IBM 3191 Manual

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IBM 3191 Display Station
Problem Solving Guide 2
Flemoval, Replacement, and
flacking
Call the IBM Service/Exchange
Communication Center (S/ECC) for
service .
(Dial 1-800-428-2569.)
Before making a call, be prepared to give:
• Machine type
• Serial number and part number of the
defective element
• Problem Symptom
• Host Computer Type
• Your phone number, address, and zip code
( TYPE 3191 SIN
xx-xx,&]
Serial number
The IBM Service/Exchange
Communication Center (S/ECC) will verify
your warranty and maintenance agreement
status, and tell you how to obtain a
replacement part.
Video Element ----------- Page 2
Keyboard ---------- - ------ Page 7
logic Element ------ - ----- Page 9
Packing Instructions ----- Page 15
3A
18·2456-1
=ile No. 3270/4300-09
1
Video Element Removal
Read page 1 before doing these steps.
1. Set the power switch to
a
(Off).
2. Unplug the power cord at both ends.
:
3. Unscrew and pull out all cables from the
logic element.
4. Turn the display station upside down so that
the screen faces you.
(Continued on next page.)
2