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16
6
Head open sensor connector
JP16
Pin
Description
Voltage
1
Head open sensor switch
receiver
0V: Head close
3.3V:Head open
2
GND
0V
7
Gap/Black mark sensor connector
JP39, JP41
JP39
Pin
Description
Voltage
1
Reserved
2
Gap sensor
receiver AD
0~3.3V
3
Power
3.3V
4
Gap sensor
emitter
2.5~3.0V
5
Gap sensor
power
3.0~3.3V
JP41
Pin
Description
Voltage
1
Gap sensor power
3.0~3.3V
2
Black mark sensor
power
3.0~3.3V
3
Black mark sensor
emitter
2.5~3.0V
4
Black mark sensor
receiver AD
0~3.3V
5
Power
3.3V
8
Ribbon sensor connector
JP18
Pin
Description
Voltage
1
Ribbon sensor emitter
On: 3.7~3.9V
Off: 4.3~4.6V
2
Power
5V
3
Ribbon sensor receiver
No ribbon: 0V
With ribbon: 3.3V
4
GND
0V
Summary of Contents for TTP-245 Plus
Page 27: ...24 4 Replace the top inner cover 5 Reassemble in reverse procedures ...
Page 34: ...31 9 Reassemble parts in reverse procedures Label Guide Lower inner cover ...
Page 38: ...35 4 Reassemble parts in reverse procedures Screws Head Open Micro Switch ...