LB# 820 1688 '' '' File & Schematic Diagram Incl IO Boards Boardview & Schematic · board 820-1688
This page has the boardview and schematic for LB# 820 1688 '' '' File & Schematic Diagram Incl IO Boards, a laptop motherboard from Apple. Printed board number: 820-1688.
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Questions about this file
Which board number is this LB# 820 1688 '' '' File & Schematic Diagram Incl IO Boards file for?
It's for board 820-1688. Compare it with the number printed on your PCB before relying on the file. Where to find it.
Which program opens this boardview?
Unpack the archive and open the file in OpenBoardView (free) or FlexBV. Boardview formats explained.
How do I use the schematic for diagnosis?
Start with the power-sequence and power-rail pages to find where a no-power or no-image fault begins, then locate the parts with a boardview. No-power troubleshooting plan.
Is the download free?
Yes. The button opens post #5699 in the public Telegram channel @schematicslaptop, where the file can be downloaded with a free Telegram account.