HP 7942 Service Manual page 100

$71142"08
TEST
POINT
-12V
+12V
PVAL-H
+5V
+12VP
VOLTAGE.
+5V
~~-PVAL
+12V
-11.4 TO -12.6V
+11.64 TO +12.J6V
~ +2.4V (TYPICALLY 4.0V)
+4 . 85 TO 5. 15V
11.0 TO lJ.OV
NOTE: .,. USE GND TEST POINT VOLT-
METER RETURN WHEN MAKING
VOLTAGE MEASUREMENTS.
2. THE OUTPUT VOLTAGES ARE
NOT ADJUSTABLE.
3. MAXIMUM RIPPLE:
5V SUPPLY: <5OmV P-P
12V SUPPLIES: <Ioamv P-P
Service Information
7942 and 7946
Figure 4-7. UO-FRA4 (Power Supply Assembly A4), Test Points and Voltages
4-31