Specifications

(2)
(3)
(4)
Secure switch S7901; use the nut
and lockwasher (k(3) above).
Reconnect the two wires (k(2)
above) .
Replace the chassis cover plate
14).
(b above).
m. Removal of Connectors J7907, J7904,
J7903,
(1)
(2)
(3)
(4)
(5)
J7906, and J7905 (fig. 14 and 15).
Remove the chassis bottom plate
(a above).
Remove and tag wires from the
terminals of the connector being
removed (11 for J7907, 7 for J7904,
9 for J7903, 4 for J7906 and 8 for
J7905).
When removing J7903, remove two
locating pins, two lockwashers, and
two nuts.
When removing J7907, J7904,
J7906, or J7905, remove the two
locating pins, one lockwasher, one
solder lug, and two nuts.
Remove the connector from the
chassis; note the position of pin A
with respect to the chassis.
n. Replacement of Connectors J79078
J7904, J7903, J7906, and J7905 (fig. 14 and
15) l
(1)
(2)
(3)
(4)
(5)
Place the connector in position
(noted when removed).
When replacing J7903 secure it in
place; use two locating pins, two
lockwashers, and two nuts (m(3)
above) .
When replacing J7907, J7904,
J7906, or J7905, secure it inplace;
use the two locking pins, one lock-
washer, one solder lug, and two
nuts (m(4) above).
Remove tags and reconnect the
wires (m(2) above).
Replace the chassis bottom plate
(b above).
o. Removal of Resistor R7917, Diode
CR7901, and Capacitor C7901 (fig. 14).
(1)
(2)
(3)
Remove the chassis bottom plate
(a above).
Unsolder each end of each com-
ponent from the supporting termi-
nal.
Remove the component.
p. Replacement of Resistor R7917,
Diode CR7901, and Capacitor C7901 (fig.
l (1) Place the component in position
between the appropriate supporting
terminals.
(2) Solder the components. (Refer to
paragraph 35.)
(3) Replace the chassis bottom plate
(b above).
q. Removal of Diode CR7902 (fig. 14).
(1)
(2)
(3)
Remove the chaasis bottom plate
(a above).
Remove two wires from the diode.
(Refer to paragraph 35.)
Remove the nut and lockwasher
from the diode stud end and remove
the diode.
r. Replacement of Diode CR7902 (fig.
14) .
(1)
(2)
(3)
Insert the stud end of the diode
through the mounting hole and se-
cure It; use the nut and lockwasher
(q(3) above).
Reconnect and solder the two wires
(q(2) above). (Refer to paragraph
35.)
Replace the chassis bottom plate
(b above).
—
8. Removal of Resistor R7901 (fig. 14).
(1) Remove the chassis bottom plate
(a above).
(2) Remove two wires from the re-
sistor terminals.
(3) Remove the two screws and two
self-locking nuts and remove the
resistor.
t. Replacement of Resistor R7901 (fig.
14).
(1)
(2)
(3)
Place the resistor in position and
secure it; use the two screws and
two self-locking nuts (s(3) above).
Reconnect and solder the two wires
removed in (s(2) above). (Refer to
paragraph 35.)
Replace the chassis bottom plate
(b above).
u. Removal of Switch S7902.
(1) Remove the chassis bottom plate
(a above).
27