Hello,
I sent the video to Oslo escalation since I never have seen an Ex90 behaving like this. Their answer was as follows :
"These patterns and test images are displayed by the LCD when it gets power but there is no image data and/or the clock signal is missing. The LCD does this do prevent pixel burnout when it gets power, and is probably also used for LCD testing by the LCD manufacturer. It is not 'our' factory test. When this is seen on an EX90, the LCD gets power (5V) and back light is working, but as I said it gets no image data and/or corrupt clock signal, which again points towards a loose / broken flex cable from the LCD to the mainboard".
Hardware issue whereby the unit needs to be RMA-ed.
As a last logfile, you can check the Video Processor Engine [VPE1] to which the LCD is connected. If you have ssh access to the EX90 you type the commands below in boldface to check the LCD status more in depth.
[dderidde-ex90-home:~] $ tsh
Welcome to dderidde.ex90.home
TANDBERG Codec Release TC5.1.5.-Beta1 (TEST SW, r296936)
SW Release Date: 2012-10-19, 13:19, m
OK
sys-con vpe1
****** Welcome to SYSTEM_VPE1 ******
Use 'quit' to end connection
OK
Connected
vpe-info all
FPGA 1, max 6/4 loc/dsp0 windows
32 phases, selected phase/quality 28/832
phases 0- 7: 832 416 416 0 0 0 0 0
This will not bring the EX90 back into working order, but it would be interesting to see the status of the LCD when it is showing these patterns.
