European Rds Adjustment Festival 60/80 (Tuner Unit) - Harman Kardon FESTIVAL 60 Technical Manual

Component Audio System
...European FM ADJUSTMENT Festival 60/80 (TUNER UNIT)
Adjustment Method

European RDS ADJUSTMENT Festival 60/80 (TUNER UNIT)

Adjustment Item
Condition
Equipment
Connection and Set Up
Confirmation Method
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Harman Kardon
1. Discriminator (Fig.2)
Adjust T232 so thaqt leading of DIGITAL VOLT METER reads 0V± 30mV.
Adjust T233 and TU201 so that distortion level reads minimum.
Adjust above both adjustment several times.
2. Multiplex (Fig.5)
Adjust VR251 so that Separation Ratio "Lch to Rch" and "Rch to Lch"
reads maximum and even level.
3. Signal Indicator Sensitivity (Fig.2)
Input signal 97.9kHz, 35.2dBf, 1kHz, 75kHz Deviation.
Adjust VR231 so that Signal (TUN.) Indicator just barely turns on.
Input signal 97.9kHz, 34.2dBf, 1kHz, 75kHz Deviation.
Confirm Signal (TUN.) Indicator turns off.
RDS Adjustment
Set the Function selector to the "FM" position.
DIGITAL VOLT METER
FM SIGNAL GENERATOR and DUMMY ANTENNA (Fig.3)
RDS MODULATOR
2 CHANNEL VOLT METER
OSCILLOSCOPE
2 CHANNEL DISTORTION METER
See Fig.6 see page XX
INPUT: FM ANTENNA TERMINAL
Input 97.9MHz, 37.2dBf, 1kHz, 75kHz deviation and set PS, AF or PTY.
Load Type SSG (W/75ohms Dummy): 60dBuV (SG)=65.2dBf (ANTENNA),
Open Type SSG (W/75ohms Dummy): 66dBuV EMF (SG)+65.2dBf (ANTENNA)
1. PS: A Program Service Name.
AF: A List of Alternative Frequency.
PTY: A Program Type.
P R E L I M I N A R Y R E L E A S E
Festival 60/80
CONTINUED
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