Read Panasonic JS-950 / JS-950WS Service Manual online
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2.1. Block Diagram
2. Description of Operation
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2.2.1 Special IO function of the project
(1) CPU FAN control
The condition of CPU Fan speed is controled base on CPU thermal situation automatically. (Super IO
function)
(2) Thermal control of CPU
If the thermal of CPU over specification , protective function works by BIOS automatically.
(3) Thermal monitor of Main board
Can monitor 2 point of main board at least, and the temperature data can be gotten through DMI I/F.
(4) PSU
Can be fan speed control base on PSU thermal situation.
Can be over temperature protect of PSU ( shut down PSU )
The thermal situation of PSU or Fan situation can be monitor by mainboard.
(5) Backlight control
Main display & 2
nd
display back light on/off can be controlled separated, The backlight on/off signal should be
controlled by GPIO.
Speaker
COM Port *4
Module
Board
Output Conn.
RES. / CAP.
Touch Panel
Module
Touch Panel
Module
15" LCD
Module
Module
12" LCD
Module
Module
I-Button
Module
Module
MSR
Module
Module
Finger
Printer
Module
Printer
Module
RES. / CAP.
Touch Panel
Module
Touch Panel
Module
8" LCD
Module
Module
4 Line / 2 Line
VFD Module
VFD Module
No. 09
A/D Board
No. 03
M/B TO LCD
No. 04
LCD TO M/B
No. 01
Main Board
No. 02
I/O Board
No. 10
Power Button
Board
No. 11
Power USB
Board
No. 06
HDD TO
M/B Board
No. 08
2.5" HDD +
2 CF Board
Power / H.D.D. /
LAN LED
LAN LED
Power Button
USB Conn. *1
No. 07
3.5" HDD
Board
Power USB Conn. *2
(24V*1 / 12V*1)
(24V*1 / 12V*1)
Mic In /
Line Out
Line Out
CASH
DRAWER *2
DRAWER *2
VGA Conn.
Printer Port
RJ-45 +
USB Conn.
USB Conn.
2.2. Description of Main PCB Circuit
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