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Data General Corporation lOGC) has prepared this manual for use by OGC personnel and customers as a guide to the proper installation. operation, and
maintenance of DGC equipment and software. The drawings and specifications contained herein are the property of DGC and shall neither be reproduced in
whole or in part without OGC's prior written approval nor be implied to grant any license to make, use, or sell equipment manufactured•n accordance herewith.
5.8
3.
Remove the FCB from the fixed RF cover by unplugging the seven
connectors from the FCB, and unscrew and remove the ground screw
at JS.
4.
Remove the FCB from its standoffs.
S.
Place the FCB on the standoffs.
Replace the ground screw.
6.
Plug the following seven connectors back into the FCB:
Plug
Jl
J2
J4
JS
J6
J7
JS
Description
Drive LED
Logic PCB Jl
Sector Transducer No.
1
sector Transducer No. 2 (Spare)
Ground stud
Home Transducer
Power Supply PCB
J9
Power Supply PCB J3
7.
Replace the front RF cover.
SB:TOR TRANSDUCER
SWITCHING
NOTE
The Sealed Data Module comes with two sector transducers,
neither of which are field replaceable.
If the sector
transducer becomes inoperative, do the following:
1.
Power down the drive and remove the front RF cover.
See Figure
S-13.
2.
Unplug connector J4 from the read/write and clock PCB (see Figure
S-11).
Turn connector J4 180 degrees and replug back into
connector J4.
Rotating the connector 180 degrees activates the
spare sector transducer and deactivates the faulty unit.
3.
If the backup transducer does not work, the entire sealed Data
Module assent:>ly needs to be replaced.
see subsection S.6, Sealed
Data Module Replacement.
4.
Replace the drive front RF cover •
015-000133
S-lS
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Table of Contents
Troubleshooting
