Adjustments; How To Remove The Pickup; Mechanism Section Adjustments - Sharp CD-BP2000W Service Manual

CD-BP2000W/210W/2000A/BK2000W/210W
CD MECHANISM SECTION
Perform steps 1, 2, 3, 12, 13, 14 and 15 of the disassembly
method to remove the CD mechanism.
How to remove the loading motor
(See Fig. 14-1)
1. Bend the hooks (A1) x 5 pcs., to remove the loading motor.
How to remove the pickup (See Fig. 14-2)
1. Remove the stop washer (B1) x 1 pc., to remove the gear
(B2) x 1 pc.
2. Remove the screws (B3) x 2 pcs., to remove the shaft (B4)x
1 pc.
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 remove to protect the optical pickup
from electrostatic damage.
MECHANISM SECTION
• Driving Force Check
Torque Meter
Play: TW-2111
• Torque Check
Torque Meter
Play: TW-2111 30 to 80 g. cm
Fast forward: TW-2231 —
Rewind: TW-2231 —
ADJUSTMENT
Specified Value
Tape 1: Over 80 g
Tape 2: Over 80 g
Specified Value
Tape 1
Tape 2
30 to 80 g.cm
70 to 180 g.cm
70 to 180 g.cm
(B3) x2
ø2.6 x6mm
Shaft
(B4) x1
• Tape Speed
Test Tape
Normal MTT-111
speed
TAPE MECHANISM
Variable Resistor in motor
– 14 –
Loading Motor
(A1)x2
CD Base
Figure 14-1
Stop Washer
(B1) x1
CD Mechanism
Gear
(B2) x1
Figure 14-2
Adjusting Specified
Point Value
3,000 ±
Variable
Resistor in 30 Hz
motor.
(MM1)
MM1
Motor
Figure 14-3
(A1)x1
(A1)x2
Pickup
Instrument
Connection
Speaker
terminal
(Load
resistance:
6 ohms)