Zenith Z-100 Series, User Manual

Page: 92 / 150

Page 3-2
Modifications
T here are s everal m o d i f i c a t i on s y o u m a y h a v e t o
make as you i n s t al l t h e W i n c h e ster System. T h e se
could include:
A ll o f t h e p a r t s r e q u i re d t o r e p l ac e th e RO M a n d
PAL IC's, and to m o d i f y t h e m ai n c i r c u i t b o a rd, are
included w i t h t h e W i n c h e ster con t r o l ler p a r ts. De-
termine wh ich m o d i f i c a t i ons the Computer needs by
performing the "Replacement Tests."
I f the co m p u ter i s a n A l l - i n - On e M o d e l w i t h s t a n -
dard dr i v es, p r oceed t o t h e i n s t r u c t i on s t ha t b e gin
o n Page 4-1. If the com p u ter is a L o w - Prof il e M o d e l
with standard drives, proceed directly to Page 5-1.
Replacing the power supply.
Replacing the ROM and PAL IC's,
Modify ing the main cir c uit board.
Replacing several cabinet parts.