Electrical Adjustments - Sony ST-SE570 Service Manual

ST-SE570
FM Signal Level Adjustment
FM RF signal
generator
Carrier frequency : 98 MHz
Modulation : 1 kHz, 40 kHz deviation
: 6.3 mV (76dB µ )
Output level
(75 Ω open)
Procedure:
1. Tune the set to 98 MHz.
2. Push the DISPLAY button for digital signal meter indication.
3. Adjust RV201 to the place where level and "70dB M" indica-
tion lights on fluorescent indicator tube.
Adjustment Location:
[MAIN BOARD] — Component Side —
8
SECTION 4

ELECTRICAL ADJUSTMENTS

set
FM ANTENNA
75 Ω coaxial
(TB101)
RV201
FM SIGNAL LEVEL
Adjustment
IC201