CD-PC672
– 12 –
MECHANISM SECTION
•
Driving Force Check
Torque Meter
Specified Value
Play: TW-2412
Tape 1: Over 80 g
Tape 2: Over 80 g
•
Torque Check
Torque Meter
Tape 2
Play: TW-2111
30 to 60 g. cm
30 to 60 g.cm
Fast forward: TW-2231
—
60 to 120 g.cm
Rewind: TW-2231
—
60 to 120 g.cm
Specified
Value
Adjusting
Point
Instrument
Connection
Test Tape
Normal
MTT-111
Volume in
3,000
±
Speaker
speed
motor.
30 Hz
terminal
(MM1)
(Load
resistance:
8 ohms)
ADJUSTMENT
Specified Value
Tape 1
•
Tape Speed
TAPE MECHANISM
MM 1
Motor
Volume in motor
How to remove the pickup (See Fig. 12-2)
1. Remove the screws (B1) x 2 pcs., to remove the shaft (B2).
2. Remove the stop washer (B3) x 1 pc., to remove the gear
(B4).
3. Remove the pickup.
Figure 12-2
REMOVING AND REINSTALLING THE MAIN PARTS
CD MECHANISM SECTION
Perform steps 1, 2, 3 and 10-14 of the disassembly method to
remove the CD mechanism.
How to remove the loading motor
(See Fig. 12-1)
1. Remove the screws (A1) x 2 pcs., to remove the loading
motor.
Figure 12-1
( A1 ) x2
ø2.6 x5mm
Loading / Up
/ Down Motor
Motor
PWB
( B1 ) x2
ø2.6 x6mm
Shaft
( B2 ) x1
Stop Washer
( B3 ) x1
Gear
( B4 ) x1
CD Mechanism
Pickup
Note
After removing the connector for the optical pickup from the
connector, wrap the conductive aluminium foil around the
front end of connector to protect the optical pickup from
electrostatic damage.