Service manual

159
SEP 2006
Ver. 1.1
DP-8020E/8020P/8016P
CN223-11 DB5 LCD Data Signal
CN223-12 DB6 LCD Data Signal
CN223-13 DB7 LCD Data Signal
CN223-14 VDD LCD +3.3 VDC Power Supply
CN223-15 VCL LCD LCD Power Supply
CN223-16 VSS LCD Ground
CN223-17 VOUT LCD Voltage Converter Input /
Output
CN223-18 C4+ LCD Capacitor 4 Positive
Connection Pin for
Converter
CN223-19 C3+ LCD Capacitor 3 Positive
Connection Pin for
Converter
CN223-20 C1- LCD Capacitor 1 Negative
Connection Pin for
Converter
CN223-21 C1+ LCD Capacitor 1 Positive
Connection Pin for
Converter
CN223-22 C2+ LCD Capacitor 2 Positive
Connection Pin for
Converter
PNL1 PCB
Pin No.
Signal Name Destination Signal Waveform Function
+3.3
V
0V
+3.3
V
0V
+3.3
V
0V
+3.3V
+3.3V
0V
+12.5V
+12.5V
+12.5V
+9.5V
+3.3V
0V
+6.3V
+3.3V
+9.5V
+6.3V