Executive Trainer Lcd Is Too Dim Or Too Bright - Landice L Series Diagnostic And Service Manual

Symptom: Executive Trainer LCD is too dim or too bright
Possible Cause: Needs to be adjusted
Follow setup menu to adjust contrast of LCD. If display is still bad (too bright / too dim), continue to
step 1
STEP 1:
A. Make sure that the power connector is securely connected from the LCD Screen to
the display board.
B. The notches on the display board meet with the notches on the LCD cable connector
(yellow wires should come out away from membrane).
STEP 2:
A. Top yellow LCD extension cable should be aligned with the top white LCD cable.
B. Bottom yellow LCD extension cable should be aligned with the bottom white LCD
cable.
STEP 3:
A. The ribbon cable connector should be placed on the LCD leaving the last two pins to
the right open.
STEP 4:
A. Disconnect
cable connector.
B. Using a volt meter set to AC Voltage, check the voltage between the two yellow LCD
extension cables ( can be tested on the two exposed prongs on black connector.
C. It should be 130 Volts AC
***If 130 volts, replace LCD; not 130 volts, replace display board.
the brown LCD connector from the black LCD
98
extension