Tandy 1000 SL Technical Reference Manual page 230

MAX
OUTPUT MINLOAD LOAD R
L O A F E W E R
LOAD LOAD R
+ 5
v
1.25A 4ohms 20 W 7.0 A 0.7 ohms
+ 1 2 V 0.15A 80ohms 5 W 2.4A 5ohms
-12
v
0 0 0 0.25A 48ohms
Table 1 Load Board Values (67 watt)
LOAF&R
60 W
50 W
5
W
ISOLATION
VARIAC
OUTPUT
1
+
5v
AC +12v
ISOLATION OUTPUT
+5v
-
~
AC +12v
VARIAC
POWER
SUPPLY
TRANSFORMER
-12v
POWER
SUPPLY
COMM
D
LOADS
Figure 1 Test
Setup