Tandy 1400LT Service Manual page 136

P
Check D5,D7,
R26,R42 and
P i n 7 of IC38:LOW BATT2
. . .
Under 10. 8 - 1 1 . 4 V
I
GATE3.
Check B a t t e r y
v o l t a g e a t D4,D6.
Check v o l t a g e
a t P i n 2 , 6 (t5V)
and 8 ( t 1 2 ) of IC38.
ICheck IC38 and
I
5-21