| LCD Description | |
|---|---|
| Model | GB-1494V-OS SH84149 |
| Manufacturer | Canon |
| Recovered from | Canon LBP-8 III printer, HP Laserjet III printer |
| Board IDs | SG541591),RGI-19682) |
| LCD type | positive |
| Polarizer type | reflective |
| Columns | 16 3) |
| Rows | 1 |
| Char matrix | 5×7 |
| 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 4) |
| 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
- HD44780 Dot Matrix Liquid Crystal Display Controller/Driver.
- HD44780U Dot Matrix Liquid Crystal Display Controller/Driver.
Examples from Canon LBP-8 III printer :
Examples from HP LaserJet III printer :
