98750
Replacement
Parts
8-1
Chapter 8
Replaceable Parts
Repair Philosophy
Most
98750A
repairs are
done
by replacing the faulty assembly. The old assembly
is
returned
for repair
in
some
cases (exchange program)
and
is
thrown away
in
others.
In
a few cases, a
faulty assembly can
be
repaired to the
component
level either on-site
or
at the local field office.
This procedure
is
recommended
only when replaceable
components
are not soldered in
or
when the probability of inducing further damage
in
the course of doing the repair
is
minimal.
All
components
which may
be
replaced by the CE are listed as level 2 parts
under
the assembly
part
number
in
the parts lists. Other failures should
be
repaired
at
the assembly level.
All
exchange parts are
noted
as such
in
the parts lists.
Table
1:
Replaceable
Parts
List
Assembly
Reference
CD
HP
TQ
Description
Level
Designator
Part
No.
1
6
0960-0480 1
TripIer
I
4
0':11;45-26576
2
CRT Interface PC board
1
4
09845-61671
1
Intensity Control Cable
1
5
09845-61672
1
Tube
Socket Cable
1
A71
3
0984566571
1
Motherboard
1
A72 4
09845-66572
1
Power
Transistor Assy
2
Q4
5
1826-0169
1
Voltage Regulator -
LM320K-15
2
Ql
H 1826-0203 I Voltage Regulator - 7815KC
2
Q2.3
H 1853-0305
2
TranSistor - 2N5875
2
Q6 7
18540518
1
Transistor·2N5877
2
Q5 8
1854-0783 1
Transistor - 2N6583
1
A73 5
09845-66573
1
Display Logic
Assy.
- New
1
09845-69573 Display Logic
Assy
- Exchange
1
A74 6
09845-66574
1
CRT Analog Assy
- New
2 09845-69574 CRT Analog Assy
~
Exchange
1
A75 7
09H45-66575 1
High Voltage Assy - New
3
09H45-69575 High Voltage Assy
Exchange
1
A77
9
09845-66577 1
Graphics
Scanner Assy
- New
5
09845-6%
77
Graphics
Scanner Assy
- Exchange
1
A79
1
09845-66579
1 Graphics Control Assy - New
7
09845-6%79
GraphiCS
Control Assy
- Exchange
1
0 09845-67972 1 CRT Yoke Assy
I
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