ass'y.

Pinch Roller and Head Block Replacement

Pinch Roller and Head Block Replacement

Instructions for releasing claws to remove pinch rollers and head connector.

Deck Component Replacement Procedures

Deck Motor, Capstan Belts, and Winding Belt Replacement

Procedure for replacing deck motors, capstan belts, and winding belts.

Belt and Flywheel Installation

Winding Belt and Flywheel Installation

Steps for installing winding belts onto pulleys and flywheels.

Capstan Belt Installation

Procedures for installing capstan belts A and B onto the motor assembly.

Belt Installation Procedures

Capstan Belt B Installation

Steps for putting capstan belt B onto the motor assembly.

Capstan Belt A Installation

Steps for putting capstan belt A onto the motor assembly pulley.

Cassette Lid Replacement

Cassette Lid Assembly Replacement

Steps to lift the lever and push the cassette lid assembly to remove it.

Tape Jam Rectification

Rectification for Tape Jam Problem

Procedure to remove a jammed cassette tape by rotating the flywheel and opening the lid.

Checking Major Printed Circuit Boards (PCBs)

Checking of Main P.C.B.

Steps required to access and check the main printed circuit board.

Checking Transformer P.C.B.

Checking of Transformer P.C.B.

Steps for accessing and performing checks on the transformer printed circuit board.

Checking Multiple PCBs

Checking Panel, Deck & Deck Mechanism PCBs

Procedures for checking panel, deck, and deck mechanism PCBs using extension cables.

Checking Power P.C.B.

Checking of Power P.C.B.

Steps for accessing and checking the power printed circuit board, including insulation.

Self-Diagnostic Function

Self-Diagnostic Display Function

Explanation of the unit's self-diagnostic display function for error codes.

How to Enter Self-Diagnostic Function

Step-by-step guide on how to activate the self-diagnostic mode.

Cassette Mechanism Test Procedure

Procedure for testing cassette mechanism functions and interpreting error codes.

Self-Diagnostic Function Details

CD Mechanism Test Procedure

Steps for testing CD mechanism functions and identifying error codes.

Clearing All Error Codes

Instructions on how to reset and clear all recorded error codes.

Exiting Self-Diagnostic Function

Method to safely exit the self-diagnostic mode.

Description of Error Codes

Provides a detailed explanation of the error codes encountered during diagnostics.

Deck Mechanism Error Codes

Lists error codes and their descriptions related to the deck mechanism.

CD/Changer Block Error Codes

Lists error codes and their descriptions for CD/Changer block abnormalities.

Error Code Descriptions

Power Supply Related Error Detection

Details error codes related to power supply abnormalities, like F61.

Error Code CR20 Mechanism

Explains error codes for mechanism problems and provides a mechanism error code table.

CD Test Mode Functions

How to Set CD Test Mode

Instructions on how to activate the CD test mode for diagnostics.

CD Automatically Adjustment Result Indication

How to interpret the results of automatic CD adjustments shown on the FL display.

CD Mecha Aging Test Mode (CR20)

Details the CD aging test mode for reliability determination and how to enter it.

Micon ROM Checksum and Version Display

Micon ROM Checksum and Version Display Mode

How to display software version and ROM checksum for microcomputer diagnostics.

Measurements and Adjustments

Cassette Deck Measurement Condition

Pre-measurement checks for the cassette deck, like head cleanliness and temperature.

Cassette Deck Measuring Instrument

Lists the instruments required for measurements, like EVM and frequency counter.

Cassette Deck Test Tape

Specifies the type of test tape used for gain adjustment and speed tests.

Cassette Deck Tape Speed Adjustment

Procedure for adjusting tape speed for DECK 2 and verifying DECK 1 output frequency.

Cassette Deck Bias and Erase Voltage Check

Steps to check bias and erase voltage levels using a blank tape in REC mode.

