Tandy 1400LT - Page 112

0 Will Not Start
YES
Q
Check IC2, CTL1, R78,
R80, C2, and C3
Check the relay trips
when the power
ON
switch is pressed
Check
Power Switch
(SW500) on the right
side
of unit
Check the Low Battery
RED LED when the
Charge the battery
Check
Low pulse available
at pin 11 of IC 2
when the Power
ON
switch is pressed.
I
Check IC2, D1,
R1,and C1
Check 4. 77MHz
(7. 16MHz: When high
speed mode)
Clock
signal output
pin
8 of IC2
5-3