Related Manuals for Lectrosonics UCR195D
Summary of Contents for Lectrosonics UCR195D
- Page 1 UCR195D DIVERSITY UHF RECEIVER OPERATING INSTRUCTIONS and troubleshooting guide LECTROSONICS, INC. Rio Rancho, NM...
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Page 3: Table Of Contents
Table of Contents INTRODUCTION TO THE 195 SYSTEM ..........4 GENERAL TECHNICAL DESCRIPTION UCR195 RECEIVER ................6 FRONT PANEL CONTROLS AND FUNCTIONS ........8 REAR PANEL CONTROLS AND FUNCTIONS ........9 ANTENNA USE AND PLACEMENT ............10 OPERATING INSTRUCTIONS ............... 11 CR195 REPLACEMENT PARTS and ACCESSORIES ...... -
Page 4: Introduction To The 195 System
The UCR195D re-defines the state of the art in high end times will always be a compromise. If the time con wireless microphone receivers. - Page 5 Diversity UHF Receiver NO PRE-EMPHASIS/DE-EMPHASIS applied until the signal is converted into audio, so there is no way around this problem short of eliminating pre- The signal to noise ratio of the 195 system is high emphasis altogether. Neither of these problems occur in enough to preclude the need for conventional pre- the 195 system.
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Page 6: General Technical Description Ucr195 Receiver
LED bar graph meter. DOUBLE BALANCED DIODE MIXERS DIVERSITY RECEPTION A double balanced diode mixer is used in the UCR195D The antenna phase switching diversity technique was to produce the 10.7 MHz IF signal. The mixer produces... - Page 7 POWER SUPPLY The audio signal leaves the Detector circuit and is fed The UCR195D may be operated from internal 9 Volt through an amplifier to the 23 kHz Low Pass Filter batteries, from the supplied CH12 adapter, or from an where all the high frequency noise (including the 32 kHz external 12 to 18 VDC source.
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Page 8: Front Panel Controls And Functions
POWER SWITCH When lit, this LED indicates that power is applied to the This slide switch, and its corrosponding LED indicator, UCR195D and adequate voltage is present to operate the switches the receiver from Off to internal or external unit. -
Page 9: Rear Panel Controls And Functions
Diversity UHF Receiver REAR PANEL CONTROLS AND FUNCTIONS EXTERNAL POWER JACK The UCR195D can be powered from external 12 to 18 the rear panel.) This switch controls the range of adjust Volts DC applied directly to this jack, or conventional ment of the front panel Audio Output control. -
Page 10: Antenna Use And Placement
You can also let the metal surface operated in a different location. work for you by aligning the antenna perpendicular to The UCR195D receiver offers a sophisticated front end the surface. This will provide a ground plane for the design which overcomes drop-out problems in almost antenna. -
Page 11: Operating Instructions
If the output is too low, you may hear steady noise (hiss) along with the audio. The UCR195D audio output is designed to drive any audio input device from microphone level to +8dBm line level. -
Page 12: Troubleshooting
PILOT lamp off, but sound still comes through the UCR195D rear panel and see if the noise lowers correspondingly. If the noise remains, • Pilot Tone Bypass switch may be on. Open the the problem is not in the receiver. -
Page 13: Returning Units For Repair
If the repair is more complicated than a broken wire or loose con nection, send the unit to the factory or an authorized service center equipped to service the UCR195D receivers. Don’t attempt to adjust any controls inside the units. Once set at the factory, the various controls and trimmers do not drift with age or vibration and never require readjustment. -
Page 14: Specifications And Features
SPECIFICATIONS AND FEATURES Receiver System Operating Frequencies: 470 to 608 MHz, crystal controlled (UCR195D receiver with UM195 transmitter) Receiver Type: Diversity reception, Dual conver Audio Processor: Dual band compandor with no sion, superheterodyne pre-emphasis/de-emphasis Diversity Method: Phased antenna switching Total Harmonic Frequency Stability: ±0.002 %... - Page 15 –...
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Page 16: Limited One Year Warranty
This warranty does not apply to used or demonstrator equipment. Should any defect develop, Lectrosonics, Inc. will, at our option, repair or replace any defective parts without charge for either parts or labor. If Lectrosonics, Inc. cannot correct the defect in your equipment, it will be replaced at no charge with a similar new item.
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