1-2. Oscillation circuit
The oscillation circuit generates a basic clock signal for synchronization and time calculation related to the transmission of
data and calculations made by the MICOM (IC1). The oscillator (OSC1) must always be replaced with an exact rated part,
because if this changes, the time calculations of the MICOM will be affected and it might not work at all.
1-3. Reset circuit
The RESET circuit allows various parts of the MICOM, such as RAM, defrosting, etc., to be restarted from the initial state
when power is interrupted or restored. A LOW signal applied to the reset terminal for 10 ms causes the MICOM to reset
itself. During normal operation, the voltage at the reset terminal is 5 Vdc. If the reset fails, the MICOM will not operate.
IC9
CC9*
104
R83*
31
2
KIA7042
+
8
R15
IC1
MICOM
4.7K
RESET
1uF/50V
CE19
104
CC8*
100
- 31 -
CSTLS4M00G53-A0
0SCI
R14*
IM
XIN
XOUT
3
2
IC1
MICOM
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