Service manual

162
SEP 2006
Ver. 1.1
DP-8020E/8020P/8016P
CN231
CN230-16 KIN2 PNL2 PCB
CN250-16
PNL Key Signal (Key Line)
CN230-17 LEDCT4 PNL2 PCB
CN250-17
PNL LED Control Signal
CN230-18 BAT+ PNL2 PCB
CN250-18
Lithium Battery
PNL1 PCB
Pin No.
Signal Name Destination Signal Waveform Function
CN231-1 +SLP PNL2 PCB
CN251-1
Energy Saver Lamp LED
Power Supply
CN231-2 nLEDSLP PNL2 PCB
CN251-2
Energy Saver Lamp LED
Control Signal
CN231-3 nSLPKY PNL2 PCB
CN251-3
Energy Saver Key Signal
CN231-4 GND PNL2 PCB
CN251-4
Ground
CN231-5 LEDCT0 PNL2 PCB
CN251-5
PNL LED Control Signal
CN231-6 BZ+ PNL2 PCB
CN251-6
Buzzer Signal (+)
+24V: Loud
CN231-7 LEDCT1 PNL2 PCB
CN251-7
PNL LED Control Signal
CN231-8 BZ- PNL2 PCB
CN251-8
Buzzer Signal
+24V: Loud
PNL1 PCB
Pin No.
Signal Name Destination Signal Waveform Function
+3.3V
0V
Key
Pressed
+5V
0V
LED ON
+3V
+5VP
+5VP
0V
+3.3V
0V
PUSH
0V
+5V
0V
LED ON
+12V
(+24V
)
+5V
0V
LED ON
+12V
(+24V)
0V