Sony MB-806A Service Manual page 12

Error Messages
Apart from the normal indications, the following error
messages may appear on the display.
Message Meaning Remedy
Err 01 An error has occurred in the backup The memory data is initialized. Reset the group and channel
memory data.
settings.
Err 02 The PLL-synthesized circuit has a Contact your nearest Sony dealer.
malfunction.
As no tone signal is available or a
NO TONE Make sure thta the transmitter is turned on. If it is, then the
tone signal other than 32.768 kHz is problem lies in the transmitter's tone signal generator or the
being received, the audio signal tuner's tone squelch circuit. Contact your nearest Sony dealer.
output is muted. If you are using a WRT-810A (AU66) wireless microphone, a
"NO TONE" message appears when you turn off the AF switch,
but this is normal.
Rack Mounting
1
Foot
Pin
Remove the pins inside the feet
with a small screwdriver or similar
tool.
Bottom panel
1
Remove the feet of the tuner before mounting it on
a rack.
2
Mount the tuner on the rack using screws that are
at least 12 mm long and that match the diameter of
the screw holes on the rack.
12 GB
2
Rack
Tuner
Screws
Specifications
Tuner (with WRU-806A)
Reception type F3E
Circuit system Dual conversion superheterodyne
Reception frequencies
CE62 model: 800.000 to
814.000 MHz
CE69 model: 854.125 to
862.000 MHz
AU66 model: 792.250 to
805.500 MHz
Local oscillators Crystal controlled PLL synthesizer
Selectivity 60 dB or more (at ±250 kHz
detuned)
Spurious rejection ratio
70 dB or more
Image rejection ratio
60 dB or more
Muting level 30 dBµ 1)
Antenna connectors
BNC-R type (2), 50 ohms
Frequency response
100 to 15,000 Hz ±3 dB
De-emphasis 50 µsec
Signal-to-noise ratio
40 dB or more at an A-weighted
RF input level of 20 dBµ
60 dB or more at an A-weighted
RF input level of 60 dBµ
(±5 kHz deviation at 1 kHz
modulation)
Distortion 1% or less (±40 kHz deviation at
1 kHz modulation)
Tone signal frequency
32.768 kHz
Output level
LINE –20 dBm 2) (±5 kHz deviation at
1 kHz modulation)
MIC –58 dBm (±5 kHz deviation at
1 kHz modulation)
Mix output level
LINE –20 dBm (±5 kHz deviation at
1 kHz modulation)
MIC –58 dBm (±5 kHz deviation at
1 kHz modulation)
Output impedance 150 ohms
Output connectors XLR-3-12C
.........................................................................................................................................................................................
1) 0 dBµ = 1 µV
2) 0 dBm = 0.775 Vrms (600 ohms loaded)
General
Power requirements
100 to 240 V AC, 50/60 Hz
Power consumption
30 W
Power supply for antenna boosters
9 V DC (max. 100 mA)
Operating temperature
0°C to 40°C
Storage temperature
–20°C to +55°C
482 × 44 × 300 mm (w/h/d)
Dimensions
Mass Approx. 3.6 kg (without tuner
units)
Accessories supplied
AC power cord (1)
Antennas (2)
Operating Instructions (1)
Design and specifications are subject to change
without notice.
13 GB