|bias control? - - - - - - - - ---
| 3.9K*8 R R R R R R R R |
+--------^+ +--------+ - - - - - - - - |
|bias control? - - - - - - - - ---
| 3.9K*8 R R R R R R R R |
+--------^+ +--------+ - - - - - - - - |
+---V---^-+ | +-^-^-^--+ 0 1 2 3 4 5 6 7 33K*8
KEY HYS | A B C +-----------------+
| | +-^----+ | | | | LS145 |
+---V---^-+ | +-^-^-^--+ 0 1 2 3 4 5 6 7 33K*8
KEY HYS | A B C +-----------------+
| | +-^----+ | | | | LS145 |
+---V---^-+ | | +-^-^-^--+ | | | | | |
KEY HYS | | | | | | | | | | |
| | | | +--------+ | | | | | |
+---V---^-+ | | +-^-^-^--+ | | | | | |
KEY HYS | | | | | | | | | | |
| | | | +--------+ | | | | | |
+--------------------------------------------------+ |
| connector | ---
+--------------------------------------------------+ GND
+--------------------------------------------------+ |
| connector | ---
+--------------------------------------------------+ GND
(HHKB_chart1.jpg)
Space bar locate at ROW:3 COL:7. A key is selected by HC4051(C,B,A) and LS145(C,B,A).
(HHKB_chart1.jpg)
Space bar locate at ROW:3 COL:7. A key is selected by HC4051(C,B,A) and LS145(C,B,A).