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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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