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Sony CRF-230 Worl Zone 23 Band Receiver in Collector's Quality Condition

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MPN:
CRF230
Condition:
Used
Shipping:
$50.00 (Fixed Shipping Cost)
  • Sony CRF-230 World Zone 23 Band Receiver in Collector's Quality Condition
  • Sony CRF-230 World Zone 23 Band Receiver in Collector's Quality Condition
  • Sony CRF-230 Worl Zone 23 Band Receiver in Collector's Quality Condition
  • Sony CRF-230 World Zone 23 Band Receiver in Collector's Quality Condition
  • Sony CRF-230 Worl Zone 23 Band Receiver in Collector's Quality Condition
  • Sony CRF-230 Worl Zone 23 Band Receiver in Collector's Quality Condition
  • Sony CRF-230 World Zone 23 Band Receiver in Collector's Quality Condition
  • Sony CRF-230 World Zone 23 Band Receiver in Collector's Quality Condition
  • Sony CRF-230 Worl Zone 23 Band Receiver in Collector's Quality Condition
  • Sony CRF-230 Worl Zone 23 Band Receiver in Collector's Quality Condition
  • Sony CRF-230 Worl Zone 23 Band Receiver in Collector's Quality Condition
  • Sony CRF-230 Worl Zone 23 Band Receiver in Collector's Quality Condition
  • Sony CRF-230 Worl Zone 23 Band Receiver in Collector's Quality Condition
  • Sony CRF-230 Worl Zone 23 Band Receiver in Collector's Quality Condition
  • Sony CRF-230 Worl Zone 23 Band Receiver in Collector's Quality Condition
$249.99
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Description

This Sony CRF-230 Worl Zone 23 Band Receiver, is in Collector's Quality Condition.

 Cosmetically it is near perfect. The FM Bands have great receive and fantastic audio. I do not think I have heard a better sounding portable transistor radio.

 The other SW bands are not working and the problem points to the LO  (Local oscillator circuit)

 The FM Bands have a separate LO and that part is working great.

 I have some notes below about the known problem.

The Original Manual is included and I will also include a nice copy of the full service manual.

The Sony CRF-230 World Zone is a solid-state, double conversion radio that has a total of 23 bands. This includes two FM bands, 17 shortwave bands, medium wave and long wave (150-400 kHz). The front panel has controls for: Bass, Treble, BFO and volume. There are switches for BFO, Noise Limiter, Sensitivity, Muting, Power, Dial Lamp, Battery Check. The analog frequency display utilizes a sliding film for greater shortwave frequency accuracy . There are dual telescopic antennas for FM and a single telescopic antenna for shortwave. It operates from AC at: 100/117/220/240 VAC 50/60 Hz, or 9 VDC or six D cells or the optional Sony DCC-2AW car battery cord.

The rear panel has antenna jacks, plus line out, aux. input, MPX out, speaker out and record output. 17.9 x 12.8 x 7.5 inches 30 lbs. 

Note:

Common Issue with Sony CRF-230: No Reception on Non-FM Bands, based on troubleshooting reports from vintage radio enthusiasts (e.g., Antique Radio Forums and similar communities), a classic symptom like this—strong FM performance but dead or silent reception on all other bands (LW, MW, SW1–SW19)—points to a shared failure in the AM/SW local oscillator (LO) circuit. The CRF-230 (a 1970s transistor-based worldband receiver) uses a separate LO for FM (which is why it works fine), but a single LO stage serves the AM/SW bands. When it fails, those bands go quiet because the receiver can't down-convert signals to the intermediate frequency (IF) for processing

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