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OCR: KENWOOD ASB-1053 Service Bulletin Amateur Radio Diviston Subject: TS 950SDX Change of Gate Resistor Type Date: March 28 1994 Symptom If the final amplifier is operated at excessive transmit levels (over 150 watts output) the final may fail and short from Source to Gate if this occurs the bias resistors used in this may be damaged and cause large amount.ol smoke to be emitted trom the linal compartment Corrective Action: Change the carbon type resistors used for R17 and R18 to the fuse type resistors specified below This will prevent an unpleasant ador and smoke from the final compartment. Parts Required: Qty Descriptlon New Part No Circult Description 100 ohm 1/2 watt Fuse Resistors R92- 1310-05 R17. R18 Procedure: Remove the old resistors from their locations on the circuit board and inst ...