probe is connected to the ground
O volt dc; then slowly increase it.
of the TS-382F/U.
Observe the voltage on the TS-
443/U when a sudden drop in the
(d) Adjust the TS-382 F/U for an out-
voltage measured by the ME-26B/
put of 225 millivolts (rev) at 1,000
c p s as indicated on the ME-
U indicates G R E E N indicator
30B/U.
DS7902 has switched on and a
(2) Adjust potentiometer R7406 for an
sudden rise in voltage indicates
indication of approximately +2 volts
G R E E N indicator DS7902 has
dc on the ME-26 B/U (connected to
switched off. The GREEN indicator
P7801-H).
should switch on when the ME-
( 3 ) Carefully adjust potentiometer
443/U indicates 10.5 volts and
R7406 until a sudden drop in volt-
switch off at 13.0 volts.
age on the ME-26B/U indicates
(11) If necessary, readjust potentiom-
G R E E N indicator D67902 has
eter R7803 and R7801 to assure the
switched on.
conditions given in (10), above.
(4) Reduce the TS-382F/U output to
0 mv, then slowly increase it; ob-
equipment as shown in figure 24.
(1) Reduce the 721A output to 0 volt dc.
serve the voltage on the ME-30B/U;
a sudden drop in voltage measured
(2) Turn the TS-1777/VRM-l selector
switch S7902 to position A.
by the ME-26B/U indicates that
(3) Raise the 721A output to 14.2 volts
G R E E N indicator DS7902 has
dc as indicated by the TS-443/U.
switched on, The indication on the
(4) Measure the dc voltage at connector
ME-30B/U should be 225 mv.
P 7 8 0 1 - H with the ME-26B/U;
(5) If necessary readjust potentiom-
adjust potentiometer R7501 on
eter R7406 to assure the condition
A7500 for an indication of approxi-
given in (4) above.
mately +2 volts dc.
f. Circuits 5.65-mc.
(5) Carefully adjust potentiometer
(1) Remove the TS-382F/U and the
R 7 5 0 1 until GREEN indicator
M E - 3 0 B / U from the TS-1777/
DS7902 switches on indicated by a
VRM-l test probe.
sudden drop in voltage measured at
(2) Turn the TS-1777/VRM-l selector
P7801-H.
switch to position 15.
(6) Reduce the 721A output to 0 volt dc;
(3) Connect the Hf Signal Generator
then slowly increase it. Observe
606A and the Rf Millivoltmeter
, the voltage indication on the TS-
411A to the TS-1777/VRM-l test
443/U when a sudden drop in mon-
probe. Make sure the ground lead
itor voltage measured by the ME-
of the test probe is connected to
26 B/U occurs, which indicates
the ground of the 606A.
that GREEN indicator DS7902 has
(4) Adjust the 606A for an output of
switched on. The indication on the
5.65 mc at 220 mv as indicated on
TS-443/U should be 14.2 volts.
the 411A.
(5) Adjust potentiometer R7708 for an
(7) If necessary, readjust R7501 to
assure the condition given in (6)
indication of approximately +2 volts
above.
dc on the ME-26 B/U (connected to
e. Audio Circuits (fig. 22 and 33).
P7801-H).
(1) Connect the equipment as shown in
( 6 ) Carefully adjust potentiometer
R7708 until a sudden drop in the
(a) Turn the TS-1777/VRM-l se-
voltage measured by the ME-26 B/U
lector switch to position 10.
indicates that GREEN indicator
(b) Connect the TS-382F/U and the
DS7902 has switched on.
M E - 2 0 B/U to the TS-1777/
(7) Reduce the 606A output to 0 mv;
VRM-1 test probe.
then slowly increase it. Observe
(c) Make sure the ground lead of the
the indication on the 411A; a sudden
35
