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Table of Contents
Troubleshooting
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Summary of Contents for Lectronics SMB/E01Series
- Page 1 INSTRUCTION MANUAL SMB/E01Series Super Miniature Transmitters ® With Digital Hybrid Wireless Technology US Patent 7,225,135 SMDB/E01 Dual battery SMB/E01 Single battery Remote Control Fill in for your records: Serial Number: Purchase Date: Rio Rancho, NM, USA www.lectrosonics.com...
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Page 2: Table Of Contents
SMB/EO1 Series Table of Contents Introduction Introduction ................2 The SMB Series transmitters are the product of many General Technical Description ........... 4 years of engineering and experience in professional Servo Bias Input..............4 audio markets. The unique design provides several ........ - Page 3 Super-Minature Belt Pack Transmitters Rio Rancho, NM...
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Page 4: General Technical Description
SMB/EO1 Series General Technical Description Servo Bias Input No Pre-Emphasis/De-Emphasis The voltage and current requirements of the wide variety of electret microphones used in professional ratio high enough to preclude the need for conventional applications has caused confusion and compromises in the wiring needed for wireless transmitters. -
Page 5: Microprocessor Control
Super-Minature Belt Pack Transmitters Signal Encoding and Pilot Tone Battery Options and Operating Time In addition to controlling the limiter, the DSP also en Switching power supplies convert regulated battery voltages to operate various circuit stages with maxi adds an ultrasonic pilot tone to control the squelch in the receiver. -
Page 6: Controls And Functions
SMB/EO1 Series Controls and Functions Audio Input Jack The Servo Bias input circuitry accommodates virtu ally every lavaliere, handheld or shotgun microphone Modulation available, plus line level signals. LEDs Battery Modulation LEDs Compartment UP Arrow Cover Plate Proper input gain adjustment is critical to ensure the Antenna Jack red or green to accurately indicate modulation levels. -
Page 7: Setup Screens
Super-Minature Belt Pack Transmitters Setup Screens Audio Screen The Audio screen is used If a remote control signal is detected but the trans to adjust input gain from 0 mitter is set to rc oFF, the message rc oFF will be to +44 dB, and the low that a valid signal was received, but that the transmit to 150 Hz. -
Page 8: Battery Installation
SMB/EO1 Series Battery Installation Operating Instructions Power Up and Boot Sequence “heavy-duty” or “long-lasting” are not adequate. unit. The battery status circuitry is designed for the voltage drop over the life of lithium batteries. To install new batteries: is initiated. As the unit turns on, the Modulation 1. -
Page 9: Standby Mode
Super-Minature Belt Pack Transmitters Standby Mode Setting Transmitter Operating Frequency The frequency can be displayed either in MHz or place the unit in Standby Mode. In this mode the RF number and can be set in Standby Screen Frequency displayed output is turned off so all the Standby Mode or in MHz... -
Page 10: Adjusting Audio Level (Gain)
SMB/EO1 Series Adjusting Audio Level (Gain) Locking or Unlocking the Controls The Lock mode protects the transmitter from audio level setting should not be used to control the accidental changes to its volume of your sound system or recorder levels. This settings. -
Page 11: Attaching And Removing The Microphone
Super-Minature Belt Pack Transmitters Attaching and Removing the Microphone To remove the connector, pull the sleeve back to phone helps prevent dust and moisture from getting expose the black release button. Press the button to into the input jack. A flange is machined into the rim unlatch the plug. -
Page 12: 5-Pin Input Jack Wiring
SMB/EO1 Series 5-Pin Input Jack Wiring The wiring diagrams included in this section repre Audio input jack wiring: sent the basic wiring necessary for the most common types of microphones and other audio inputs. Some electret lavaliere microphones. Shield (ground) for microphones may require extra jumpers or a slight dynamic microphones and line level inputs. -
Page 13: Microphone Cable Termination For Non-Lectrosonics Microphones
