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Nautel GV40 Troubleshooting Manual

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4: TROUBLESHOOTING MANUAL
GV40/GV30
T
RANSMITTER
Document ID:
NHB-GV30-GV40-TRB
Version:
4.0
Issue Date:
2018-02-26
Status:
Standard
Making Digital Radio
Work

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  • Page 1 4: TROUBLESHOOTING MANUAL GV40/GV30 RANSMITTER Document ID: NHB-GV30-GV40-TRB Version: Issue Date: 2018-02-26 Status: Standard Making Digital Radio Work...

  • Page 3: Contact Information

    For verification of materials, the reader is encouraged to consult the respective manufacturer's most recent publication on the official website or through contact with Customer Service. © Copyright 2018 NAUTEL. All rights reserved. VERSION 4.0 2018-02-26 PAGE III...

  • Page 5: Table Of Contents

    GV40/GV30 TROUBLESHOOTING MANUAL TABLE OF CONTENTS CONTENTS Contact Information RELEASE CONTROL RECORD Responding to alarms Corrective Maintenance Electrostatic Protection Identifying an Alarm Accessing the Inside of the Transmitter 1-32 Troubleshooting Tips 1-33 Replacement Procedures 1-43 RF Power Module Replacement 1-44...
  • Page 6 GV40/GV30 TROUBLESHOOTING MANUAL TABLE OF CONTENTS Parts Lists Family Tree How to Locate Information About a Specific Part Column Content Wiring/connector lists Wiring Lists Provided Wiring Lists Not Provided Connector Mating Information Wire Colours Printed Wiring Board Patterns Reading Electrical Schematics...

  • Page 7: Release Control Record

    GV40/GV30 TROUBLESHOOTING MANUAL RELEASE CONTROL RECORD ISSUE DATE REASON 2018-02-26 Release 4 of GV40/GV30 (NARF75C/02). Supports software version GV SW 4.4.1 or later. VERSION 4.0 2018-02-26 PAGE 4.VII...
  • Page 8 GV40/GV30 TROUBLESHOOTING MANUAL PAGE 4.VIII VERSION 4.0 2018-02-26...

  • Page 9: Responding To Alarms

     Troubleshooting Tips - see page 4.1.33  Replacement Procedures - see page 4.1.43 If none of the procedures and alarms described in this section address your problem, contact Nautel for assistance. See “Technical Support” in the Pre-Installation Manual. Corrective Maintenance Corrective maintenance procedures consist of identifying and correcting defects or deficiencies that arise during transmitter operation.
  • Page 10 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Remote Troubleshooting Remote on-air troubleshooting consists of monitoring the transmitter's radiated signal using an on-air monitor or via a LAN connection, and observing the status of each remote fault alarm indicator. Information obtained from these sources should enable an operator to decide whether an alarm response may be deferred to a more convenient time, an immediate corrective action must be taken, or if a standby transmitter must be enabled (if one is available).

  • Page 11: Electrostatic Protection

    GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Electrostatic Protection The transmitter's assemblies contain semiconductor devices that are susceptible to damage from electrostatic discharge. The following precautions must be observed when handling an assembly which contains these devices. CAUTION! Electrostatic energy is produced when two insulating materials are rubbed together.

  • Page 12: Identifying An Alarm

    Exciter A or B: All alarms in this sub-system apply to an exciter (A or B).  Rack #: All alarms in this sub-system apply to a rack (cabinet) (4 for GV40/GV30).  RF Module #: All alarms in this sub-system apply to a specific RF power module (1 through 16) PAGE 4.1.4...
  • Page 13 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Figure 4.1.1: Transmitter Status Page Click the Status button to go to the Transmitter Status page (see Figure 4.1.1). View the list of active faults. Alarms are listed by their origin ( Device column), then by name ( Alarm column), and then by severity ( Level column) [single orange ! indicates low severity (RF output not affected);...
  • Page 14 If troubleshooting and subsequent replacement of a suspect PWB or module causes the alarm to disappear from the Transmitter Status page, the alarm has been successfully cleared. If the fault condition does not clear, contact Nautel. : Before undertaking any troubleshooting, record all AUI meter readings and note if any other NOTE alarms are displayed on the Transmitter Status page .
  • Page 15 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Controller Module Front Panel Alarm Checks There two ways to check for alarms on the front panel:  Alarm/Status LEDs  View Alarms Screen - see page 4.1.8 Alarm/Status LEDs There are four LEDs on the left-hand side of the LCD display that provide information about the...
  • Page 16 If troubleshooting and subsequent replacement of a suspect PWB or module causes the alarm to disappear from the View Alarms screen, the alarm has been successfully cleared. If the fault condition does not clear, contact Nautel. PAGE 4.1.8 VERSION 4.0 2018-02-26...
  • Page 17 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Exciter Front Panel Alarm Checks There are two LEDs on the left-hand side of the Exciter that provide information about its operational status - Power and Status (see Figure 4.1.4). The Power LED will illuminate green when a valid LVPS input voltage is applied to the A2J1 connector and +5V is present to power the LED.
  • Page 18 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Table 4.1.1: Troubleshooting Alarms Device and Controller Front Alarm Name Description and Troubleshooting Action Panel LED (color) (AUI, UI) Controller: AC Not displayed in AUI or UI status. Configurable as a remote output. This Summary (AC Summ) alarms occurs if there are any ac input related alarms present.
  • Page 19 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Device and Controller Front Alarm Name Description and Troubleshooting Action Panel LED (color) (AUI, UI) Controller: Cutback Output Network This alarm occurs whenever the transmitter experiences a cutback. A Active (amber) cutback (reduction in power) occurs when repeated shutback alarms occur within a prescribed time period.
  • Page 20 [1.063 times the maximum Power Limiting) power setting for all modes; e.g., 46,772 W (GV40) or 35,080 W (GV30) for FM mode]. The transmitter will fold back the forward power each time the threshold is exceeded. This alarm occurs only if the controller ALC cannot respond fast enough to transmitter load changes.
  • Page 21 Controller: High SWR Output Network This alarm occurs if the transmitter's average reflected power exceeds the (amber) high SWR threshold (1120 W). The GV40/GV30 takes no action on this alarm. Inspect the antenna and transmission line system for damage or de- tuning.
  • Page 22 This alarm occurs if the backup battery voltage falls below an acceptable Battery level (2.7 V). The GV40/GV30 takes no action on this alarm. Use a digital multimeter to measure the battery voltage (with ac power on). If the battery voltage is low, replace the battery.
  • Page 23 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Device and Controller Front Alarm Name Description and Troubleshooting Action Panel LED (color) (AUI, UI) Controller: Not displayed in AUI or UI status. Configurable as a remote output.Check Maintenance for related alarms and troubleshoot accordingly.
  • Page 24 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Device and Controller Front Alarm Name Description and Troubleshooting Action Panel LED (color) (AUI, UI) Controller: Power Output Network This alarms occurs in conjunction with the Combiner Match alarm to Discrepancy (amber) indicate unaccounted for RF power in the combiner.
  • Page 25 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Device and Controller Front Alarm Name Description and Troubleshooting Action Panel LED (color) (AUI, UI) Controller: Reduced Output Network Not displayed in AUI or UI status. Configurable as a remote output. This Power Summary (amber) alarms occurs if there are any alarms present that caused the transmitter’s...
  • Page 26 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Device and Controller Front Alarm Name Description and Troubleshooting Action Panel LED (color) (AUI, UI) Controller: Standby Exciter (amber) This alarm occurs when a standby exciter test has been initiated by the user. Exciter Test (Standby Exciter changeovers are inhibited during a standby exciter test.
  • Page 27 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Device and Controller Front Alarm Name Description and Troubleshooting Action Panel LED (color) (AUI, UI) Controller: +1.8V Fail Power Supply (red) This alarm occurs if the +1.8 V supply in the controller is 10% higher or 10% lower than its desired value.
  • Page 28 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Device and Controller Front Alarm Name Description and Troubleshooting Action Panel LED (color) (AUI, UI) Controller: 5kW Output Network This alarm occurs if the 5 kW reject load (A29 or A50) cooling fans are...
  • Page 29 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Device and Controller Front Alarm Name Description and Troubleshooting Action Panel LED (color) (AUI, UI) Exciter A/B: DSP Exciter (red) This alarm indicates that the exciter has detected a misalignment in the Audio Reset audio buffers and has restarted the audio processing in the DSP.
  • Page 30 Exciter A/B: Low Exciter (amber) This alarm occurs if the backup battery voltage falls below 2.7 V. The GV40/ Battery GV30 takes no action on this alarm. Use a digital multimeter to check the battery voltage (with ac power on). If the battery voltage is low, replace the battery.
  • Page 31 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Device and Controller Front Alarm Name Description and Troubleshooting Action Panel LED (color) (AUI, UI) Exciter A/B: No Active Exciter (red) This alarms occurs if there is a fault with the current 10 MHz source being 10MHz (No Act used to clock the exciter.
  • Page 32 Exciter (amber) This alarm indicates that no valid AES/EBU stream data is being detected on SRC2) Unlock the selected AES/EBU input. Check audio input cables. The GV40/GV30 takes no action on this alarm. Exciter A/B: Summary Not displayed in AUI or UI status. Configurable as a remote output. This Alarm alarms occurs if there are any alarms present.
  • Page 33 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Device and Controller Front Alarm Name Description and Troubleshooting Action Panel LED (color) (AUI, UI) Exciter A/B: Not displayed in AUI or UI status. Configurable as a remote output. This Temperature alarms occurs if there are high temperature related alarms occurring. Check Summary Alarm for specific temperature related alarms and troubleshoot accordingly.
  • Page 34 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Device and Controller Front Alarm Name Description and Troubleshooting Action Panel LED (color) (AUI, UI) Module #: High Power Amplifier (red) This alarm occurs if the associated module’s heatsink temperature exceeds Temperature (High 85°C (185°F). This alarm is most likely caused by excessive ambient...
  • Page 35 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Device and Controller Front Alarm Name Description and Troubleshooting Action Panel LED (color) (AUI, UI) Module #: PA 1-4 Fail Power Amplifier (red) This alarm occurs if (1) the PA voltage for the suspect PA is greater than 16 V;...
  • Page 36 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Device and Controller Front Alarm Name Description and Troubleshooting Action Panel LED (color) (AUI, UI) Module #: PS A (or B) Power Supply (red) This alarm occurs if one of the two module power supplies (1 or 2) is...
  • Page 37 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Device and Controller Front Alarm Name Description and Troubleshooting Action Panel LED (color) (AUI, UI) Rack #: This alarm occurs if communication with the controller has been Communication Fail interrupted. This alarm is typically only visible in the Events Log, since it will (Comm Fail) not be transmitted when communication is interrupted.
  • Page 38 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Device and Controller Front Alarm Name Description and Troubleshooting Action Panel LED (color) (AUI, UI) Rack #: LVPS 1/2 A (or Power Supply (red) This alarm occurs if LVPS module 1A (U2), 1B (U3), 2A (U12), or 2B (U13) is...
  • Page 39 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Device and Controller Front Alarm Name Description and Troubleshooting Action Panel LED (color) (AUI, UI) Rack #: +5V Fail Power Supply (red) This alarm occurs if the +5 V supply on the module control/interface PWB (A3) is outside its acceptable voltage range (between +4.5 and +5.5 V).

