The Defpom Forum, for RadioMods, S&M Software and Music by The Defpom

Hi Scott, I checked voltages earlier on the BM, they were as follows on USB: RX mode pins 1-7..........0.98, 3.10, 3.09, 0, 5.58, 7.05, 6.40 TX as above..................0.96, 3.04, 3.03, 0, 5.47, 6.93, 4.07 (TX readings were taken with just a deadkey, modulation didn't seem to be varying anything m...

Hello again Just double checked the mode switch - all the wiring seems to check out OK, and each switch set seems to be doing what it should....the pole that deals with supplying 8volts seems to be working correctly, and doesn't seem to be getting dragged down at all (I'm seeing just under 8v on the...

Hi Ramblingman, I'm pretty sure the mode switch checks out fine.....think I saw around 8 volts on each position when I tested it - I'll double check that in a minute! Would I not have receive problems if this switch was 'bad'; receive in all modes seems to be fine....... Will go check it again anywa...

Hi all, I'm currently trying to bring a sick Uniden Grant back to life (8719 pll, PC-409AC mainboard).... This radio works fine on AM, both Rx and Tx (although tx audio may be a tad quiet, might just be me, though!), but refuses to produce any swing on either SSB mode.. SSB receive was also dead whe...

Hi all, I can't believe that there isn't anyone on here that can help with this problem... I still need help with an ill Mk1 148GTL-DX, PC879 mainboard with the 8719 PLL - has a 20-year-old JD Custom Band Converter Eprom fitted, with a 145106 PLL piggy-backed across the original....it's worked fine ...

Hi all, I blatantly need help with an ill Mk1 148GTL-DX, PC879 mainboard with the 8719 PLL - has a 20-year-old JD Custom Band Converter Eprom fitted, with a 145106 PLL piggy-backed across the original....it's worked fine for me for 20+yrs until the following.. After a slight mishap (1ft drop off a s...