Sony WRR-800A Service Manual page 26

5. RF level indicator/RF indicator check
Procedure
(1) Set the WRR-800A as follows;
Channel setting: Group 00, 6701 channel
(799.250 MHz)
Muting: OFF
(2) Connect the signal generator to the ANTENNA A IN
connector.
(3) Set the signal generator as follows:
Signal generator setting
FREQUENCY (Carrier frequency): 799.250 MHz
RF OUTPUT (Output level): 0 dBuV
MODULATION (Modulation frequency): 1 kHz
DEVIATION (Frequency deviation): ± 5 kHz
(4) Increase gradually the output level from the signal
generator, and check that the output level of the signal
generator is as follows when the RF input level
indicator lights.
RF level indicator (green)
lights in
LCD:
Lighting
LCD:
Lighting
LCD:
Lighting
LCD:
Lighting
(5) Connect the signal generator to the ANTENNA B IN
connector, and perform the procedure (4) above.
3-10
EMF
(= _113 dBm)
Signal generator output level
±5 dB
25 dBuV
EMF
±5 dB
35 dBuV
EMF
±5 dB
45 dBuV
EMF
±5 dB
55 dBuV
EMF
(6) Set the channel setting and FREQUENCY (carrier
frequency) of the signal generator as shown 1 and 2
below.
Perform the procedures (2) through (5) above, for each
channel setting (1 and 2).
1 Channel setting:
Signal generator setting:
FREQUENCY (carrier frequency); 792.250 MHz
2 Channel setting:
Signal generator setting:
FREQUENCY (carrier frequency); 805.500 MHz
Group 00, 6601 channel
(792.250 MHz)
Group 00, 6751 channel
(805.500 MHz)
WRR-800A