Panasonic DP-1820P Service Manual page 270

SPC PCB
Signal Name
Pin No.
CN657-5 nORI
CN657-6 GND
CN657-7 LDORI
CN701
SPC PCB
Signal Name
Pin No.
CN701-1 L5V
CN701-2 GND
CN701-3 S/H
CN701-4 HSYNC
CN701-5 LDEN
CN701-6 RETRACE
CN701-7 GND
CN701-8 POWCNTV
Ver. 1.2
Destination
Home Position
Sensor
-1
Home Position
Sensor
-2
Home Position
Sensor
-3
Destination
LSU
CN2-1
LSU
CN2-2
LSU
CN2-3
LSU
CN2-4
LSU
CN2-5
LSU
CN2-6
LSU
CN2-7
LSU
CN2-8
Signal Waveform
+5V
HOME
+1.2V
Signal Waveform
+5V(H)
0V(L)
+5V(H)
0V(L)
+5V
0V
+1.1V
270
DP-1520P/1820P/1820E
Function
Home Position Detection
Signal
0V
Ground
0V
Photo Sensor DC Drive
Voltage
Function
Laser Circuit +5VDC Power
+5V
Supply
Ground
0V
Sample Hold Signal
Horizontal Synchronous
+5V
Signal
0V
Laser Control
Laser Control
Ground
0V
Laser Power Control Signal
SEP 2004