Search found 4 matches

by bn4k
15 Jan 2021, 11:26
Forum: Keyboards
Topic: GK64 pcb problem
Replies: 8
Views: 522

Re: GK64 pcb problem

Have you tried reflashing the PCB? No, i haven't. If I had to guess, they look to be surface mount Schottky Diodes. The components labeled D##. I can't seem to make out any distinguishing numbers on those diodes though. Two elements what i replaced was marked with S1 code and was packaged in SOT-23...
by bn4k
14 Jan 2021, 13:31
Forum: Keyboards
Topic: GK64 pcb problem
Replies: 8
Views: 522

Re: GK64 pcb problem

Do you have a multimeter? Yes i do. I would check the diodes for that column with a Diode test. I dont have scheme for this pcb board, but it looks like there is no diods at all. Elements that i replased was transistors, and i have no idea fot it purposes. May be they are replaces diodes some how. ...
by bn4k
13 Jan 2021, 05:10
Forum: Keyboards
Topic: GK64 pcb problem
Replies: 8
Views: 522

Re: GK64 pcb problem

Oh... checked twice. Seems that everything inserted corretctly/
by bn4k
12 Jan 2021, 08:04
Forum: Keyboards
Topic: GK64 pcb problem
Replies: 8
Views: 522

GK64 pcb problem

Hello. I have GK64 in alum case with Liang DF64BRGB plate inside. After a static electrical discharge on the keyboard case, the column of keys from ESC to CRTL-L stopped working. All LED's working fine. I re-soldered items Q5 and Q6, 'cos they looked messed up (burned out), replacing them with new o...

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