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Apple Thunderbolt Display Black Blanking Out Repair

Engels
Nederlands
Stap 21
Apple Thunderbolt Display Black Blanking Out Repair, Testing LED bar: stap 0, afbeelding 1 van 1
Testing LED bar
  • If have LED tester, can test LED bar serial circuit

  • Want to see stable voltage reading. Failing LED serial circuit will show variable voltage reading. Failed LED will show lower voltage reading.

  • Note the pictured test points do not test from the connector. Connector has each series + - adjacent to each other and difficult to probe.

  • It is assume 6 pin of the LED connector is reflowed with fresh leaded solder to ensure longevity

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Je bijdragen zijn gelicentieerd onder de open source Creative Commons-licentie.