Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Ground Distribution

The ground distribution schematics show which components share a common ground point. This information can be very helpful in diagnosing inoperative circuits. If more than one components are not working and they share a common ground, it is likely the ground circuit is faulty. However, if one of the circuits is operative and the other is not, you know the ground and the wire are good up to a splice.