3.5.2.9 Backlight Inverter Connector (J28)
This connector supports different backlight inverters.
Pin
Signal
Description
Pin Assignment
1
VIN
Connected to the Input voltage on J4 Pin 1-3
*1
2
VIN
Connected to the Input voltage on J4 Pin 1-3
*1
3
VIN
Connected to the Input voltage on J4 Pin 1-3
*1
4
GND
Ground
5
GND
Ground
6
GND
Ground
7
+5VSWITCHED
+5 V supply voltage, switched with ENA signal
8
+5VSWITCHED
+5 V supply voltage, switched with ENA signal
9
GND
Ground
10
GND
Ground
11
GND
Ground
12
ENAn
Backlight Enable: On (0 V) or Off (5 V)
13
ENA
Backlight Enable: On (5 V) or Off (0 V)
14
+5V
+5 V supply voltage
15
+5V
+5 V supply voltage
16
+5V
+5 V supply voltage
17
+5V
+5 V supply voltage
18
GND
Ground
19
GND
Ground
20
DIMM
Backlight Dimming:
Dependent on S2 settings different voltage
ranges are possible (max. range: 0 V .. 5 V)
1
2
19
20
Figure 36:
LVDS Panel Connector (Molex,
501190-2017)
Notes:
*1
:
With a 14 V over voltage protection to protect the backlight inverter from wrongly applied high PIP input voltages. For
PIPs with LVDS panels it is needed that the PIP supply voltage is exactly 12V.
3.5.2.10 Panel Dimming Connector (J24)
Used for LVDS panel backlight dimming.
Pin
Signal
Signal Description
Pin Assignment
1
UP#
Increase brightness
2
DOWN#
Decrease brightness
3
GND
Ground
4
GND
Ground
3
1
4
2
Figure 37:
Panel Dimming Connector (Samtec,
IPL1-102-02-S-D)
3.5.2.11 Internal Power Connector 1 (J4)
Please refer to chapter 3.5.1.4.4 for a schematic diagram about the connections between all the PIP power
connectors.
Pin
Signal
Description
Pin Assignment
1
VIN
Input voltage (8 to 28 V)
2
VIN
Input voltage (8 to 28 V)
3
VIN
Input voltage (8 to 28 V)
4
+12 V
Input for PC/104-
PLUS
supply
5
+12 V
Input for PC/104-
PLUS
supply
6
GND
Ground
7
GND
Ground
8
GND
Ground
9
GND
Ground
10
GND
Ground
1
5
6
10
Figure 38:
Internal Power Connector (Samtec,
IPL1-105-02-S-D)
2012 by MPL AG
37
MEH-10126-201 Rev. F
High-Tech • Made in Switzerland
PIP19 / PIP20 / PIP22 / PIP23
Technical Reference Manual
