−40 −
(3) Control voltage check terminal of CTL circuit board
Appearance of CTL circuit board assembled inside the front panel of SC-500 is as below.
Control voltage check terminals are set up and the check whether or not the respective voltages are abnormal
can be performed.
[DANGER] There is a danger of electric shock since the work is performed with the power ON.
Do not perform the work by any person other than technicians who have electrical
knowledge.
(Caution) All nominal voltages are those from GND reference. There is a slight error between the
actual value and the indication value.
Check terminal
TP1
TP2
TP3
TP4
TP5
Power main use
Solenoid drive (VOUT)
Ground (GND)
CP panel control (+12V)
Ground (GND)
Circuit control (+5V)
Nominal voltage
+33V/+24V/+12V
0V
+12V
0V
+5V
Remarks
Voltage varies in accordance with control state.
Appearance of CTL circuit board
Voltage check terminal
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