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3-6
MB-806A (CE)
WRU-806A (CE, AU)
Switch and Control Setting
Front panel (Tuner
[1]
)
Channel setting:
CE62 model; Group 00, 6301 channel (806.125 MHz)
CE69 model; Group 00, 6933 channel (858.125 MHz)
AU66 model; Group00, 6701 channel (799.250 MHz)
Muting: OFF
Rear panel
ATT (ANTENNA A, B) switch: 0 dB
Procedure
Step 1:
Preparation
Set the signal generator as follows:
Signal generator setting
FREQUENCY(carrier frequency):
CE62 model;
806.125 MHz
CE69 model;
858.125 MHz
AU66 model;
799.250 MHz
RF OUTPUT (Output level): 60 dB
u
V
EMF
(=
_
53 dBm)
MODULATION (Modulation frequency): 1 kHz
DEVIATION (Frequency deviation):
±
5 kHz
Step 2:
Tuner
[1]
(Tuner unit 1) adjustment
n
The adjustment procedures describe that the WRU-806A
(to be adjusted) is installed into the Tuner
[1]
slot on the
MB-806A.
(1) Connect the audio analyzer to the TUNER OUTPUT 1
connector via MIC amp.
(2) Connect the signal generator to the ANTENNA A IN
connector with DC cut fixture.
(3) Adjustment (ANTENNA A IN side adjustment)
Specification: Output level (level meter indication
level) =
_
21 dBm
±
0.5 dB (at 600
Z
loaded)
Adjustment:
1
RV202/RF-92 board (Tuner unit 1)
(4) Connect the signal generator to the ANTENNA B IN
connector with DC cut fixture.
(5) Adjustment (ANTENNA B IN side adjustment)
Specification: Output level (level meter indication
level) =
_
21 dBm
±
0.5 dB (at 600
Z
loaded)
Adjustment:
1
RV201/RF-92 board (Tuner unit 1)
n
The output level difference between the ANTENNA
A side and the ANTENNA B side should be within
0.3 dB.
Step 3:
Tuner
[2]
to
[6]
adjustment
When the WRU-806A Tuner Unit is installed in the Tuner
[2]
(Tuner unit 2) to Tuner
[6]
(Tuner unit 6) of the MB-
806A, perform the adjustments from procedures (1) to (5)
of “Step 2. Tuner
[1]
(Tuner unit 1) adjustment” on the
respective tuner units that are installed in the MB-806A.
When performing the above described adjustments change
the following details as shown below of the “Step 2. Tuner
[1]
(Tuner unit 1) adjustment.”
Tuner
[1]
adjustment
→
Tuner
[2]
,
[3]
,
[4]
,
[5]
, or
[6]
adjustment
Measurement:
TUNER OUTPUT 1
→
TUNER OUTPUT 2, 3, 4, 5, or 6
Adjustment:
Tuner unit 1
→
Tuner unit 2, 3, 4, 5, or 6
Step 4:
After completing adjustment, turn off the MB-806A power
switch and perform the followings.
(1) Remove the WRU-806A Tuner Unit to be adjusted
from the MB-806A.
(2) Attach the upper side case lid to the tuner unit, and
insert the WRU-806A Tuner Unit to be adjusted to the
slot of the MB-806A.
Содержание MB-806A
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