Cassette Deck Bias Frequency Adjustment

Procedure for adjusting bias frequency output within standard values using a blank tape.

Tuner Section AM-IF Alignment

Steps for aligning the AM Intermediate Frequency circuit using test equipment.

Tuner Section Adjustments

AM RF Adjustment Procedure

Steps for adjusting AM Radio Frequency circuits for optimal reception.

Alignment Points for Cassette Deck Section

Identifies specific alignment points for the cassette deck section.

Alignment Points for Tuner Section

Identifies specific alignment points for the tuner section.

Block Diagrams

Optical Pickup Block Diagram

Block diagram showing the optical pickup and semiconductor laser components.

IC7003 AN8739SBTE2 Block Diagram

Block diagram illustrating the functions of the IC7003 for drive control.

Integrated Circuit Block Diagrams

IC7002 MN6627953HB Block Diagram

Block diagram detailing the functions of the IC7002 servo processor and digital signal processor.

Tuner Circuit Schematics

Main (Tuner) Circuit IC2601 Schematic

Schematic details for the FM/AM IF amplifier, detector, and multiplex decoder (IC2601).

Main (Tuner) Circuit IC2602 Schematic

Schematic details for the PLL frequency synthesizer (IC2602).

Microprocessor and Control Circuits Schematics

IC2801 Microprocessor Schematic

Schematic of the microprocessor and its connections to various peripherals and displays.

FL Driver and Remote Sensor Schematic

Schematic of the FL display driver and remote sensor interface.

Cassette Deck and CD Circuitry Schematics

IC1001 AMP Schematic

Schematic for the PB EQ/REC AMP/ALC/TPS AMP circuit.

R/P Head and Erase Head Schematic

Schematic connections for the record/playback and erase heads.

Audio and Control Circuitry Schematics

IC2803 Audio Sound Processor Schematic

Schematic of the audio sound processor and its related input/output connections.

Muting and Control Switches Schematic

Schematic of muting circuits and various control switches.

Power Supply and Signal Lines

Power HIC and Voltage Regulators Schematic

Schematic of the power HIC, voltage regulators, and power switching circuits.

Signal Lines Overview

Explanation of the different types of signal lines used in the wiring diagrams.

Voltage Measurement Tables

Main P.C.B. Voltage Measurements

Table detailing voltage measurements for IC2801 and IC2802 on the main PCB.

Voltage Measurement Tables (Continued)

Main P.C.B. Voltage Measurements (Continued)

Table detailing voltage measurements for Q2936, Q5950, Q5951, Q5952, Q5953, Q5954 on PCBs.

Schematic Diagrams and Safety Notes

Note on Schematic Diagrams

Explains that diagrams may be modified and provides a switch function list.

Importance Safety Notice

Highlights safety precautions for components marked with Delta and general repair safety.

CD Servo Circuit Schematics

Optical Pickup Circuit Schematic

Schematic details of the optical pickup circuit, including laser diode and photo detector.

CD Servo Circuit Schematic IC7003

Schematic diagram of the CD servo control circuit, featuring IC7003.

CD Servo Circuit Schematics (Continued)

CD Servo Circuit Schematic IC7002

Schematic diagram of the CD servo circuit, focusing on IC7002 functions.

Tuner Circuit Schematics

Main (Tuner) Circuit IC2601 Schematic

Schematic details for the FM/AM IF amplifier, detector, and multiplex decoder (IC2601).

Main (Tuner) Circuit IC2602 Schematic

Schematic details for the PLL frequency synthesizer (IC2602).

Main Circuit Schematics

Main Circuit (Schematic Diagram - 4)

Schematic detailing the main circuit, including control switches and motor drivers.

Main Circuit Schematics (Continued)

Main Circuit (Schematic Diagram - 5)

Schematic of the main circuit, showing microprocessor interface and audio control.

Main Circuit Schematics (Continued)

Main Circuit (Schematic Diagram - 6)

Schematic of the main circuit, illustrating microprocessor connections and output interfaces.

