CD-BA3000H
CD MECHANISM SECTIONCD PlayerLoading Motor
Perform steps 1, 2, 3, 12 and 15 of the disassembly method
Chassis
to remove the CD mechanism.
How to remove the loading motor(A1)x1
(A1)x2
(See Fig. 11-1)
1. Bend the hooks (A1) x 5 pcs., to remove the loading motor.
(A1)x2
2. Remove the drive belt (A2) x 1pc.
Loading
Motor
Pulley
Drive Belt
(A2) x1
Figure 11-1
How to remove the pickup (See Fig. 11-2)
Stop Washer
1. Remove the stop washer (B1) x 1 pc., to remove the gear(B1) x2
(B3) x1
(B2).
ż2.6 x6mm
2. Remove the screws (B3) x 2 pcs., to remove the shaft (B4).
3. Remove the pickup.
Note
After removing the connector for the optical pickup from the
connector wrap the conductive aluminium foil around the front
end of connector so as to protect the optical pickup from
electrostatic damage.
Pickup
CD Mechanism
Shaft
Gear
(B2) x1
(B4) x1
Figure 11-2
ADJUSTMENT
? Tape Speed
MECHANISM SECTION
? Driving Force CheckTest TapeAdjusting SpecifiedInstrument
PointValueConnection
Torque MeterSpecified Value
Normal MTT-111Variable3,000 ? 30 HzSpeaker
Play: TW-2111Tape 1: Over 80 g
speedResistor interminal
Tape 2: Over 80 g
motor.(Load
? Torque Check(MM1)resistance:
6 ohms)
Torque MeterSpecified Value
Tape 1Tape 2TAPE MECHANISM
Play: TW-211130 to 80 g.cm30 to 80 g.cm
Fast forward: TW-2231N70 to 180 g.cm
Rewind: TW-2231N70 to 180 g.cm
Tape
Motor
Variable Resistor in motor
Figure 11-3
� 11 � |
ACEC
SHARP
