Texas Instruments manual Troubleshooting Guide, TVP5154EVM Troubleshooting

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Troubleshooting

10Troubleshooting

This chapter discusses ways to troubleshoot the TVP5154EVM.

10.1 Troubleshooting Guide

If you are experiencing problems with the TVP5154EVM hardware or the WinVCC software, see Table 21 for available solutions.

Table 21. TVP5154EVM Troubleshooting

SYMPTOM

At startup, the error message Cannot find DLL file DLPORTIO.DLL appears.

Blank screen

No color

Screen colors are only magenta and green.

Video standard auto-switch does not work on the video decoder side.

Video standard auto-switch does not work on the video encoder side.

CAUSE

The parallel port driver supplied with the EVM has not been installed.

Wrong video input is selected.

Source is connected to the wrong input connector.

YCbCr outputs or clock output is disabled.

Wrong mode is selected for color subcarrier genlock output.

GLCO pin is not set to output the GLCO signal.

Wrong YCbCr output format

Auto-switch masks are not set correctly.

Video decoder is not in auto-switch mode.

Auto-switch polling is not enabled.

SOLUTION

Run Port95NT.EXE on the CD to install the driver.

Go to Edit→Property Sheets→TVP5154, Analog Video page, select the correct video input(s) and click Apply.

(The composite video input 1 is selected by default.)

Connect source to the correct input connector.

Go to Edit→Property Sheets→TVP5154, Output Control page, check the enable YCbCr outputs and enable clock outputs check boxes and click Apply.

Go to Edit→Property Sheets→TVP5154, Synchronization page, set the Fsc control format to RTC and click Apply.

Go to Edit→Property Sheets→TVP5154, Output Control page, set the drop down box labeled FID/GLCO (pin 23) to genlock output (GLCO) and click Apply.

Go to Edit→Property Sheets→TVP5154, Output Control page, set the YCbCr output format to 8-bit 4:2:2 YCbCr w/ITU-R BT.656 embedded sync mode and click Apply.

Go to Edit→Property Sheets→TVP5154, Mode Selection page, uncheck all standards to be included in auto-switch processing and click Apply.

Go to Edit→Property Sheets→TVP5154, Mode Selection page, set the drop-down box to multistandard and click Apply.

Click real-time polling in the Tools menu. Click Enable All and OK. This should be disabled if using a composite output.

SLEU069A –February 2006 –Revised July 2006

TVP5154EVM User's Guide

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Contents Users Guide Submit Documentation Feedback Contents List of Figures List of Tables Description Overview TVP5154EVM Users GuideTest Points and Jumpers Power-Down-Mode Selection Jumper PDN, JP11Common Board Interface Video Input DescriptionVideo Output Description System-Level Description Software Installation WinVCC I2C Configuration Screen Real-Time Polling Dialog WinVCC System Initialization Starting WinVCCI2C System Test WinVCC Configuration Dialog BoxI2C System Failure Real-Time PollingMain Menu Summary Main MenuDecoder I2C Write and Read Enable System Initialization Adding a Custom Dataset Example Command File Command FilesRegister Map Editor Register EditingTVP5154 Register Map Editor Controls Encoder Module Register Map EditorGeneric I2C Register Editor Memory Map Editor Generic I2C Register Map EditorMemory Map Editor Controls TVP5154 Property SheetsTVP5154 Property Sheets Property Sheet Refresh Auto-Update From DeviceDevelopment and Purpose of DM642 Code Use of Property Sheet ControlsProperty Sheet Button Controls 1 DM642 Control Window Details of the DM642 Code and Control Registers2 DM642 Virtual I2C Register Map DM642 Control Window Controls3 DM642 Virtual I2C Register Details Decoder 1 Register Decoder 2 Register Decoder 4 Register Decoder 3 RegisterDecoder 2 Input Format Register Decoder 1 Input Format RegisterDecoder 4 Input Format Register Decoder 3 Input Format RegisterLED Control Register Flash Major Version RegisterTVP5154EVM Troubleshooting Troubleshooting GuideSymptom Cause I2C System Failure Dialog Box Corrective Action DialogsCorrective Action Required I2C Error General I2C Error Report1AIN Reset 1BIN SCL 2AIN SDA 2BIN SDA SCL ResetReset SCL SDA SDA SCL /RESETSCKS1 AV1 Dsptdi Dsptdo Dsptms Dsptclk DSPTRST#AV2 Encsclk Enchs SCKS3 Encvs AV3 EncfidA9 ENCY0 B9 ENCY1 C9 ENCY2 D9 ENCY3 RPACK4-33Lendianmode Reset EmacenableDspclkin DspeclkinTED15 TED0 TED1 TED2 TED3 TED4 TED5 TED6 TED7TEA19 TEA20Hwdthsel DSP Cvdd DspcvddTCE1# TSDCAS# TSDWE# Reset TEA11 TEA12 TEA13TEA14 CH4OUT1 CH4OUT0CH4OUT2 CH4OUT3D5V SCL SDA Reset CH1AVDD CH2AVDD CH3AVDD CH4AVDD Avddref Agnd Avdd REFP1 REFM1 INX /OSC Outx PDN Resetb SCL SDAX1/OSC CH1PLLVDD CH2PLLVDD CH3PLLVDD CH4PLLVDD1AOUT 2AIN SN74AHC05DR U2E DB9TED14 TED47 TED7 TED39TED46 TED6 TED38 TED5 TED13 TED37 TED45XDSTRST# XDSEMU1 Xdstms Xdstdi Xdstdo Xdstckret XDSEMU0DSPEMU11 DSPEMU10 DSPEMU9 DSPEMU8 DSPEMU2 XDSEMU1Power on LED +5V ENCC6 ENCC7ENCC5 ENCC4Important Notice
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