RandomRetro
Professional
Just getting started on this issue but any initial guidance is welcome. When powered on the attached picture is what I see. Is this a common display for a known issue like RAM?
Steps so far:
Steps so far:
- Worked without issue for past year
- Checked voltages and all check out
- Tried swapping carts out and around
- Led panels still cycle like on initial boot sequence
- No visible bad traces
- No visible cold/bad solder joints
- No visible battery damage
- No visible puffy or leaking caps
- Swap Bios chip (no luck)
- Recap
- Look with scope for bad solder joints and traces
Attachments
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