Sharp CD-DK890N Service Manual download pdf (Page 7)

CD-DK890N

2 – 1

CD-ES700/CD-ES77CD-ES700/CD-ES77Service ManualCD-ES700/CD-ES77MarketE

CHAPTER 2. ADJUSTMENTS

[1] Mechanism Section

• Driving Force Check

• Torque Check

• Tape Speed

Figure 1

Torque Meter Specified Value

Play: TW-2111 Tape 1: Over 75 g

Tape 2: Over 75 g

Torque Meter Specified Value

Tape 1 Tape 2

Play: TW-2111 25 to 85 g.cm 25 to 85 g.cm

FF/REW — 45 to 195 g.cm

BACK TENSION 1.2 to 7.0 g.cm 1.2 to 7.0 g.cm

Test Tape Adjusting

Point

Specified

Value

Instrument

Connection

Normal

speed

MTT-111 Variable

Resistor in

motor.

3,000 ± 90 Hz

Speaker

Terminal (Load

resistance:

6 ohms)

TAPE MECHANISM

Tape

Motor

Variable Resistor in motor

1 2 3 4 5 6 7 8 9 10 11 12 ... 88 89

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Sharp CD-DK890N Service Manual Page 7