  • Page 40: Accessing The Inside Of The Transmitter

    Accessing the Inside of the Transmitter The front of the GV40/GV30 has hinged doors that provide access to the remote interface PWB (A16), RF power modules 1 through 16 (A8 through A11, A20 through A23, A36 through A39 and A44...

  • Page 41: Troubleshooting Tips

    Open the front door and use the controller’s UI to navigate to the System Settings -> SBC Reset screen. Select Force SBC Reset and press accept to save the changes (see the GV40/GV30 Operations & Maintenance Manual). If this does not restore operation of the AUI, proceed to Step 3 Remove the rear panel to gain access to the rear of the controller module (A4).
  • Page 42 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS RF Power Module Faults There are many alarms on the AUI (local or remote) or controller UI, prefixed by the text RF Module , that indicate faults related to one or more of the RF power modules. The number that appears after RF Module (1-16) identifies the position of the affected module.
  • Page 43 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Figure 4.1.8: RF Module Status Screen VERSION 4.0 2018-02-26 PAGE 4.1.35...
  • Page 44 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS RF Power Module Fault Validation Each RF power module has a multi-colour LED on its front panel, which can help in identifying a fault and allowing you to determine whether remedial action is required now or later.
  • Page 45 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS  If an RF power module has one or more defective PAs, as indicated by the AUI's Module Status screen (and suspect RF power module's front panel LEDs), but is still contributing to the transmitter's RF output, it may be left on.
  • Page 46 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Power Supply Module and LVPS Faults There are various power supply module and LVPS module related alarms on the AUI (local or remote) or controller UI. Power supply module alarms are prefixed by the text RF Module and then PS . The number that appears after RF Module (1-16) identifies the position of the affected module.
  • Page 47 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Figure 4.1.9: AUI - Meter List View page 1. Click here to open the Meter List View page 2. Click here to view LVPS meters 3. Click here to view power supply module meters Figure 4.1.10: Module Status - Power Supply Meters...
  • Page 48 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Figure 4.1.11: Rack Status - LVPS meters PAGE 4.1.40 VERSION 4.0 2018-02-26...
  • Page 49 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Power Supply or LVPS Module Fault Validation Each power supply and LVPS module has four LEDs on its front panel (see Figure 4.1.12, which can help in identifying a fault and allowing you to determine whether remedial action is required now or later.
  • Page 50 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Table 4.1.3: Other Power Supply LED States Power Supply LED State Condition AC OK DC OK SERVICE FAULT (green) (green) (amber) (red) Thermal alarm (5 degrees before shutdown) Thermal shutdown Defective fan, blown ac fuse, boost stage failure or over...

  • Page 51: Replacement Procedures

    GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Replacement Procedures Table 4.1.4 lists the procedures available in this manual for replacing modules, PWBs and cooling fans. Table 4.1.4: Replacement Procedures Module Replacement Procedure page 4.1.44 RF Power Module page 4.1.47 Power Amplifier PWB RF Module Cooling Fan page 4.1.49...

  • Page 52: Rf Power Module Replacement

    GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS RF Power Module Replacement Removing an RF Power Module Confirm the location of the RF power module that is being removed. Note the alarm text includes a Module number (1-16) that is not identified on the RF power module. See Figure 4.1.13 on page...
  • Page 53 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Figure 4.1.13: RF Power Module Numbers/Locations 10 11 12 13 14 15 16 M5 securing screws (2 per module) Partial Front View - Front Doors Open Enable/Disable Switch VERSION 4.0 2018-02-26 PAGE 4.1.45...

  • Page 54: Troubleshooting Rf Power Modules

    FET. A spare power amplifier PWB (NAPA31C) is provided in the transmitter station spares kit, if purchased. To order a station spares kit or replacement power amplifier PWB contact Nautel. Failure to observe this recommendation may void your equipment warranty or cause further failures.
  • Page 55 : FETs are static sensitive and must be handled in a static protected manner. NOTE Spread a small amount of thermal compound (Nautel Part # HAG39, from the station spares kit), thinly and evenly, on the bottom of the FET flange on the new PA PWB.
  • Page 56 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS PA Resistance Checks Using a digital multimeter, check the continuity across fuse F1 on the suspect PA PWB.  If the measurement is an open circuit, replace the PA PWB (see “PA PWB Replacement” on page 4.1.47).
  • Page 57 Twist the fan’s mating plug three times (reduces RFI) and reconnect it to the splitter PWB. Secure the wiring using a tyrap (Nautel Part # HT66) from the ancillary kit. Re-install the right-hand side cover using retained hardware.
  • Page 58 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS LVPS / Power Supply Module Replacement WARNING! Lethal voltages exist inside the transmitter when the power is turned on. Follow replacement instructions carefully to ensure safety for maintenance personnel during power supply replacement. Figure 4.1.15: Location of LVPS / Power Supply Modules...
  • Page 59 Figure 4.1.16 on page 4.1.51 as a guide, remove the LVPS / Power Supply module from the front of the transmitter. Locate or obtain a replacement LVPS / Power Supply module (Nautel Part # UG92*). Using Figure 4.1.16 on page 4.1.51 as a guide, reinstall the new LVPS / Power Supply module.
  • Page 60 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Verify that the AC OK and DC OK LEDs, on the front of the LVPS / Power Supply module, are solid green. : The FAULT LED (red) may blink temporarily until communication is established between the NOTE power supply and the transmitter.

  • Page 61: Remote Interface Pwb Replacement

    GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Remote Interface PWB Replacement Using Figure 4.1.17 as a guide, replace the remote interface PWB as follows: Figure 4.1.17: Remote Interface PWB Location Customer interlock Customer remote Remote wiring (TB1) control/monitor wiring Interface PWB...
  • Page 62 Remove and retain the six sets of mounting hardware from the remote interface PWB. Remove the remote interface PWB from the transmitter. Locate or obtain a replacement remote interface PWB (Nautel Part # NAPI143/02). Set jumpers E1 and E2 on the new remote interface PWB to the same positions as the defective PWB.

  • Page 63: Cooling Fan Replacement

    GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Cooling Fan Replacement Figure 4.1.18: Removing a Cooling Fan FAN COVERS (secured with M5 screws at the top; B4 B5 B6 hooks at the bottom) B10 B11 B12 B1 B2 B13 B14 B15 B7 B8 B9...
  • Page 64 Retain the fan’s finger guard (Nautel Part # HAA63). Obtain a replacement fan (Nautel Part # ZAP50) from the site spares kit or station spares kit, if purchased or a suitable equivalent (vendor part # is Minebea Motor Mfg. Corp. 3115RL-07W-B79-E51) .

