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Broadcast Electronics Marti Electronics SRPT-30 Manual

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Broadcast Electronics
4100 North 24
th
Street, Quincy, Illinois 62305 USA • Phone (217) 224-9600 • Fax (217) 224-9607 • www.bdcast.com • bdcast@bdcast.com
SRPT-30 DUAL-CHANNEL RPU TRANSMITTER
SRPT-40A FREQUENCY AGILE RPU TRANSMITTER
Marti
Electronics
SRPT-30
SRPT-40A
RPU Transmitter
566-035-1 Rev G
July 23, 2015

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  • Page 1 Broadcast Electronics 4100 North 24 Street, Quincy, Illinois 62305 USA • Phone (217) 224-9600 • Fax (217) 224-9607 • www.bdcast.com • bdcast@bdcast.com SRPT-30 DUAL-CHANNEL RPU TRANSMITTER SRPT-40A FREQUENCY AGILE RPU TRANSMITTER Marti Electronics SRPT-30 SRPT-40A RPU Transmitter 566-035-1 Rev G...
  • Page 2 The information in this publication is subject to improvement and change without notice. Although every effort is made to ensure the accuracy of the information in this manual, Broadcast Electronics accepts no responsibility for any errors or omissions. Broadcast Electronics reserves the right to modify and improve the design and specifications of the equipment in this manual without notice.
  • Page 3 Marti Electronics Product Warranty (One-Year Limited) Broadcast Electronics (BE) hereby warrants all new Marti Electronics branded products, including STL systems, manufactured by BE, against any defects in material or workmanship at the time of delivery thereof, or that develop under normal use within a period of one (1) year, from the date of shipment.
  • Page 4 NO OTHER WARRANTIES, OR ANY AFFIRMATIONS OF FACT OR PROMISES BY BE, WITH REFERENCE TO THE EQUIPMENT, OR TO MERCHANTABILITY, FITNESS FOR A PARTICULAR APPLICATION, SIGNAL COVERAGE, INFRINGEMENT, OR OTHERWISE, WHICH EXTEND BEYOND THE DESCRIPTION OF THE EQUIPMENT ON THE FACE HEREOF. ©2015 Broadcast Electronics...
  • Page 5 Emergency and warranty replacement parts may be ordered from the following address. Be sure to include the equipment model number, serial number, part description, and part number. Non- emergency replacement parts may be ordered directly from the Broadcast Electronics stock room at the number shown below.
  • Page 6 All returned merchandise must be sent freight prepaid and properly insured by the customer. MODIFICATIONS - Broadcast Electronics, reserves the right to modify the design and specifications of the equipment in this manual without notice. Any modifications shall not adversely affect performance of the equipment so modified.
  • Page 7 Additional information follows. D. RF BURNS - Circuit boards with RF power transistors contain high RF potentials. Do not operate an RF power module with the cover removed. ©2015 Broadcast Electronics...
  • Page 8 The power components in the transmitter are cooled by forced-air and natural convection. When handling any components of the transmitter after it has been in operation, caution must always be taken to ensure that the component is cool enough to handle without injury. ©2015 Broadcast Electronics...

  • Page 9: Table Of Contents

    4.12 MIC Input Connectors ................21 4.13 MONITOR Jack ..................21 4.14 POWER ADJUST Pot ................22 4.15 TRANSMIT LED ..................22 4.16 TRANSMIT/STANDBY Switch ..............22 OPERATION .................... 22 Connect up Antenna ................25 Power-Up SRPT-30/40A ................ 25 ©2015 Broadcast Electronics...
  • Page 10 11 SRPT30 BILL OF MATERIAL ..............54 12 SPRT40A BILL OF MARTERIAL ..............62 13 SRPT 30 and SRPT 40A Synthesizers, PAs, and TSL Audio ....70 14 RF TECHNICAL SERVICES CONTACT INFORMATION ......108 15 SCHEMATICS ..................108 ©2015 Broadcast Electronics...

  • Page 11: Introduction

    INTRODUCTION 1.1 APPLICATION The Marti Models SRPT-30/40A are wide-band – high power RPU Transmitters designed to operate in the Remote Pick-Up Broadcast Service as defined in Part 74, Subpart D, of the FCC Rules and Regulations. The SRPT-30 replaces the Marti RPT-30 series of RPU’s. Like its predecessor, the SRPT-30 has two frequency channels and a four-input mixer for mic/line audio.
  • Page 12 Two frequency channels, F1 and F2, selected at time of order • Up to 50 MHz separation between frequency channels • Selected frequencies divisible by 5 or 6.25 KHz steps have a ± .00004% accuracy -Most other frequencies (100 Hz steps) - ± .00015% accuracy ©2015 Broadcast Electronics...

  • Page 13: Specifications

    Line: 0 to +10 dBm, 6-800 Ohms Broadcast-quality compressor/limiter built in. Modulation Control: Sub audible 27 Hz. tone encoder built in. Encoding: Illuminated meter indicates forward and reverse power, PA current, Metering/Indicators: and audio compression. LEDs indicate TRANSMIT, AFC LOCK, HIGH ©2015 Broadcast Electronics...
  • Page 14 Consult factory for frequencies not perfectly divisible by 5 KHz or 6.25 KHz. We will be able to tell you how close the output will come to desired frequency. ©2015 Broadcast Electronics...

  • Page 15: Ordering Information

    15-30 VDC Mobile Repeat Cable, CR/AR-10 to SRPT-30/40A 585-143 Fixed Repeat Cable, CR/AR-10 to SRPT-30/40A 700-250-13 Rack mounting kit 700-252-2 Mobile mounting kit 565-006-1 Racom 1402 Automatic Morse Code Station Identifier with mounting kit 585-088 SRPT30/40A TSL to Racom Cable Assembly ©2015 Broadcast Electronics...

  • Page 16: Unpacking & Inspecting

    Small items are often thrown away with packing material. Packing material should be retained until equipment testing is completed. Any equipment returned to the factory should be packed in original cartons, insured, and pre- paid. ©2015 Broadcast Electronics...

