Gasboy CFN Series Diagnostic Manual - Manual (Page 406)

CFN Islander
13-38 12/26/02
LCD DISPLAY - OLD (C06693)
The LCD Display provide the visual interface for the customer. This display:
•
provides a 1 x 20 character display
•
provides a on-board viewing angle adjustment (Okaya only. Densitron viewing angle
adjustment was on earlier revision of the LCD I/F PCB {C06370})
•
contain temperature compensation circuitry to assure uniform character contrast as
temperature varies (Okaya only)
Layouts
Connectors
P2 – LCD interface
Pinout Pin Function Voltage
1 DC ground DC ground
2 +5 VDC +5 VDC
3 VO - Viewing angle voltage 0 VDC-Dark, +5 VDC-Light (Densitron)
4 RS - Register select

0 VDC – Bus contains instruction
+5 VDC – Bus contains character to display
5 R/W-Read/Write select

+5 VDC –Read, 0 VDC-Write
6 E-Enable 
Neg. transition latches data into LCD
7 D0-Data 0

+5 VDC - On
8 D1-Data 1

+5 VDC - On
9 D2-Data 2

+5 VDC - On
10 D3-Data3 
+5 VDC - On
11 D4-Data 4 
+5 VDC - On
12 D5-Data 5 
+5 VDC - On
13 D6-Data 6

+5 VDC - On
14 D7-Data 7

+5 VDC - On