Labels:book | reckoner | sky OCR: KENWOOD ASB- 1050 Service Bulletin Amateur Radio Division Subiect TS 950SDX Sub Band Residual Noise Date: March 28 1994 Symptom: The levelof residual noise (AF VOL at Min) on the SUB band is slightly higher than that of the MAIN band This is especially true at audio frequencies of around 5 viewed on spectrum analyzer result the SUB receiver more susceptable motor noise such as might be generated by fans refrigirators etc Countermeasures: Replacing the Control Unit electrolytic capacitors (C33 C34 and C39) with Tantalum capacitors and adding the bypass capacitor to the Switch unit reduces or eliminates this symplom Parts Required: Qty Description Kenwood Part No Circuit Descriptlon 0.1uF 35v Tantalum cap C92 000 -05 C33 1.0uF 16v Tantalum cap C92 0004 05 C34 10uF 16v Tantalum cap C92 -0505- ...
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