Main Circuit Schematics (Continued)

Main Circuit (Schematic Diagram - 7)

Schematic of the main circuit, showing connections to tuner, power, and audio circuits.

Panel Circuit Schematics

Panel Circuit (Schematic Diagram - 8)

Schematic of the panel circuit, including switches, volume control, and LED drivers.

Panel Circuit Schematics (Continued)

Panel Circuit (Schematic Diagram - 9)

Schematic of the panel circuit, focusing on the FL display driver and its connections.

Transformer, CD Detect, Spindle, and Loading Circuits

Transformer Circuit (Schematic Diagram - 10)

Schematic of the transformer circuit, including AC input and voltage selection.

CD Detect Circuit Schematic

Schematic of the CD detection circuit.

Spindle Position Circuit Schematic

Schematic of the spindle position detection circuit.

CD Loading Circuit Schematic

Schematic of the CD loading mechanism control circuit.

Power Circuit Schematics

Power Circuit (Schematic Diagram - 11)

Schematic of the power supply circuit, including regulators and protection.

Deck Circuit Schematics

Deck Circuit (Schematic Diagram - 12)

Schematic of the cassette deck circuit, including head amplifiers and control ICs.

Deck Mechanism Circuit Schematics

Deck Mechanism Circuit (Schematic Diagram - 13)

Schematic of the deck mechanism circuit, showing photo interrupters and motor controls.

Printed Circuit Board Layouts

CD Servo P.C.B. Layout

Physical layout diagram of the CD Servo P.C.B. (REPX0443A).

Printed Circuit Board Layouts (Continued)

Main P.C.B. Layout

Physical layout diagram of the Main P.C.B. (REPX0442W).

Printed Circuit Board Layouts (Continued)

Main P.C.B. Layout (Continued)

Physical layout diagram of the Main P.C.B., showing component placement.

Printed Circuit Board Layouts

Panel P.C.B. Layout

Physical layout diagram of the Panel P.C.B. (REPX0441C).

Printed Circuit Board Layouts (Continued)

Panel P.C.B. Layout (Continued)

Physical layout diagram of the Panel P.C.B., showing switches and connectors.

Printed Circuit Board Layouts

Transformer P.C.B. Layout

Physical layout diagram of the Transformer P.C.B. (REPX0468D).

Printed Circuit Board Layouts

CD Detect P.C.B. Layout

Physical layout diagram of the CD Detect P.C.B. (REP2578A-N).

Spindle Position P.C.B. Layout

Physical layout diagram of the Spindle Position P.C.B. (REP2578A-N).

CD Loading P.C.B. Layout

Physical layout diagram of the CD Loading P.C.B. (REP2578A-N).

Tuner Pack P.C.B. Layout

Physical layout diagram of the Tuner Pack P.C.B. (REP1999B).

Printed Circuit Board Layouts

Power P.C.B. Layout

Physical layout diagram of the Power P.C.B. (REPX0469K).

Printed Circuit Board Layouts (Continued)

Power P.C.B. Layout (Continued)

Physical layout diagram of the Power P.C.B., showing component placement.

Printed Circuit Board Layouts

Deck P.C.B. Layout

Physical layout diagram of the Deck P.C.B. (REPX0331D).

Deck Mechanism P.C.B. Layout

Physical layout diagram of the Deck Mechanism P.C.B. (REPX0321A).

Wiring Connection Diagram

Wiring Connection Diagram Overview

Visual representation of how different PCBs and components are interconnected.

Component Illustrations

Illustration of ICs, Transistors, and Diodes

Visual identification of common ICs, transistors, and diodes used in the unit.

Integrated Circuit (IC) Terminal Functions

IC7002 Terminal Function Details

Detailed pin descriptions and functions for the IC7002 Servo Processor.