  • Page 65: Reject Load Or Reject Load/Splitter Interface Assembly Replacement

    Slide out the reject load assembly, noting there are hooks in the reject load that fit into slots of its support tray. Obtain a replacement reject load assembly (Nautel Part # NAL17) and install by reversing the instructions in steps 1 through step 3.
  • Page 66 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Figure 4.1.19: Replacing a Reject Load or Splitter Interface Assembly PARTIAL FRONT VIEW (front panels removed) Remove the appropriate cooling fan cover (two or four M5 screws at the top; hooks at the bottom) to...
  • Page 67 Disconnect the mating connectors from the reject load/splitter interface assembly (A28. A30 or A51).  Pull out the reject load/splitter interface assembly. Obtain a replacement reject load/splitter interface assembly (Nautel Part # NAX269) and install it by reversing the instructions in steps 1 through step 3. VERSION 4.0 2018-02-26 PAGE 4.1.59...

  • Page 68: Controller Replacement

    GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Controller Replacement Figure 4.1.20: Location of Controller Module M5 securing hardware Controller Module A4 PARTIAL REAR VIEW PARTIAL FRONT VIEW (panels removed) (front doors open) If possible, use the controller’s front panel UI and the remote AUI to record all custom user settings including: network settings, preset/audio settings, user accounts, logs, SNMP configuration, email configuration, time zone, notifications and playlists.
  • Page 69 If you are replacing the controller module’s controller PWB (A2), see “Controller PWB Replacement - Controller” on page 4.1.65. Obtain a replacement controller module (Nautel Part # NAC118C) and install it by reversing the instructions in Step 4 Step Enable and turn on ac power to the transmitter.

  • Page 70: Single-Board Computer (Sbc) Replacement

    GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Single-Board Computer (SBC) Replacement Using Figure 4.1.21 as a guide, replace the controller module’s (NAC118C) single-board computer (SBC) (A4A1) as follows: Figure 4.1.21: Single-Board Computer A4A1 (inside controller module A4) NOTE: Flash Card (U5)
  • Page 71 Remove the SBC from the controller module by removing five M3 securing screws. Locate or obtain the replacement SBC (Nautel Part # 207-8710-01). The replacement SBC does not contain a compact flash card (A1U5). Obtain the card from the SBC removed in...
  • Page 72 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Figure 4.1.22: Upgrade Software - About screen indicates a controller upgrade is available in version 2.7.0.3 PAGE 4.1.64 VERSION 4.0 2018-02-26...

  • Page 73: Controller Pwb Replacement - Controller

    GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Controller PWB Replacement - Controller Using Figure 4.1.23 as a guide, replace the controller module’s controller PWB (A4A2) as follows: Figure 4.1.23: Controller PWB Location - Controller Module top view CONTROLLER TOP VIEW (cover removed) Remove the controller module (A4) as described in “Controller Replacement”...
  • Page 74 PWB. Retain hardware for re-installation. Slightly lift the front edge of the controller PWB and pull towards the front of the controller. Locate or obtain a replacement controller PWB (Nautel Part # NAPC163). CAUTION! When re-installing the controller PWB, lift the PWB high enough so that the mounting pillars do not damage parts on the underside of the PWB.

  • Page 75: Exciter Replacement

    GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Exciter Replacement Figure 4.1.24: Location of Exciter Module M5 securing hardware Exciter A (A5) Exciter B (A6) (optional) PARTIAL REAR VIEW PARTIAL FRONT VIEW (panels removed) (front doors open) For dual exciter transmitters, ensure the other exciter (A5 or A6) is operating as the main RF drive source and disable automatic changeover (see the Operations &...
  • Page 76 If you are replacing the exciter module’s exciter/control PWB (A1), see “Exciter/Control PWB Replacement - Exciter” on page 4.1.69. Obtain a replacement exciter module (Nautel Part # NAE107A or newer) and install it by reversing the instructions in Step 3 Step Close the transmitter’s front door and re-install the upper, rear, right-hand side panel.

  • Page 77: Exciter/Control Pwb Replacement - Exciter

    GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Exciter/Control PWB Replacement - Exciter Using Figure 4.1.25 as a guide, replace the exciter module’s exciter/control PWB (A5A1 or A6A1) as follows: Figure 4.1.25: Exciter/Control PWB Location - Exciter EXCITER/ CONTROL TOP VIEW (cover removed) Remove the exciter module (A5 or A6, as applicable) as described in “Exciter Replacement”...
  • Page 78 Slightly lift the front edge of the exciter/control PWB and pull towards the front of the exciter. Locate or obtain a replacement exciter/control PWB (Nautel Part # NAPE86A or newer). Remove the “push” lever from the XLR connector as detailed in...
  • Page 79 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Figure 4.1.26: Removing the XLR connector’s “push” lever Figure 4.1.27: Loosening the BNC connector’s locking ring VERSION 4.0 2018-02-26 PAGE 4.1.71...

  • Page 80: Pre-Amplifier Pwb Replacement - Exciter

    GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Pre-Amplifier PWB Replacement - Exciter Using Figure 4.1.28 Figure 4.1.29 on page 4.1.73 as guides, replace the exciter module’s pre- amplifier PWB (A5A3) as follows:. Figure 4.1.28: Pre-Amplifier PWB Location - Exciter TOP VIEW...
  • Page 81 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Figure 4.1.29: Pre-Amplifier PWB Assembly Detail M4 SECURING SCREWS (QTY 6) PAD D PADS A and E PLASTIC WIRES TO UNSOLDER HARDWARE HEATSINK (4 PLACES) INSULATOR FOR U1 FOR U1 PAD C PAD B...
  • Page 82 : FETs are static sensitive and must be handled in a static protected manner. NOTE Spread a small amount of thermal compound (Nautel Part # HAG39, from the station spares kit), thinly and evenly, on the bottom of the new pre-amplifier PWB.

  • Page 83: Module Control/Interface Pwb Replacement

    GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Module Control/Interface PWB Replacement Using Figure 4.1.30 as a guide, replace one of the module control/interface PWBs (A3, A18, A34, A42) as follows: Figure 4.1.30: Module Control/Interface PWB Location M3 securing hardware (14 nuts/...
  • Page 84 Remove eight M3 screws that connect the PWB’s edge-card connectors to the transmitter. Pull out the module control/interface PWB. Obtain a replacement module control/interface PWB (Nautel Part # NAPC158B) and install it by reversing the instructions in Step 1...
  • Page 85 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS 12. Return the transmitter to service. VERSION 4.0 2018-02-26 PAGE 4.1.77...

  • Page 86: Power Supply Interface Pwb Replacement

    GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Power Supply Interface PWB Replacement Using Figure 4.1.31 as a guide, replace one of the power supply interface PWBs (A1, A17, A33, A41) as follows: Figure 4.1.31: Power Supply Interface PWB Location Power Supply...

  • Page 87: Ups Interface Power Supply Replacement

    Remove 24 sets of M3 nuts and washers that secure the power supply interface PWB to the transmitter and pull out the power supply interface PWB. Obtain a replacement power supply interface PWB (Nautel Part # NAPI150A/01) and install it by reversing the instructions in...
  • Page 88 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Obtain the replacement power supply (Nautel Part # UG31) and install in the UPS assembly using the four M4 screws retained in step 3. Apply ac power to the UPS interface only. Use a DMM to monitor the dc voltage between the +V and -V terminals of the UG31.

  • Page 89: Power Module Combiner Pwb (Naph06) Replacement

    HAZARDOUS IF INHALED. Unserviceable devices should be disposed of as harmful waste Using a standard soldering iron, remove the high-power resistors (R1 through R6; Nautel Part # RT69) by first unsoldering their leads from the PWB traces (both sides) and then removing the resistor securing screws (2 M3 Phillips screws per resistor);...
  • Page 90 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS Figure 4.1.34: NAPH06 Combiner PWB De-soldering locations Using the standard iron, unsolder wire #05 (white coaxial cable marked with “-05”) reject power sample coaxial cable core from pad C and shield from pad E. Tie back cable temporarily.
  • Page 91 WF09) to make new links. 14. Apply a very thin and evenly distributed layer of thermal paste (Nautel part # HAG39 to the bottom of the high power resistors (Nautel Part # RT69). Install the resistors in the R1 through R6 position...

  • Page 92: Power Module Combiner Pwb (Pr82C) Replacement

    HAZARDOUS IF INHALED. Unserviceable devices should be disposed of as harmful waste Using the standard soldering iron, remove the high-power resistors (R1 and R2; Nautel Part # RT69) by first unsoldering their leads from the PWB traces (both sides) and then removing the resistor securing screws (2 M3 Phillips screws per resistor);...
  • Page 93 12. Re-install the power amplifier output links between the combiner pads D and E and the PA outputs using the standard soldering iron. If links are damaged, use tinned copper wire (Nautel part # WF09) to make new links.
  • Page 94 GV40/GV30 TROUBLESHOOTING MANUAL RESPONDING TO ALARMS 13. Apply a very thin and evenly distributed layer of thermal paste (Nautel part # HAG39) to the bottom of the high power resistors (Nautel Part # RT69). Install the resistors in the R1 and R2...

