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OCR: KENWOOD ASB 1009 Service Bulletin Amateur Radio Division Subject: TS -950SDX 3rd Order IMD Standardization Date: January 25 1993 Symptom: 3rd Order IMD figures have been noted that op not meet our standard value 10 -32 to -35dB Cause: We have found that this symptom can be caused by either improper blas to the final transistors and/or because of distortion introduced by the 73.05 MHz IF mixer circuit Parts Required: Qty Description Kenwood Part No. Circult Designator 150 ohm chip resistor RK73FB2A151J R195 R197 R198 Kohm chip resistor RK73F B2A472J R204 ohm resistor RC05GF2H220J R19 R20 Procedure: On the Final Unit X45-3450-00 change R19 and R20 from 10 ohms to 22 ohms (Fig. 1 On the IF Unit (X48-3100-00) (Fig. Change R195 from 56 ohms 150 ohms Change R197 from 220 ohms to 150 ohms Change ...