Galaxy DX Radios DX33HP
Documentation Project

CBTricks.com
Integrated Circuits Voltage Chart

ICl SQ. & AGC Amp   IC8 Audio Power Amp
1 = NC 8 = 7.04 Sq; 0.68 No Sq.   1 = 13.35 6 = 1.17
2 = NC 9 = 2.26   2 = 6.60 7 = 0.00
3 = NC 11 = 0.00   3 = 0.00 8 = 0.00
4 = 8.40 12 = 0.30   4 = 0.00 9 = 6.63
5 = 0.00 13 = 0.30   5 = 1.17 10 = 12.62
6 = 0.00 14 = 0.60      
7 = 0.00 10 = 1.53-3.32 Tight Sq.   IC9 TX Mixer
      1 = 0.21 TX 8 = 3.22TX
IC2 FM Det.   2 = 8.10 TX 9 = 0.00 TX
1 = 1.30 FM 5 = 3.20 FM   3 = 8.10 TX 10 = 1.39 TX
2 = 1.30 FM 6 = 3.30 FM   4 = 0.00 TX 11 = 1.63 TX
3 = 7.30 FM 7 = 4.43 FM   5 = 8.10 TX 12 = 1.16 TX
4 = 0.00   6 = 0.00 TX 13 = 1.63 TX
      7 = 3.22 14 = 0.00
IC4 Mike Amp & T/R Sw.      
1 = 4.50 TX 5 = 4.48 RX; 2.25 TX   IC10 PLL Mixer
2 = 4.50 TX 6 = 3.2 RX / TX   1=2.71 6=5.43
3 = 4.50 TX 7 = 7.30 RX; 2.68 TX   2=2.14 7=2.10
4 = 0.00 8 = 8.17 TX   3=1.48 8=7.44
      4=2.69 9=5.44
IC5 PLL Synth.   5 = 0.00
1 = 8.02 7 = 1.60 to4.70,
LOW to HIGH Band
     
2 = 3.90 8 = 7.96      
3 = 4.18 9 = 0.00 Band A-D,
6.3V Band E-G
     
4 = NC 10 = 0.00      
5 = NC 11-17 = 0.00 or 8.30;
Depends on channel
     
6 = NC 18 = 0.00      
         

 


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