Galaxy DX Radios DX77HML
Documentation Project

CBTricks.com
Active Device Location Diagram

TR 1......NB Amp

TR 2......NB Amp

TR 3......NB Amp

TR 4......NB AGC

TR 5......NB Pulse Amp

TR 6......NB Pulse Amp

TR 7......NB Shunt Switch

TR 8......2nd RX Mixer

TR 9......AM/FM IF Amp

TR 10....AM/FM IF Amp

TR 11....AM/FM IF Amp

TR 12....SSB Switch & AGC

TR 13....AM/FM S-Meter

TR 14....SSB/CW S-Meter

TR 15....AF Preamp

TR 16....Squelch Switch

TR 17....RX RF Amp

TR 18....1st RX Mixer

TR 19....1st SSB IF Amp

TR 20....2nd SSB IF Amp

TR 21....3rd SSB IF Amp

TR 22....4th SSB IF Amp

TR 23....AM Det. Switch

TR 24....PLL Ref. Osc.

TR 25....VCO

TR 26....VCO Buffer

TR 30....Carrier Osc.

TR 31....SSB Switch

TR 32....AMC Shunt

TR 33....Roger Beep Osc.

TR 34....AMC/ALC Amp

TR 36....RX Voltage Switch

TR 37....RX Voltage Switch

TR 38....TX Voltage Switch

TR 39....Talkback Switch

TR 40....Voltage Reg.

TR 41....Voltage Reg.

TR 42....AF Preamp

TR 43....RF Final Amp

TR 44....RF Driver Amp

TR 45....RF Predriver Amp

TR 46....RF Amp And Buffer

TR 47....ALC Sense Amp

TR 49....AM Mod. Amp

TR 50....AM Mod. Amp

TR 51....AM Mod. Amp

TR 52....SSB Switch

TR 53....AMC Amp

TR 56....RF Final Amp

 

IC 1......Squelch & AGC Amp

IC 2......FM Det.

IC 3......Balance Mod.

IC 4......Mike Amp & TR Switch

IC 5......PLL Synth.

IC 6.......PLL Bit Adder
IC 7
.......PLL Bit Adder
IC 8
......Audio Power Amp
IC 9......TX Mixer
IC 10....PLL Mixer


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we cannot guarantee that the instructions will work on every radio presented.