First post, by wbahnassi
Hi guys, many people asked here about figuring out their turbo displays. I guess my turn came now.
Got this turbo display, and I'm struggling with all aspects of it: setting the numbers, switching between two setups, and finally connecting it to the mobo.
Now, I'd like to start with understanding what are the connectors for: TL, T, TH, S, G, V+.
G & V+ are obvious, and the LEDs indeed come to life when I connect V+ & G to the 5V input source and ground from the PSU.
But what about S, TH, T, and TL? I did toy a little with them and connected the three wires from the 2x3 turbo switch to TL,T,TH though toggling the button doesn't seem to change anything.
I noticed that shorting S to TH does switch the display, but in a weird manner. If I short them, the LEDs change. Then if I remove a cell jumper the matching LED turns off, but when I put back the jumper in its place the LED doesn't come back, unless I unshort S & TH then reshort them again. Does that mean there is a latch circuit involved? The IC on the board is 8 inverters from what I've read.. so I'm not sure where this latching behavior is coming from.
The mobo has a 2-pin turbo switch connector and a 2-pin turbo led connector. But let's focus on the turbo display circuit for now before even involving the mobo in the game. I should be able to setup to different numbers and toggle between them without the mobo altogether.. right?
Thanks for any help in advance!