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SERVICE MANUAL
DVD VIDEO PLAYER
The above models are classified as green products (*1), as indicated by the underlined serial numbers.
This Service Manual describes replacement parts for the green products. When repairing these green
product(s), use the part(s) described in this manual and lead-free solder (*2).
For (*1) and (*2), see the next page.
C
TOSHIBA CORPORATION 2007
INTERNAL PUBLICATION
SD-270EKB2
SD-270EKE3
File No. 810-200796GR
Oct.,
2007 GREEN
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Summarization of Contents
Troubleshooting Guide
Spindle Motor Does Not Move
Diagnosing and resolving issues where the spindle motor fails to operate.
Power Can Not Be Turned On or Off
Troubleshooting steps for power supply failures and control problems.
Power Board Voltage Deviations
Steps for diagnosing zero or incorrect output voltages from the power board.
Disc Cannot Be Read
Procedures for when the DVD player fails to read discs properly.
Specific Disc Playback Issues
Troubleshooting playback problems for DVD or other disc formats.
LED Display and Button Malfunctions
Diagnosing issues with the LED display being off and unresponsive buttons.
Distorted Audio and Loud Noise
Steps to fix audio distortion and excessive noise during playback.
Abnormal Video Picture Color
Procedures for resolving color inaccuracies or abnormalities in the video output.
Remote Reception Issues
Diagnosing and fixing problems with remote control signal reception.
No Video Picture or Sound
Steps to resolve complete loss of video and audio output from the player.
Diagrams and Schematics
System Block Diagram
Overview of the DVD player's functional blocks and interconnections.
System Wiring Diagram
Detailed wiring connections between internal components and connectors.
Front Board Electric Diagram
Schematic detailing electrical components and circuits on the front board.
Power Board Electric Diagram
Schematic detailing electrical components and circuits on the power board.
Main Board Electric Diagram (Vaddis/SDRAM/Flash)
Schematic focusing on the main board's Vaddis processor, SDRAM, and Flash memory.
Main Board Electric Diagram (Front End)
Schematic of the main board's front-end circuitry, including OPU interface.
Main Board Electric Diagram (Audio I/O)
Schematic covering the audio input and output circuits on the main board.
Main Board Electric Diagram (Power/Video Out)
Schematic for power distribution and video output circuits on the main board.
Component Layouts
Front Board Component Layout (Bottom Side)
Physical arrangement of components on the bottom side of the front board.
Power Board Component Layout (Bottom Side)
Physical arrangement of components on the bottom side of the power board.
Main Board Component Layout (Top Side)
Physical arrangement of components on the top side of the main board.
Main Board Component Layout (Bottom Side)
Physical arrangement of components on the bottom side of the main board.
Parts and Assembly Information
Mechanical Exploded View
Diagram illustrating the assembly and breakdown of the DVD player's parts.
Main Unit Parts List
Detailed list of parts for the main unit, including part numbers and descriptions.
Front Board Electrical Parts List
List of electrical components used on the front board.
Power Board Electrical Parts List
List of electrical components used on the power board.
Main Board Electrical Parts List (Capacitors)
List of capacitors for the main board.
Main Board Electrical Parts List (Components)
List of connectors, diodes, inductors, and transistors for the main board.
Main Board Electrical Parts List (Resistors Part 1)
List of resistors for the main board.
Main Board Electrical Parts List (Resistors Part 2)
Continuation of the resistor list for the main board.
Main Board Electrical Parts List (ICs & Various)
List of integrated circuits and miscellaneous parts for the main board.
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