Radio Shack TRS-80 Service Manual page 76

Section IV
PERFORMANCE TEST
Each of these test conditions should be set-up and noted to
be within the limits specified in Table 2.
T5'
Input +5 Load
+12 Load
·12 Load
1
95VAC
Mox
M" M"
2 128VAC M"
M" M"
3 120VAC M"
M~ Min
4
128VAC
Min Min Min
5 95VAC
Min
Min
Min
TABLE 2. VOLTAGE AND RIPPLE SPECIFICATION
OUTPUT MIN MAX NO LOAD RIPPLE
•
.
,
4.75V 5.25V
50mV
p.p
. "
11.40V 12.60V
l50mV p.p
."
- 11.00V 15,oOV
150mV p.p
• Applies to resistive load only. Not under system operating
conditions.
69