obsidian-matas/Fixtures/T4893B.md
2026-05-12 09:41:33 +02:00

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---
type: Test-OK
fixture_id: T4893B
fixture_rev: B
stage: bed_of_nails
customer:
- - <Customer>
product_series:
- M4893
supported_products:
- M4893A
active: false
introduced: <YYYY-MM-DD>
design_files: <altium/mech path>
---
# What this fixture is (12 lines)
Bed-of-nails rig used to test M1234 series; Rev A test definition.
# Coverage
### Validated (allowed to run)
- M1234A: ✅ <conditions/notes>
- M1234B: ✅ <conditions/notes>
- M1234C: ✅ <conditions/notes>
### Not validated (do NOT run without sign-off)
- M1234D: ⚠️ why / what differs / what needed to validate
# Operator procedure (operator-proof)
1) Placement/alignment:
2) Clamp:
3) Start test:
4) Pass/fail handling:
5) Common operator mistakes (max 3):
# Interfaces (high level)
- Power rails + limits:
- Programming/debug access:
- Special nets / straps:
# Maintenance
- Wear items / spares (probes, cables):
- Periodic checks (interval + what “good” looks like):
- Cleaning / handling notes:
# Known issues (repeat offenders only)
- Symptom → likely cause → fix → evidence (worklog link)
# Change policy (prevents drift)
- Small fix (≤1 day, no behavior/coverage change): TaskNote linked here
- Coverage/behavior change OR hardware change: new project `PRJ - T1234A - Rev<next>`
- After change: update `supported_products` + add evidence link
# Active work (TaskNotes)
- Use TaskNotes/Bases view filtered by:
- `fixture = [[T1234A]]` AND `status != done` AND `status != cancelled`
# Links
- Customer hub: [[<Customer>]]
- Product series: [[M1234]]
- TestTrack suite: `<path>`
- Design files: `<path>`
- Photos/attachments: `12_ATTACHMENTS/<...>`
- Projects:
- [[PRJ - T1234A - Build]]
- [[PRJ - T1234A - RevB]] (when it happens)