  • Page 17: Installation

    (Mobile relay equipment packages are available from Marti.) 2.2 Stationary Remote Installation Procedure 1. The transmitter is normally located near the announcer or engineer to permit access to gain controls, microphone inputs, the monitor jack, and metering. ©2015 Broadcast Electronics...
  • Page 18 DO NOT PLUG INTO AC WITHOUT FIRST KNOWING THE POSITION OF THE AC INPUT SWITCH LOCATED ON THE SIDE OF THE INTERNAL POWER SUPPLY. SEE AC LINE INPUT SELECTION – 88-132 VAC OR 176-264 VAC SUB-SECTION IN THE CALIBRATION AND ADJUSTMENTS SECTION FOR VERIFICATION AND CHANGING. ©2015 Broadcast Electronics...

  • Page 19: Mobile Installation

    (in the trunk of a car or rear of a van) and controlled remotely. The choice depends upon the type of vehicle and the type of operation anticipated. The antenna(s) are usually mounted on top of the vehicle to provide maximum height. ©2015 Broadcast Electronics...

  • Page 20: Transmitter Mounting

    15 VDC (or 15-30 VDC) control requirement can be met by tapping the ignition switch circuitry of the vehicle. The “transmit” function can be performed by installing a switch on the vehicle. Figure 2-2 shows the electrical circuit of a mobile installation for 12-15 VDC (585-141) and 15- 30 VDC (585-142), respectively. ©2015 Broadcast Electronics...

  • Page 21: Mobile Repeat

    One or more mobile antennas are required depending upon the various receive and transmit frequencies and whether antenna duplexing is used. Antennas are specified in the various system packages listed in the Marti literature. The installer should follow the instructions supplied with the mobile antennas. ©2015 Broadcast Electronics...
  • Page 22 Figure 2-2. External Voltage supply connections ©2015 Broadcast Electronics...
  • Page 23 Figure 2-3. Mobile Repeat Cable ©2015 Broadcast Electronics...

  • Page 24: Fixed Base Station And Repeater Installation

    OR FAULTY EQUIPMENT PERFORMANCE. 4. For fixed automatic repeater operation, connect Cable No. 585-143 (Figure 2-4) between accessory connectors of the receiver and SRPT-30/40A transmitter. Connect receiving antenna to receiver J6 and transmit antenna to SRPT- 30/40A ANTENNA connector. ©2015 Broadcast Electronics...

  • Page 25: Antennas

    Keep the RPU receiver coaxial cable as far from the broadcast transmitter and its coaxial cable as possible. WARNING DO NOT STRAP RECEIVER CABLE TO THE MAIN ANTENNA CABLE AT ANY POINT. PLACE THE RECEIVER ANTENNA COAXIAL CABLE ON THE OPPOSITE SIDE OF THE TOWER FROM THE MAIN ANTENNA CABLE. ©2015 Broadcast Electronics...

  • Page 26: Control, Led, & Connector Fu Nctions

    5 to pin 1, 8, 11, or 12 and connect audio to pin 4. Use standard 15-pin “subminiature D” female connector with cover. Transmit Control: 4.1.2 “TRANSMIT” control can be accomplished remotely by a switch circuit connected between pin 15 and one of the available ground pins (pin 1, 8, 11, or 12). ©2015 Broadcast Electronics...
  • Page 27 FOR 15-30 VOLT EXTERNAL SUPPLY, IF APPLYING A VOLTAGE LESS THAN 16 VDC, THE SRPT-30/40A EXTERNAL B+ ADJUST POT ON THE TWO-STAGE RF POWER AMPLIFIER BOARD SHOULD BE ADJUSTED TO ABOUT 12 VDC. IF THIS IS THE CASE, THE MAXIMUM RF OUTPUT POWER COULD BE LIMITED. ©2015 Broadcast Electronics...

  • Page 28: Ac Line Switch, Ac Receptacle & Fuse

    DO NOT PLUG INTO AC WITHOUT FIRST KNOWING THE POSITION OF THE AC INPUT SWITCH LOCATED ON THE SIDE OF THE INTERNAL SWITCHING POWER SUPPLY. SEE AC LINE INPUT SELECTION – 88-132 VAC OR 176-264 VAC SUB-SECTION IN CALIBRATION AND ADJUSTMENTS SECTION FOR VERIFICATION AND CHANGING. ©2015 Broadcast Electronics...

  • Page 29: Afc Lock Led

    FREQUENCY SELECT Pushwheel switches. Then press and release the EXECUTE switch to “send” the command numbers on the FREQUENCY SELECT pushwheel switches to the internal controller to be decoded and executed. See the OPERATION section for a listing and understanding of all commands. ©2015 Broadcast Electronics...

  • Page 30: F1/F2 Switch (Srpt-30 Only)

    HIGH TEMP LED and then enable the PA to transmit power. A HIGH TEMP alarm could be due to the fan malfunctioning, the SRPT-30/40A placed in a closed-in area with limited air circulation, or an experience of high VSWR. ©2015 Broadcast Electronics...

  • Page 31: High Vswr Led

    To convert Input 4 to MIC (microphone) LEVEL, remove top cover and move switch to “MIC”. 4.13 MONITOR Jack MONITOR jack active “STANDBY” “TRANSMIT” positions TRANSMIT/STANDBY switch. A high-quality headset having 300 ohms or higher impedance can be ©2015 Broadcast Electronics...

  • Page 32: Power Adjust Pot

    EXTERNAL DC SUPPLY. AC Line Operation 5.1.1 Position AC LINE switch to “OFF”, then plug SRPT-30/40A into a 88-132 VAC (if internal supply switched to 115) or 176-264 VAC (if internal supply switched to 230), grounded, 3-prong receptacle. ©2015 Broadcast Electronics...
  • Page 33 Each of the three positive leads and each of the three negative leads should be an 18 gauge wire. You may also use one 12 gauge wire for each positive and negative leads and split the stranded ends into three at the connector end. ©2015 Broadcast Electronics...
  • Page 34 Plug in the 15-pin D connector into the ACCESSORY connector located in the rear of the SRPT- 30/40A. Turn on external supply (if have a switch). With a voltmeter, measure the voltage on the output of the external supply insuring that it is between 12 and 15 VDC. The unit should power up. ©2015 Broadcast Electronics...

  • Page 35: Connect Up Antenna

    If using AC line, turn on SRPT-30/40A by turning on front panel AC LINE switch. If using 12-15 Volt or 15-30 Volt external DC supply, turn on SRPT-30/40A by turning on external DC supply. Refer to the External DC Supply Operation procedure above for proper installation and operation. ©2015 Broadcast Electronics...

