Tandy 1400LT - Page 113

P
Check the signal from
IC1 (pPD70108)
Check Pin34 of
GATE2 (m:ROM
select sinnal)
Check IC2, IC3, CATEB,
IC15 and the entire
peripheral circuitry
* If you need to change ROM(IClS), please peel off the
copyright
seal on the top of ROM, and put it to a
new ROM (IC15)
5-4