{{ :electronic:lcd:p1126453.jpg?200|Canon LBP-8 III GB-1494V-OS SH84149}} ^ LCD Description || ^Model|**GB-1494V-OS SH84149**| ^Manufacturer|Canon| ^Recovered from|Canon LBP-8 III printer, HP Laserjet III printer| ^Board IDs|SG54159((LBP-8III)),RGI-1968((HP LJ III))| ^LCD type|positive| ^Polarizer type|reflective| ^Columns|16 ((setup as two rows of 8 characters on one line))| ^Rows|1| ^Char matrix|5x7| ^Driver IC|Hitachi HD44780A00| ^Backlight|-| ^Arduino driver|LiquidCrystal.h| ^Connector|pin header| ^Num Pins|14| ^Pin spacing|0.1"| ^ Connector pin-out ^^^ Arduino test rig | ^Pin#^IC pin^Label^Pin| ^1|23 |gnd|gnd | ^2|33|vcc|+5v| ^3|30|v5|Contrast adjustment ((connect to potentiometer between Vcc and GND))| ^4|36|rs|d8| ^5|37|r/w'|gnd| ^6|38|e|d9| ^7|39|d0| ^8|40|d1| ^9|41|d2| ^10|42|d3| ^11|43|d4|d4| ^12|44|d5|d5| ^13|45|d6|d6| ^14|46|d7|d7| \\ \\ The LCD is mounted on a sub-board that can be unsoldered from the mainboard. ===== Datasheets ===== * {{:electronic:datasheet:hitachi:hd44780_v1985.pdf|HD44780}} Dot Matrix Liquid Crystal Display Controller/Driver. * {{:electronic:datasheet:hitachi:hd44780.pdf|HD44780U}} Dot Matrix Liquid Crystal Display Controller/Driver. ---- ===== Examples from Canon LBP-8 III printer : ===== {{:electronic:lcd:p1126453.jpg?800|Canon LBP-8 III GB-1494V-OS SH84149 front}} {{:electronic:lcd:p1126457.jpg?800|Canon LBP-8 III GB-1494V-OS SH84149 back}} {{:electronic:lcd:p1126440a.jpg?800|Canon LBP-8 III GB-1494V-OS SH84149 overview with board}} {{:electronic:lcd:p1126448.jpg?800|Canon LBP-8 III GB-1494V-OS SH84149 overview with board}} {{:electronic:lcd:p1126450.jpg?800|Canon LBP-8 III GB-1494V-OS SH84149overview with board}} {{:electronic:lcd:p1126462.jpg?300|Canon LBP-8 III GB-1494V-OS SH84149 chip}} {{:electronic:lcd:p1136463.jpg?400|Canon LBP-8 III GB-1494V-OS SH84149 examples}} {{:electronic:lcd:p1136466.jpg?400|Canon LBP-8 III GB-1494V-OS SH84149 pixel layout}} ===== Examples from HP LaserJet III printer : ===== {{:electronic:lcd:p8111310a.jpg?800|HP LaserJet III GB-1494V-OS SH84149 overview with board}} {{:electronic:lcd:p8111325a.jpg?800|HP LaserJet III GB-1494V-OS SH84149 overview with board}} {{:electronic:lcd:p8111328a.jpg?800|HP LaserJet III GB-1494V-OS SH84149overview with board}}