Super-Minature Belt Pack Transmitters Microphone Cable Termination for Non-Lectrosonics Microphones TA5F Connector Assembly Mic Cord Stripping Instructions VIEW FROM SOLDER SIDE OF PINS 0.15" 0.3" Crimping to Shield and Insulation Strip and position the cable so that the clamp can be crimped to contact both the mic cable shield and the insulation. -
Page 14: Microphone Rf Bypassing
SMB/EO1 Series Microphone RF Bypassing Line Level Signals The normal hookup for line level signals is: element is in the proximity of the RF coming from the transmitter. The nature of electret microphones makes them sensitive to RF, which can cause problems with microphone is not designed properly for use with wire This allows signal levels up to 3V RMS to be applied less transmitters, it may be necessary to install a chip... -
Page 15: Wiring Hookups For Different Sources
Super-Minature Belt Pack Transmitters Wiring Hookups for Different Sources In addition to the microphone and line level wiring A lot of information regarding microphone wiring is hookups illustrated below, Lectrosonics makes a num ber of cables and adapters for other situations such http://www.lectrosonics.com/faq.htm as connecting musical instruments (guitars, bass Follow the instructions to search by model number or... -
Page 16: Optional Rm Remote Control
SMB/EO1 Series Optional RM Remote Control The RM unit gives you remote control of SM Series Powering the RM on and off transmitters using an audible tone delivered to the mi crophone. The panel layout is the same as the trans buttons together briefly. -
Page 17: Operating Notes
Super-Minature Belt Pack Transmitters Operating Notes remote control varies with level setting and the microphone used, but it is always possible to make it work with a sufficiently loud remote signal at close range. figured to respond to the remote control, it will do so even if the buttons are locked. -
Page 18: Troubleshooting
SMB/EO1 Series Troubleshooting Before going through the following chart, be sure that you have a good battery in the transmitter. It is important that you follow these steps in the sequence listed. SYMPTOM POSSIBLE CAUSE TRANSMITTER PWR LED OFF 1) Battery is inserted backwards or dead. 2) Transmitter not powered up. -
Page 19: Rm Troubleshooting
Super-Minature Belt Pack Transmitters SYMPTOM POSSIBLE CAUSE HISS AND NOISE -- AUDIBLE DROPOUTS 1) Transmitter gain (audio level) far too low. 2) Receiver antenna missing or obstructed. 3) Transmitter antenna broken or missing. strength indicator does not drop to nearly zero, this indicates an interfering signal may be the problem. -
Page 20: Included Accessories
SMB/EO1 Series Included Accessories SMB: SMBCUPSL Leather pouch with 35923 Thermal insulating pad integrated belt clip machined aluminum clip for SMB Place thermal insulation pad on back of unit, as pictured. SMDB: SMDBCSL PSMD Leather pouch with 35924 Themal insulating pad machined aluminum integrated belt clip for SMDB... -
Page 21: Whip Antennas
Super-Minature Belt Pack Transmitters Whip Antennas Lectrosonics AMM Series UHF transmitter anten nas follow the color code specifications in the chart below to identify operating frequency block range. outside of the transmitter housing. If the cap or label is missing on the antenna, refer to the following chart to determine the frequency and correct length. -
Page 22: Specifications And Features
SMB/EO1 Series Specifications and Features Operating frequencies: Low frequency roll-off: Adjustable from 35 to 150 Hz. Block 470 470.100 - 495.600 Block 26 665.600 - 691.100 Block 19 486.400 - 511.900 Block 27 691.200 - 716.700 Block 20 512.000 - 537.500 Mic in 35 Hz Block 28 716.800 - 742.300... -
Page 23: Service And Repair
Super-Minature Belt Pack Transmitters Service and Repair If your system malfunctions, you should attempt to correct or isolate the trouble before concluding that the equip ment needs repair. Make sure you have followed the setup procedure and operating instructions. Check the inter connecting cables and then go through the Troubleshooting section in this manual. -
Page 24: Limited One Year Warranty
LIMITED ONE YEAR WARRANTY The equipment is warranted for one year from date of purchase against defects in materials or workmanship provided it was purchased from an authorized dealer. This warranty does not cover equipment which has been abused or damaged by careless handling or shipping.
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