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electronic:lcd:lbp8iii [2018/04/08 21:25] – tonyelectronic:lcd:lbp8iii [2026/09/26 10:33] (current) – tony
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 +{{ :electronic:lcd:p1126453.jpg?200|Canon LBP-8 III  GB-1494V-OS SH84149}}
 +^  LCD Description  ||
 +^Model|**GB-1494V-OS SH84149**|
 ^Manufacturer|Canon| ^Manufacturer|Canon|
-^Model|GB-1494V-OS SH84149| +^Recovered from|Canon LBP-8 III printer, HP Laserjet III printer| 
-^Recovered from|Canon LBP-8 III printer| +^Board IDs|SG54159((LBP-8III)),RGI-1968((HP LJ III))| 
-^Columns|16|+^LCD type|positive| 
 +^Polarizer type|reflective| 
 +^Columns|16 ((setup as two rows of 8 characters on one line))|
 ^Rows|1| ^Rows|1|
 ^Char matrix|5x7| ^Char matrix|5x7|
 ^Driver IC|Hitachi HD44780A00| ^Driver IC|Hitachi HD44780A00|
 ^Backlight|-| ^Backlight|-|
-^Arduino driver|44780|+^Arduino driver|LiquidCrystal.h|
 ^Connector|pin header| ^Connector|pin header|
 ^Num Pins|14| ^Num Pins|14|
-^Pin spacing|0.1|+^Pin spacing|0.1"|
  
-^ ^^^Arduino test rig ((reminder for my personal testing, not useful for anyone else!))|| +^  Connector pin-out  ^^^  Arduino test rig  | 
-^Pin#^IC pin^Label^Pin^colour| +^Pin#^IC pin^Label^Pin| 
-^1| |gnd| |orange| +^1|23 |gnd|gnd | 
-^2|33|vcc| |red| +^2|33|vcc|+5v| 
-^3|30|v5| |brown| +^3|30|v5|Contrast adjustment ((connect to potentiometer between Vcc and GND))| 
-^4|36|rs| |yellow| +^4|36|rs|d8| 
-^5|37|r/w'| |green| +^5|37|r/w'|gnd| 
-^6|38|e| |blue|+^6|38|e|d9|
 ^7|39|d0| ^7|39|d0|
 ^8|40|d1| ^8|40|d1|
 ^9|41|d2| ^9|41|d2|
 ^10|42|d3| ^10|42|d3|
-^11|43|d4| |purple| +^11|43|d4|d4| 
-^12|44|d5| |grey| +^12|44|d5|d5| 
-^13|45|d6| |white| +^13|45|d6|d6| 
-^14|46|d7| |black|+^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 =====
 +^Recovered 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}}
 +
 \\ \\
 +^Recovered from HP LaserJet III printer :^
  
-16 x 1 characters, but logically laid out as two lines of 8 characters.+{{: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}}
-===== Examples : =====+
  
-{{:electronic:lcd:.jpg?800|Canon LBP-8 III  GB-1494V-OS SH84149}}+{{:electronic:lcd:p8111328a.jpg?800|HP LaserJet III  GB-1494V-OS SH84149overview with board}}