Adjustment; Cd Mechanism Section; How To Remove The T/T Up/Down Motor; How To Remove The Pickup - Sharp CD-BK2100V Service Manual

CD-BK2100V

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 T/T Up/Down motor

(See Fig. 12-1)
1. Bend the hooks (A1) x 5 pcs., to remove the T/T Up/Down
motor.
2. Remove the drive belt (A2) x 1 pc.
How to remove the pickup (See Fig. 12-2)
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
Disc Tray
(B3) x2
ø2.6 x6mm
Shaft
(B4) x1
Tape Speed
Test Tape
Normal MTT-111
speed
TAPE MECHANISM
Variable
Resistor in motor
– 12 –
T/T Up/Down Motor
(A1)x3
(A1)x2
Pulley
Figure 12-1
Stop Washer
(B1) x1
CD Mechanism
Gear
(B2) x1
Figure 12-2
Specified
Adjusting
Value
Point
Variable 3,000 30 Hz
Resistor in
motor.
(MM1)
Motor
Figure 12-3
Motor
Drive Belt
(A2) x1
Pickup
Instrument
Connection
Speaker
terminal
(Load
resistance:
6 ohms)