  • Page 95: Parts Lists

    To locate the information for a specific part, the assigned reference designation for the part must be known. In addition, the Nautel nomenclature (e.g., NAA61C) assigned to the assembly containing the part or the full reference designation, including the reference designation of all higher assemblies, must be known.

  • Page 96: Column Content

    Nautel configuration control number.  Locate the part's reference designation and associated Nautel Part # in the list provided at the end of this section. In a PDF manual, use Ctrl-F (find) to quickly locate the reference designation. Reference Designation Lists Reference designation lists are provided for: ...
  • Page 97 This number represents the level of a component in relation to the highest level parts list. In this case the highest level parts list is the GV40/GV30’s overall parts list, or the top block in the family tree shown in Figure 4.2.1 on page...
  • Page 98 GV40/GV30 TROUBLESHOOTING MANUAL PARTS LISTS Figure 4.2.1: GV40/GV30 Family Tree GV40/GV30 40 kW or 30 kW FM BROADCAST TRANSMITTER NARF75C/02 POWER SUPPLY INTERFACE PWB MONITOR FAN ASSEMBLY MODULE CONTROL/INTERFACE PWB NAPI150A/01 NAX273A NAPC158B CONTROLLER EXCITER A NAC118C NAE107B (Analog) or NAE107B/01 (HD)
  • Page 99 GV40/GV30 TROUBLESHOOTING MANUAL PARTS LISTS Figure 4.2.2: GV40/GV30 Family Tree (continued) COMBINER/FILTER, 10 kW (RHS) OUTPUT POWER PROBE ASSY NAF119/05 NOT USED NOT USED NAFP109B A12A1 10kW FILTER ASSY (RHS) A15A1 A15A2 NAF118/01 FORWARD RF SAMPLE PWB REFLECTED RF SAMPLE PWB...
  • Page 100 GV40/GV30 TROUBLESHOOTING MANUAL PARTS LISTS Figure 4.2.3: GV40/GV30 Family Tree (continued) REJECT LOAD/SPLITTER INTERFACE ASSY 4-INPUT REJECT LOAD ASSY, 1500 W SPLITTER POWER SUPPLY INTERFACE PWB (SAME AS A28) (SAME AS A29) (3 dB HYBRID COUPLER) NAX269 NAL17 219-6400 NAPI150A/01...

  • Page 131: Wiring/Connector Lists

    GV40/GV30 TROUBLESHOOTING MANUAL WIRING/CONNECTOR LISTS SECTION 4.3: WIRING/CONNECTOR LISTS This section contains the wiring information for the hard-wired assemblies of the transmitter, and applicable connector mating information. Wiring Lists Provided Wiring lists are provided in tabular format. Table 4.3.1 on page 4.3.2 lists the tables containing wiring information.
  • Page 132 Wiring List - NAA61C RF Power Module ( Table 4.3.2: Connector Mating Information Provided TABLE # Description Table 4.3.4 page 4.3.12 Connector Mating Information - GV40/GV30 Transmitter ( Table 4.3.6 page 4.3.19 Connector Mating Information - NAC118C Controller ( Table 4.3.8 page 4.3.21 Connector Mating Information - NAE107B or NAE107B/01 Exciter ( Table 4.3.10...
  • Page 133 GV40/GV30 TROUBLESHOOTING MANUAL WIRING/CONNECTOR LISTS Table 4.3.3: Wiring List - GV40/GV30 Transmitter Source Destination Wire # Colour Size Remarks TB1-1B1 TB2-1A1 Grey TB1-1B2 TB2-1A1 Grey TB1-1B3 TB3-1A1 Grey TB1-1B4 TB3-1A1 Grey TB1-2B1 TB2-2A1 Grey TB1-2B2 TB2-2A1 Grey TB1-2B3 TB3-2A1 Grey...
  • Page 134 GV40/GV30 TROUBLESHOOTING MANUAL WIRING/CONNECTOR LISTS Table 4.3.3: Wiring List - GV40/GV30 Transmitter Source Destination Wire # Colour Size Remarks TB2-2B1 A1E28-- Grey 3ph 208VAC TB2-2B2 A1E2-- Grey 3ph 208VAC TB2-2B3 A1E12-- Grey 3ph 208VAC TB2-3B1 A1E18-- Grey 3ph 208VAC TB2-3B2...
  • Page 135 GV40/GV30 TROUBLESHOOTING MANUAL WIRING/CONNECTOR LISTS Table 4.3.3: Wiring List - GV40/GV30 Transmitter Source Destination Wire # Colour Size Remarks TB2-3B1 A1E12-- Grey 3ph 380Vac TB2-4B4 A1E18-- Grey 3ph 380Vac TB2-4B2 A1E15-- Grey 3ph 380Vac TB3-1B1 A17E9-- Grey 3ph 380Vac TB3-2B1...
  • Page 136 GV40/GV30 TROUBLESHOOTING MANUAL WIRING/CONNECTOR LISTS Table 4.3.3: Wiring List - GV40/GV30 Transmitter Source Destination Wire # Colour Size Remarks TB2-2B2 A1E15-- Grey 1ph 240VAC TB3-1B2 A17E9-- Grey 1ph 240VAC TB3-1B4 A17E12-- Grey 1ph 240VAC TB3-1B1 A17E27-- Grey 1ph 240VAC TB3-2B2...
  • Page 137 GV40/GV30 TROUBLESHOOTING MANUAL WIRING/CONNECTOR LISTS Table 4.3.3: Wiring List - GV40/GV30 Transmitter Source Destination Wire # Colour Size Remarks A1E14-- E3-- Black A1E16-- E4-- White A1E17-- E5-- Black A1E13-- E32-- White A1E14-- E33-- Black A1E16-- E34-- White A1E17-- E35-- Black...
  • Page 138 GV40/GV30 TROUBLESHOOTING MANUAL WIRING/CONNECTOR LISTS Table 4.3.3: Wiring List - GV40/GV30 Transmitter Source Destination Wire # Colour Size Remarks A1E10-- A3E1-- White A1E11-- E19-- Black A1E5-- A3E2-- White A1E6-- E19-- Black Not Used Not Used Not Used Not Used A17E23--...
  • Page 139 GV40/GV30 TROUBLESHOOTING MANUAL WIRING/CONNECTOR LISTS Table 4.3.3: Wiring List - GV40/GV30 Transmitter Source Destination Wire # Colour Size Remarks A33E8-- E26-- Black A33E3-- A34E4-- White A33E4-- E26-- Black A33E10-- A34E1-- White A33E11-- E27-- Black A33E5-- A34E2-- White A33E6-- E27-- Black...
  • Page 140 GV40/GV30 TROUBLESHOOTING MANUAL WIRING/CONNECTOR LISTS Table 4.3.3: Wiring List - GV40/GV30 Transmitter Source Destination Wire # Colour Size Remarks P6-8 P7-8 White P6-7 P7-7 White P6-6 P7-6 White P14-17 P10-- White P14-16 P11-- White Not Used P15-10 P7-1 White P15-11...
  • Page 141 GV40/GV30 TROUBLESHOOTING MANUAL WIRING/CONNECTOR LISTS Table 4.3.3: Wiring List - GV40/GV30 Transmitter Source Destination Wire # Colour Size Remarks P23-* P20-5 Shield P23-3 P20-3 Conductor P23-* P20-5 Shield Not Used Not Used XF1-Center White VERSION 4.0 2018-02-26 PAGE 4.3.11...
  • Page 142 GV40/GV30 TROUBLESHOOTING MANUAL WIRING/CONNECTOR LISTS Table 4.3.4: Connector Mating Information - GV40/GV30 Transmitter Connector Mate Remarks A27W1P1 A28A1J A29W1P1 A30A1J1) A31W1P1 A30A1J A50W1P1 A51A1J1 A52W1P1 A51A1J6 B1P1 A28A2J4 B2P1 A28A2J5 B3P1 Not Used B4P1 A30A2J1 B5P1 A30A2J2 B6P1 A30A2J3 B7P1...
  • Page 143 GV40/GV30 TROUBLESHOOTING MANUAL WIRING/CONNECTOR LISTS Table 4.3.4: Connector Mating Information - GV40/GV30 Transmitter Connector Mate Remarks A51A1J4 P17 - P18 Not Used XF1-B A2A1J1 A2S1-N/C A2S1-COM A3J15 Not Used W2P1 A4 - XMTR LINK W2P2 A3J19 W3P1 A3J20 W3P2 A1J1...
  • Page 144 GV40/GV30 TROUBLESHOOTING MANUAL WIRING/CONNECTOR LISTS Table 4.3.4: Connector Mating Information - GV40/GV30 Transmitter Connector Mate Remarks W18P1 A12J7) W18P2 A31J1) Not Used W20P1 A4 - REMOTE I/O-A) W20P2 A16J4) W21P1 A4 - REMOTE I/O-B) W21P2 A16J3) Not Used W29P1 A4 - LAN...
  • Page 145 GV40/GV30 TROUBLESHOOTING MANUAL WIRING/CONNECTOR LISTS Table 4.3.4: Connector Mating Information - GV40/GV30 Transmitter Connector Mate Remarks W40P1 A32J3 W40P2 A27A1J4 W41P1 K1-COM W41P2 A32J1 W42P1 A27A1J2 W42P2 A7A1J1 W43P1 A27A1J3 W43P2 A19A1J1 W44P1 A19A2J1 W44P2 A18J14 W45P1 A19A2J2 W45P2 A18J13...
  • Page 146 GV40/GV30 TROUBLESHOOTING MANUAL WIRING/CONNECTOR LISTS Table 4.3.4: Connector Mating Information - GV40/GV30 Transmitter Connector Mate Remarks W59P1 A27A1J6 W59P2 A43A1J1 W60P1 A35A2J1 W60P2 A34J14 W61P1 A35A2J2 W61P2 A34J13 W62P1 A35A2J3 W62P2 A34J12 W63P1 A35A2J4 W63P2 A34J11 W64P1 A40J5 W64P2 A50J1...
  • Page 147 GV40/GV30 TROUBLESHOOTING MANUAL WIRING/CONNECTOR LISTS Table 4.3.4: Connector Mating Information - GV40/GV30 Transmitter Connector Mate Remarks W78P1 A48J5 W78P2 A50J3 W79P1 A48J6 W79P2 A50J4 W80P1 A48J7 W80P2 A31J4 W81P1 A51A1J3 W81P2 A42J1) W82P1 A42J W82P2 A51A1J2 Not Used W84P1 A49J1...
  • Page 148 GV40/GV30 TROUBLESHOOTING MANUAL WIRING/CONNECTOR LISTS Table 4.3.5: Wiring List - NAC118C GV Controller Source Destination Wire # Colour Size Remarks P1-1 P2-1 White P1-2 P2-2 White P1-3 P2-11 White P1-4 P2-12 White P1-5 P2-16 White P1-6 P2-15 Black P1-7 P2-10...
  • Page 149 GV40/GV30 TROUBLESHOOTING MANUAL WIRING/CONNECTOR LISTS Table 4.3.6: Connector Mating Information - NAC118C GV Controller Connector Mate Remarks A4J2 UI Interface to Display U1H1 UI Interface to Display A3J4 Power Supply Distribution A2J1 Power Supply Distribution A1_CPU12V1 SBC Power A2J13 SBC Power...
  • Page 150 GV40/GV30 TROUBLESHOOTING MANUAL WIRING/CONNECTOR LISTS Table 4.3.7: Wiring List - NAE107B or NAE107B/01 Exciter Source Destination Wire # Colour Size Remarks P1-1 P2-1 White P1-5 P2-5 Black P1-11 P2-11 White P1-13 P2-24 Black P1-18 P2-4 White P1-17 P2-17 White P1-19...
  • Page 151 GV40/GV30 TROUBLESHOOTING MANUAL WIRING/CONNECTOR LISTS Table 4.3.7: Wiring List - NAE107B or NAE107B/01 Exciter Source Destination Wire # Colour Size Remarks A3-B- C9E2-- LINK A3-D- A4-X- LINK A4-D- A5-D- A5-F- J2-Conductor Link C8E2-- RT1-A Black Thermistor Lead C7E2-- RT1-B Black Thermistor Lead Table 4.3.8: Connector Mating Information - NAE107B or NAE107B/01 Exciter...
  • Page 152 GV40/GV30 TROUBLESHOOTING MANUAL WIRING/CONNECTOR LISTS Table 4.3.10: Connector Mating Information - GV Exciter Cableset Assembly Connector Mate Remarks W23P1 A4 - EXCITER LINK W23P2 A3J16 W24P1 A3J17 W24P2 A5A1J2 W25P1 A3J18 W25P2 A6A1J2 If A6 installed, else tie back W26P1...
  • Page 153 GV40/GV30 TROUBLESHOOTING MANUAL WIRING/CONNECTOR LISTS Table 4.3.11: Wiring List - NAA61C RF Power Module Source Destination Wire # Colour Size Remarks A5TB1-1 A1-U White A5TB1-3 A2-U White A5TB1-2 A3-U White A5TB1-4 A4-U White A5-A A1-V Link A5-D A2-V Link A5-G...
  • Page 154 GV40/GV30 TROUBLESHOOTING MANUAL WIRING/CONNECTOR LISTS Table 4.3.13: Connector Mating Information - NAL17 Reject Load Assy Connector Mate Remarks W1P1 W1P1 W1P2 A1J1 W1P3 A1J2 Table 4.3.14: Connector Mating Information - NAI26 Rf Drive Splitter Connector Mate Remarks W1P1 W1P1 W1P2 A1J8 Table 4.3.15: Connector Mating Information - NAX269 Reject Load Splitter...