  • Page 36: Adjusting Output Power

    After the SYNTHESIZER is locked and the TRANSMIT/STANDBY switch is set in the TRANSMIT position, monitor the RF output with a frequency counter. If necessary, increase the POWER ADJUST pot (turn clockwise) slowly until the frequency counter registers a frequency reading. ©2015 Broadcast Electronics...

  • Page 37: Inputting Audio

    When the frequency is found, the AFC LOCK LED will stop flashing and illuminate solid green. After three seconds the TRANSMIT LED will stop flashing and illuminate solid red (assuming the ©2015 Broadcast Electronics...

  • Page 38: What Is A Valid Output Frequency

    ±.00015% tolerance. If one or both frequencies do fall not within this tolerance, then the order will be considered special and must be determined by the engineering department at Broadcast Electronics if we can tune to the required frequencies.

  • Page 39: Storing Output Frequencies Into Channels - Srpt-40A Only

    5.11 Control Switch Settings – SRPT-40A Only Control Switch Settings enable or disable important controls used in the SRPT-40A. These control settings include the following: Power Adjust Pot HiHi VSWR Foldback Reverse Power Calibration Forward Power Calibration ©2015 Broadcast Electronics...
  • Page 40 If “disabled”, then attempting to change the output frequency will be ignored by the internal controller. This setting is useful for locking out anyone from changing frequencies, or to change frequencies via user programmed channels. ©2015 Broadcast Electronics...
  • Page 41 ENB/DIS Direct Frequency Change ENB/DIS Channel Frequency Change ENB/DIS Notes: Internal Dip-Switch (S1): Switch 1, 3, and 4 are “OFF”; Switch2 is “ON” ENB (Enable) = 1, DIS (Disable) = 0 Bold selection indicates factory default setting ©2015 Broadcast Electronics...

  • Page 42: Theory Of Operation

    The audio output from the 800-166 COMPRESSOR board is fed into the TRANSMITTER SYNTHESIZER’s VCO which FM modulates the signal at the final output frequency. This modulated RF output signal is then sent to the 800-388A Two-Stage RF PA board for final amplification. ©2015 Broadcast Electronics...
  • Page 43 TRANSMITTER SYNTHESIZER board stabilizes and maintains an accurate output power level by comparing it to a reference power level which is set by the user via the front panel POWER ADJUST pot. The APC circuit samples the forward power via the coupled forward power on PA board. ©2015 Broadcast Electronics...

  • Page 44: Rf System & Control

    The RF power and power control circuit is shared by the TRANSMITTER SYNTHESIZER and the TWO- STAGE RF POWER AMPLIFIER. The output of the VCO is sent to a controlled amplifier and is then sent ©2015 Broadcast Electronics...
  • Page 45 Since the Forward coupling is also sent to the microcontroller, the VSWR can be determined. The microcontroller will “foldback” the output power if the VSWR exceeds a value of 4. Finally, all front panel alarms and indicators are sent from the microcontroller. ©2015 Broadcast Electronics...
  • Page 46 Figure 6-1. SRPT 30/40A Functional Block Diagram ©2015 Broadcast Electronics...
  • Page 47 Figure 6-2. SRPT 30/40A RF System and Control ©2015 Broadcast Electronics...

  • Page 48: Recommended Test Equipment

    Stereo Monitor Belar Model FMS-2 Stereo Generator Aphex Model AX400 Oscilloscope Tektronix Model 2215 TOOLS FOR ALIGNMENT Tuning Tool GC 9300 Tuning Tool GC 9440 Tuning Tool Spectrol 8T000 Tuning Tool Sprague-Goodman Screwdriver Xcelite R184, 1/8” x 4” ©2015 Broadcast Electronics...

  • Page 49: Srpt-30/40A Transmitter Factory Test Report

    Customer Specific Settings (if different from standard): Encode deviation________ Audio response________ Max power________ Channel settings (SRPT-40A only - upon request): CH0:________MHz CH1:________MHz CH2:________MHz CH3:________MHz CH4:________MHz CH5:________MHz CH6:________MHz CH7:________MHz CH8:________MHz CH9:________MHz ____Frequency change disabled (SRPT-40A only) ____Channel change disabled (SRPT-40A only) DATE:_____________ SIGNATURE:__________________________________ ©2015 Broadcast Electronics...

  • Page 50: Calibration And Adjustments

    The input to the switching power supply can be from 88-132 or 176-264 VAC, 50/60 Hz. The DC B+ output, measured off of one of the red wires of the switching supply, can be slightly adjusted at B+ ADJUST. The recommended B+ reading should be 13.0 volts. ©2015 Broadcast Electronics...

  • Page 51: B+ Adjustment When Using 15-30Vdc External Supply

    NEVER CONNECT THE FREQUENCY COUNTER DIRECTLY TO THE RF OUTPUT CONNECTOR OF THE SRPT-30/40A. THE FREQUENCY COUNTER SHOULD BE COUPLED OFF OF AN RF COUPLER OR A WATT METER. EXCEEDING THE INPUT POWER RATING OF THE FREQUENCY COUNTER COULD DO INTERNAL DAMAGE TO IT. ©2015 Broadcast Electronics...

  • Page 52: Frequency Fine-Tune Adjust

    3. On the FRONT PANEL CONTROL & METER board, tweak the FWD PWR pot (R48) to correlate the front panel METER (using WATTS scale) to the WATT METER connected to the ANTENNA connector. 10.6 Front Panel Meter Adjust – Reverse Power WARNING THIS ADJUSTMENT SHOULD ONLY BE MADE DURING REVERSE POWER CALIBRATION. ©2015 Broadcast Electronics...

  • Page 53: Front Panel Meter Adjust - Pa Current

    BNC end of the scope probe to a low-frequency counter. 6. Adjust R37 on the 800-166 COMPRESSOR AUDIO board so that the frequency counter reads 27.1 7. Remove scope probe and return ENCODE switch to “OFF” position. ©2015 Broadcast Electronics...

