Apple boardview

Daughterboard (820-3547) Boardview & Schematic

Boardview for the Daughterboard (820-3547) — a sub-board, not a whole logic board. The board file records 399 components and 181 nets, which is the scale of a sensor strip or an input daughterboard rather than a mainboard. Search it the same way as any other: type a designator or a net name.

399Components
181Nets
920Pads
238Test points
36.88 × 90.09 mmBoard size

Interactive boardview

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Side
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Top side Bottom side Through-hole Test point

About this Daughterboard (820-3547) board

This page is generated from the board file itself, so the map above is the manufacturer layout rather than a redrawing of it. The board carries 399 components and 181 named nets across 920 pads, with 238 test and probe points marked in amber for when you want to measure rather than desolder. This file does not record whether each part is surface-mount or through-hole, so the viewer gives those parts their own colour instead of guessing — the top and bottom side filter is still the fastest way to work.

Check the board number before you order parts: several of these machines shipped with more than one board revision, and a component taken off the wrong revision frequently has the same designator and a different footprint.

Frequently asked about the Daughterboard (820-3547)

Is the Daughterboard (820-3547) a mainboard?

No. The file records 399 components against the thousands you would find on a mainboard, which puts this in the daughterboard or sensor-strip class. Those are worth publishing precisely because they are hard to find: a board this small is usually undocumented anywhere else, and identifying it is the first step in replacing it.

How do I search the Daughterboard (820-3547) boardview?

Type a designator or a net name into the search box above. A net name is matched first and highlights every pad on that net; a designator matches components and lists their pads when you click one. Use the side filter if the part is on a face you cannot see.

Can I download the Daughterboard (820-3547) board file?

Yes — the original board file is linked below under downloads, kept under its own extension so it opens in the right tool.

Related boards

Other boards for the same machine family, in case this is not the revision you have.