Philips ST-D777ES Service Manual page 15

Stereo and Tuned Level Adjustment
Setting:
FM RF SSG
FM ANTENNA (75Ω)
Modulation : Stereo Standard signal
Output level : 18µV (25dB) (at 75 Ω open)
Procedure:
1. Tune the set to 98 MHz.
2. Adjust RV203 to the point (moment) when the "STEREO" and
"TUNED" indicators will change from going off to going on.
FM Signal Level Adjustment
Setting:
FM RF SSG
FM ANTENNA (75Ω)
Modulation : Stereo Standard signal
Output level : 3mV (76dB) (at 75 Ω open)
Procedure:
1. Tune the set to 98 MHz.
2. Press [DISPLAY] button to display the digital signal, then adjust
RV202 to be display as "Signal 70dB".
Stereo Separation Adjustment
Setting:
set
Procedure:
Signal generator
Output channel
set
L-CH Stereo separation : A – B
R-CH Stereo separation : C – D
The separations of both channels should be equal.
FM RF SSG
FM ANTENNA (75Ω)
Modulation : Stereo Standard signal
Output level : 6mV (76dB) (at 75 Ω open)
FM stereo
Level meter
connection
L-CH
L-CH
R-CH L-CH
R-CH R-CH
L-CH R-CH
level meter
set
LINE OUT
Level meter
reading (dB)
A
B
Adjust RV301 for minimum
reading on Level meter
C
D
Adjust RV301 for minimum
reading on Level meter
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