Lamp BNX Series User Manual page 59

Maintenance
the computer. Turn off the sound controller in the computer. The operation is as follows: Open the "Attributes"
of My Computer, find the "Device Manager" in "Hardware", select the sound controller, and then disable
"Realtek high definition Audio".
7. Fail to play DVD or video files
A: The computer does not have a video file player installed.
B: This file format is not supported by the player itself.
C: You can install WINDVD or POWER player.
8. Display screen blurring or flashing
A: Check if the DVI cable is plugged in.
B: Check the network cable for short circuit or disconnection.
C: Check if the screen refresh rate of the monitor is set at 60HZ.
D: Check if the transmission distance of the network cable is too long and thus cause flashing.
9. Output problem
A: Check if the cable from the output interface to the signal output IC is connected or short-circuited.
B: Check if the clock latch signal of the output port is normal.
C: Check whether the cascaded output data port between the last driver IC is connected to the data port of the
output interface or is short-circuited.
D: Check if the output signals are short-circuited to each other.
E: Check if the output cable is in good condition.
10. The display is confusing and the output is abnormal.
A: Check if the clock CLK latch STB signal is short-circuited.
B: Check if the clock CLK of 245 has an input or an output.
C: Check if the clock signal is short-circuited to other cables.
Note: It mainly detects clock and latch signal.
11. The display is confusing, but the signal output to the next board is normal.
A: Check if the STB latch output terminal corresponding to the 245 is connected to the latch terminal of the
driver IC or the signal is short-circuited to other circuits.
B: Check if there is an open circuit or a virtual soldering or short circuit between the A, B, C and D output
terminals corresponding to 245 and 138.
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