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General| Brand | Panasonic |
|---|---|
| Model | DMR-PWT550GL |
| Category | Blu-ray Player |
| Language | English |
General guidelines for servicing, including lead dress and protective devices.
Procedure to check leakage current with the unit unplugged.
Procedure to check leakage current with the unit powered on.
Techniques to prevent damage from static electricity to sensitive components.
Safety precautions when working with the laser diode, including warnings about radiation.
Information on lead-free solder and associated service precautions.
Information on connecting, disconnecting, and registering USB HDDs.
Procedure to format the HDD after replacement or to escape "HDD Error".
How to access special modes using remote control button combinations.
Procedure to check the conductivity of the micro fuse using a tester.
Simplified procedures for checking Wi-Fi module malfunctions.
Procedures for performing checks using the Tuner Service Mode.
Procedure to display device information using a diagnosis code.
Details on laser class, wavelength, and power.
List of disc formats the unit can play.
Details on wireless LAN standards, transmission, and security.
Identifies controls and indicators on the main unit of the device.
Lists and explains the various indicators on the unit's display.
Identifies and explains the functions of the remote control buttons.
Procedures for forcibly ejecting a disc when the normal method fails.
Explains how the self-diagnosis function provides error information.
Details on accessing and using various special modes via remote control commands.
Overview of available service modes and their functions.
A flowchart outlining the procedure for disassembling internal parts.
Diagram showing the physical locations of various Printed Circuit Boards.
Steps for removing and disassembling the top case of the unit.
Steps for removing the front panel assembly.
Procedures for removing and handling the Wi-Fi module, HDD, and SATA PCB.
Steps for disconnecting and removing the BD Drive from the unit.
Steps to remove the rear panel and fan motor.
Steps for disconnecting and removing the Main P.C.B.
Steps for removing the Tuner P.C.B.
Steps for disconnecting and removing the Digital P.C.B.
Instructions for cleaning the optical pickup lens.
A service hint for addressing "NO READ" errors by cleaning the turntable.
Procedure overview for disassembling internal parts.
Steps for checking and repairing the Blu-ray Disc Drive.
Steps for checking and repairing the Main Printed Circuit Board.
Steps for checking and repairing the Digital Printed Circuit Board.
Lists necessary actions after replacing specific parts.
Criteria and checklist for inspecting the unit after repairs.
Illustrates the block diagram of the power supply section.
Shows the block diagram for the analog timer circuitry.
Part one of the block diagram for the Digital P.C.B.
Part two of the block diagram for the Digital P.C.B.
Illustrates the regulator block diagram for the Digital P.C.B.
Shows the interconnection schematic between various PCBs and components.
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