Specifications

BELOW CHASSIS
ASSEMBLY
9.
hlg.
1. Mo,nt
the 5
wew te,mlnall"""d, TB2, '" ,hawn.
U,e two
#6-31 screws, two #6 lockwashers and two #6-
32 hex nuts. Under the
lock-
washer
, mount one post
right with ground terminal strip,
TB3. Under the re-
maining "
nut, mount a #6 ground
lug.
10.
j,
Fig. 1.
Mount the fuseholder, XFI, as
shown. Use
rubber washer
against the outside of the chassis under the
wider part of the holder. Slide the
large nut over the fuseholder on the inside of the
chassis. DO NOT
tighten
nut.
11. Fig. 1. Push a
rubber grommet into the 3/8"
hole next to the fuse-
holder.
12.
~g.
1. Mount the convenience outlet, J16, as
shown. Use two #6-
screws, (two #6 lockwasher and two #6-
32 hex nuts.
13.
th
Fig. 1. Mount the 30
mfd, 400 V electrolytic capacitor, C38, as
shown. Use one #6-
32 screw, one #610ckwasher and one #6-
32 hex nut. Note
direction/of positive side.
14. Fig. 1. Mount the
30mfd, 4O0V electrolytic capacitor,
C39, as
shown. Use one #6-
32 screw, one #6 lockwasher and one #6-
32 hex nut. Note
direction of positive side.
(It is the reverse of C38 in step 13 above.
15.
(I)
Fig. 1. Mount
hum bucking potentiometer
, PM,
as shown. Use one
3/8" lockwasher and one
3/8 hex nut. Between the
potentiometer and the
chassis, u
Je one 3/8 pot ~rounding lug.
When tightening potentiometer
, line
up the lu~ with terminal 2. The grounding lug
will eventually be soldered to
this terminal.
16. (\4 Fig. 1.
Mount the following terminal strips as shown. Use one #6-
scre
;J;/)
one #6 lockwasher and one #6-
32 hex nut on each.
The terminal strips
to be mounted in this manner are: three post
, two left
, TB5; two post
, TB6;
two post, TB7; two post
, 188; three post, two right
, TB9; one post6
1eft with
ground)' TBI0; three post
, two
right, TBIl; four post
, TB12; two post
, TB13;
four pos~, 1814; one post left, TB
17; three post
, two
right, TB 18;
one post left
with ground; TB19; on~ post right with ground
, TB20, and two post right
, TB21.
Note:
In addition to Fig. 1,
it will be required to refer to
Fig. 6 in the fol-
lowing mounting procedure in order to settle
such matters as orientation of
terminal boards, keyways on tube sockets, etc.
The wiring which comes later
will be greatly facilitated if, after
mounting each part, the
symbol number of
the part is written on the
bottom of the chassis next to the
part with a crayon
soft pencil.
v(
Fig. 1. Mount the 9
pin miniature tube socket, XV12, as
shown. Use
two #4-
40 screws, two #4
lockwashers, and two #4-
40 hex nuts. Note the
mounti
j9 direction in figure 6.
2. (/)
Fig.
1.. Similar to the above,
mount 9 pin miniature sockets, XVII,
XV5, XV6
, XV7, XV8,
XV9 and X\f10. Use
two 14-40 screws, two #4 lock-
washers, and two #4-
40 hex nuts on each. In each
case)' note the mounting
direction in figure 6.
3.
(J)
Fig. 1. Mount the
3 terminal input jack strip, J8, 9,
10 as shown.
Use four #6-
32.screws, four #6 lockwashers and four #6-
32Iiex nuts. Mount
the 3 hole insulator
between the
chassis and the
input jack strip. (Fig. 10).
4. (J,
Fig. 1. Mount the 3
terminal input jack strip, JIl)' 12,
13, as shown.
Note mounting direction in figure
10 Use
four '6- 32 screws, four #6 lock-
washers and four
16-
32 hex nuts. Mount a 3 hole insulator
between the chassis
and the input Jack strip. (Fig.
10)
5. . ('~i9'
1. Mount
the double pole 2 position slide switch, S3, into the
switch bracket, as shown. Use two #4-
40 screws, two #4 lockwashers and two
#4-40 hex nuts.
6. (~ig. 1. Mount the
switch bracket with the switch (previously
mounted
in step 5) on the chassis, as
shown. Use two #6-
32 screws, two
il6
lockwashers
and tWo #6-
32 hex nuts.
7. (~) Fig. 1. Mount the2 terminal tape output jack strip, J14, 15,
QS shown.
Use four #6-32 screws, four #6 lockwashers and four #6-
32 hex nuts.. Mount a
2 hole insulator between the chassis and the jack strip. 8. (
J) Fig.
1. Mount the 5 screw terminal board, TBl, as shown.
Use two
#6-32 screws, two #6 lockwashers and two #6-
32 hex nuts. Under one of the
lockwashers, mount one post right terminal strip,
TB4.
17. (,
)' F" 1. Mount the
single pole 2 position sl
ide switch, S5, as shown.
Use two \4.-
40 screws, two #4 lockwashers and two #4-
40 hex nuts.
18. ( Fig. 1. Mount the #6 ground lug "
G" with one #6-
32 screw, one
#6 10cKwasher and one #6-32 hex nut. Note position of lug on figure 6.