Panasonic TH50PHD5, GPH5D, TH50PHW5 manual

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Symptom: No picture (black Screen)

Figure 38

vSuggestion: The use of a magnifying glass can help localize the defective printed circuit board. Use the magnifying glass to take a close look at the pixels of the screen.

If the pixels are faintly lit, the defect is most likely located in one of the following boards:

A)SS-Board

B)SS2-Board

C)S3-Board

SSBoard Figure 39

1.Check the status of the LED located on the SS-Board; if the LED is dark, a malfunction of the SS-Board is suspected.

2.Listen to the buzz noise of the SS-board. If the buzz noise is not present, a malfunction of the SS-Board is suspected.

3.Verify the input signals at connector SS3 and SS1.

Image 47

Contents Troubleshooting Guide Panasonic Services Company National TrainingPage Page Objective HD Plasma Display HD Panel Digital Cinema Reality Model Line UpInterlace SpecificationsPanasonic Company PI Company F/H Scanning MethodHD High-Definition panel FeaturesModel Differences New frontProtection Single Scan SD Rear Cover Removal DisassemblyPage Printed Circuit Board Information Table HD PCB Board Layout DiagramTXNP110MHS PCB Board Layout DiagramSD PCB Layout Diagram HY/HZ Board Video Signal Path ExplanationHX Board D1 Board DVI Interface Page Sync Process RGB/PC Input Mode SyncComposite/ Component Video Input mode Sync IC9007 A/D Converter IC3001 Video SwitchD1 Board D1 Main ICs OperationD2 Board D2 Board details SC Board Explanation Page Page SS Board Explanation Page Page Standby Power Supply Power SuppliesPower Factor Control Main Power SupplyVoltage Regulation Low Voltage Power supplyHigh Voltage Power Supply Page Protection Circuits Page Self Check Display Indication Diagnostic ProceduresPower LED Flashing timing chart No Power Diagnostic Flow ChartsPower LED is red and blinking on/off Power LED blinks twice No Picture Flowchart Are the video signals Dark picture Flowchart Local screen failure Service HintsPage Page Page Page Page Panasonic After Image Prevention Screen Saver FeatureSide Bar Brightness adjustment Accessing the Option Menu Option SettingHidden Option Menu for GPH5D series Option menus Default setting ContentsPage Sample Waveforms CN H2, Pin A8 CN H2, Pin A19 5ms /div 1ms/ div Page HX board Page SC Board Input Signals SC Board Waveforms CLK SS-Board Input Signals SS Board Waveforms Check Zone PDP Defect Pixel SpecificationBoard Connectors Connector TablesBoard Connectors OUT Board Connectors HX- Board Connectors HY / HZ- Board Connectors Panel label Information Adjustment Procedures+B Set-up Adjustment table∙ Adjustments Item / Preparation AdjustmentsDriver Set-up Initialization Pulse Adjust Quick adjustment after P.C.B. exchange B. Printed Circuit Board exchange procedureAdjustment Volume Locations Test Point locations I2C Mode Serviceman modeCAT computer aided test Mode How to access the CAT modeMemory data change CD modeOSD SD ModeI2C Menu Structure Ntsc Panel White Balance Alignment ProceduresPedestal Setting PC/RGB Panel White Balance Page HD /525i /525P Panel White Balance Page 625i Panel White Balance Sub Brightness Setting

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GPH5D, TH50PHD5, TH50PHW5 specifications

Panasonic has long been a prominent name in the plasma television market, and models like the TH-50PHW5, TH-42PHD5, TH-50PHD5, and TH-42PHW5 embody the brand's commitment to innovative features and high-quality performance. These models showcase advanced plasma technology that was at the forefront during their release, catering to both casual viewers and home theater enthusiasts.

The TH-50PHW5 is known for its impressive 50-inch display that delivers vibrant colors and deep blacks, providing an immersive viewing experience. One of its standout features is the 1024x768 resolution which, combined with the ability to handle multiple video formats, ensures that content is displayed with clarity and precision. This model supports a wide color gamut, which results in lifelike images that enhance film and sports viewing.

The TH-42PHD5 and TH-50PHD5, both featuring a 42-inch and 50-inch screen respectively, focus on professional-grade quality with a strong emphasis on high contrast ratios. These models utilize Panasonic’s Pure Driving Technology, allowing for smooth motion handling and a reduction in motion blur. This is particularly beneficial for fast-paced content such as action films or live sports, where clarity is crucial.

One of the notable technologies across these models is the Real Black Drive System, which enhances the levels of black in images, leading to improved contrast and detail in darker scenes. This is complemented by a 16:9 aspect ratio, allowing for an expanded viewing field that suits modern widescreen formats.

The TH-42PHW5 is particularly praised for its versatility, with various input options including HDMI and component video connections, making it suitable for a range of devices from gaming consoles to Blu-ray players.

These models also boast a robust design, making them suitable for both home and commercial installations. The ability to mount them on walls or utilize them in digital signage applications demonstrates their practicality.

Overall, Panasonic’s TH-50PHW5, TH-42PHD5, TH-50PHD5, and TH-42PHW5 televisions offer a blend of advanced plasma technology, versatility, and exceptional picture quality that was ahead of their time, solidifying their place in the plasma TV legacy.