9825AiB
Replaceable Parts 8-1
Chapter 8
9825A1B
Replaceable Parts
Field Repair Philosophy
The
9825
mainframe assemblies are divided into three repair catagories:
C =
Component
Repair
X=
Exchange
Assembly
Description XCR
Case Parts
Power
A51
Processor
All
A12
Memory
A05
A12
A22
A23
A24
A25
98210A
98211A
98212A
98213A
98214A
98215A
98216A
98217A
98224A
98228A
Internal
Peripherals
A33
A41
A61
A71
Printer
Transport
Keyboard
Keyboard
Covers, wire harnesses, ribbon cable
assemblies not part of
PC boards, air filter,
fasteners, fan, power switch, and other
mechanical items
Power Module
Power Supply
9825A/S Processor Assembly
9825B/T Processor Assembly
9825A/SSystem
ROM
Assembly
ROM
Interface Assembly
9825A/S 8K Byte
RWM
Assembly
9825A/S 16K Byte
RWM
Assembly
9825B/T 24/32K Byte
RWM/ROM
Assembly
9825T
32K Byte
RWM
Assembly
9825A
Option
ROM
Strings-Adv. Prog.
9825A/B
Option
ROM
Matrix
9825A
Opt.
ROM
9862 Plotter-Gen.
110
9825A Opt.
ROM
Gen. 1/0Ext. I/O
9825A Opt.
ROM
9862-Gen. 1I0-Ext.1I0
9825A Opt.
ROM
9872 Plotter-Gen.
110
9825A Opt.
ROM
9872-Gen. 1I0-Ext.1I0
9825A1B Opt.
ROM
9885 Flex
Disc
Dr.
9825A/B Opt.
ROM
Systems Programming
9825T
Opt.
ROM
9885/9895 Flex
Disc
KDP
Assembly
Single Line Display Assembly
Tape Control Logic Assembly
110
Interface Assembly
Thermal Printer Assembly
Tape Transport Assembly
Keyswitch Assembly (New style)
Keyswitch Assembly
(Old style)
R
R
X
X
X
X
R
X
X
X
X
R
R
R
R
R
R
R
R
R
R
X
X
X
R
C
X
C
R
R=Replace
Comments
Should be replaced as
an assembly.
Component
repair
is
not recom-
mended.
Without large metal heat
sink.
With hinges/spacers.
With hinges/spacers.
Without hinges/spacers
Without hinges/spacers
Without hinges/spacers
Without hinges/spacers
KDP
Chips
and
speaker
may
be
component level
repaired
With hinges/spacers.
Fuse may
be
replaced.
Without sheet metal.
EaT/BOT
Lamp may
be
replaced with
kit.
Keyswitches and Shift
Lock LED
Replace with new style
I
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