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Panasonic SA-PM38DBEB User Manual

Panasonic SA-PM38DBEB
99 pages
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© Panasonic Corporation 2009. All rights reserved.
Unauthorized copying and distribution is a violation of
law.
PSG0903005CE
CD Stereo System
Model No. SA-PM38DBEB
Product Color: (K)...Black Type
TABLE OF CONTENTS
PAGE PAGE
1 Safety Precautions----------------------------------------------- 3
1.1. General Guidelines---------------------------------------- 3
1.2. Caution for AC Cord -------------------------------------- 4
1.3. Before Repair and Adjustment ------------------------- 5
1.4. Protection Circuitry---------------------------------------- 5
1.5. Safety Part Information----------------------------------- 5
2 Warning-------------------------------------------------------------- 6
2.1. Prevention of Electro Static Discharge (ESD)
to Electrostatically Sensitive (ES) Devices---------- 6
2.2. Precaution of Laser Diode------------------------------- 7
2.3. Service caution based on Legal restrictions -------- 8
2.4. Handling Precaution for Traverse Unit --------------- 9
3 Service Navigation ----------------------------------------------11
3.1. Service Information-------------------------------------- 11
4 Specifications ---------------------------------------------------- 12
5 Location of Controls and Components------------------ 13
5.1. Main Unit Key Button Operations -------------------- 13
5.2. Remote Control Key Button Operations------------ 14
6 Operating Instructions ---------------------------------------- 15
6.1. Disc Information ------------------------------------------ 15
7 Self diagnosis and special mode setting --------------- 16
7.1. Service Mode Summary Table------------------------ 16
7.2. Service Mode Table ------------------------------------- 17
7.3. Error Code Table ----------------------------------------- 20
8 Troubleshooting Guide --------------------------------------- 21
9 Service Fixture & Tools --------------------------------------- 22
Notes: This model’s CD mechanism unit is DLS6C. Please refer to the Original Service Manual (Order No.
MD0803034CE) for this mechanism.

Table of Contents

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Panasonic SA-PM38DBEB Specifications

General IconGeneral
BrandPanasonic
ModelSA-PM38DBEB
CategoryStereo System
LanguageEnglish

Summary

Safety Precautions

General Safety Guidelines

General guidelines for servicing safety, including lead dress and protective device installation.

Leakage Current Cold Check Procedure

Procedure for checking leakage current with AC plug unplugged and a jumper connection.

Leakage Current Hot Check Procedure

Procedure for checking leakage current with AC plug connected, using a resistor and capacitor.

AC Cord Safety Precautions

Important safety notes regarding the AC cord, plug, and fuse replacement.

Pre-Repair and Adjustment Safety

Cautions before performing repairs and adjustments, avoiding short-circuits and overcurrent.

Protection Circuitry Function

Explanation of the protection circuitry and how to reset it if it operates.

Safety Part Identification

List of safety-critical parts marked with 'A' that require manufacturer-specified replacements.

Warning

ESD Precautions for Sensitive Devices

Techniques to prevent component damage from static electricity, focusing on ESD-sensitive devices.

Laser Diode Safety Precautions

Cautions regarding hazardous radiation exposure from the laser diode and safe handling procedures.

Legal Restrictions and Lead-Free Solder

Service cautions related to legal restrictions, particularly concerning lead-free solder (PbF).

Traverse Unit Handling Precautions

Special care required when handling the traverse unit and optical pickup to prevent damage.

Service Navigation

Service Information and Manual Scope

Details on the service manual's content and scope, noting information not covered.

Specifications

Controls and Components Location

Main Unit Controls and Operations

Description of button operations on the main unit, including controls and their functions.

Remote Control Operations

Explanation of buttons and their functions on the remote control unit.

Operating Instructions

Disc Playback Information

Information on compatible disc formats (CD, CD-R/RW, MP3) and playback guidelines.

Self-Diagnosis and Special Modes

Service Mode Summary

Summary table of service modes, activation methods, and applications for checking functions.

Detailed Service Mode Tables

Detailed tables for service modes, including FL display and key operation.

Self-Diagnosis Error Code Table

Table listing error codes, diagnosis contents, automatic FL display, and remarks for troubleshooting.

