Adjustment - Sharp CD-XP700 Service Manual

CD-XP700/CD-XP7700
CD MECHANISM SECTION
Perform steps 1, 2, 3, 10, 11,12 and 13 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 6 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 so as 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 —
All manuals and user guides at all-guides.com

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
Loading
Tray
Stop Washer
(B3)x2
(B1)x1
ø2.6x6mm
Shaft
Gear
(B4)x1
(B2)x1
• Tape Speed
Test Tape Adjusting
Normal MTT-111 Variable
speed Resistor in
motor.
TAPE MECHANISM
Variable Resistor in motor
– 14 –
Loading
Loading
Motor PWB
Motor
(A1)x6
Figure 14-1
Pickup
CD Mechanism
Figure 14-2
Specified Instrument
Value Connection
Point
3,000 ± 30 Hz
Speaker
Terminal
(Load
resistance:
6 ohms)
Tape
Motor
Figure 14-3