Panasonic GPH5D, TH50PHW5, TH50PHD5 manual No Picture Flowchart

Page 42

No Picture Flowchart 1

Is the On screen

Display information

visible?

Yes

Does the

problem exist on

all inputs?

Yes

No

Is the SC

Board LED illuminated?

No

SC Board is probably

defective.

No

Does the

problem exist on

Composite

video?

Yes

Is the SS

Board LED illuminated?

No

SSBoard is

probably defective.

No

Yes

D1 or D2 Board

is probably

defective.

Yes

HZ Board is probably defective

Does the

problem exist on PC/RGB video?

Yes

HX Board is probably defective

43

Image 42

Contents Panasonic Services Company National Training Troubleshooting GuidePage Page Objective Model Line Up HD Plasma Display HD Panel Digital Cinema RealityScanning Method SpecificationsPanasonic Company PI Company F/H InterlaceFeatures HD High-Definition panelNew front ProtectionModel Differences Single Scan SD Disassembly Rear Cover RemovalPage HD PCB Board Layout Diagram Printed Circuit Board Information TablePCB Board Layout Diagram TXNP110MHSSD PCB Layout Diagram Video Signal Path Explanation HY/HZ BoardHX Board D1 Board DVI Interface Page RGB/PC Input Mode Sync Composite/ Component Video Input mode SyncSync Process D1 Main ICs Operation IC3001 Video SwitchD1 Board IC9007 A/D ConverterD2 Board D2 Board details SC Board Explanation Page Page SS Board Explanation Page Page Power Supplies Standby Power SupplyMain Power Supply Power Factor ControlLow Voltage Power supply Voltage RegulationHigh Voltage Power Supply Page Protection Circuits Page Diagnostic Procedures Self Check Display IndicationPower LED Flashing timing chart Diagnostic Flow Charts No PowerPower LED is red and blinking on/off Power LED blinks twice No Picture Flowchart Are the video signals Dark picture Flowchart Service Hints Local screen failurePage Page Page Page Page Panasonic Screen Saver Feature After Image PreventionSide Bar Brightness adjustment Option Setting Accessing the Option MenuOption menus Default setting Contents Hidden Option Menu for GPH5D seriesPage 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 PDP Defect Pixel Specification Check ZoneConnector Tables Board ConnectorsBoard Connectors OUT Board Connectors HX- Board Connectors HY / HZ- Board Connectors Adjustment Procedures Panel label InformationAdjustment table ∙ Adjustments+B Set-up Adjustments Driver Set-upItem / Preparation Initialization Pulse Adjust B. Printed Circuit Board exchange procedure Adjustment Volume LocationsQuick adjustment after P.C.B. exchange Test Point locations How to access the CAT mode Serviceman modeCAT computer aided test Mode I2C ModeCD mode Memory data changeSD Mode OSDI2C Menu Structure Alignment Procedures Ntsc Panel White BalancePedestal 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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