Panasonic SA-VK680PU User Manual

© Panasonic Corporation 2009. All rights reserved.
Unauthorized copying and distribution is a violation
of law.
PSG0906019CE
DVD Stereo System
Model No. SA-VK680PU
Product Color: (K)...Black Type
TABLE OF CONTENTS
PAGE PAGE
1 Safety Precautions----------------------------------------------- 4
1.1. GENERAL GUIDELINES-------------------------------- 4
1.2. Before Use -------------------------------------------------- 4
1.3. Before Repair and Adjustment ------------------------- 4
1.4. Protection Circuitry---------------------------------------- 5
1.5. Safety Parts Information --------------------------------- 5
2 Warning-------------------------------------------------------------- 6
2.1. Prevention of Electrostatic Discharge (ESD)
to Electrostatic Sensitive (ES) Devices -------------- 6
2.2. Precaution of Laser Diode------------------------------- 7
2.3. Service caution based on Legal restrictions-------- 8
2.4. Handling Precautions for Traverse Unit --------------9
3 Service Navigation --------------------------------------------- 11
3.1. Service Information-------------------------------------- 11
4 Specifications---------------------------------------------------- 12
5 Location of Controls and Components------------------ 14
5.1. Main Unit Key Button Operation---------------------- 14
5.2. Remote Control Key Button Operation ------------- 15
5.3. Disc Information ------------------------------------------ 16
5.4. Using the Music Port ------------------------------------ 18
5.5. DivX VOD Content--------------------------------------- 19
5.6. USB - Play and Recording----------------------------- 20
Notes: This model’s DVD Mechanism Unit is CR14. Please refer to the original service manual
(Order No. MD0801004CE) for this mechanism

Panasonic SA-VK680PU Specifications

General

Tuner	Yes
CD Player	Yes
Bluetooth	No
Remote Control	Yes
Playable Media	CD, CD-R, CD-RW

Summary

1 Safety Precautions

1.1. General Safety Guidelines

General guidelines for safe servicing procedures, including leakage current checks.

1.3. Before Repair and Adjustment

Safety measures before performing repairs or adjustments, including capacitor discharge.

2 Warning

2.1. Electrostatic Discharge (ESD) Prevention

Techniques to prevent ESD damage to sensitive devices, including grounding and handling.

2.2. Laser Diode Precautions

Safety warnings regarding laser radiation exposure and handling of the pickup unit.

2.4. Handling Precautions for Traverse Unit

Care needed when handling the optical pickup unit to prevent static breakdown damage.

4 Specifications

4.1. Amplifier Section

Technical specifications for the amplifier, including output power.

4.6. Disc Section

Details on supported disc types, including DVD and CD formats, and compatibility.

5 Location of Controls and Components

5.1. Main Unit Key Button Operation

Identifies and explains the function of each button and indicator on the main unit.

5.2. Remote Control Key Button Operation

Explains the function of each button on the remote control unit.

6 Self-Diagnosis and Special Mode Setting

6.1. Service Mode Summary Table

Summary of service modes for checking unit function and reliability.

6.2. Doctor Mode Table

Table detailing Doctor Mode for checking EEPROM and firmware versions.

6.5. DVD Self Diagnostic Function-Error Code

Table listing DVD module error codes (U702-F899) and their descriptions.

7 Troubleshooting Guide

7.1. Troubleshooting Guide for F61 and/or F76

Detailed troubleshooting steps for power-on errors F61 and F76, covering SMPS, D-Amp, and Main PCBs.

9 Disassembly and Assembly Instructions

9.1. Disassembly Flow Chart

A flowchart illustrating the sequence of disassembly for internal components.

9.2. Main Components and P.C.B. Location

Diagrams showing the location of major components and PCBs within the unit.

9.4. Disassembly of DVD Mechanism Unit (CR14)

Detailed procedure for disassembling the DVD mechanism unit (CR14).

15 Block Diagram

15.1. DVD (Audio)

Block diagram showing the audio signal path for the DVD section.

15.3. System Control

Block diagram of the overall system control and its interconnected components.

15.4. Audio

Block diagram detailing the audio signal processing and output paths.

18 Schematic Diagram

18.1. DVD Module Circuit

Detailed schematic of the DVD module circuit, showing ICs and connections.

18.2. Main Circuit

Schematic diagram of the main circuit board, including power, control, and interface sections.

18.5. Deck Circuit

Schematic diagram of the cassette deck mechanism control and audio path.

18.6. D-Amp Circuit

Schematic diagram of the Digital Amplifier circuit, including power stages.

19 Printed Circuit Board

19.1. DVD Module P.C.B.

Top and bottom views of the DVD Module PCB with component locations.

19.2. Main P.C.B.

Top and bottom views of the Main PCB with component locations.

19.6. D-Amp P.C.B.

Top and bottom views of the D-Amp PCB with component locations.

19.7. SMPS P.C.B.

Top and bottom views of the SMPS PCB with component locations.

20 Terminal Function of ICs

20.1. IC2801 (RFKWMVK480GC): IC MICROPROCESSOR

Pinout and function description for the Microprocessor IC (IC2801).

21 Exploded View and Replacement Parts List

21.1. Exploded View and Mechanical Replacement Part List

Exploded views showing the location of mechanical parts for replacement.

21.2. Electrical Replacement Part List

List of electrical replacement parts including ICs, transistors, diodes, and passive components.