Sony WRR-802A Service Manual page 5

Uhf synthesized diversity tuner
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UHF Synthesized
Diversity Tuner
Operating Instructions
Manual de instrucciones
Mode d'emploi
Wireless Channel Lists
Listas de canales inalámbricos
Listes des canaux sans fil
WRR-802A
© 1999 by Sony Corporation
English
Owner's Record
The model and serial numbers are located at the rear.
Record the serial number in the space provided below.
Refer to them whenever you call upon your Sony dealer
regarding this product.
Model No. WRR-802A
Serial No.
WARNING
To prevent fire or shock hazard, do not expose the unit
to rain or moisture.
To avoid electrical shock, do not open the cabinet.
Refer servicing to qualified personnel only.
You are cautioned that any changes or modifications not
expressly approved in this manual could void your authority
to operate this equipment.
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3-867-234-11 (1)
US
ES
FR
[U64] [U66] [U68]
Notice for customers in the U.S.A.
Declaration of Conformity
Trade Name :
SONY
Model No. :
WRR-802A
Responsible Party : Sony Electronics Inc.
Address :
1 Sony Drive, Park Ridge, NJ.07656
USA
Telephone No. :
201-930-6970
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions: (1) this
device may not cause harmful interference, and (2) this
device must accept any interference received, including
interference that may cause undesired operation.
Notice for customers in Canada:
Use of Sony wireless devices is regulated by the Industry
Canada as described in their Radio Standard Specification
RSS-123. A licence is normally required. The local district
office of Industry Canada should therefore be contacted.
When the operation of the device is within the broadcast
band, the license is issued on no-interference, no-protection
basis with respect to broadcast signals.
Operation of this device is subject to the following two
conditions: (1) this device may not cause interference, and
(2) this device must accept any interference, including
interference that may cause undesired operation of the
device.
Table of Contents
Precautions ............................................................... 1
Overview ................................................................... 2
Features ................................................................. 2
System Configuration ........................................... 3
Location of Parts and Controls ............................... 4
Front Panel ............................................................ 4
Display .................................................................. 5
Rear Panel ............................................................. 6
Channel Setting ........................................................ 7
Operation .................................................................. 9
Muting Functions ................................................ 11
Error Messages ...................................................... 11
Specifications ......................................................... 12
Wireless Channel Lists ........................................ L-1
Overview
The WRR-802A is a reliable UHF synthesized diversity
tuner for the 800-MHz-band Sony UHF wireless
microphone system which uses the frequency bands
allocated for UHF TV broadcasting.
This unit is designed to enable simultaneous use of multiple
channels when channels are selected according to the Sony
channel plan.
For the selectable wireless channels and frequencies, see
"Wireless Channel Lists" on page L-1.
Features
Phase Locked Loop (PLL) synthesized system
The WRR-802A has a refined phase locked loop (PLL)
synthesizer circuit and covers two UHF TV channels. It
operates on 94 channels over a 12-MHz frequency.
Preprogrammed wireless channel plan for
simultaneous multichannel operation
The WRR-802A has many preprogrammed, easily settable
channels in a simultaneous multichannel operation. One
group allows setting of 94 channels. The unit also has 10
preset groups of channels, each of which permits ,
simultaneous operation of 7, 8, 11, 13 or 19 channels
without the effects of intermodulation.
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Precautions
On operation
• The unit must be used within a temperature range of 0°C to
40°C (32°F to 104°F). Avoid using the unit for extended
periods at extremely high temperatures or placing it in direct
sunlight, especially outdoors because this may damage the
finish of the case. Never install the unit on or near a heat
source, such as lighting equipment or power amplifiers.
• Avoid using in very humid or dusty places, because such
use may shorten the life of the unit.
• To avoid degradation of the signal-to-noise ratio, do not
use the unit in noisy places or in locations subject to
vibration, such as the following:
— near electrical equipment, such as motors, transformers
or dimmers
— near air conditioning equipment or places subject to
direct air flow from an air conditioner
— near public address loudspeakers
— where adjacent equipment might knock against the unit
• Switching lights on or off may produce electrical
interference over the entire frequency range. Position the
unit and the wireless microphones so that interference is
minimized.
• The unit is precisely adjusted at the factory and no
adjustment before use is necessary. Do not touch the
inside of the unit or try to repair it by yourself.
On cleaning
Clean the unit with a dry, soft cloth. Never use thinner,
benzene, alcohol or any other chemicals, since these may
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damage the finish.
Versatile display
A liquid-crystal display provides a variety of information,
including the levels of the reception channels, RF
information and transmitter battery condition.
Space diversity reception system
The WRR-802A provides stable signal reception with
minimum dropout.
Tone squelch circuit for noise elimination
A built-in squelch circuit eliminates noise and signal
interference when the WRR-802A is in signal reception
standby mode.
Compander system
A compander (compressor/expander) system enables
stabilized wireless transmission over a wide dynamic range.
Adjustable audio output level
You can adjust the audio output level by volume.

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