  • Page 155: Reading Electrical Schematics

    Resistor power ratings are not shown when less than 0.5 W Unidentified diodes are part number BAS21HT1 (Nautel Part # QDRS01) 24V Unidentified transient suppressors are part number 0603E SDA-TR1 (Nautel Part # QR70) Graphic and Logic Symbols The graphic symbols used on electrical schematics are in accordance with American National Standard ANSI Y32.2-1975 - Graphic Symbols for Electrical and Electronic Diagrams.

  • Page 156: Unique Symbols

    GV40/GV30 TROUBLESHOOTING MANUAL READING ELECTRICAL SCHEMATICS Unique Symbols Nautel uses unique symbols on electrical schematics to describe logic (two-state) signals. These signals differ from single-state signals or analog signals that may have multiple values. Type of Inputs and Outputs On electrical schematics, names used to describe logic (two-state) input and output signals are prefixed with a # symbol.

  • Page 157: Structure Of Schematics

    4.2.1. Follow the family tree branches to the block that contains the desired reference designation, and associated Nautel nomenclature (e.g., NAPA31C Power Amplifier PWB ). Note the reference designations and Nautel nomenclatures of all higher assemblies in the path. Example: A8 NAA61C RF Module Assy 1 -> A8A1 NAPA31C Power Amplifier PWB .

