Matrix TOUCH - Page 88

PARTS REPLACEMENT & INFORMATION
Table of Contents
Touch / TouchXL Console
88
Troubleshooting Guide
Display Issues
Keywords: Lines, Dim, Off, Dark, Bright, Color
Display is not clear;
colors are distorted
CLARITY
DISTORTION
Check LVDS cable &
connections for
damage. Remove
both connectors &
re-seat (carefully)
Replace console
DARK
Main display is off, no
backlight or response
Replace Display and
LVDS Cable
Unable/
Didnt fix
Is Energy Saver
LED on?
Yes
Consider Energy
Saver topic
Check LEDs on
UCB. 6 steady
on, 1 slow
blinking?
No
Consider Power
topic
No
Complete
Display Test
Distortion
visible
Display Test
passes
Not clear what to do
here
Yes
Touch or
TouchXL?
Touch
Check connections
of LVDS & Backlight
wire
TouchXL
Check all display wire
connections:
LVDS
UCB to Backlight Board
Backlight Board to Display
Is Backlight
connector lit,
top right of
display?
Image below
No
Replace Backlight
Board & both cables
to it
Yes
Replace Display &
LVDS
Replace UCB
Didnt fix
Didnt fix
Replace Display,
LVDS, and Backlight
wire
Unable/
Didnt fix
Additional Information
• If possible, check that both ends of the LVDS and backlight cables are secure in their sockets and
undamaged.
• Refer to these instructions to access and perform the Display Test
• TouchXL Backlight Board troubleshooting: