Toshiba E-STUDIO190F Service Manual page 224

PNL1 PCB
Signal Name
Pin No.
CN234-12 nLED6
CN234-13 +SLP
CN234-14 nLEDSLP
CN234-15 nSLPKY
CN234-16 GND
CN234-17 BAT+
CN234-18 GND
CN235
PNL1 PCB
Signal Name
Pin No.
CN235-1 nSCN[4]
CN235-2 nSCN[5]
CN235-3 nSCN[3]
CN235-4 nSCN[6]
Destination
PNL2 PCB
CN251-12
PNL2 PCB
CN251-13
PNL2 PCB
CN251-14
PNL2 PCB
CN251-15
PNL2 PCB
CN251-16
PNL2 PCB
CN251-17
PNL2 PCB
CN251-18
Destination
PNL3 PCB
CN261-1
PNL3 PCB
CN261-2
PNL3 PCB
CN261-3
PNL3 PCB
CN261-4
Signal Waveform
+5V
LED
ON
0V
+5VP
+5V
LED
ON
0V
+3.3V
Key
Pressed
0V
0V
+3V
0V
Signal Waveform
+3.3V
Key
Scan
0V
+3.3V
Key
Scan
0V
+3.3V
Key
Scan
0V
+3.3V
Key
Scan
0V
224
Function
PNL LED Control Signal
Energy Saver Lamp LED
Power Supply
Energy Saver Lamp LED
Control Signal
Energy Saver Key Signal
Ground
Lithium Battery
Ground
Function
PNL Key Signal (Scan Line)
PNL Key Signal (Scan Line)
PNL Key Signal (Scan Line)
PNL Key Signal (Scan Line)