  • Page 54: Audio Adjustments

    NEVER CONNECT THE MODULATION METER DIRECTLY TO THE RF OUTPUT CONNECTOR OF THE SRPT-30/40A. THE MODULATION METER SHOULD BE COUPLED OFF OF AN RF COUPLER OR A WATT METER. EXCEEDING THE INPUT POWER RATING OF THE MODULATION METER COULD DO INTERNAL DAMAGE TO IT. ©2015 Broadcast Electronics...

  • Page 55: Procedure For Removing Pre-Amp Mixer Board, 800-251

    TWO-STAGE RF PA BOARD, OTHERWISE THE FORWARD POWER MUST BE RECALIBRATED. IF IT BECOMES NECESSARY TO RECALIBRATE, READ AND STUDY THIS SECTION CAREFULLY BEFORE PROCEEDING. 1. Power down the SRPT-40A (i.e., turn off AC LINE switch or turn off external supply). ©2015 Broadcast Electronics...
  • Page 56 DECIMAL 4 = “0” DECIMAL 3 = “1” DECIMAL 2 = “0” DECIMAL 1 (far right digit) = “0” 16. Depress and release the front panel EXECUTE pushbutton switch. The SRPT-40A is now in the Forward Power Calibration mode. ©2015 Broadcast Electronics...
  • Page 57 25. Set the front panel FREQUENCY SELECT pushwheel switches as follows: DECIMAL 7 (far left digit) = “1” DECIMAL 6 = “0” DECIMAL 5 = “4” DECIMAL 4 = “0” DECIMAL 3 = “0” DECIMAL 2 = “0” DECIMAL 1 (far right digit) = “0” ©2015 Broadcast Electronics...

  • Page 58: Reverse Power Calibration - Srpt-40A Only

    3 and 4 “OFF”. This places the SRPT-40A back into normal operation. 10.14 Reverse Power Calibration - SRPT-40A Only Note: The SRPT-30 Reverse Power Calibration can only be performed at the factory. CAUTION THIS ADJUSTMENT HAS BEEN SET AT THE FACTORY AND SHOULD NOT REQUIRE ANY FURTHER ADJUSTMENTS. ©2015 Broadcast Electronics...
  • Page 59 DECIMAL 1 (far right digit) = “0” 14. Depress and release the front panel EXECUTE pushbutton switch. This command will disable the front panel POWER ADJUST pot. 15. Set the front panel FREQUENCY SELECT pushwheel switches as follows: ©2015 Broadcast Electronics...
  • Page 60 24. Referring to Table (2) - Forward and Reverse Power Calibration, on the TWO-STAGE POWER AMFLIFIER board, tweak the RP CAL pot (R17) counter-clockwise (slowly) until the output power (as indicated by the WATT METER) reaches the REV CAL PWR LEVEL corresponding to your model. ©2015 Broadcast Electronics...
  • Page 61 DECIMAL 2 = “0” DECIMAL 1 (far right digit) = “0” 39. Depress and release the front panel EXECUTE pushbutton switch. This command will enable the front panel POWER ADJUST pot. 40. Re-connect the 50-Ohm load on the WATT METER. ©2015 Broadcast Electronics...
  • Page 62 235.0000 32.0 12.8 SRPT30-230 235.0000 32.0 12.8 SRPT40A-250 250.0000 32.0 12.8 SRPT30-250 250.0000 32.0 12.8 SRPT40A-330 330.0000 32.0 12.8 SRPT30-330 330.0000 32.0 12.8 SRPT40A-450 450.0000 56.0 25.6 SRPT30-450 450.0000 32.0 12.8 SRPT40A-950 950.0000 22.4 SRPT30-950 950.0000 22.4 ©2015 Broadcast Electronics...
  • Page 63 Figure 10-1. SRPT 30/40A Adjustment Locations ©2015 Broadcast Electronics...

  • Page 64: Srpt30 Bill Of Material

    Screw, 4-40 x 3/8 phillips,flat head,black oxide" 500-199 Keps nut 4 x 40 zinc 4CNKEOZ 500-210 Screw,SEMS 4-40x1/4 Phil Pan Head MS Blk Zinc(external lock) 500-211 Screw,SEMS 4-40x3/8 Ph Pan Head MS Black Zinc (External) 510-005 Polytube, Manhatten#AF155A-20-yel 0.233 510-072 Fuseholder, Littlefuse #342-004 ©2015 Broadcast Electronics...
  • Page 65 417-8766 CONTACT,CRIMP,MOD-IV 87809-1 ..2 512-020 TERMINAL,NICHIFU TMDN #125-250-03FA TERMINAL ..2 550-122 CONNECTOR, 10 PIN MOLEX HOUSING 09- 50-8100 ..2 550-135 Connector, 6 pin Molex housing 09-50-8060 ..2 550-137 Connector, 8 pin Molex housing 09-50-8080 J1, J2, J6 ©2015 Broadcast Electronics...
  • Page 66 Generic RPU Audio Board Assembly (SBCM) ..3 033-0123 CAPACITOR, .012 MFD 1% 100V POLYPRO C20, C22 ..3 100-1041 RES,1K OHM,1/4W,1% ..3 100-1051 RES,10K OHM,1/4W,1% ..3 100-1531 RES,150 OHM,1/4W,1% ..3 101-104 Potentiometer, 100K ohm cermet Bourns R26, R33 3309P-1-104 ©2015 Broadcast Electronics...
  • Page 67 RADIAL ..3 226-274 Cap.,.27 mf 100v 10% polypro CD MTC1P27K C7, C31 OR Bishop C21B274K ..3 253-471 CAPACITOR, 470 PF 50V 10% Y5P DISC C1, C15, C29 ..3 255-470C CAP, 47pF 5% 200V CERAMIC DIPPED C24, C27 ©2015 Broadcast Electronics...
  • Page 68 Connector, XLR Receptacle Insert J1, J2, J3, J4 Nuetrik#3FD-V-I-O ..2 700-250-15 Grounding Strap, RPT-30 Pre-Amp ..2 800-251B PC Board, Pre-amp/Mixer RPT-30 800-379AR RPU Transmitter I/O Board Assy (SBCM) ..2 270-102 Cap,monolithic,1000pf 50v C1, C2, C3, C4, C5, 5%KemetC1206C102J5GACTR marked ©2015 Broadcast Electronics...
  • Page 69 Cap, Monolithic chip 10000pF 10% XR7 Kemet C1206C103J5RACTR ..2 298-105 Cap SMT 1mF 16V Tantalum Kemet C1, C2, C5, C6 T491A105M016AS ..2 340-0004 SW,JUMPER PROGRAMMABLE P7, P8 ..2 400-0055-1 ISOLATOR, ADH BACKED 2 SIDES, .063 X .75 (note) ©2015 Broadcast Electronics...
  • Page 70 CWCR1206-39.2K ..2 185-6.81K Resistor, SMT, 1206, 6.81K Ohm, Dale CRCW1206-6.81K ..2 270-101 Cap., monolithic chip, 100 pf 50v 5% Kemet C1206C101J5GAC ..2 270-102 Cap,monolithic,1000pf 50v C6, C7 5%KemetC1206C102J5GACTR marked ..2 270-682 CAPACITOR, SMT, 1206, 6800 PF, 5% ©2015 Broadcast Electronics...
  • Page 71 HEADER, BREAKAWAY 40x2, 0.1 SPACING" 0.05 ..2 550-269 Connector,Header 10 Pin RI-10-1 Unsheltered 5x2x1 (note) ..2 550-325-16 Conn,16-Pin (cut from 550-325) Right Angle ..3 550-325 CONN, RIGHT ANGLE DUAL ROW 80-PIN ..2 800-392B PCB, 14.5 VOLT STEP-UP REGULATOR ©2015 Broadcast Electronics...

