Chapter 2. Adjustments; Mechanism Section - Sharp CD-MPX870 Service Manual

CD-MPX870
E Market CD-ES700/CD-ES77 Service Manual CD-ES700/CD-ES77

CHAPTER 2. ADJUSTMENTS

CD-ES700/CD-ES77

[1] 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 —
—
• Tape Speed
Test Tape Adjust-
ing Point
Normal MTT-111 Variable
speed Resistor in
motor.
TAPE MECHANISM
Tape
Motor
Figure 1
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
Specified Instrument
Value Connection
3,000 ± 30 Hz
Speaker Ter-
Speaker minal (Load
resistance: 6
ohms)
Variable Resistor in motor
2 – 1