  • Page 158: Locating A Part Or Assembly On A Schematic

    Follow the family tree branches to the block that contains the desired reference designation, while noting the Nautel nomenclatures and names of all higher assemblies in the path. Example: A8 NAA61C RF Module Assy 1 -> A8A1 NAPA31C Power Amplifier PWB .
  • Page 159 Table 4.4.1: List of Electrical Schematics Figure # Title SD-1A GV40/GV30 Transmitter - Ac-Dc Power Stage, 3-Phase, 90-265 V ac (Sheet 1 of 3) SD-1B GV40/GV30 Transmitter - Ac-Dc Power Stage, 3-Phase, 156-459 V ac (Sheet 1 of 3) SD-1C...
  • Page 160 GV40/GV30 TROUBLESHOOTING MANUAL READING ELECTRICAL SCHEMATICS Table 4.4.1: List of Electrical Schematics Figure # Title SD-33 NAE107B or NAE107B/01 Exciter SD-34 NAPS47C/01 Power Supply Distribution PWB (Sheet 1 of 2) SD-35 NAPS47C/01 Power Supply Distribution PWB (Sheet 2 of 2)
  • Page 161 CUSTOMER STATION REFERENCE GROUND TO ALL SHEETS CONNECTION POINT REAR RHS PANEL BONDING WIRE REAR LHS PANEL S2190227 V1 BONDING WIRE Figure SD-1A: GV40/GV30 Transmitter - Ac-Dc Power Stage, 3-Phase, 90-265 V ac (Sheet 1 of 3) VERSION 4.0 2018-02-26 SD-1A...
  • Page 162 CUSTOMER STATION REFERENCE GROUND TO ALL SHEETS CONNECTION POINT REAR RHS PANEL BONDING WIRE S2190229 V1 REAR LHS PANEL BONDING WIRE Figure SD-1B: GV40/GV30 Transmitter - Ac-Dc Power Stage, 3-Phase, 156-459 V ac (Sheet 1 of 3) VERSION 4.0 2018-02-26 SD-1B...
  • Page 163 CUSTOMER STATION REFERENCE GROUND TO ALL SHEETS CONNECTION POINT REAR RHS PANEL BONDING WIRE S2190228 V1 REAR LHS PANEL BONDING WIRE Figure SD-1C: GV40/GV30 Transmitter - Ac-Dc Power Stage, 1-Phase, 90-265 V ac (Sheet 1 of 3) VERSION 4.0 2018-02-26 SD-1C...
  • Page 164 GND (RACK 1) GND (RACK 2) SHEET 1 SHEET 2 GND (RACK 1) GND (RACK 2) POWER SUPPLY POWER SUPPLY MODULE 4B MODULE 8B S2190230 V1 Figure SD-2: GV40/GV30 Transmitter - Ac-Dc Power Stage (Sheet 2 of 3) VERSION 4.0 2018-02-26 SD-2...
  • Page 165 SPI STATUS DATA RS485 (RACK 3) - TO CONTROL/ MONITOR N/A (RACK 3) STAGE GND (RACK 3) SHEET 2 GND (RACK 3) POWER SUPPLY MODULE 12B S2190231 V1 Figure SD-3: GV40/GV30 Transmitter - Ac-Dc Power Stage (Sheet 3 of 3) VERSION 4.0 2018-02-26 SD-3...
  • Page 166 SPI STATUS DATA RS485 (RACK 1) + FROM AC/DC POWER STAGE SPI STATUS DATA RS485 (RACK 1) - SHEET 2 N/A (RACK 1) GND (RACK 1) GND (RACK 1) S2190287 V3 Figure SD-4: GV40/GV30 Transmitter - Control/Monitor Stage (Sheet 1 of 2) VERSION 4.0 2018-02-26 SD-4...
  • Page 167 SPLITTER FAN VOLTS - SPLITTER FAN 1 TACH SPLITTER FAN VOLTS - FROM RF DRIVE STAGE SPLITTER FAN 2 TACH # EXCITER RELAY CONTROL (B) + S2190233 V2 Figure SD-5: GV40/GV30 Transmitter - Control/Monitor Stage (Sheet 2 of 2) VERSION 4.0 2018-02-26 SD-5...
  • Page 168 EXCITER B STREAMING DATA TX + EXCITER B STREAMING DATA TX - EXCITER B RX + EXCITER B RX - # EXCITER B MUTE - Figure SD-6: GV40/GV30 Transmitter - RF Drive Stage, Single (Sheet 1 of 2) VERSION 4.0 2018-02-26 SD-6...
  • Page 169 EXCITER A TX + EXCITER A TX - A1J2 EXCITER A STREAMING DATA TX + (XMTR LINK) EXCITER A STREAMING DATA TX - S2190235 V1 Figure SD-7: GV40/GV30 Transmitter - RF Drive Stage, Dual (Sheet 2 of 2) VERSION 4.0 2018-02-26 SD-7...
  • Page 170 RF POWER 10kW REJ LD FAN VOLTS - MODULE MODULE -180° 10kW REJ LD FAN VOLTS - (SAME AS A8) (SAME AS A8) S2190236 V3 Figure SD-8: GV40/GV30 Transmitter - RF Power Stage (Sheet 1 of 4) VERSION 4.0 2018-02-26 SD-8...
  • Page 171 (SAME AS A20) FINAL REJ LD FAN VOLTS + A1J4 S2190237 V3 FINAL REJ LD FAN VOLTS - FINAL REJ LD FAN VOLTS - Figure SD-9: GV40/GV30 Transmitter - RF Power Stage (Sheet 2 of 4) VERSION 4.0 2018-02-26 SD-9...
  • Page 172 2) RF POWER MODULE OUTPUT CONNECTOR J1 AND SPECIFIC 10kW COMBINER/FILTER ASSY CONNECTOR ARE BLIND-MATE CONNECTIONS. (SAME AS A36) (SAME AS A36) (SAME AS A44) (SAME AS A44) S2190238 V2 Figure SD-10: GV40/GV30 Transmitter - RF Power Stage (Sheet 3 of 4) VERSION 4.0 2018-02-26 SD-10...
  • Page 173 FROM RF POWER STAGE SHEET 3 10kW COMBINER/FILTER 20kW REJ LD PWR (9-16) TO RF POWER STAGE W84P1 OUTPUT 13-16 SHEET 2 S2190239 V2 Figure SD-11: GV40/GV30 Transmitter - RF Power Stage (Sheet 4 of 4) VERSION 4.0 2018-02-26 SD-11...
  • Page 174 LVPS_OUTPUT_SET_DATA(MOSI) DO/RI SER_IN 56.2 DRAIN0 SPI LVPS OUTPUT SET DATA DS36C278TM 100K (RS-485) CR10 DRAIN1 56.2 47.5K DO/RI STPIC6C595M DRAIN2 27.4K DRAIN3 PS MARGIN LVPS A 18.2K DO/RI 0.01 0.001 SRCK DRAIN4 56.2 12.1K SPI SCK DS36C278TM (RS-485) DRAIN5 56.2 8250 DO/RI DRAIN6...
  • Page 175 VAC_1_A(L) VAC L1 VAC_3_(L) VAC L1 VAC_2_A(N) VAC L2/N VAC_4_(N) VAC L2/N VOUT VOUT VOUT VOUT PS 1A PS 3A CR15 CR11 POWER POWER 0.01 VTVS8V5ASMF-M3 0.01 VTVS8V5ASMF-M3 SUPPLY SUPPLY # PS ON - # PS ON - VAC_3_(L) VAC L1 LVPS-A R162 SHELF ADDR...
  • Page 176 TP15 TP16 TP17 TP18 TP14 R108 R103 R104 R109 R121 4750 4750 12.1K 4750 4750 # RECTIFIER R115 FAULT - TP29 TP30 R161 R165 # OVERTEMP 12.1K 4750 12.1K 4750 R100 WARNING - # MODULE # MODULE R159 POWER PRESENT - POWER PRESENT - POWER...
  • Page 177 +12V 10.0K 10.0K MONITOR FAN 1A TACH MONITOR FAN STATUS MONITOR FAN STATUS RTN +12V BAT54HT1 BAT54HT1 6810 1.00M 1.00M 10.0K MONITOR FAN 1B TACH BAT54HT1 BAT54HT1 6810 1.00M NOTE: EXTERNAL SUPPLY MUST BE MONITOR FAN SUPPLY FUSED AT 6A OR LESS. VOLTS (EXT.
  • Page 178 #MAIN_SPI_ENABLE- +3.3V +3.3V #PS_STATUS_CS- MOSI U39:C R687 R688 R634 TO SHEETS 3,4,5,6,7,8,10 10.0K 10.0K U27:B MISO FROM SHEET 8 /MISO U39:D R632 MOSI_3V3 MOSI/ R633 TO SHEET 4 U27:C PS_STATUS_DATA(MISO) SCK_3V3 FROM SHEET 4 SCK/ R631 MODULE_FAN_PWM TO SHEETS 5 & 7 R226 1000 PROGRAM/...
  • Page 179 TP32 R614 10.0K # XMTR INTERRUPT - # XMTR INTERRUPT - L120 L214 L112 L114 C475 C474 C488 C484 22pF 470pF 470pF 22pF MMBT4401LT1 R231 R288 R232 R258 TP33 1000 10.0K R158 EXCITER A CR24 U28:C R611 R156 R706 10.0K SN74HC257PW # XMTR SHUTBACK- # XMTR SHUTBACK -...
