Sony WRT-807B, Service Manual

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1-6
WRT-807B (U/CE)
15
(GB)
Standar
d frequenc
y
response
Standar
d directivity
response
Err
or Messa
g
e
s
When a problem occurs, one of the following error messages may appear on the display
.
20 dB 10
0
–
10
–
20
–
30
20
50
100
200
500
1k
2k
5k
10k
20k
Hz
0
d
90
d
180
d
0
d
180
d
90
d
100 Hz 1 kHz 6 kHz
0
d
30
d
30
d
60
d
60
d
90
d
90
d
120
d
120
d
150
d
150
d
180
d
0dB
–
5
–
10
–
15
–
20
Messa
g
e
Contents
Measures
Error 1
1
An error occurred in backup memory data.
The data was initialized. Set the transmitting channel and the input attenuation again.
Error 21
The PLL
synthesized
circuit is in trouble.
Contact your Sony dealer
.
Error 31
The battery voltage exceeds the allowable value.
Use the specified battery
.
Error 41
Defect of an internal circuit.
Error 51
Defect of the A/D converter circuit.
Error 61
Defect of an internal circuit.
Contact your Sony dealer
.
Specifications
Sony Corporation
Printed in Japan