Mindray BeneView T5, Service Manual

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4-3
4.6.2 Display Failures
Symptoms Possible Cause Corrective Action
Cables defective or
poorly connected. 1. Check that the cable from the display to the
mother board and the cables from the backlight
board respectively to the button board and the
display are correctly connected.
2. Check that the cables and connectors are not
damaged.
Backlight board
defective Replace the backlight board.
Power module defective Replace the power module.
Integrated
display is blank
but the patient
monitor still
works correctly.
Display defective Replace the display.
Cables defective or
poorly connected. 1. Check that the cable between the display and the
patient monitor is correctly connected.
2. Check that the cables and connectors are not
damaged. Secondary
display does not
function.
DVI interface board
defective Replace the DVI interface board.
Cables defective or
poorly connected. 1. Check that the cable between the display and the
patient monitor is correctly connected.
2. Check that the cables and connectors are not
damaged.
DVI interface board
defective Replace the DVI interface board.
Secondary
display displays
snows or
flashing specks
The mother board is
damaged. Replace the mother board.
FPGA error. Update or upgrade FPGA. Images
overlapped or
distorted
Cables defective or
poorly connected. 1. Check that the cable between the display and
mother board is correctly connected.
2. Check that the cables and connectors are not
damaged.
Touchscreen
does not
response Touchscreen disabled
Check if there is a symbol shown above the
[ Main Menu ] QuickKey. If yes, press the [ Main
Menu ] QuickKey for more than 3s to enable the
touchscreen.