Toshiba e-studio191f Service Manual page 89

PNL1 PCB
Signal Name
Pin No.
CN234-6 nSCN[10]
CN234-7 nSCN[11]
CN234-8 nLED7
CN234-9 nLED6
CN234-10 nLED3
CN234-11 nLED1
CN234-12 nLED4
CN234-13 nLEDSLP
CN234-14 +5VP
CN235
PNL1 PCB
Signal Name
Pin No.
CN235-1 +5V
CN235-2 nSCN[3]
CN235-3 nSCN[4]
Destination
PNL2 PCB
CN251-6
PNL2 PCB
CN251-7
PNL2 PCB
CN251-8
PNL2 PCB
CN251-9
PNL2 PCB
CN251-10
PNL2 PCB
CN251-11
PNL2 PCB
CN251-12
PNL2 PCB
CN251-13
PNL2 PCB
CN251-14
Destination
PNL2 PCB
CN252-1
PNL2 PCB
CN252-2
PNL2 PCB
CN252-3
Signal Waveform
+3.3V
Key
Scan
+3.3V
Key
Scan
LED
ON
LED
ON
LED
ON
LED
ON
LED
ON
LED
ON
+5V
Signal Waveform
+5V
+3.3V
Key
Scan
+3.3V
Key
Scan
89
Function
PNL Key Signal
(Scan Line)
0V
PNL Key Signal
(Scan Line)
0V
PNL LED Control Signal
+5V
0V
PNL LED Control Signal
+5V
0V
PNL LED Control Signal
+5V
0V
PNL LED Control Signal
+5V
0V
PNL LED Control Signal
+5V
0V
Energy Saver Lamp LED
+5V
Control Signal
0V
+5 VDC Power Supply
Function
+5 VDC Power Supply
PNL Key Signal
(Scan Line)
0V
PNL Key Signal
(Scan Line)
0V
DP-1910F