Troubleshooting Guide

Service Fixture and Tools

Disassembly and Assembly Instructions

Disassembly Flow Chart

Flow chart illustrating the sequence for disassembling casing and internal parts for servicing.

Main Parts Location Diagram

Diagram showing the location of major internal components and PCBs within the unit.

Top Cabinet Assembly Disassembly

Step-by-step instructions for removing the top cabinet assembly, including screw removal and catch release.

Headphone PCB Disassembly

Procedure for removing the headphone printed circuit board.

iPod PCB Disassembly

Instructions for removing the iPod printed circuit board.

DAB Unit PCB Disassembly

Procedure for removing the DAB unit printed circuit board.

Front Panel Assembly Disassembly

Steps to remove the front panel assembly, involving cable detachment and catch release.

USB PCB Disassembly

Instructions for detaching and removing the USB printed circuit board.

Panel PCB Disassembly

Procedure for removing the panel printed circuit board, including volume knob removal.

FL Window Disassembly

Steps to release catches and remove the FL window from the front panel assembly.

Centre Ornament Disassembly

Instructions for releasing catches and removing the centre ornament.

CD Lid Disassembly

Procedure for removing the CD lid by manipulating shafts and releasing a hook.

CD Mechanism Unit (DLS6C) Disassembly

Steps to detach FFC cables and remove the CD mechanism unit.

Power PCB Disassembly

Procedure for removing the power printed circuit board.

Power Amplifier IC (IC5101) Replacement

Steps for replacing the Power Amp IC (IC5101), including desoldering and handling heatsinks.

Main PCB Disassembly

Instructions for detaching cables and removing the main printed circuit board.

Fan Unit Disassembly

Procedure for removing the fan unit, involving screw and catch release, and cable detachment.

Transformer PCB Disassembly

Steps to detach cables and remove the transformer printed circuit board.

Transistor (Q5901) Replacement

Procedure for replacing transistor Q5901, including desoldering and handling heatsinks.

CD Servo PCB Disassembly

Instructions for removing the CD servo printed circuit board, involving screw removal and desoldering.

Traverse Unit Disassembly and Assembly

Traverse Unit Disassembling Procedures

Step-by-step procedures for disassembling the traverse unit, including guide and slide plate release.

Traverse Unit Assembling Procedure

Procedure for assembling the traverse unit, ensuring proper seating and short pin removal.

Service Position

Checking and Repairing DAB Module PCB

Instructions for checking and repairing the DAB Module PCB, including disassembly and reassembly steps.

Checking and Repairing USB PCB

Procedure for checking and repairing the USB PCB, detailing disassembly, cable connection, and testing.

Checking and Repairing Panel PCB

Steps for checking and repairing the Panel PCB, including disassembly, cable connections, and insulating material placement.

Checking and Repairing CD Servo PCB

Procedure for checking and repairing the CD Servo PCB, including disassembly, cable connections, and CD insertion.

Checking and Repairing Power PCB

Instructions for checking and repairing the Power PCB, involving disassembly, cable connections, and insulating material.

Checking and Repairing Transformer PCB

Steps for checking and repairing the Transformer PCB, including disassembly, cable connections, and support block usage.

Checking and Repairing Main PCB

Procedure for checking and repairing the Main PCB, involving fan unit flipping and cable connections.

Voltage Measurement and Waveform Charts

USB PCB Voltage Measurements

Table of voltage measurements for various pins on the USB PCB in CD PLAY and STANDBY modes.

CD Servo PCB Voltage Measurements

Table of voltage measurements for IC7001 and IC7002 pins on the CD Servo PCB.

Main PCB Voltage Measurements (1/2)

Table of voltage measurements for IC200, IC600, IC601, and IC700 pins on the Main PCB.

Main PCB Voltage Measurements (2/2)

Table of voltage measurements for IC800, Q760, Q761, Q100, Q350, Q375, Q382, Q600, Q602, Q603, Q604, Q761, Q762, QR375, QR376, QR384, QR600 pins on the DAB Module PCB.

Panel PCB Voltage Measurements

Table of voltage measurements for IC900 pins on the Panel PCB.

