JVC UX-M55 Service Manual page 15

Adjustment method
Measuring instructions required for
adjustment
1. AM signal generator
2. FM signal generator
3. Inter mediate frequency sweep generator
4. FM stereo signal generator
5. Low-frequency oscillator
(oscillation frequency 50Hz-20kHz, 0dB output
with 600 ohm impedance)
6. Attenuator (600 ohm impedance)
7. Electronic voltmeter
8. Distortion meter
9. Torque gauge (cassette for CTG-N)
10. Wow & flutter meter
11. Frequency counter meter
12. Test tape
VT712 : For tape speed and wow flutter
VT724 : For reference level
VT702 : For playback frequency
VT702 : For head azimuth adjustment
13. Blank tape
TAPE : AC-225
Measurement conditions
Power supply voltage
AC220~240V(50Hz/60Hz)
Measuring instruments
Radio section
FM 1kHz, 22.5kHz deviation
FM STEREO : 1kHz, 67.5kHz deviation
pilot signal 7.5kHz
AM : 1kHz, 30% modulation
Reference output :
Speaker output 0dBs(2.8V) 8 ohm
PHONES output -10dBs(0.245V)/32 ohm
Cassette amplifier section
Reference output :
Speaker output 0dBs(2.8V) 8 ohm
PHONES output -10dBs(0.245V)/32 ohm
CD section
CD test disc : CTS-1000
UX-M55
1-15