  • Page 72: Sprt40A Bill Of Marterial

    Keps nut 4 x 40 zinc 4CNKEOZ 500-210 Screw,SEMS 4-40x1/4 Phil Pan Head MS Blk Zinc(external lock) 500-211 Screw,SEMS 4-40x3/8 Ph Pan Head MS Black Zinc (External) 510-005 Polytube, Manhatten#AF155A-20-yel 0.78 510-072 Fuseholder, Littlefuse #342-004 510-113 Bushing, #B-312-250 black shorty Microplastic #22MP01015 ©2015 Broadcast Electronics...
  • Page 73 LUG,TERM #6 SPADE #16-22 ..2 417-0138 HSNG,MOD IV 4 POS 87499-7 AMP ..2 417-0601 HOUSING,SKT,6PIN,AMP MOD IV ..2 417-0602 HOUSING, 16 PIN, DOUBLE ROW, AMP 1- 87456-2 J2, J3 ..2 417-8766 CONTACT,CRIMP,MOD-IV 87809-1 ..2 512-020 TERMINAL,NICHIFU TMDN #125-250-03FA TERMINAL ©2015 Broadcast Electronics...
  • Page 74 Resistor, 2.21 meg ohm 1/4 watt 1% metal film (2.21 Meg 1%) ..2 215-242 CAPACITOR, .0024 UF 2.5% 100V POLYPRO ..2 800-166CM Generic RPU Audio Board Assembly (SBCM) ..3 033-0123 CAPACITOR, .012 MFD 1% 100V POLYPRO C20, C22 ..3 100-1041 RES,1K OHM,1/4W,1% ©2015 Broadcast Electronics...
  • Page 75 217-104 CAPACITOR, .01 UF 50V GMV DISC C12, C28 ..3 219-106 CAPACITOR, 10UF 50V RADIAL ELECTROLYTIC C3, C18 ..3 219-220 CAPACITOR, ELECTROLYTIC 22uF RADIAL C4, C21, C30 ..3 219-221 CAPACITOR, ELECTROLYTIC 220uF 25V RADIAL C9, C13, C14 ©2015 Broadcast Electronics...
  • Page 76 Connector, 6 pin Molex angle header (cut from 550-163) ..3 550-163 Connector, 24 pin break-away (angle) Molex 0.25 26-48-6246 ..2 550-155-1 Connector, XLR Receptacle Insert Nuetrik#3FD-V-I-O J1, J2, J3, J4 ..2 700-250-15 Grounding Strap, RPT-30 Pre-Amp ..2 800-251B PC Board, Pre-amp/Mixer RPT-30 ©2015 Broadcast Electronics...
  • Page 77 4.75K R31, R32 Resistor, SMT, size 1206, 432 ohms, Dale ..2 185-432 CRCW1206-432 Resistor, SMT, size 1206, 47.5K ohms, Dale ..2 185-47.5K CRCW1206-47.5K Resistor, SMT, Size 1206, 475 ohms, Dale ..2 185-475 CRCW1206-475 R34, R35, R36, R37 ©2015 Broadcast Electronics...
  • Page 78 ..2 550-226 214) Connector, breakaway header Molex 22-28- ..3 550-214 4361 0.111 PC BOARD, FRONT PANEL CONTROL AND ..2 800-385B METER, SRPT-40A 800-392A 14.5 VOLT STEP-UP REGULATOR (SBCM) CAP,TANT,22 MFD,20%,25V, E CASE,LOW ..2 070-2265-L25 ESR,SMD C1, C5 ©2015 Broadcast Electronics...
  • Page 79 HEADER, BREAKAWAY 40x2, 0.1 SPACING" 0.05 Connector,Header 10 Pin RI-10-1 Unsheltered ..2 550-269 5x2x1 (note) ..2 550-325-16 Conn,16-Pin (cut from 550-325) Right Angle ..3 550-325 CONN, RIGHT ANGLE DUAL ROW 80-PIN ..2 800-392B PCB, 14.5 VOLT STEP-UP REGULATOR ©2015 Broadcast Electronics...