Power PCB Voltage Measurements

Table of voltage measurements for IC5101 pins on the Power PCB.

Transformer PCB Voltage Measurements

Table of voltage measurements for IC5901, Q5901, Q5902, Q5903, Q5904, Q5905, Q5907 pins on the Transformer PCB.

DAB Module PCB Voltage Measurements

Table of voltage measurements for IC1, IC3, IC4, IC201, Q1, Q2, Q100, Q201, Q202, Q350, Q375, Q382, Q600, Q602, Q603, Q604, Q761, Q762, QR375, QR376, QR384, QR600 pins on the DAB Module PCB.

Waveform Chart

Visual representations of waveforms at various points in the circuit for diagnostic purposes.

IC, Transistor, and Diode Illustrations

Simplified Block Diagram

Block Diagrams

CD Servo Block Diagram

Diagram illustrating the CD servo circuit's signal flow and component connections.

Main, Panel, Transformer, DAB Extent Block Diagram

Block diagram for main, panel, transformer, and DAB extent circuits, showing signal paths.

Main (2/2), Headphone, iPod, USB Block Diagram

Block diagram detailing the main (2/2), headphone, iPod, and USB circuits and their interconnections.

DAB Module Block Diagram

Diagram showing the functional blocks and signal flow within the DAB module circuit.

Wiring Connection Diagram

Schematic Diagram Notes

Schematic Diagrams

CD Servo Circuit Schematic

Detailed schematic diagram of the CD servo circuit, showing components and connections.

Main Circuit Schematic (1/4)

Part 1 of the main circuit schematic, illustrating signal paths and component interconnections.

Main Circuit Schematic (2/4)

Part 2 of the main circuit schematic, detailing signal paths and component interconnections.

Main Circuit Schematic (3/4)

Part 3 of the main circuit schematic, showing signal paths and component interconnections.

Main Circuit Schematic (4/4)

Part 4 of the main circuit schematic, illustrating signal paths and component interconnections.

Panel and Headphone Circuit Schematic

Schematic diagrams for the panel and headphone circuits, showing component layouts.

USB Circuit Schematic

Schematic diagram of the USB circuit, detailing connections and components.

iPod, Power, and DAB Extent Circuit Schematics

Schematic diagrams for the iPod, Power, and DAB Extent circuits.

Transformer Circuit Schematic

Schematic diagram of the transformer circuit, showing AC input and voltage distribution.

DAB Module Circuit Schematic

Schematic diagram of the DAB module circuit, illustrating tuner and baseband processor functions.

Printed Circuit Boards

CD Servo and Transformer PCB Layouts

Layout diagrams for the CD Servo PCB and Transformer PCB, showing component placement.

Main, DAB Module, and DAB Extent PCB Layouts

Layout diagrams for the Main, DAB Module, and DAB Extent PCBs, showing component placement.

Panel, Headphone, and Power PCB Layouts

Layout diagrams for the Panel, Headphone, and Power PCBs, showing component placement.

iPod and USB PCB Layouts

Layout diagrams for the iPod PCB and USB PCB, showing component placement.

IC Terminal Functions

IC7001 (MN6627954AMA) IC Servo Processor Terminal Functions

Detailed terminal functions for IC7001 (Servo Processor), listing pin numbers, I/O, and functions.

IC7002 (BA5948FPE2) IC 4CH Drive Terminal Functions

Terminal functions for IC7002 (4CH Drive), detailing pin numbers, I/O, and functionality.

IC800 (RFKWMPM38DB) IC Micro-Processor Terminal Functions

Terminal functions for IC800 (Micro-Processor), listing pin numbers, I/O, and functions.

Exploded View and Parts List

Mechanical Replacement Parts List

Exploded view showing mechanical parts and their corresponding replacement part numbers.

Packaging Details

Diagram illustrating the packaging components and their placement for the product.

Mechanical Replacement Parts List (Continued)

List of mechanical replacement parts, including safety references, part numbers, and descriptions.

Electrical Replacement Parts List

List of electrical replacement parts, including PCBs, ICs, transistors, diodes, capacitors, and resistors.

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