| Electronics > Repair |
| What more i can do? |
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| 222Lab_Test222:
--- Quote from: Harry_22 on November 26, 2024, 03:49:54 am ---Also please do the following. Don't touch DIP switches but only measure and compare the voltages. SW2 and SW4 --- End quote --- Its High Voltages 5V |
| 222Lab_Test222:
--- Quote from: Harry_22 on November 26, 2024, 03:38:51 am ---Please print a traces from OE at the same scale. Working ang non-working --- End quote --- ITS HERE |
| Harry_22:
Make a photo of EPROMs including Dip switches of both boards |
| 222Lab_Test222:
--- Quote from: Harry_22 on November 26, 2024, 06:25:47 am ---Make a photo of EPROMs including Dip switches of both boards --- End quote --- Good |
| 222Lab_Test222:
Bad Only difference is Bad board SW4 4 pin is changed because it is the beep one, If it is turn on it keep beeping so |
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