Tektronix 7704A

Calibration-7704A Service
b . Set t
h
e
P
O
WER switc h to off and discon n ect
all
test

TA BLE 4-2
eq uipment .
P ower Su p ply Tolerance
ε .
Install t he p ower unit in t he instr u ment an d return
t h e P
O
WER switc h to on .
d . Connect t h e p recision DC voltmeter to P in 1 of Ρ 43
on rear of Α 43, H orizo n tal Out p ut boar d ; see F ig . 6-29 .
e . C HE C K-M eter rea d
ing
+155
volts ±5 volts .
f . Disconnect all test eq ui p ment .
P ower Su p ply
Output V oltage
Tolerance
Test P oint
Location
(see F ig . 6-28)
-50 V olt ±0 .20
volt P in
6-
P 32G
-15 V olt ±0 .15
volt P in 1- P 32G
+5 V olt ±0 .10
volt P in 2- P 32G
+15
V
olt ±0
.15 volt P in 4- P 32G
+50 V olt ±0 .50
volt P i n 5- P 32G
Control Ι Ilum
(+5 V L ig h ts)
+0 .2 to -0 .5 volt P in 9- P 32G