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Panasonic SA-AK28 Service Manual

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Operating instructions manual (32 pages)

Table Of Contents

Table of Contents

Specifications
Contents
Before Repair and Adjustment
Protection Circuitry
Accessories
Handling Precautions for Traverse Deck
Grounding for Electrostatic Breakdown Prevention
Caution When Replacing the Traverse Deck
Precaution of Laser Diode
Use of Caution Labels
Caution for AC Mains Lead
Before Use
How to Replace the Fuse
Operation Procedures
Front Panel Controls
Main Unit
Cneter Console
Remote Control
Operation Checks and Main Component Replacement Procedures
Gear for Servicing (Jig) Information
Attention Servicer
Checking Procedure for each Major PCB
Checking of the Main, Panel, Deck and Power PCB
Checking for Main PCB, Panel PCB and Deck PCB
Main Component Replacement Procedures
Replacement of the Traverse Deck
Checking for Power PCB
Replacement of the Power Amplifier IC
Installation of the CD Servo PCB after Replacement
Disassembly and Assembly of the Traverse Unit
Replacement of Traverse Unit
Disassembly and Assembly of the Disc Tray
Self-Diagnostic Display
How to Enter the Self-Diagnostic Function
Cassette Mechanism Test (for Error Code H01, H02, H03, F01, F02)
CD Mechanism Test (F15, F26, F16, F17, F27, F28, F29, H15)
Description of Error Code
Error Detection for Cassette Mechanism Block
Error Detection for CD/Changer Block
Power Supply Related Error Detection
CD Test Mode Function
Measurements and Adjustments
Cassette Deck Section
Head Azimuth Adjustment (Deck 1/2)
Tuner Section
Tape Speed Adjustment (Deck 1/2)
Bias and Erase Voltage Check
Bias Frequency Adjustment (Deck 1/2)
Alignment Points
AM-RF Alignment
Illustration of IC's, Transistor and Diodes
Terminal Function of IC's
IC701 (AN8839NSBE2) Servo Amplifier
IC702 (MN662790RSC) Servo Processor/Digital Signal Processor/Digital Filter/ D/A Converter
IC703 (AN8739SBE2) Focus Coil/ Tracking Coil/ Traverse Motor/ Spindle Motor Driver
IC600 (M38199MF227) System Microprocessor
Block Diagram
Schematic Diagram
CD Servo Circuit
Tuner Circuit
Main Circuit
Tact Switch Circuit
Panel Circuit
Power Circuit
Deck Circuit
Mechganism (Deck 2) Circuit
AC Transformer Circuit
Sub-Transformer Circuit
Motor Circuit
CD Detact Circuit
Printed Circuit Board
CD Servo PCB (REPX0192A)
Tuner PCB (REPX0215A)
Main PCB (REPX0200F)
Panel PCB (REPX0197H)
Mechanism (Deck 1) PCB (REPX0108A)
Mechanism (Deck 2) PCB (REPX0108)
Motor PCB (REP2578A-N)
Spindle Position PCB (REP2578A-N)
Deck PCB (REPX0198A)
Power PCB (REPX0201B)
AC Transformer PCB (REPX0203D...EB)
AC Transformer PCB (REPX0203C...E/EG)
Sub-Transformer PCB (REPX0203C...E/EG)
Tact Switch (1/2) PCB (REPX0197H)
Wiring Connection Diagram
Troubleshooting Guide
Parts Location and Replacement Parts List
Deck Mechanism (RAA3410-S)
Deck Mechanism Parts Location
Deck Mechanism Parts List
CD Loading Mechanism (RD-DAC026-S)
CD Loading Mechanism Parts Location
CD Loading Mechanism Parts List
Cabinet Parts Location
Cabinet Parts List
Electrical Parts List
Packaging

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Panasonic SA-AK28 Service Manual

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