Exchange Parts - HP 9020 Service Manual

5-2
Replaceable Parts
Exchange Parts
The computer is repaired at an assembly replacement level. Items most commonly replaced are
exchange parts and are on the Computer Support Division (CSD) exchange program. When an
exchange part fails, it should be returned to CSD for repair, and a rebuilt part should be obtained
for the defective computer. Table 5-1 lists the exchange parts for the computer.
Table 5-1. Exchange Parts
Fig. Index New Rebuilt
No. No. Part Number
Part Number Description
5-2
6
09855-67980 09855-69980 Power Supply Assembly
5-2
-
09855-66571 09855-69571 Display Interface Module
5-10
1 09855-66531
09855-69531 Keyboard Electronics Board
5-10
3 09855-67131
09855-69131 Keyswitch Board
5-3 5 09855-66552 09855-69552
Printer Motor Drive Board
5-6 8 09855-66561 09855-69561 9130K Controller Card
5-9 1 09130-67600 09130-69600 9130K Flexible Disc Drive
5-6
8 09855-66560
09855-69560 Winchester 110 Card
5-6
8 0950-0886 09855-69886 Winchester Disc Controller
5-8 1 09133-67102 09133-69102 Fixed Disc Mechanical Drive
5-8 2 09133-67101 09133-69101 Fixed Disc Electronics Board
5-11 1 09836-66550 09836-69550 98760A Power Supply Board
5-11
2 09836-66540
09836-69540 98760A Sweep Board
5-11 3 09836-66541
09836-69542 98760A Video Board
5-11 4 98760-66573 98760-69573 98760A Alpha/Interface Board
5-11 5 98760-66575 98760-69575 98760A Graphics/Digital Video Board, ASCII
5-11
5
98760-66576 98760-69576 98760A Graphics/Digital Video Board, Katakana
5-5
2 5061-6803
97043-69803 Floating Point CPU
5-5 2 5061-6806 97044-69806
lOP Finstrate (Rev. 3.1)
5-5 2 5461-4232 97040-69232 256K RAM Board
5-5 2 5061-6805 97047-69805 512K RAM Board
5-5 2 5061-7704 97046-69704 1M RAM Board
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