Read Sharp ER-A750 (serv.man3) Service Manual online
10. ER-03MB & ER-04MB
1) Remove the top cabinet.
2) Attach the spacers
1
,
2
and
3
to the memory PWB.
Fig. 8
3) Connect the memory PWB to the main PWB.
4) Fix the memory PWB to the main PWB with a screw
4
.
Fig. 9
11. Precautions in installing optional
RAM PWBs
1. Background
The ER-03MB and the ER-04MB are available in two versions - old
and new.
and new.
(1)
150ns access time (Not marked with "
|
")
(2)
120ns access time (Marked with "
|
")
These two versions can be identified, one from the other, by whether
or not the "
or not the "
|
" mark is stamped on the white background as shown in
Fig. 1 and by the marking on the case. (See Fig. 1.)
PWB marking
Packing case
1
2
3
4
4
(ER-03MB/04MB PWB Face side)
Imprint " " on this white area.
CE
Imprint " " on the right side of the
model rabel.
model rabel.
Indivi dual case
– 4 –
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