| Electronics > Repair |
| What more i can do? |
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| 222Lab_Test222:
--- Quote from: Poroit on November 26, 2024, 02:08:14 am --- BTW What device is the WACOM Tornado T? All the WACOM links I see relate to Visual products. --- End quote --- I have no idea of that IC. |
| 222Lab_Test222:
--- Quote from: Harry_22 on November 26, 2024, 12:57:17 am ---Please next measure A0 and Q0 EPROM lines. Set up 2.5us/div or less to see the pulses. Move start trigger line to the left to see the full picture. --- End quote --- Here, |
| Harry_22:
Please print a traces from OE at the same scale. Working ang non-working |
| Harry_22:
Also please do the following. Don't touch DIP switches but only measure and compare the voltages. SW2 and SW4 |
| fzabkar:
--- Quote from: Poroit on November 26, 2024, 02:08:14 am ---What device is the WACOM Tornado T? --- End quote --- https://ww.reddit.com/r/ElectronicsRepair/comments/1g9csou/what_more_i_can_do/lx1vrat/ I think that the WACOM WE001BF northbridge/southbridge handles BIOS, memory I/O, RTC, CMOS RAM, serial/parallel ports, DIP switches, buzzer and keyboard (?). It must also handle the 100-pin (ISA?) bus. I think that it contains everything that would be required by a standalone single-board computer, as long as the console is an A/N terminal. |
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