VCO Block for 14T302 /

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byacey
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Joined: Thursday 15th Aug 2013, 15:02
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VCO Block for 14T302 /

Post by byacey » Thursday 15th Aug 2013, 15:13

Radio Make and Model: RCA 14T302
PCB Number: PTBM048A0X PCB 02A
PLL Number: PLL02A
Test gear available: RF Gen, Scope, counter DVM, Sweep / Marker gen,
Symptoms: No Xmit or Rcv, appears VCO isn't running
+5V on TP1 of the low pass filter. The VCO is marked ZZ-Z017 YF. Is this just a varicap and coil in the VCO block, with the actual oscillator part of the TA7310P?

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