Precautions In Reassembling - Sharp 27DV-S100 Service Manual

27DV-S100
27DV-CS10

PRECAUTIONS IN REASSEMBLING

When the cassette housing is installed on the mechanism, the initial setting is essential condition.
There are two initial setting methods, namely electrical and mechanical.
1. Electrical initial setting
So as to perform initial setting of mechanism execute
the Step 1 of Installation of cassette housing. After
ascertaining the return to the initial setting position
(*1) install the cassette housing. (Conditions: When
mechanism and PWB have been installed)
Pulley feed gear
Installing the mechanism on PWB
Lower vertically the mechanism, paying attention to the
mechanism edge, and install the mechanism with due
care so that the parts are not damaged. So as to fix the
mechanism to the main PWB install two housings. (Fit
the antenna cover to one of them. For other, fix the
vicinity of loading motor and solder joint side of main
PWB.) Connect again the FFC cable (AA-MH, AD-ME,
AH-MZ) between the mechanism and the main PWB.
INSTALLING THE CASSETTE HOUSING
Screwdriver
Tint mark (*1)
END SENSOR
REC TIP SW
22
2. Mechanical initial setting
Feed the pulley feed gear of loading motor with screw
driver. After ascertaining the return to the initial set
position (*1) install the cassette housing in the
specified position. (This method is applied only for
the mechanism.)
Casecon
drive gear
Drive angle of
cassette housing
Parts which need particular care
When installing the mechanism chassis on the PWB
unit, take care so as to prevent deformation due to
contact of mechanism chassis with REC TIP SW.
AE CONNECTOR
START SENSOR
AL CONNECTOR
AD CONNECTOR