Toshiba E-STUDIO190F Service Manual page 204

SC PCB
Signal Name
Pin No.
CN509-14 EBC3D[2]
CN509-15 EBC3D[1]
CN509-16 EBC3D[0]
CN509-17 GND
CN509-18 GND
CN509-19 +5VP
CN509-20 +24V
CN509-21 +3.3V
CN509-22 +5VB
CN509-23 pCMLD
CN509-24 nHKOF5V
Destination
FXB PCB
CN110-7
FXB PCB
CN110-6
FXB PCB
CN110-5
FXB PCB
CN110-4
FXB PCB
CN110-3
FXB PCB
CN110-2
FXB PCB
CN110-1
FXB PCB
+3.3V
CN110-40
+3.3V
FXB PCB
CN110-39
FXB PCB
CN110-38 +5V(H)
FXB PCB
CN110-37
Signal Waveform
+3.3V
+3.3V
+3.3V
+24V
Sleep Mode
Shutdown
Mode
Sleep &
Shutdown
ON
OFF
204
Function
System Data Bus
0V
System Data Bus
0V
System Data Bus
0V
Ground
0V
Ground
0V
+5 VDC Power Supply
+5V
+24 VDC Power Supply
+3.3 VDC Power Supply
0V
+5 VDC Power Supply
+5V
0V
CML ON / OFF Select
Signal
H : CML On
L : CML Off
0V(L)
Off-Hook Detection Signal
+5V
0V