  • Page 180 REJ POWER SAMPLE 1 C588 C589 22pF 470pF TP18 +3.3V R743 R151 10.0K 10.0K TP10 #SHUTBACK_CLEAR+ #REJ_SHUTBACK_LATCH+ FROM SHEET 2 TO SHEET 2 C610 C611 C612 22pF 470pF 18.2K 0.01 U22:A 10.0K +3.3V R761 10.0K R127 4750 R114 U19:B R125 REJ POWER SAMPLE 2 BAT54HT1 1000...
  • Page 181 +3.3V C214 RESET R340 +3.3V 10.0K #RF_ATTEN_LOAD+ C188 C187 FROM SHEET 2 LATCH_CLK PUP1 MC74HC595AD PUP2 U63:E SCK_3V3 TLV2374ID SHIFT_CLK C196 C0.5 DATA FROM SHEET 1 CLOCK MOSI_3V3 PE4302 U22:C +3.3V SN74LVC74APW C559 TP39 FLTR SMPL C194 0.01 R339 AD8361ARM 10.0K VPOS VRMS...
  • Page 182 R464 4750 TP47 # MODULE L180 L195 PRESENT (1) - C270 C283 R457 C313 22pF 470pF 0.001 R417 R447 10.0K FAN_VOLTS +5V (1) R523 FROM SHEET 3 C365 C375 L191 C282 C392 L177 50 OHMS 4750 C252 C256 C266 RF DRIVE (1) 0.01 100pF RF DRIVE (1)
  • Page 183 R347 4750 # MODULE L141 L157 C175 C183 R335 C213 C411 PRESENT (2) - 22pF 470pF 0.001 R330 R582 4750 PM2_FAN_DATA # MODULE TO SHEET 7 L208 L206 C436 C432 R586 C423 INHIBIT (2) - 22pF 470pF 0.001 R591 R348 50 OHMS 4750 RF DRIVE (2)
  • Page 184 R217 4750 # MODULE L106 PRESENT (3) - C110 R201 C128 22pF 470pF 0.001 TP19 R197 R652 R159 4750 10.0K FAN_VOLTS # MODULE 50 OHMS FROM SHEET 3 L217 C537 C524 L216 R658 C511 RF DRIVE (3) INHIBIT (3) - RF DRIVE (3) 22pF 470pF...
  • Page 185 4750 # MODULE 61 PRESENT (4) - C587 22pF 470pF 0.001 R752 4750 PM4_FAN_DATA # MODULE 62 TO SHEET 1 L228 L226 INHIBIT (4) - C636 C623 R756 C606 22pF 470pF 0.001 R763 MC74HC165AD 4750 50 OHMS FAN TACH 1 (4) 63 RF DRIVE (4) RF DRIVE (4) 22pF...
  • Page 186 USB 1 W4P2 W4P1 +12V (SBC) CPU12V1 USB VBUS W4P1 USB D- USB4_5 USB D+ SINGLE BOARD +12V OUT (MONITOR) COMPUTER USB GND B1L1 B1P1 CPLD JTAG # SBC RESET - F_PANEL FAN VOLTS (+) RETURN USB 2 DSP JTAG W5P2 W5P1 MOTHERBOARD...
  • Page 187 +3.3V DSP_DATA15 SA10 DQ15 R144 (N/C) DSP_DATA15 DSP_DATA14 U35:H U37:G 2210 DATA15 ADDR19 DQ14 DS1825U DSP_DATA14 U35:G U37:H DSP_DATA13 DATA14 ADDR18 DQ13 DSP_DATA13 U35:F DSP_DATA12 +3.3V U23:B U23:C +3.3V DATA13 ADDR17 DQ12 U23:E DSP_DATA12 U35:E DSP_DATA11 +3.3V C149 74VHC125M DATA12 ADDR16 DQ11 C150...
  • Page 188 # SBC RESET - C105 RESET F3.15 +2.5V REF+ C162 F2.11 R138 3320 F2.12 #INTERLOCK- ADC_SCK # XMTR PA FROM SHEET 5 FROM SHEET 1 F2.15 I/O_CLK PERIPHERAL_SCK CR25 VOLTS ENABLE - ADC_MOSI FROM SHEET 1 I/O/GCK1 470pF 22pF FROM SHEET 1 ADDRESS PERIPHERAL_MOSI F7.5...
  • Page 189 MUTE +3.3V C141 C146 C143 U33:A VDD33 DSP_DOWNSTREAM_TX EXCITER TX (+) FROM SHEET 1 R207 R206 49.9 22.1 +1.8V VDD18 R150 EXCITER TX (-) C142 R213 ANALOG R149 56.2 49.9 AES/EBU 56.2 SHIELD CR27 CR26 +3.3V VBUS SRC4382IPFB R220 U33:B DOUT RX1+ DSP_DOWNSTREAM_RX...
  • Page 190 REMOTE OUTPUTS DRAIN0 # RF ON STATUS - C181 12.1 DRAIN1 # REMOTE STATUS - 12.1 STPIC6C595M # SUMMARY ALARM - DRAIN2 12.1 R44 DRAIN3 # INTERLOCK OPEN ALARM - 12.1 # HIGH TEMP ALARM - DRAIN4 PERIPHERAL_MOSI 12.1 R49 FROM SHEET 1 U24:B SER_IN...
  • Page 191 +3.3V U9:G REMOTE INPUTS 4700 +15V-E U1:A 4750 10.0K 0.01 MOCD223-M +3.3V # RESET - U9:E 4700 +15V-E 4750 U1:B 10.0K 0.01 MOCD223-M +3.3V # POWER INCR - A14 REMOTE INPUTS +3.3V U9:C 4700 4750 #REMOTE_RF_ON- +15V-E +15V-E TO SHEET 1 U6:A 4750 U11:A...
  • Page 192 +15V +15V (SC1) CR29 100pF RXE110 R152 +1.2V VDDINT VROUT0 +3.3V C109 C121 C118 VDDINT VROUT1 #SPI_UART_CS- FROM SHEET 2 A0^CS VDDINT R179 3320 #SPIUART_IRQ- VDDINT TO SHEET 2 VDDINT MISO_SPI_UART RFS3/PE9 TO SHEET 2 N/C^SO VDDINT +3.3V GPIO6/CDA VDDINT R177 RTSB VDDINT...
  • Page 193 FAN VOLTS 0.01 LVPS V 22.1K 2920L075/60 FAN VOLTS RETURN LVPS V IN FUSED LVPS-V SAMPLE IRF9540NSPBF 10.0K 82.5K # FAN ENABLE + MMBT4401LT1 100K 100K 1000 10.0K LVPS-V LVPS IN 10μH 0.001 0.001 470μF 10.0K 10.0K 10.0K 10.0K 470μF (25-53V) 0.001 FAN TACH...
  • Page 194 +15V L7805ABD2T 100pF 0.01 0.47 0.47 100pF LCD TX RS422 (+) LCD TX DO/RI 49.9 DS36C278TM LCD TX RS422 (-) 49.9 DO/RI LCD RX DO/RI LCD RX RS422 (+) 49.9 DS36C278TM DO/RI LCD RX RS422 (-) 49.9 10.0K # RF ON - 470pF 22pF RF ON...
  • Page 195 EXT 10MHz FROM EXTERNAL W2J1 W2P1 RJ45 COUPLER 10MHz SOURCE W4P1* W4P2* TO CUSTOMER LAN (+) 1 N/C (+5V-B) LVPS IN (30-53V) +5V-B PART OF +5V-A 1PPS DISTRIBUTION +5V-A EXGINE PWB W5P1* W5P2* RS-485 (+) (OPTIONAL) +15V NOTES: RS-485 (-) NAE107A IS FM MODE ONLY.
  • Page 196 LVPS-A FROM SHEET 1 1000 LVPS-B FROM SHEET 1 R105 R104 R101 1000 ENABLE EXCTR_PREAMP_V FROM SHEET 1 R119 R118 R100 1000 EXCTR_PA_CURR_SAMPLE FROM SHEET 1 R102 MC74HC4051AD EXCTR_PRE_AMP_CURR_SAMPLE FROM SHEET 1 +5V-A +15V 0.01 +5V-A 4750 ADC7 1000 PD7/AIN1/PCINT23 +5V-A 4750 EXCTR FAN TACH...
  • Page 197 U20:E MC3302D CR11 C142 LVPS IN 22.1K 1SMB5929B (30-53V) 0.001 LVPS V TP10 LVPS-A TO SHEET 1 22.1K LVPS-B R152 R123 TO SHEET 1 22.1K 100K LVPS-A C110 C109 EXCTR PA VOLTS 10μH R110 C128 C135 0.001 470μF 470μF 470μF 0.001 10.0K 10.0K...
  • Page 198 +28V IRFL9014 0.01 4750 10.0K VBIAS IN+ MMBT4401LT1 0.01 1000 U3:A 1000 U3:E 0.001 0.01 0.9μH TLV2374ID RFHA1003 0.01 1500 50 OHMS 15.0K RF OUT RF_OUT/VDS 10.0K RF_OUT/VDS 0.0054μH 0.8pF 2400pF 50 OHMS PPAD RF IN RF_IN RF_IN 2400pF +28V LDO+ MRS1504T3 ADJ+...
  • Page 199 PA V 470μF 470μF 470μF 470μF 470μF 470pF 0.01 0.01 PA BIAS 10.0K BAT54HT1 47.5K 1SMB5918B T2:A 5.1V Q1:A MRFE6VP61K25H 0.001 RF OUT RF DRIVE 100nH 15pF 36pF 0.001 82nH MRFE6VP61K25H Q1:B T2:B 0.001 S2110145 SHEET 1 OF 1 V1 0.001 Figure SD-37: NAPA31C Power Amplifier PWB VERSION 4.0 2018-02-26...
  • Page 200 RF IN RF OUT 1000 ENBL RF_IN 0.01 ADL5501 FLTR 82.5 FWD PWR SAMPLE RF MONITOR VRMS R21 R25 22.1 2210 2210 82.5 82.5 ENBL RF_IN RF SAMPLE 0.01 68.1 22.1 2210 2210 ADL5501 FLTR REFLD PWR SAMPLE VRMS * DENOTES A MICRO-STRIP TRANSMISSION LINE OF SPECIFIC LENGTH AND CHARACTERISTIC IMPEDANCE. S2110126 V1 Figure SD-38: NAPP06/01 Output Power Probe PWB VERSION 4.0 2018-02-26...
  • Page 201 DS2:A DS2:B DS1:A DS1:B S2060273 V1 Figure SD-39: LED PWB (206-3060) VERSION 4.0 2018-02-26 SD-39...
