Labels:book | bulletin board | reckoner OCR: KENWOOD SB-99D Con't SERVICE BULLFTIN Amateur Radio Division current It is essential however that these resistors be in good working order Final Unit (X45-3330-00) as they ensure stable operation 10 the final amplifiers. Component Side View R17 and R18 must be replaced when ever you replace the final transistors The ceramic are easy identify. They are rectangular anc (MRF-429 white in color Add Replacement Procedure: Replace the bad MRF. 429 transistors. Remove Remove R17 and R18 from the compo- and R18 nent side of the Final circuit board Solder the ceramic resistors directly to the base and emitter of the final transistors. The stability of the MRF-429 circuit is improved by soldering R17 and R18 directly to the base and emitter of the finals not install Add them iT the old loca jsuor Pa ...
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