Sony WRR-805A Service Manual page 5

UHF Synthesized
Portable Tuner
Operating Instructions
Bedienungsanleitung
Manual de instrucciones
Wireless Channel Lists/ Übertragungskanallisten/
Listas de canales inalámbricos
WRR-805A
© 1999 by Sony Corporation
English
Table of Contents
Overview ............................................................................. 1
Wireless Channels Selectable ........................................ 1
Features .......................................................................... 2
Precautions ......................................................................... 3
Parts Identification ............................................................ 4
Power Supply ..................................................................... 6
Settings ................................................................................ 8
Wireless Channel Selection ........................................... 8
Resetting the Accumulated Time Indication ............... 11
Connections ...................................................................... 11
Microphone System Operation ...................................... 12
Muting Functions ......................................................... 12
Error Messages ................................................................ 13
Use of the Soft Case ......................................................... 14
Specifications .................................................................... 15
Wireless Channel Lists .................................................. L-1
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[CE62] [CE69]
Overview
The WRR-805A is a highly reliable portable tuner for the
800 MHz band Sony UHF wireless microphone system to
be used for broadcast or movie production purposes.
This tuner is suitable for Electronic News Gathering (ENG)
and Electronic Field Production (EFP).
Wireless Channels Selectable
The microphone/transmitter and tuners of the wireless
microphone system are classified by frequency band.
A 14-MHz frequency band (or two consecutive-numbered
TV channels, such as 62 and 63 of the WRR-805A/CE62
model) or an 8-MHz frequency band (or TV channel 69 and
UK General Use) is assigned to each microphone/
transmitter and tuner model.
In building a UHF wireless microphone system, be sure to
combine a microphone/transmitter and a tuner having the
same TV channel number.
CE62 model
A 14-MHz frequency band is assigned to the WRR-805A/
CE62 model, permitting it to operate on any of 111 carrier
frequencies in 125-kHz steps of Sony original channel plan
or 561 carrier frequencies in 25-kHz steps of German User
Groups in the range of TV channels 62 and 63.
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For the selectable channels, see "Wireless Channel Lists" on
page L-1 to L-14.
CE69 model
An 8-MHz frequency band is assigned to the WRR-805A/
CE69 model, permitting it to operate on any of 64 carrier
frequencies in 125-kHz steps of Sony original channel plan
or 14 carrier frequencies in 25-kHz steps of UK General
Use.
For the selectable channels, see "Wireless Channel Lists" on
page L-1 to L-3 and L-15 to L-16.
Features
Phase Locked Loop (PLL) synthesized system
The WRR-805A has a refined phase locked loop (PLL)
synthesizer circuit.
Preprogrammed wireless channel plans for simultaneous
multi channel operation
The WRR-805A has many preprogrammed channel groups,
meaning combination of wireless channels to permit
simultaneous operation of multiple channels without
intermodulation.
Any available group and channel can be selected with a
simple button operation.
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Saved channel setting
The unit stores the channel setting when it is turned off. The
saved settings are retained even if the batteries are removed.
Therefore, when using the unit next time, you need not
make the same settings again.
Wide dynamic range
The compander (compressor expander) system enables
stable reception over a wide dynamic range.
Output monitoring
The audio output can be monitored through headphones
(either of stereo or monaural). The monitoring level is
adjustable.
Muting switch for noise elimination
Compact and lightweight
Mounting technology and the versatile soft case enable this
compact and lightweight tuner, which lets you move
anywhere for Electronic News Gathering (ENG) and
Electronic Field Production (EFP).
Remote battery alarm from transmitter
This tuner has capability of receiving "Battery status
information" from the transmitter WRT-805A/822A to
make advance warning of battery depletion.
The information is sent in approx. one hour advance to
battery exhaust so that you can safely replace the batteries of
the transmitter.
Operation powered by easily available batteries
The built-in high efficiency DC-DC converter allows stable
operation, for about 6 hours continuously, with two LR6
(size AA) alkaline batteries.
LCD for coordinated operation control
The built-in CPU controls operation of the unit, including
the PLL circuit function. The LCD shows the current
channel number/frequency, the residual battery power, AF
output level and RF input level.
An accumulated operation time indication is also provided for
simple control of the time of battery use (in one-minute
increments).
Precautions
•
The unit is designed for use in ambient temperature range
of 0°C to 50°C (32°F to 122°F).
•
Do not place the unit on or near heat sources, such as
lighting equipment, power amplifiers, or in a place subject
to direct sunlight or excessive moisture. In such places,
the external finish or internal parts of the unit may be
damaged.
•
If the unit is used in a very humid or dusty place or in a
place subject to an active gas, clean its surface as well as
the connectors with a dry, soft cloth soon after use.
Lengthy use of the unit in such places or not cleaning it
after its use in such places may shorten its life.
•
When cleaning the unit, never use organic solvents such
as thinners or benzine, which will damage the finish of the
unit.
•
The unit has been factory adjusted precisely. Do not
tamper with its internal parts or attempt to repair it.
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