Radio Shack TRS-80 Service Manual page 41

3.16
ELECTRONIC
MODULE
ASSEMBLY
(Figure
3-8H)
REFERENCE
ASSEMBLY
PART
NUMBER
DESCRIPTION QTY
25
63779103-5001
Electronic
Module Assembly
Note:
This
assembly
includes items
1
through
14.
1
1
63780121-5001 Frame Assembly
1
2
3620001 8-2008 Mounting Bumper
4
3
63703153-2001
Board
Standoff 2
4 36000000-0002
Grommet
Strip
.2
ft.
5
63779108-4001
Transformer
Assembly and
Harness
1
6
34000351-2037
Screw,
M4
x
8
mm
Lg.,
Pan
Hd.
Phillips
2
7
34000455-2006
Washer,
Split Lock,
M4
2
8
34000452-2006
Washer,
Flat,
M4
2
9
34932007-2001
Washer,
Flat,
#8
2
10
34838007-2001
Washer,
Split Lock,
#8
2
11
34732007-2001
Nut, Hex,
#8
2
12 22938000-1001
Capacitor,
9300
uf,
50V
1
13 22558001-1001
Capacitor,
550
uf,
25V
1
14
39690010-2009
Cable
Strip
2
A.
FUNCTION
The
electronic
module assembly houses
the electronics
in
the
printer.
For
a detailed functional description of the
components
(transformer, capacitors,
etc.) in
the
module
assembly,
refer to
Section
2,
THEORY
OF OPERATION.
B.
REMOVAL/REPLACEMENT PROCEDURE
TOOLS
REQUIRED:
Phillips
Head
Screwdriver
MOUNTING
HARDWARE
(HAROWARE
KIT)
(i
*i;''*g*J>
Figure 3-8H.
ELECTRONIC
MODULE
ASSEMBLY
3-25