Search found 5 matches

by littledot
Monday 26th Sep 2011, 2:09
Forum: CB Radio Modifications
Topic: COBRA 148 GTL ADDING FREQ. COUNTER
Replies: 7
Views: 29635

Re: COBRA 148 GTL ADDING FREQ. COUNTER

Ah right, I did actually think DYI was a model, I wasn't playing grammar police. :D

I cant help you on this one as i only know how to connect up a 3900 type counter [CRT superstar kf v1] for the 148, Theres plenty of instuctions around for this maybe it could give some clues, You never know.
by littledot
Sunday 25th Sep 2011, 23:08
Forum: CB Radio Modifications
Topic: COBRA 148 GTL ADDING FREQ. COUNTER
Replies: 7
Views: 29635

Re: COBRA 148 GTL ADDING FREQ. COUNTER

DYI ? Havnt heard of that one, Is it anything like the SS3900 type counter ?
by littledot
Saturday 24th Sep 2011, 0:39
Forum: CB Radio Modifications
Topic: Tristar 777 Nato Beep ?
Replies: 4
Views: 19662

Re: Tristar 777 Nato Beep ?

Well I managed too suss it.

For anyone thats interested

For the Tristar 777

On the PTZZ080AOX

Remove the wire that jumps from [9] to the cathode of D4

Add a 1N4148 diode in D4

Remove D3

Remove the one end of R13 [The end closest to D3] and connect the free end of R13 to ground.

Remove the ...
by littledot
Friday 23rd Sep 2011, 21:31
Forum: CB Radio Modifications
Topic: Tristar 777 Nato Beep ?
Replies: 4
Views: 19662

Re: Tristar 777 Nato Beep ?

The PTZZ080AOX in the Tristar 777 & Superstar 2000 can be "rearranged" slightly to get the same beep as the nato 2000 and hygain 8795, I just need to know what and where, The Hygain 8795 PTZZ080AOX diagram you can make out the slight changes but is not clear enough.

Someone out there must have done ...
by littledot
Friday 23rd Sep 2011, 7:08
Forum: CB Radio Modifications
Topic: Tristar 777 Nato Beep ?
Replies: 4
Views: 19662

Tristar 777 Nato Beep ?

Can anyone out there shed any light on what parts/wires need to be swapped/replaced on the PTZZ080AOX board in the Tristar 777 to get the Nato 2000/Hygain 8795 type beep.

I have searched high and low and looked at various diagrams but they are either too unreadable or are not the exact diagram so ...