This is the easiest method to remove the Pickup unit.
Solder the flexible harness connected to
connector CN301 on the MD servo board,and
remove it.
Disconnect the harness, card wire and flexible
harness connected to connector CN502, CN503
and CN501 respectively.
CAUTION-Make sure to solder the flexible
harness before disconnecting to
prevent damage to the Pickup unit.
Remove the four screws B attaching the Top cover
assembly.
1.
2.
< Removal of the Pickup unit >
Removing the Top Cover Ass'y
Loosen the two screws D attaching the CL.base
BKT. Ass'y.
Remove the Clamp spring attached to the
Clamper SA.
Push the CL.base BKT.assembly outside and
remove the Clamper SA upward as shown in the
Fig.37.
1.
2.
3.
Removing the Clamper SA
Remove the two screws C attaching the
ACT.motor SA.Disengage the Drive wheel from
the Worm wheel of the Act.motor SA.
Turn the Drive wheel counterclockwise to move
the Pickup unit to the CD position side. After
moving the Pickup unit as shown in the Fig.12,
remove the E ring attaching the Pickup unit. Then,
lift the Media holder SA.somewhat, detach the
Pickup unit with drawing it from the shaft.
After soldering the Flexible harness connected to
connector CN321 in the rear of the Pickup unit,
disconnect the Flexible harness connected to
connector CN311. Then remove the Pickup unit.
1.
2.
3.
3
Removing the Pickup Unit
Fig.37
Fig.38
Fig.39
1
(see Fig.1-3)
2
(see Fig.37,and 8-10)
(see Fig.38,39 and 11-13)
CLAMPER SA
CL.BASE.BKT.Ass'y
CLAMP SPRING
DRIVE
WHEEL
ACT.MOTOR SA
D
MEDIA HOLDER SA
PICKUP UNIT
E RING
DRIVE WHEEL
CAM PLATE Ass'y
GROOVE c
SWING ARM Ass'y
C
Summary of Contents for KD-MX2900R
Page 64: ...Printed circuit boards Main board old type Forward side Main board old type Reverse side ...
Page 65: ...Main board new type Forward side Main board new type Reverse side ...
Page 66: ...MD CD Servo board Forward side Switch board Forward side ...
Page 67: ...MD CD Servo board Reverse side Switch board Reverse side ...