Power Supply - Konica Minolta bizhub 43 Service Manual

3.3.1 K
EYPAD BOARD
The Keypad board manages the following functions:
- 12 Digital Keypad touches,
- LEDs for Finger print sensor light guide,
- Connector to Keypad Mezzanine PCBA.
Diagram of the Connector Locations
P301
:
List of connectors :
Connector
Keypad mezzanine
Front panel
• P301 : Mezzanine Keypad interface
Pin Signal name
1 GND
2 GND
3 NC
4 P3V3
5 P3V3
6 GND
7 GND
8 FS_SCS*
9 FS_SCLK
10 FS_MISO
11 FS_MOSI
12 GND
13 FS_INTR*
14 GND
15 GND
16 P3V3
- 25 -
To Keypad
mezzanine board
Part Number
number of
points
P301 20
P320 22
Input / output
-
-
-
-
-
-
-
O
O
I
O
-
I
-
-
-
To Front panel
module
P320
Type
Male
Female
Description
Ground
Ground
+3,3V power supply
+3,3V power supply
Ground
Ground
Finger sensor serial line - Chip select
Finger sensor serial line - Clock
Finger sensor serial line - Data In
Finger sensor serial line - Data Out
Ground
Finger sensor serial line - Interrupt
Ground
Ground
+3,3V power supply
DN 3000329392 - 03
Position
Straight
Right angled