Labels:bulletin board | reckoner | sky OCR: KENWOOD ASB-1017 Service Bulletin Amateur Radio Division Subiect TS 950 Noise with Sub- Band Noise Blanker ON Date: May 1993 Symptom: Noise is generated when NB1 is switched on for the sub- receiver Cause: Switching noise from the noise blanker gate enters the AF amplifier via the +15V line causing the noise Parts Required: Qty Description Kenwood Part No Circuit Descrlption 100 uF/ 16V Electrolytic capacitor CE04KW1C101M 120 ohm Resistor RD14BB2B121J NA Procedure: Cut the pattem of the 15 Vline on the IF Unit X48 -3060-00) component side near Q34's emitter and add the 120 ohm resistor as shown in the accompanying diagram. Add the electrolytic capacitor 3s shown in the diagram. Quickly solder the negative lead to the metal shield of L28 Time required for this modification is 15 minutes orl ...
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