Tandy 1400LT - Printer Interface Check

@ Printer Interface
Check the connectors and
cable connected to
the printer
(CN9)
I
Check the slRB
Signal (printer strobe)
TR26
: Collector (Clock Mode)
3. 3psec .------ 4. 77MHz
x 2. 2psec .------ 7. 16MHz
I
Pin48-55 of GATE2
1
Check
GATE2 and TRl8-25.
TR27 and Pin29
I
Check
GATE2 and TR27.
5-15