Pioneer PL-X420 Service Manual page 21

PL-X420(BK)
33/45 SW does not function
Speed SW (S502) <33> -IC1, pin 36 |NO
. Pa of R18 and R19 from S502 to J4, pins 3
<45> > IC1, pin 35 "L"? &4 and IC1, pins 35 & 36.
Perform pattern check on R27, 28VR1
& 2 from $502 to J4, pins 1 & 2, CN4.
Check the phono motor assembly
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