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9 Troubleshooting
This section discusses ways to troubleshoot the TVP5158EVM.
9.1 Troubleshooting Guide
If you are experiencing problems with the TVP5158EVM hardware or the VCC software, see Table 13
through Table 16 for available solutions.
Table 13. Troubleshooting Setup and General Issues
Symptom Cause Solution
TVP5158EVM Software Previous version was Use "Add or Remove Programs" in Windows Control Panel to remove
Installer reports that installed previous version of TVP5158EVM Software. Run SETUP.EXE again.
previous version must
be uninstalled
On connecting USB EVM was not Disconnect USB cable between PC and EVM. Wait 3 seconds. Reconnect the
cable, green "connected recognized on the USB. USB cable. Green "connected LED" near USB connector should light.
LED" does not light.
On connecting USB Jumper W6 has been Install jumper W6 near USB connector. Disconnect USB cable between PC
cable, New Hardware removed. and EVM. Wait 3 seconds. Reconnect the USB cable. Green "connected
Wizard appears LED" should light.
VCC application has USB polling rate is too Conect EVM directly to a laptop/desktop USB port instead going through a
slow response time. slow. docking station. Property Pages can not be refreshed using Read All buttons
at more than about a 1-Hz rate.
Nothing seems to Clicking Read All button Property Pages can not be refreshed using Read All buttons at more than
happen when I click too frequently. about a 1-Hz rate.
Read All repeatedly.
Table 14. Troubleshooting with THS8200 and CompositeVideo Output
Symptom Cause Solution
USB: Device Not Found EVM was not Disconnect USB cable. Wait 3 seconds. Reconnect USB cable. Green
error message recognized on the USB. "connected LED" should light. Click continue
USB: I2C Error Code 1 5V power not present Connect 5V power supply to EVM. Click Continue.
error message. An I2C
EVM hardware reset Normal occurrence. An I2C error will occur if the hardware reset button is
acknowledge error has
button has been pressed while real-time polling or property page auto-update is active. Click
occurred. See reported
pressed. Continue.
I2C slave address and
I2C slave address Check that jumpers W2, W1 and W0 are connected across pins 1-2 (L, L, L)
sub-address.
jumper setting and to specify slave address 0xB0 (Set jumper W0 across pins 2-3 (L, L, H) to
program setting do not specify slave address 0xB2 for a cascaded 2nd TVP5158EVM.) Exit VCC
match. application. Restart VCC and select the correct I2C slave address.
I2C bus master Check that jumpers W3 and W4 are connected across pins 1-2 to select USB
jumpered incorrectly. as I2C master.
No video output Wrong video input is Click on System Initialization in the Tools menu. Browse to
selected. TVP5158EVM_YPbPr_Output_Setup.CMD. Click on the dataset named
"Select Ch-X Video Input". (X is the channel to be displayed.) Click the
program button.
TVP5158 is not locked Click on Property Sheets -> TVP5158 in the Edit menu (see Figure 26). Lock
to video signal. status LEDs should both be green. In main window, click buttons
Decoder1,...,Decoder4 to see the lock status of each decoder (see Figure 3).
for numbering of video inputs.
THS8200 is not Click on Property Sheets -> THS8200 in the Edit menu. Pixel count/line count
receiving BT.656 data status should be 858/525 for NTSC or 864/625 for PAL (see Figure 27).
correctly.
THS8200 programmed Click on Property Sheets -> THS8200 in the Edit menu. Click DTG tab. Frame
for wrong standard. Size should be set to 525 if source is NTSC or 625 if source is PAL. If not,
click Real-time polling button in the Tools menu.
Horizontal instability in THS8200 Video Triple On TVP5158 Output Formatter property page, check the Line-Locked Output
displayed image DAC requires a Clock check box. Set the Port A Channel Selection drop-down box to select
line-locked clock. the video input for display. Line-Locked Output Clock is required when using
non-interleaved mode and THS8200.
No audio Wrong digital audio Set jumper W9 across pins 2-3 to hear the record output (SD_R) or across
output selected. 1-2 to hear the mixer output (SD_M).
34
TVP5158 Evaluation Module SLEU108–November 2009
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