Toshiba E-STUDIO190F Service Manual page 197

6.4.2. SC PC Board
CN501
SC PCB
Signal Name
Pin No.
CN501-1 +24V
CN501-2 GND
CN501-3 GND
CN501-4 GND
CN501-5 +5VP
CN501-6 +5V
CN501-7 PNLRXD
CN501-8 PNLTXD
CN501-9 nPNLRST
CN501-10 nLPOW2
CN501-11 nLPOW1
Destination
PNL1 PCB
CN230-1
PNL1 PCB
CN230-2
PNL1 PCB
CN230-3
PNL1 PCB
CN230-4
PNL1 PCB
CN230-5
PNL1 PCB
CN230-6
PNL1 PCB
CN230-7
PNL1 PCB
CN230-8
PNL1 PCB
CN230-9
PNL1 PCB
CN230-10
PNL1 PCB
CN230-11
Signal Waveform
+24V
0V
0V
0V
+5V
+5V
+3.3V
0V
+3.3V
0V
+5V
0V
+5V
0V
+5V
0V
197
Function
+24 VDC Power Supply
Ground
Ground
Ground
+5 VDC Power Supply
+5 VDC Power Supply
PNL Reception Data Signal
PNL Transmission Data
Signal
PNL Reset Signal
Buzzer Signal
24V/5V Power Control
Signal