Search found 3 matches
- Sep 11th, '20, 07:15
- Forum: Nava Hardware
- Topic: No negative rail, no LCD
- Replies: 2
- Views: 3536
Re: No negative rail, no LCD
Update, I disconnected the RPs bringing the negative voltage into each section and was able to isolate the problem to the handclap section. I've double checked the orientation of all the ICs and polarized components and used the voltmeter to make sure there's not a short somewhere in the circuit but...
- Aug 29th, '20, 21:31
- Forum: Nava Hardware
- Topic: No negative rail, no LCD
- Replies: 2
- Views: 3536
Re: No negative rail, no LCD
Update: I reseated the big ICs, reset the connectors and reflowed some sad looking solder points and I'm getting -2.5V on the negative rail at J5. Getting the same measurement at IC64 and IC65 but all the other negative rail check points are at -1.5V
- Aug 29th, '20, 08:12
- Forum: Nava Hardware
- Topic: No negative rail, no LCD
- Replies: 2
- Views: 3536
No negative rail, no LCD
Hi all, Just finished my 1.02 build and having a strange set of problems. My troubleshooting skills are somewhat lacking so Im hoping for a little direction. Ive double checked all the components and IC orientations and after correcting a flipped diode and electro cap, everything seems to be good. W...