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Dimming Connector (J2)
A dimming voltage or potentiometer, plus optional backlight mode and disable logic
inputs are applied via J2, which is a polarized 5-pin inline, 2.5 mm pitch header, tin
plated with a friction lock. The connector is equivalent to the Molex 5268-NA 'SPOX'
series, part number 22-05-7055. The recommended mating connector is a Molex 5264-N
series housing, part number 50-37-5053 and Molex 5263 series crimp pin, part number
08-70-1040. The recommended wire size is 22-28 AWG stranded. Refer to on page 19
for more information.
Table 14. Dimming Connector (J2) Pinouts.
Pin
Symbol
1
RLUM HI
2
VRLUM
3
GND
4
/ABCOFF
5
/DISABL
Backlight Power Connector (J1)
Backlight power (V
with gold plated (15 ") contact surfaces and a release latch. J1 is equivalent to a Molex
43650-0301 ("Micro-Fit 3.0" series). The recommended mating connector is a Molex
part number 43645-0300 (housing) and Molex part number 43030-0008 (crimp pin). The
recommended wire size is 20 AWG stranded.
Table 15. Backlight Power Connector (J1) Pinouts.
Pin
Symbol
1
GND
2
V
3
GND
Note: Power Ground (GND) is isolated from the display metal bezel. All signals
and power on the backlight are also isolated from the J3-related AMLCD display
circuits.
18
LC640.480.33-AC Operations Manual (OM600-01)
Function
Pot high side voltage source output
Analog dimming input
Signal ground (return)
Automatic brightness control mode
disable input
Backlight disable input
) is applied via J1, which is a polarized 3 pin, 3mm pitch header
H
Function
Power ground
Backlight power
H
Power ground
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