|
|
ECN-0147 |
| Title |
EZ DMX Oscillator Modification |
| Equipment |
Diamond4 EZ DMX Board
- EDM 1910A |
| Author |
Adam Proffitt |
| Drawing
No |
n/a |
| Date |
3rd December 2002
|
| Reason
for ECN |
Crystal circuit gives noise on internal pll. |
| Special
Parts Required |
12MHz Oscillator EXO3
(05-03-0417)
|
| Special
Tools Required |
None |
|
Work
Required |
|
- Remove crystal oscillator components
X3,C19,C20,R40.
-
Break off pins 2,5 and 7 of EXO3
oscillator.
-
Bend up and trim pins 3 and
8.
-
Solder pins 1, 4 and 6 into holes of the pcb as shown in
photo.
-
Connect 3V3 supply wire from R65 to pins 3 and 8
|
|
