Sharp CD-JX20X(GY) - Mechanism Section; Tape Section

ADJUSTMENT
As for adjusting method refer to the relevant explanation in
Service Manual “ADJUSTMENT PROCEDURES OF AUDIO
PRODUCTS”.
MECHANISM SECTION
l Driving Force Check
l Torque Check
Torque Meter
Play: TW-2111
Reverse Play: TW-21
Fast Forward: TW-21231
Rewind: TW-2231
Specified Value
Tape 1
Tape 2
30 to 60 g.cm
30 to 60 g.cm
30 to 60 g.cm
30 to 60 g.cm
70 to 140
70 to 140
g.cm
g.cm
70 to 140
70to 140
g.cm g.cm
TAPE SECTION
Position of each switch or control
Volume
Beat cancel
Bass
Tone
Function
FM modenape selector
Max
A
Center
Center
Tape/Stand-by
Stereo/Normal
i
l Bias Oscillation Check
Specified value
Beat cancel
A: 104+77 kHz
B: -4 + 2 kHz for A
C: Same as A
I
l Erase Current Check
Specified value
Resistor for measurement:
Normal: 75 i 30 mV
1 ohm
Cr02: 100 f 30 mV
t . Metal: 175 i 35 mV
l Head Azimuth
Test Tape
Ml-T-114
Instrument Connection
1
Headphones Socket
1 (Load resistance: 32 ohms)
l Tape Speed
*
ohms)
Make adjustments to TAPE 2 (FWD side), and only check
the settings of TAPE 1.
[TAPE mx PWB-DJ
Figure 18-1 REMOVAL OF CASSETTE HOLDER
Figure 18-2 ADJUSTMENT POINTS
-18-