Tandy 1400LT Service Manual page 36

o not use any solvents other than "Freon" 11 3.
in 3 (CMOUT) of PC36.
h e of the trimmer capacitor (C51) using the
in 3 of IC36) terminal.
enter the following command to generate the
ppm on the frequency counter (If the frequency is
can not be guaranteed % 5 minutes/month)
LCDC
-
C32
(trimmer capacitor)
t
.RTC
C5 1
(trimmer capacitor)
1. Connect the measuring probes of a frequency counter (high sensitivity and high input impedance) to the pin 65 of
2. Adjust C32 (trimmer capacitor) so as to read 21.47727
HC30.
z on the frequency counter.
3-1