Sharp R-9320

9320
9450
Pin No.
Signal
Description
I/O
IN
1
vss
Connected to GND.
2
Dll
IN
Not used. Terminal for manufacture test.
Normally, connected to GND by pull-up resistor jR1 1).
DlO
IN
Terminal not used. Connected to GND.
D9
OUT Oven lamp, fan motor and truntable motor driving signal (Squre waveform: 50H.z)
To turn on and off the control relay (RL2):
The Squre waveform voltage (50 Hz) is delivered to the control relay control
circuit and cook relay control circuit.
20 msec.
Durinq cookinq
08
OUT
Magnetron high-voltage circurt driving signai.
To turn on and off the cook relay (RLI )
In HIGH operatron, the signals holds “H” level during microwave eooklng and
“L” level while not cooking. In other cooking modes (MED HIGH, MED, MED
LOW, LOW) the signal turns to
“H” level and “L” level in repetition according io
the power level.
HIGH
MED
HIGH
MED
GND
MED
LOW
ON
,
I
GND
LOW
32 sec.
6 07 OUT
Timing signal output terminal for temperature measurement and thermistor
open judgement. (R-9450 only)
“H” level (GND): Temperature measuring timing.
“L” level (-6.2V): Termistor OPEN judging timing.
40