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General| Type | Home Theater System |
|---|---|
| Total Power Output | 1000W |
| Speaker Configuration | 5.1 Channel |
| DVD Player | Yes |
| USB Playback | Yes |
| Bluetooth | No |
| USB Port | 1 |
| HDMI Output | 1 |
| Progressive Scan | Yes |
| Dolby Digital Decoder | Yes |
| DTS Decoder | Yes |
| Radio Tuner | FM |
| Playable Formats | MP3, WMA |
| Supported Disc Formats | DVD, CD |
General guidelines for servicing and handling the unit to prevent hazards and ensure proper operation.
Precautions and procedures to follow before performing repairs or adjustments on the unit.
Information on the unit's protection circuitry and conditions that might indicate its operation.
Identifies critical safety parts and emphasizes the importance of using manufacturer-specified replacements.
Guidelines for using lead-free solder during repair work, including handling and soldering iron recommendations.
Specific precautions for handling the optical pickup unit to prevent damage from static discharge and physical stress.
Methods for grounding worktables and human bodies to prevent electrostatic discharge damage to sensitive components.
Explanation of the functions of various buttons on the remote control for operating the unit.
Description of the buttons on the main unit and their respective functions for operating the system.
Instructions for connecting and operating external audio devices via the Music Port.
Guide for connecting and playing media files from USB mass storage devices.
Details on connecting external audio and video sources like set-top boxes or video cassette recorders.
Information on disc playability, including supported formats and disc types.
A summary table detailing service modes, player buttons, remote control buttons, and their applications.
Details on activating various service modes for checking unit functions and parameters.
Provides a table of DVD mechanism error codes, their diagnosis contents, FL display, and remarks.
Explains how to enable and disable a function that prevents disc removal and normal operation for sales demos.
Precautions related to recovery after DVD player repair, firmware version-up, and PCB reset procedures.
A flowchart illustrating the sequence of disassembly for major components and PCBs.
Diagram showing the locations of main components and printed circuit boards within the unit.
Step-by-step instructions for removing the top cabinet of the unit.
Procedure for manually opening the DVD lid to remove a disc if it's stuck.
Instructions for disassembling and removing the front panel assembly.
Procedure for disassembling and removing the Volume Printed Circuit Board.
Steps for disassembling and removing the Microphone Printed Circuit Board.
Procedure for disassembling and removing the Panel Printed Circuit Board.
Steps for disassembling and removing the USB Printed Circuit Board.
Instructions for disassembling and removing the rear panel of the unit.
Procedure for disassembling and removing the DVD mechanism unit.
Steps for disassembling and removing the DVD Module Printed Circuit Board.
Instructions for disassembling and removing the Main Printed Circuit Board.
Procedure for replacing the Regulator IC (IC2903), including handling precautions.
Steps for disassembling and removing the D-Amp Printed Circuit Board.
Procedure for replacing the Digital Amp IC (IC5000), including heatsink handling.
Instructions for disassembling the SMPS, AC-Inlet, and Voltage Selector Printed Circuit Boards.
Procedure for replacing the Switch Regulator IC/Diode (IC5701/D5702).
Procedure for replacing the Regulator Diode (D5801/D5802).
Procedure for replacing the Regulator Diode (D5803), including heatsink handling.
Instructions for checking and repairing the Panel Printed Circuit Board.
Steps for checking and repairing the Microphone Printed Circuit Board.
Procedure for checking and repairing the Main Printed Circuit Board.
Instructions for checking and repairing the D-Amp Printed Circuit Board.
Steps for checking and repairing the DVD Module Printed Circuit Board.
Procedure for checking and repairing the SMPS Printed Circuit Board.
Lists the necessary service tools and equipment required for measurements and adjustments.
Key considerations before starting optical and electrical adjustments for optimal performance.
Guidelines for proper storage and handling of DVD test discs to maintain accuracy during adjustments.
Detailed procedures and important points for optical pickup tilt and tangential adjustment.
Chart listing voltage measurements for various points on the DVD Module PCB under different modes.
Chart detailing voltage measurements for various points on the Main PCB under different operating modes.
Voltage measurements for key points on the D-Amp PCB across different modes and reference numbers.
Voltage measurements for various points on the SMPS PCB under different modes and reference numbers.
Voltage measurements for the Panel and Tray Loading PCBs across different modes and reference numbers.
Voltage measurements for points on the Microphone PCB across different modes and reference numbers.
Illustrates various waveforms captured at different test points within the unit's circuitry.
Block diagram illustrating the system control circuitry and its interconnections.
Block diagram detailing the servo control system for DVD playback.
Block diagram showing the audio processing circuitry for DVD playback.
Block diagram illustrating the video processing circuitry for DVD playback.
Block diagram of the audio signal processing and amplification stages.
Block diagram of the digital amplifier circuits for audio output.
Block diagram illustrating the power supply circuitry and voltage regulation.
Detailed schematic of the DVD Module circuit, showing components and connections.
Schematics for the Main, Panel, and Microphone circuits.
Schematics for the Digital Amplifier and Switched-Mode Power Supply circuits.
Schematics for Volume, USB, AC-Inlet, Tray Loading, and Voltage Selector circuits.
Schematic detailing the circuit for the optical pickup unit.
Layout diagram of the DVD Module Printed Circuit Board (Side A and Side B).
Layout diagram of the Main Printed Circuit Board.
Layout diagrams for the Panel and Microphone Printed Circuit Boards.
Layout diagram of the D-Amp Printed Circuit Board.
Layout diagram of the SMPS Printed Circuit Board, with safety warnings.
Layout diagrams for Volume, USB, AC-Inlet, Tray Loading, and Voltage Selector PCBs.
Troubleshooting common problems related to the traverse unit and DVD module.
Simplified block diagram showing the main functional blocks of the SC-PT250 system.
Block diagram illustrating the power supply distribution and regulation for the SC-PT250.
Block diagram detailing the Switched-Mode Power Supply (SMPS) block.
Detailed terminal functions and I/O for the System Control IC (IC2001).
Exploded view showing the location of cabinet parts and external components.
Diagrams illustrating the packaging of the unit and its accessories.
Comprehensive list of all components, including part numbers, descriptions, and remarks.
