
1-3
WRR-855B
5
(GB)
WRR-855A/855B
1
ANT (antenna) connectors
Connect the two supplied antennas to these connectors.
2
POWER switch
Turns the power ON/OFF.
3
MUTING switch
Turns the muting ON/OFF. The muting level is fixed at
10 dB
µ
.
Note
If you turn off the muting when the tuner is in standby
condition for signal receiving or when the RF input level is
low, noise may be heard or the connected device or speakers
may be damaged. Be sure to operate this switch only after
minimizing the input of the connected device.
4
Mounting screws
Used to secure the WRR-855A/855B to the BTA-801.
For mounting, see “Mounting to a Portable Tuner Mount
Adapter” on page 7.
5
Accessory connector
For the signal and power connections with the BTA-801.
6
GP (group set) button
Press and hold down for at least one second to go to the
group selection mode, and the group number flashes on the
display.
See “Settings” on page 9.
7
CH (channel set) button
Press and hold down for at least one second to go to the
channel selection mode and the channel number flashes on
the display.
See “Settings” on page 10.
8
Liquid-crystal display
On the WRR-855A: When you turn the power ON, the
“HELLO” message appears, then the tuner unit goes to
normal display mode.
On the WRR-855B: When you turn the power ON, the
version number of your tuner (for example “U66”)
appears, then the tuner unit goes to normal display mode.
1: AF GND
2: AF OUTPUT
4: DC +7V
5: GND
Pin assignment
8
1
15
9
6
(GB)
Note
Be sure to check the operating voltage and polarity when
connecting to a power source.
qf
Betacam attachment knob
Used to fix the unit to a Betacam.
For attaching the unit to a Betacam, see page 13.
qg
OUTPUT connector (XLR 3-pin, male)
Supplies audio signals. You can connect this to the
microphone input connector of a Betacam, mixer, tape
recorder or other similar equipment.
Note
When connecting to an audio mixer which has a Phantom
powering capability for microphones, it is recommended to
use the mixer with the Phantom power OFF.
Parts Identification
Pin assignment
1: GND
2: HOT
3: COLD
Pin assignment
1: GND
2: NC
3: NC
4: +12 V
2
3
4
1
2
3
4
1
9
+ button /
0
– button
Press to select the group and channel numbers to be
received.
See “Settings” on pages 10 and 11.
qa
AF (audio frequency level) indicator
Lights when an audio signal greater than the reference level
is output.
qs
RF (radio frequency input level) indicator
Displays the strength of the input signal.
Lights in green: Higher than 25 dB
µ
Lights in red: 10 to 25 dB
µ
Goes off: Lower than 10 dB
µ
BTA-801 Portable Tuner Mount Adapter
(Optional)
qd
DC 12V IN (power input) connector
Connect to an external power supply (DC 10 to 17 V) of a
Betacam using the DC power cable supplied with the
BTA-801.
1
2
3
7
(GB)
Preparations
WRR-855A/855B
BTA-801
Mounting to a Portable Tuner Mount
Adapter
This section shows you how to mount the
WRR-855A/855B to the BTA-801 Portable Tuner Mount
Adapter for example.
By properly mounting the WRR-855A/855B to the
BTA-801 and attaching the two supplied antennas, a
weatherproof structure is obtained.
Before mounting
Be sure to clean the abutting surfaces of the
WRR-855A/855B and the BTA-801 before mounting.
Procedure for mounting to the BTA-801
1
Observing the direction, insert the WRR-855A/855B in
the BTA-801.
2
Push the WRR-855A/855B until the accessory connector
clicks into place.
3
Run in the four mounting screws little by little in turn to
gradually secure the units together, then tighten them.
8
(GB)
DC power cable
(supplied with the BTA-801)
Match the connector pins
with the connector inside
and insert.
To remove:
Pull the metal part of the connector in the
direction of the arrow and remove.
BTA-801 (bottom)
2
Turn to lock.
1
Align the protruding part
of the connector with the
antenna slot.
Preparations
Connecting the Power Cable
Connect the DC 12 V IN connector of the BTA-801 to the
DC OUT connector of a Betacam-series Camcorder using
the DC power cable supplied with the BTA-801.
Attaching the Antennas
Attach the supplied antennas to the two ANT connectors.
Содержание WRR-855B
Страница 1: ...UHF SYNTHESIZED TUNER UNIT WRR 855B SERVICE MANUAL 1st Edition Revised 2 ...
Страница 4: ...2 WRR 855B 8 Schematic Diagrams TUN 8 8 1 CPU 342 8 8 DP 236 8 10 SW 814 8 10 ...
Страница 10: ...1 6 WRR 855B Sony Corporation Printed in Japan ...
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Страница 67: ...7 1 WRR 855B 7 1 Section 7 Board Layouts ...
Страница 68: ...7 2 WRR 855B 7 2 TUN 8 Suffix 11 TUN 8 Suffix 11 TUN 8 A SIDE SUFFIX 11 TUN 8 B SIDE SUFFIX 11 ...
Страница 69: ...7 3 WRR 855B 7 3 TUN 8 Suffix 22 TUN 8 Suffix 22 TUN 8 A SIDE SUFFIX 22 TUN 8 B SIDE SUFFIX 22 ...
Страница 70: ...7 4 WRR 855B 7 4 CPU 342 Suffix 11 CPU 342 Suffix 11 CPU 342 A SIDE SUFFIX 11 CPU 342 B SIDE SUFFIX 11 ...
Страница 71: ...7 5 WRR 855B 7 5 CPU 342 Suffix 21 CPU 342 Suffix 21 CPU 342 A SIDE SUFFIX 21 CPU 342 B SIDE SUFFIX 21 ...
Страница 83: ......
Страница 84: ...Printed in Japan Sony Corporation 2006 6 16 2001 WRR 855B U CE E 9 976 898 03 ...