Labels:book | chat room | monitor | reckoner | sky OCR: KENWOOD SF-931 SERVICE BULLETIN AMATEUR RADIO SIBECT DATE TM-221A FINAL MODULF HINT5 4/11/88 When the Final module 18 replaced in TM-221A there poss ibility that the transmit power wili not highei than 17 watts even with the APC turned aff This due ance iT input impedance inal modul .es To correct this cond on 8pF capac itor can added be tween the input of tha module and round Wi th npow es val lue be tween 8pF and 15pF 77 be required TTY to choose value close to spF possi ible revent illati ion The capacitor should be des ignai 084 inal uni -D2 REOUIRED PART: Tt CERAMIC CAPACITOR PART CC4 5CH1HO80D ALIGNMENT Turn the APC off TX-RX unit VR-5 clockwisey Adjust TC3 and TC4 (TX-RX unit) for maximum power supply current since the APC 15 off the Final will produce very high power output import ...
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