1.
2.
3.
4.
Remove the two screws I attaching the FPC.holder
and MC 2 mechanism board, and remove the FPC
holder.
Solder the Flexible harness connected to connector
CN321 as shown in the FIg.27.
CAUTION-Make sure to solder the Flexible harness
before disconnecting to prevent damage to
the Pickup unit.
Tear the adhesive tape fixing the harness outgoing
from the Spindle motor.
Shift the MC2 mechanism board in the direction of
the arrow and remove it from the Tra.mecha chassis
Ass'y.
FPC HOLDER
TRA.MECHA.
CHASSIS Ass'y
SOLDERING
MC 2 MECHANISM BOARD
ADHESIVE TAPE
Fig.27
S.SHAFT SPRING
PICKUP UNIT
FEED MOTOR SA
SWING SPRING
CAM PLATE Ass'y
Fig.28
RACK
SPRING
PICKUP UNIT
THRUST SPRING
S.SHAFT SA
Fig.29
< Removal of parts for the Tra.Mecha.SA >
Removing the MC 2 Mechanism Board
(see Fig.27)
Removing the Pickup unit
(see Fig.28 and 29)
1.
2.
3.
4.
5.
6.
7.
Remove the Swing spring and Cam plate assembly.
Remove the one screw J and detach the S.shaft spring.
Remove the Feed motor SA.
Remove the Pickup unit from the Pickup base. (At this time,
move the Pickup SA. to the CD side)
Remove the one screw K and detach the Thrust spring.
Remove the two screws L and detach the Rack spring.
Turn the S.shaft SA. in the direction of the arrow and draw it
from the Pickup unit.
Only the aluminous die-casting of the
Pickup unit should be touched.
The Pickup lens must be protected
against damage.
Do not unsolder the Pickup wire until all
wiring of the MD servo board is
completed.
1.
2.
3.
CAUTIONS-
Содержание KD-MX2900R
Страница 50: ...1 2 3 1 Vout 2 GND 3 Vin VREF 2 GND 1 VOUT VIN 3 S 81332HG KC X IC491 Regulator 1 Pin layout 2 Block diagram ...
Страница 53: ...1 2 3 IN B IN A Vss 5 4 VDD OUT X A B Vcc GND Y TC7S08F W IC330 Buffer 1 Pin layout 2 Block diagram ...
Страница 54: ...1 2 3 4 8 7 6 5 Vcc G Y1 A2 G A1 Y2 GND TC7WT241FU X IC471 472 Buffer 1 Pin layotu Blocl diagram ...
Страница 64: ...Printed circuit boards Main board old type Forward side Main board old type Reverse side ...
Страница 65: ...Main board new type Forward side Main board new type Reverse side ...
Страница 66: ...MD CD Servo board Forward side Switch board Forward side ...
Страница 67: ...MD CD Servo board Reverse side Switch board Reverse side ...