  • Page 80: Srpt 30 And Srpt 40A Synthesizers, Pas, And Tsl Audio

    Mepco SFR25 ..3 145-221 Resistor, 220 ohm 1/4 watt 1% metal film Mepco SFR25 ..3 145-225 Resistor, 2.21 meg ohm 1/4 watt 1% metal film (2.21 Meg 1%) R19, R28, R40, R42 ..3 145-472 OBSOLETE REPLACE W/103-4741 (NLU-03) ©2015 Broadcast Electronics...
  • Page 81 Integrated Circuit, SGS TDA1054M ..3 403-900 IC, QUADRUPLE NORTON OP AMP ..3 414-007 DIODE, RECITIFIER,1N4007 ..3 550-123 Connector, 10 pin header (cut from 550-162) ..4 550-162 Connector, 24 pin break-away (straight) Molex 0.417 26-48-6248 ..3 800-166B PC Board, Audio RPT-2/15/30 ©2015 Broadcast Electronics...
  • Page 82 Resistor, SMT, size 1206, 47.5K ohms, Dale R46, R47, R48, R49 CRCW1206-47.5K ..3 185-475 Resistor, SMT, Size 1206, 475 ohms, Dale R55, R57, R62, CRCW1206-475 ..3 185-5.11K Resistor, SMT, size 1206, 5.11K ohms, Dale R2, R31, R32, R61 CRCW1206-5.11K ©2015 Broadcast Electronics...
  • Page 83 IC, SMT, Regulator,Adjustable, 1.5 Amps,National LM317AEMP ..3 402-054 IC,SMT,Prescaler, Dual Mod, 64/65-128/129 Motorola MC12054AD ..3 407-376 IC,SMT,Digital Pot,+/-15V,10K Ohms Analog Device AD7376AR10 ..3 408-402 ICSMT, Digital Pot,2 Ch,100K ohms,Analog Device AD8402AR100 ..3 409-044 IC, SMT, Microcontroller Atmel AT90S4433-8AI (note) ©2015 Broadcast Electronics...
  • Page 84 PC Board, Transmitter Synthesizer, ..2 800- RPU/STL XMIT SYN SW VERSION 2 375ATSW2 800-375AT150 TRANSMITTER SYNTHESIZER ASSY 150 ..2 400-185 IC, VCO, 135-185 MHZ ..2 800-375AT Transmitter Synthesizer Board Assy Generic (SBCM) ..3 011-7.3728 Crystal,SMT,7.3728 MHz, 50ppm, Epson MA- 506-7.3728M-C2 ©2015 Broadcast Electronics...
  • Page 85 ..3 185-47.5 Resistor, SMT, size 1206, 47.5 ohms, Dale CRCW1206-47.5 ..3 185-47.5K Resistor, SMT, size 1206, 47.5K ohms, Dale CRCW1206-47.5K R46, R47, R48, R49 ..3 185-475 Resistor, SMT, Size 1206, 475 ohms, Dale CRCW1206-475 R55, R57, R62, ©2015 Broadcast Electronics...
  • Page 86 ..3 401-275 U7, U8 IC, SMT, Regulator,Adjustable, 1.5 ..3 401-317 Amps,National LM317AEMP IC,SMT,Prescaler, Dual Mod, 64/65-128/129 ..3 402-054 Motorola MC12054AD IC,SMT,Digital Pot,+/-15V,10K Ohms Analog ..3 407-376 Device AD7376AR10 ICSMT, Digital Pot,2 Ch,100K ohms,Analog ..3 408-402 Device AD8402AR100 ©2015 Broadcast Electronics...
  • Page 87 Conn,20-Pin (cut from 550-325) Right Angle ..4 550-325 CONN, RIGHT ANGLE DUAL ROW 80-PIN 0.25 ..3 700-0119 TAPE,KAPTON 1/4 0.001 Exterior Fencing&Cover,Synth Leader Tech88- ..3 700-226-63 CBSU-2.25x5.75x.8 ..3 800-375B PC Board, Transmitter Synthesizer, 800- ..2 375ATSW2 RPU/STL XMIT SYN SW VERSION 2 ©2015 Broadcast Electronics...
  • Page 88 ..3 185-47.5 Resistor, SMT, size 1206, 47.5 ohms, Dale CRCW1206-47.5 ..3 185-47.5K Resistor, SMT, size 1206, 47.5K ohms, Dale R46, R47, R48, R49 CRCW1206-47.5K ..3 185-475 Resistor, SMT, Size 1206, 475 ohms, Dale R55, R57, R62, CRCW1206-475 ©2015 Broadcast Electronics...
  • Page 89 IC,SMT,OP-AMP,LOW NOISE,HIGH AUDIO U7, U8 ..3 401-317 IC, SMT, Regulator,Adjustable, 1.5 Amps,National LM317AEMP ..3 402-054 IC,SMT,Prescaler, Dual Mod, 64/65-128/129 Motorola MC12054AD ..3 407-376 IC,SMT,Digital Pot,+/-15V,10K Ohms Analog Device AD7376AR10 ..3 408-402 ICSMT, Digital Pot,2 Ch,100K ohms,Analog Device AD8402AR100 ©2015 Broadcast Electronics...
  • Page 90 Conn,20-Pin (cut from 550-325) Right Angle ..4 550-325 CONN, RIGHT ANGLE DUAL ROW 80-PIN 0.25 ..3 700-0119 TAPE,KAPTON 1/4 0.001 ..3 700-226-63 Exterior Fencing&Cover,Synth Leader Tech88- CBSU-2.25x5.75x.8 ..3 800-375B PC Board, Transmitter Synthesizer, ..2 800- RPU/STL XMIT SYN SW VERSION 2 375ATSW2 ©2015 Broadcast Electronics...
  • Page 91 ..3 185-47.5 Resistor, SMT, size 1206, 47.5 ohms, Dale CRCW1206-47.5 ..3 185-47.5K Resistor, SMT, size 1206, 47.5K ohms, Dale R46, R47, R48, R49 CRCW1206-47.5K ..3 185-475 Resistor, SMT, Size 1206, 475 ohms, Dale R55, R57, R62, CRCW1206-475 ©2015 Broadcast Electronics...
  • Page 92 IC,SMT,OP-AMP,LOW NOISE,HIGH AUDIO U7, U8 ..3 401-317 IC, SMT, Regulator,Adjustable, 1.5 Amps,National LM317AEMP ..3 402-054 IC,SMT,Prescaler, Dual Mod, 64/65-128/129 Motorola MC12054AD ..3 407-376 IC,SMT,Digital Pot,+/-15V,10K Ohms Analog Device AD7376AR10 ..3 408-402 ICSMT, Digital Pot,2 Ch,100K ohms,Analog Device AD8402AR100 ©2015 Broadcast Electronics...
