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MC145162 PLL FOR RCI 2985DX

islander

Member
Jun 29, 2016
20
0
11
51
MC145162 PLL

PINS 5,11,13 NOT USED

PINS 1,2,3,4,5 SERIAL INTERFACE FOR CPU CONTROL BLOCK


PIN 12 VDD 5 VOLTS

PIN 6 VSS GROUND

PIN 16 LOCK DETECTOR (HI = UNLOCKED)


REMAINING 7 PINS

PIN 7 - 10.1 MHZ OSC IN FROM (Q29)

PIN 8 OSC OUT TP14? (near pin 8) schematic lists 2 tp14's

PIN 9 RECEIVE FREQUENCY FROM (Q38) MIXER (TP 13)

PIN 10 PHASE DETECTOR OUT - (Q32) VCO1

PIN 14 TRANSMIT OSC IN FROM (Q34) (TP 15)

PIN 15 PHASE DETECTOR OUT - (Q33) VCO2
 

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  • @ heartbreaker3473:
    Hello gentlemen and Ladies. I have the dreaded RCI-2990 receive issue where my radio gets distorted when people get close to my location. I found the C90 Capacitor, but I can not for the life of me find the C89 capacitor. Can or does anyone have a picture of the exact location of C89 ? Thank you in advance, Wes
  • @ AudioShockwav:
    Wes, it's better if you start a thread on the main forum, more people are going to see your question.
  • @ heartbreaker3473:
    Okay, sorry, will put in a forum
  • @ heartbreaker3473:
    I put it in the general disscution help area and started a new thread. Thank you for letting me know.