dj-apendix/zx-multisound
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update errata for pcb rev.A and rev.A1

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Eugene Lozovoy 2023-09-09 11:20:28 +03:00
parent 63a2324711
commit 0023e1afc9
3 changed files with 7 additions and 1 deletions
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README.md
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@ -17,7 +17,7 @@ Sound card for ZX Spectrum (NemoBus).
### Changelog & current status
* Rev.A - first release. Please note the [errata](pcb/rev.A/ERRATA.txt);
* Rev.A1 - fixed all rev.A issues.
* Rev.A1 - fixed known rev.A issues. Please note the [errata](pcb/rev.A1/ERRATA.txt).
Sound card has been tested only with ZX Evolution. You can use it with another computer at your own risk.

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pcb/rev.A/ERRATA.txt
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@ -1,3 +1,7 @@
1. Missing MREQ signal. You should wire MREQ from edge connector to TP1
2. R2, R33 - 10K
3. R6, R12, R30, R31 - 47k
UPD. 2023-08-21:
4. R20 and R34 labels on silkscreen are misplaced
5. Incorrect 3.5mm jack footprint - left-right signals are swapped

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pcb/rev.A1/ERRATA.txt Normal file
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@ -0,0 +1,2 @@
1. R20 and R34 lables on silkscreen are misplaced
2. Incorrect 3.5mm jack footprint - left-right signals are swapped