  • Page 93 Conn,20-Pin (cut from 550-325) Right Angle ..4 550-325 CONN, RIGHT ANGLE DUAL ROW 80-PIN 0.25 ..3 700-0119 TAPE,KAPTON 1/4 0.001 ..3 700-226-63 Exterior Fencing&Cover,Synth Leader Tech88- CBSU-2.25x5.75x.8 ..3 800-375B PC Board, Transmitter Synthesizer, ..2 800- RPU/STL XMIT SYN SW VERSION 2 375ATSW2 ©2015 Broadcast Electronics...
  • Page 94 R58, R79, R80, R82, ..3 185-432 Resistor, SMT, size 1206, 432 ohms, Dale CRCW1206-432 ..3 185-47.5 Resistor, SMT, size 1206, 47.5 ohms, Dale CRCW1206-47.5 ..3 185-47.5K Resistor, SMT, size 1206, 47.5K ohms, Dale R46, R47, R48, R49 CRCW1206-47.5K ©2015 Broadcast Electronics...
  • Page 95 IC, SMT, MMIC AMPLIFIER, 2 GHz, U10, U11 BROADBAND ..3 401-275 IC,SMT,OP-AMP,LOW NOISE,HIGH AUDIO U7, U8 ..3 401-317 IC, SMT, Regulator,Adjustable, 1.5 Amps,National LM317AEMP ..3 402-054 IC,SMT,Prescaler, Dual Mod, 64/65-128/129 Motorola MC12054AD ..3 407-376 IC,SMT,Digital Pot,+/-15V,10K Ohms Analog Device AD7376AR10 ©2015 Broadcast Electronics...
  • Page 96 Conn,20-Pin (cut from 550-325) Right Angle ..4 550-325 CONN, RIGHT ANGLE DUAL ROW 80-PIN 0.25 ..3 700-0119 TAPE,KAPTON 1/4 0.001 ..3 700-226-63 Exterior Fencing&Cover,Synth Leader Tech88- CBSU-2.25x5.75x.8 ..3 800-375B PC Board, Transmitter Synthesizer, ..2 800- RPU/STL XMIT SYN SW VERSION 2 375ATSW2 ©2015 Broadcast Electronics...
  • Page 97 ..2 185-47.5 Resistor, SMT, size 1206, 47.5 ohms, Dale CRCW1206-47.5 ..2 185-47.5K Resistor, SMT, size 1206, 47.5K ohms, Dale CRCW1206-47.5K R46, R47, R48, R49 ..2 185-475 Resistor, SMT, Size 1206, 475 ohms, Dale CRCW1206-475 R55, R57, R62, ©2015 Broadcast Electronics...
  • Page 98 ..2 401-275 U7, U8 IC, SMT, Regulator,Adjustable, 1.5 ..2 401-317 Amps,National LM317AEMP IC,SMT,Prescaler, Dual Mod, 64/65-128/129 ..2 402-054 Motorola MC12054AD IC,SMT,Digital Pot,15V,10K Ohms Analog ..2 407-376 Device AD7376AR10 ICSMT, Digital Pot,2 Ch,100K ohms,Analog ..2 408-402 Device AD8402AR100 ©2015 Broadcast Electronics...
  • Page 99 Conn,20-Pin (cut from 550-325) Right Angle ..3 550-325 CONN, RIGHT ANGLE DUAL ROW 80-PIN 0.25 ..2 700-0119 TAPE,KAPTON 1/4 0.001 Exterior Fencing&Cover,Synth Leader Tech88- ..2 700-226-63 CBSU-2.25x5.75x.8 ..2 800-375B PC Board, Transmitter Synthesizer, 800- 375ATSW2 RPU/STL XMIT SYN SW VERSION 2 ©2015 Broadcast Electronics...
  • Page 100 Resistor, SMT, 1206, 3.32K, Dale CRCW1206- ..3 185-3.32K 3.32K ..3 185-330-1 RESISTOR, SMT, 1206, 33.2 OHM, 1% Resistor, SMT, size 1206, 392 ohms, Dale ..3 185-392 CRCW1206-392 Resistor, SMT, 1206, 4.75K, Dale CRCW1206- ..3 185-4.75K 4.75K R4, R25 ©2015 Broadcast Electronics...
  • Page 101 Connector, 24 pin break-away (straight) Molex ..4 550-162 26-48-6248 0.333 CONNECTOR, S.FL2-R-SMT SURFACE ..3 550-193 MOUNT ..3 550-324 Connector,6-Pin Header Connector, breakaway header Molex 22-28- ..4 550-214 4361 0.167 ..3 700-0119 TAPE,KAPTON 1/4 0.001 RF Shielding Fence For Power ..3 700-226-59 Amplifier(Interior) ©2015 Broadcast Electronics...
  • Page 102 ..3 550-057 ..3 621-1359 CBL,COAX,RG316/U,50 OHM 0.33 ..2 959-0321 ASSY., THERMOCOUPLE ..3 120-002 THERMISTOR, 1000 OHM @ 25C 10% Terminal, vinyl insulated C10 #10 stud #10-12 ..3 512-002 wire Washer, TO-220 Shoulder NYL Thermalloy ..2 DB61024 #7721-7PPS ©2015 Broadcast Electronics...
  • Page 103 Resistor, SMT, 1206, 3.32K, Dale CRCW1206- ..3 185-3.32K 3.32K ..3 185-330-1 RESISTOR, SMT, 1206, 33.2 OHM, 1% Resistor, SMT, size 1206, 392 ohms, Dale ..3 185-392 CRCW1206-392 Resistor, SMT, 1206, 4.75K, Dale CRCW1206- ..3 185-4.75K 4.75K R4, R25 ©2015 Broadcast Electronics...
  • Page 104 Connector, 24 pin break-away (straight) Molex ..4 550-162 26-48-6248 0.333 CONNECTOR, S.FL2-R-SMT SURFACE ..3 550-193 MOUNT ..3 550-324 Connector,6-Pin Header Connector, breakaway header Molex 22-28- ..4 550-214 4361 0.167 ..3 700-0119 TAPE,KAPTON 1/4 0.001 RF Shielding Fence For Power ..3 700-226-59 Amplifier(Interior) ©2015 Broadcast Electronics...
  • Page 105 ..3 550-057 ..3 621-1359 CBL,COAX,RG316/U,50 OHM 0.33 ..2 959-0321 ASSY., THERMOCOUPLE ..3 120-002 THERMISTOR, 1000 OHM @ 25C 10% Terminal, vinyl insulated C10 #10 stud #10-12 ..3 512-002 wire Washer, TO-220 Shoulder NYL Thermalloy ..2 DB61024 #7721-7PPS ©2015 Broadcast Electronics...
