J C R V G T; Dc Motor Assembly; Headstack Assembly; Rotary Positioner Assembly - Maxtor D740X-6L 20.0 AT Product Manual

This chapter describes the operation of Maxtor D740X-6L hard disk drives' functional
subsystems. It is intended as a guide to the operation of the drive, rather than a detailed
theory of operation.
   / # : 6 1 4 &    :  . & 4 + 8 ' / ' % * # 0 + 5 /
This section describes the drive mechanism. Section 5.2 describes the drive
electronics. The Maxtor D740X-6L hard disk drives consist of a mechanical assembly
and a PCB as shown in Figure 5-1.
The head/disk assembly (HDA) contains the mechanical subassemblies of the drive,
which are sealed under a metal cover. The HDA consists of the following
components:
• B a s e c a s t i n g
• D C m o t o r a s s e m b l y
• D i s k s t a c k a s s e m b l y
• H e a d s t a c k a s s e m b l y
• R o t a r y p o s i t i o n e r a s s e m b l y

• Automatic actuator lock

• Air filter
The drive is assembled in a Class-100 clean room.
$ # 5 + % 2 4 + 0 % + 2 . ' 5 1 ( 1 2 ' 4 # 6 + 1 0
T o ensure that the air in the HDA remains free of
% # 7 6 + 1 0
contamination, never remove or adjust its cover and
seals. Tampering with the HDA will void your
warranty.
Maxtor D740X-6L 20.0/40.0/60.0/80.0GB AT

% J C R V G T 

5-1