Sharp FDD-412A - Page 60

FDD412A/B
4, MAINTENANCE
4.1] Maintenance Items
This FDD has no parts to be replaced or no items to be adjusted on a
periodical basis. Table 4.1 shows the parts and items to be replaced
or adjusted in case of failure.
Table 4.1 Maintenance Items
R k
Common work 1: Top cover
Common work 2: Plate opening/closing
Common work 3: Wire handling and
wire routing
PWB Assembly (FCC 14)
Motor (DD spindle)
Head load solenoid
Bail assembly
al O sensor assembly 4.2.8 61
Protect sensor assembly 4.2.9 ee;
Index sensor assembly 4.2.10
Index LED assembly = re
Microswitch assembly 4.2.12
Center cone assembly . 4.2.13
Plate assembly ; 432.1441
Indicator assembly 4.2.15
Door lock assembly 4.2.16
Door button 4.2.17
FPH-680T assembly 4.2.18
Step motor 4.2.19
Head position (tracking) adjustment 4.3.1
QO track sensor position adjustment 4.3.2
Bail stopper elevation adjustment 4.3.3