  • Page 106 Resistor, SMT, size 1206, 392 ohms, Dale ..3 185-392 CRCW1206-392 Resistor, SMT, 1206, 4.75K, Dale CRCW1206- ..3 185-4.75K 4.75K R4, R25 Resistor, SMT, size 1206, 47.5K ohms, Dale ..3 185-47.5K CRCW1206-47.5K Resistor, SMT, Size 1206, 475 ohms, Dale ..3 185-475 CRCW1206-475 ©2015 Broadcast Electronics...
  • Page 107 TAPE,KAPTON 1/4 0.001 RF Shielding Fence For Power ..3 700-226-59 Amplifier(Interior) Leader Tech Fence # 47-CBSU-2.75 X 5.75 X ..3 700-268 .4 NO COVER ..2 949-0365 CABLE, RF OUTPUT, SRPT-40A (SBCM) CONNECTOR, UG-58A/U N PANEL ..3 550-037 RECEPTICLE ©2015 Broadcast Electronics...
  • Page 108 ..3 550-057 ..3 621-1359 CBL,COAX,RG316/U,50 OHM 0.33 ..2 959-0321 ASSY., THERMOCOUPLE ..3 120-002 THERMISTOR, 1000 OHM @ 25C 10% Terminal, vinyl insulated C10 #10 stud #10-12 ..3 512-002 wire Washer, TO-220 Shoulder NYL Thermalloy ..2 DB61024 #7721-7PPS ©2015 Broadcast Electronics...
  • Page 109 Resistor, SMT, size 1206, 392 ohms, Dale CRCW1206-392 ..3 185-4.75K Resistor, SMT, 1206, 4.75K, Dale CRCW1206- R4, R25 4.75K ..3 185-47.5K Resistor, SMT, size 1206, 47.5K ohms, Dale CRCW1206-47.5K ..3 185-475 Resistor, SMT, Size 1206, 475 ohms, Dale CRCW1206-475 ©2015 Broadcast Electronics...
  • Page 110 TAPE,KAPTON 1/4 0.001 ..3 700-226-59 RF Shielding Fence For Power Amplifier(Interior) ..3 700-268 Leader Tech Fence # 47-CBSU-2.75 X 5.75 X .4 NO COVER ..2 949-0365 CABLE, RF OUTPUT, SRPT-40A (SBCM) ..3 550-037 CONNECTOR, UG-58A/U N PANEL RECEPTICLE ©2015 Broadcast Electronics...
  • Page 111 Connector, UG-177/U UHF hood Amphenol 83- ..3 621-1359 CBL,COAX,RG316/U,50 OHM 0.33 ..2 959-0321 ASSY., THERMOCOUPLE ..3 120-002 THERMISTOR, 1000 OHM @ 25C 10% ..3 512-002 Terminal, vinyl insulated C10 #10 stud #10-12 wire ..2 DB61024 Washer, TO-220 Shoulder NYL Thermalloy #7721-7PPS ©2015 Broadcast Electronics...
  • Page 112 RESISTOR, SMT, 1206, 33.2 OHM, 1% ..3 185-392 Resistor, SMT, size 1206, 392 ohms, Dale CRCW1206-392 ..3 185-4.75K Resistor, SMT, 1206, 4.75K, Dale CRCW1206- R4, R25 4.75K ..3 185-47.5K Resistor, SMT, size 1206, 47.5K ohms, Dale CRCW1206-47.5K ©2015 Broadcast Electronics...
  • Page 113 Connector, breakaway header Molex 22-28- 0.167 4361 ..3 700-0119 TAPE,KAPTON 1/4 0.001 ..3 700-226-59 RF Shielding Fence For Power Amplifier(Interior) ..3 700-268 Leader Tech Fence # 47-CBSU-2.75 X 5.75 X .4 NO COVER ..2 949-0365 CABLE, RF OUTPUT, SRPT-40A (SBCM) ©2015 Broadcast Electronics...
  • Page 114 Connector, UG-177/U UHF hood Amphenol 83- ..3 621-1359 CBL,COAX,RG316/U,50 OHM 0.33 ..2 959-0321 ASSY., THERMOCOUPLE ..3 120-002 THERMISTOR, 1000 OHM @ 25C 10% ..3 512-002 Terminal, vinyl insulated C10 #10 stud #10-12 wire ..2 DB61024 Washer, TO-220 Shoulder NYL Thermalloy #7721-7PPS ©2015 Broadcast Electronics...
  • Page 115 RESISTOR, SMT, 1206, 33.2 OHM, 1% ..3 185-392 Resistor, SMT, size 1206, 392 ohms, Dale CRCW1206-392 ..3 185-4.75K Resistor, SMT, 1206, 4.75K, Dale CRCW1206- R4, R25 4.75K ..3 185-47.5K Resistor, SMT, size 1206, 47.5K ohms, Dale CRCW1206-47.5K ©2015 Broadcast Electronics...
  • Page 116 Connector, breakaway header Molex 22-28- 0.167 4361 ..3 700-0119 TAPE,KAPTON 1/4 0.001 ..3 700-226-59 RF Shielding Fence For Power Amplifier(Interior) ..3 700-268 Leader Tech Fence # 47-CBSU-2.75 X 5.75 X .4 NO COVER ..2 949-0365 CABLE, RF OUTPUT, SRPT-40A (SBCM) ©2015 Broadcast Electronics...
  • Page 117 Connector, UG-177/U UHF hood Amphenol 83- ..3 621-1359 CBL,COAX,RG316/U,50 OHM 0.33 ..2 959-0321 ASSY., THERMOCOUPLE ..3 120-002 THERMISTOR, 1000 OHM @ 25C 10% ..3 512-002 Terminal, vinyl insulated C10 #10 stud #10-12 wire ..2 DB61024 Washer, TO-220 Shoulder NYL Thermalloy #7721-7PPS ©2015 Broadcast Electronics...

  • Page 118: Rf Technical Services Contact Information

    RF TECHNICAL SERVICES CONTACT INFORMATION RF Technical Services - Telephone: (217) 224-9617 E-Mail: rfservice@bdcast.com Fax: (217) 224-6528 web: www.bdcast.com SCHEMATICS The following pages present the SRPT-30, SRPT-40A Transmitter drawings. ©2015 Broadcast Electronics...
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