Read Sharp VC-MH722HM (serv.man4) Service Manual online
F A/V PWB AND : Remove 1 screw
OPERATION (2) : Remove 2 hooks
Remove the FFC cable (AA, AD, AH)
Take out vertically the mechanism so that it does not
damage the adjacent parts.
PWB have been installed)
Feed the pulley feed gear of loading motor with screw
driver. After ascertaining the return to the initial set posi-
tion (*1) install the cassette housing in the specified
position. (This method is applied only for the mechanism.)
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.
When the cassette housing is installed on the mechanism,
the initial setting is essential condition.
There are two initial setting methods, namely electrical
1. Electrical initial setting
So as to perform initial setting of mechanism execute the
Step 1 of Installation of cassette housing. After ascertain-
ing the return to the initial setting position (*1) install the
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.) Con-
nect again the FFC cable (AA-MH, AD-ME, AH-MZ)
between the mechanism and the main PWB.