Service manual

161
SEP 2006
Ver. 1.1
DP-8020E/8020P/8016P
CN230-4 KIN6 PNL2 PCB
CN250-4
PNL Key Signal (Key Line)
CN230-5 LED2 PNL2 PCB
CN250-5
PNL LED Control Signal
CN230-6 SCN0 PNL2 PCB
CN250-6
PNL Key Signal (Scan Line)
CN230-7 LED3 PNL2 PCB
CN250-7
PNL LED Control Signal
CN230-8 SCN1 PNL2 PCB
CN250-8
PNL Key Signal (Scan Line)
CN230-9 LED4 PNL2 PCB
CN250-9
PNL LED Control Signal
CN230-10 KIN5 PNL2 PCB
CN250-10
PNL Key Signal (Key Line)
CN230-11 LED5 PNL2 PCB
CN250-11
PNL LED Control Signal
CN230-12 KIN4 PNL2 PCB
CN250-12
PNL Key Signal (Key Line)
CN230-13 LEDCT2 PNL2 PCB
CN250-13
PNL LED Control Signal
CN230-14 KIN3 PNL2 PCB
CN250-14
PNL Key Signal (Key Line)
CN230-15 LEDCT3 PNL2 PCB
CN250-15
PNL LED Control Signal
PNL1 PCB
Pin No.
Signal Name Destination Signal Waveform Function
+3.3V
0V
Key
Pressed
0V
+3.3V
0V
Key
Scan
0V
+3.3V
0V
Key
Scan
0V
+3.3V
0V
Key
Pressed
0V
+3.3V
0V
Key
Pressed
+5V
0V
LED ON
+3.3V
0V
Key
Pressed
+5V
0V
LED ON