Head Temperature Detect Circuit; Cutter Home Position Detect Sensor Circuit - Brother P-Touch QL-570 Service Manual

2.3.6

Head Temperature Detect Circuit

This circuit measures the temperature described below.
Head temperature: The CPU determines the ambient temperature of the head from the AD
2.3.7

Cutter Home Position Detect Sensor Circuit

Confirm that the cutter stays on its' home position prior to printing.
When the cutter returns to the home position, the cutter home position detect sensor circuit
recognizes it and stops the DC motor driving.
The sensor uses a micro switch to detect the position of the cutter.
converted voltage value input to TH (98 pin) of the CPU via CN3.
Thermal head
Fig. 2.3-8 Head Temperature Detect Circuit
Cutter sensor
Fig. 2.3-9 Cutter Home Position Detect Sensor Circuit
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