Post Reply 
[HP48GX] Testing repaired keyboard
07-25-2016, 02:32 PM
Post: #8
RE: [HP48GX] Testing repaired keyboard
Hi fnas,

You should need only a single connection to a pad to supply ground to the CPU board. Alternatively, you might use a jumper wire from a ground point on the board to the case ground. Placing the board over the twist ties and pressing down with sufficient force would be enough to test the electrical connection.

As one member reported, the twist ties may be good for five or six open/close sequences, but once they break you're in trouble Wink

~ Mark

Remember kids, "In a democracy, you get the government you deserve."
Find all posts by this user
Quote this message in a reply
Post Reply 

Messages In This Thread
[HP48GX] Testing repaired keyboard - fnas - 07-21-2016, 09:29 AM
RE: [HP48GX] Testing repaired keyboard - mfleming - 07-25-2016 02:32 PM

User(s) browsing this thread: 1 Guest(s)