Service manual

144
SEP 2006
Ver. 1.1
DP-8020E/8020P/8016P
CN701
CN657-5 nORI Home Position
Sensor
-1
Home Position Detection
Signal
CN657-6 GND Home Position
Sensor
-2
Ground
CN657-7 LDORI Home Position
Sensor
-3
Photo Sensor DC Drive
Voltage
SPC PCB
Pin No.
Signal Name Destination Signal Waveform Function
CN701-1 L5V LSU
CN1-1
Laser Circuit +5VDC Power
Supply
CN701-2 GND LSU
CN1-2
Ground
CN701-3 S/H LSU
CN1-3
Sample Hold Signal
CN701-4 HSYNC LSU
CN1-4
Horizontal Synchronous
Signal
CN701-5 LDEN LSU
CN1-5
Laser Control
CN701-6 RETRACE LSU
CN1-6
Laser Control
CN701-7 GND LSU
CN1-7
Ground
CN701-8 POWCNTV LSU
CN1-8
Laser Power Control Signal
SPC PCB
Pin No.
Signal Name Destination Signal Waveform Function
+5V
HOME
0V
0V
+1.2V
+5
V
0V
+5V(H)
0V(L)
+5V
0V
+5V(H)
0V(L)
+5V
0V
0V
+1.1V