Sharp CS-4194H Service Manual page 5

8. Servicing
(1) Apply grease to the upper case key hole.
At first, spray the silicon spray to keyboard of upper case from back side
(All keys).
• Grease application to one position:
• Grease application to two positions: 0, , CE (3 keys in total)
• Grease application to three positions:
PART NAME
GREASE "EM-10L"
(2) Apply grease to key and 0 key finger.
pper case ri
ey i ger
pper case ri
– = (1 key)
(1 key)
PART CODE
UKOG-1014CCZZ
ey top si e
Apply Moricoat
grease"EM-10L"
ey top si e
CS-4194H Servicing
– 5 –
(3) Insertion of SL-SW roller into the shaft
When inserting the ass'y into the SL-SW slider, allow a clearance
between the rib and the SL-SW roller. (Refer to the figure above.)
(4) Insulation sheet (Big) attachment
Attach the insulation sheet as shown in the figure below in order to pro-
tect the flat cable from the screw head on the key PWB.
a a
n a i n
Bi
A a
a
in a d fr m
Main PWB
PWB
n a i n Bi
Main PWB
PWB
in a i n
f a a i
r w.
a a
r w