IC7003 Terminal Function Details

Detailed pin descriptions and functions for the IC7003 Drive Controller.

Integrated Circuit (IC) Terminal Functions (Continued)

IC2801 Terminal Function Details

Detailed pin descriptions and functions for the IC2801 Microprocessor.

Troubleshooting Guide

CD Mechanism Troubleshooting Flowchart

A flowchart to diagnose and resolve common issues with the CD playback mechanism.

Parts Location and Replacement Parts List

Notes on Parts List Usage

Important notes regarding safety, component markings, and language references for the parts list.

Parts Location Diagrams

Deck Mechanism Parts Location Diagram

Exploded view showing the location of various parts within the deck mechanism.

Parts Location Diagrams (Continued)

Deck Mechanism Parts Location (Continued)

Further exploded views detailing component placement in the deck mechanism.

Deck Mechanism Parts List

Cassette Deck Parts List

Comprehensive list of part numbers and descriptions for cassette deck components.

CD Loading Mechanism Parts Location

CD Loading Mechanism Parts Location Diagram

Exploded view showing the location of parts within the CD loading mechanism.

CD Loading Mechanism Parts Location (Continued)

CD Loading Mechanism Parts Location (Continued)

Further exploded views detailing component placement in the CD loading mechanism.

CD Loading Mechanism Parts List

CD Loading Mechanism Parts List

Comprehensive list of part numbers and descriptions for CD loading mechanism components.

Cabinet Parts Location

Cabinet Parts Location Diagram

Exploded views showing the location of cabinet components and chassis parts.

Cabinet Parts Location (Continued)

Cabinet Parts Location (Continued)

Further views detailing the placement of cabinet components, PCBs, and connectors.

Parts Lists

Cabinet and Chassis Parts List

List of part numbers for cabinet, chassis, and related hardware.

Printed Circuit Board Parts List

List of part numbers for all printed circuit boards.

Integrated Circuits List

List of integrated circuits with their part numbers and descriptions.

Transistors List

List of transistors with their part numbers and descriptions.

Diodes List

List of diodes with their part numbers and descriptions.

Parts Lists (Continued)

Diodes List (Continued)

Continuation of the diode list with part numbers and descriptions.

Variable Resistor List

List of variable resistors used in the unit.

Switches List

List of various switches and their part numbers.

Connectors List

List of connectors with their part numbers and descriptions.

Ceramic Filters List

List of ceramic filters used in the circuit.

Coils & Transformers List

List of coils and transformers with part numbers.

Component Combinations List

List of combined components like resistors, sensors, and oscillators.

Oscillators List

List of oscillators and their part numbers.

Parts Lists (Continued)

Fuses List

List of fuses, their part numbers, and ratings.

Fuse Holders List

List of fuse holders and their part numbers.

Holders List

List of various holders and their part numbers.

Jacks List

List of jacks and connectors with their part numbers.

Earth Terminal List

List of earth terminals and their part numbers.

Wires List

List of wires and cables with their part numbers.

Chip Resistors List

List of chip resistors, their part numbers, and values.

Parts Lists (Continued)

Chip Resistors List (Continued)

Continuation of the chip resistor list with part numbers and values.

Parts Lists (Continued)

Chip Resistors List (Continued)

Further continuation of the chip resistor list with part numbers and values.

Parts Lists (Continued)

Chip Resistors List (Continued)

Final continuation of the chip resistor list with part numbers and values.

Capacitors List

List of capacitors with their part numbers, values, and voltage ratings.

Parts Lists (Continued)

Capacitors List (Continued)

Continuation of the capacitor list with part numbers and values.

Parts Lists (Continued)

Capacitors List (Continued)

Further continuation of the capacitor list with part numbers and values.

Packing Materials & Accessories Parts List

List of packing materials and accessories provided with the unit.

Packaging Details

Packaging Diagram

Diagram illustrating how the unit and its accessories are packaged for shipping.

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