  • Page 202 4-WAY RF DRIVE SPLITTER/ATTENUATOR EXCITER A RF DRIVE IN TO RF MODULE 3 H88-108-600 H88-108-600 10.0K 10.0K 10.0K 10.0K 10.0K 10.0K EXCITER RELAY 250W 250W TO RF MODULE 4 +15V SUPPLY 0.01 # EXCITER RELAY TO RF MODULE 1 CONTROL (B) - RF DRIVE H88-108-600 0.01...
  • Page 203 PA V 1 0.01 THRU MODULE SPLITTER/ INTERFACE PWB PA V 3 0.01 THRU PA V 1 PA V 3 PA V 2 PA V 2 0.01 PA V 4 THRU COMBINER (LHS) PWB PA V 4 0.028μH 8.2pF 0.01 THRU 0.01 1000pF...
  • Page 204 RF INPUT RF OUTPUT 0.001 1N5711 3320 FWD PWR REFLD PWR RF MONITOR PWB RF SAMPLE PWB A RF SAMPLE PWB B DC REFLD PWR PROBE PWB PROBE PWB PROBE PWB A6J1 DC REFLD PWR SAMPLE A5J1 EXCITER RF SAMPLE (B) * DENOTES A MICRO-STRIP TRANSMISSION LINE OF SPECIFIC LENGTH AND CHARACTERISTIC...
  • Page 205 REMOTE INPUT 1 L124 C128 FORWARD RF ON REMOTE OUTPUT 1 CR42 22pF 470pF 470pF 22pF POWER SAMPLE CR27 BAT54HT1 470pF 22pF +15V L103 C107 CR40 10.0K SUMMARY 22pF 470pF 1500 BAT54HT1 ALARM L112 REMOTE INPUT 2 C116 CR13 L122 REFLECTED C126 22pF...
  • Page 206 REJECT LOAD POWER 4.7pF 24pF 250W 250W 4.7pF 250W 250W 0.028μH 8.2pF REJECT POWER SAMPLE 1000pF 0.01 1N5711 3320 20kW RF DRIVE INPUT A INT RF DRIVE POWER A (0 ) H88-108-600 INT RF DRIVE POWER A (-90 ) 250W 250W 0.028μH 8.2pF...
  • Page 207 +15V +15V +15V (PART 1 OF 2) REJECT LOAD/ SPLITTER 10kW REJ LD FAN VOLTS + INTERFACE 10kW REJ LD FAN VOLTS + 10kW REJ LD FAN VOLTS + 10kW REJ LD FAN VOLTS + 10kW REJ LD FAN VOLTS - (PART 2 OF 2) 10kW REJ LD FAN VOLTS - 10kW REJ LD FAN VOLTS -...
  • Page 208 FAN V (A) 100K 10kW REJ FAN 1 TACH 10kW REJ FAN 1 TACH 10kW REJ LD FAN VOLTS + FAN V (A) + L111 L104 C102 L101 C100 L109 22pF 470pF 470pF 22pF 100pF 100pF FAN V (A) - 10kW REJ FAN 2 TACH 10kW REJ FAN 2 TACH L112...
  • Page 209 FAN V (A) 100K FAN V (A) + 10kW REJ FAN 1 VOLTS 100pF 100pF 2920L075/60 FAN V (A) - 10kW REJ FAN 2 VOLTS 100pF 2920L075/60 FAN V (B) 100K FAN V (B) + 5kW REJ FAN 1 VOLTS 100pF 100pF 2920L075/60...
  • Page 210 Nautel Part # 219-5178-01 UPS Interface Upgrade Kit A100 UPS INTERFACE ASSY (+30V PS) +30V TO XMTR LVPS FROM AC LINE 1 DISTRIBUTION PLATE (E10) +30V POWER SOURCE AC GND POWER (88-264VAC) LINE 2/NEUTRAL SUPPLY (47-63Hz) +30V RETURN TO XMTR GND NEAR...
  • Page 211 4 INPUT REJECT REJECT LOAD POWER 250W 250W 250W 0.001 BAT54HT1 3320 250W 250W 250W 250W 250W 250W REJECT LOAD POWER 250W 250W 250W 0.001 BAT54HT1 3320 250W 250W 250W 250W 250W 250W REJECT LOAD POWER 250W 250W 250W 0.001 BAT54HT1 3320 250W...
  • Page 212 10kW LOW PASS FILTER ASSY RF OUTPUT 10kW RF IN 1 RF IN 2 DENOTES INDUCTORS AND CAPACITORS IN LOW PASS FILTER ARE SHOWN FOR REFERENCE ONLY. RF IN 3 RF IN 4 10kW REJ LD PWR (1-4) 5kW REJ LD PWR (1/2) S2190421 V1 5kW REJ LD PWR (3/4) Figure SD-50: NAF119A/04 and NAF119A/05 Combiner/Filter Assembly...
  • Page 213 4.2.1. Follow the family tree branches to the block that contains the desired reference designation and Nautel nomenclature (e.g., NAPA31C Power Amplifier PWB ). Note the reference designations and Nautel nomenclatures of all higher assemblies in the path. Example: A8 NAA61C RF Module 1 -> A8A1 NAPA31C Power Amplifier PWB .
  • Page 214 GV40/GV30 TROUBLESHOOTING MANUAL MECHANICAL DRAWINGS Table 4.5.1: List of Mechanical Drawings Figure # Title MD-1 GV40/GV30 Transmitter (Front View) MD-2 GV40/GV30 Transmitter (Rear View) MD-3 NAPI150A/01 Power Supply Interface PWB MD-4 NAX273A Monitor Fan Assembly MD-5 NAPI172A Monitor Fan Interface PWB...
  • Page 215 MODULE SUPPLIES MODULE SUPPLIES U4/U5=1A/1B U14/U15=5A/5B U6/U7=2A/2B U16/U17=6A/6B U8/U9=3A/3B U18/U19=7A/7B U10/U11=4A/4B U20/U21=8A/8B LVPS 1A (U2), LVPS 2A (U12, optional), FRONT DOOR LVPS 1B (U3) LVPS 2B (U13, optional) REMOVED FOR CLARITY Figure MD-1: GV40/GV30 Transmitter (Front View) VERSION 4.0 2018-02-26 MD-1...
  • Page 216 COAXIAL (A29, A31, A50, A52) RELAY (K1) 3 dB SPLITTER (A32) POWER SUPPLY POWER SUPPLY STATION RF DRIVE INTERFACE PWBS INTERFACE PWBS SPLITTER REFERENCE (A33, A41) (A1, A17) ASSEMBLY (A27) Figure MD-2: GV40/GV30 Transmitter (Rear View) VERSION 4.0 2018-02-26 MD-2...
  • Page 217 WARNING TP14 TP28 PS INTERFACE R126 NAPI150 HIGH VOLTAGE R127 R121 SER. R122 R129 LVPS R107 R131 R153 A ADJ TP23 R100 TP29 TP15 (U/S) (U/S) (U/S) (U/S) TP24 (U/S) TP30 TP16 TP17 TP18 TP12 LVPS-A R110 L1(A) TP25 L2/N(B) L1(B) LVPS A L2/N(A)
  • Page 218 COOLING FAN MONITOR FAN INTERFACE PWB A1 SWITCH Figure MD-4: NAX273A Monitor Fan Assembly VERSION 4.0 2018-02-26 MD-4...
  • Page 219 MONITOR FAN INTERFACE R1 R16 M2190265 V1 Figure MD-5: NAPI172A Monitor Fan Interface PWB VERSION 4.0 2018-02-26 MD-5...
  • Page 220 REFLD DC C575 R439 C576 R440 R719 R441 AUX REJ REJ LD MON TP15 PRGM R420 C274 LD MON REFLD C288 AUX REJ LD XMTR CTRL C585 C588 C603 R408 C477 C482 C484 C610 C615 C641 C652 C656 C662 C666 C671 C683 FAN V...
  • Page 221 SINGLE BOARD CONTROLLER PWB COMPUTER (A2) (A1) POWER SUPPLY DISTRIBUTION PWB (A3) TOP VIEW COOLING FAN (B1) UI INTERFACE PWB (A4) Behind front panel FRONT VIEW LCD DISPLAY (U1) REAR VIEW COMPACT FLASH CARD (A1U5) Figure MD-7: NAC118C Controller VERSION 4.0 2018-02-26 MD-7...
  • Page 222 PS DISTRIBUTION UI LCD SBC SERIAL R237 STREAMING PRGM NORM R238 CPLD JTAG C25 C27 R239 DSP JTAG R240 R244 CR13 R243 DSP RESET R172 +15V TP10 R153 R218 R154 R199 C138 CONTROLLER R155 R219 R200 R263 +3.3V NAPC163 R201 SER.
  • Page 223 R41 C56 M2190189 V2 Figure MD-9: NAPS49A Power Supply Distribution PWB VERSION 4.0 2018-02-26 MD-9...
  • Page 224 RF OFF RF ON REMOTE LOCAL (U/S) (U/S) (U/S) (U/S) REMOTE/LOCAL (U/S) RF OFF RF ON (U/S) (U/S) UI INTERFACE NAPI142 SER. M2190097 V1 Figure MD-10: NAPI142A/01 UI Interface PWB VERSION 4.0 2018-02-26 MD-10...
  • Page 225 EXCITER/ OUTPUT POWER CONTROL PROBE PWB POWER SUPPLY DISTRIBUTION PWB POWER AMPLIFIER TOP VIEW EXGINE PWB PRE-AMPLIFIER (NOT USED FOR ANALOG OPERATION) LED PWB FRONT VIEW REAR VIEW Figure MD-11: NAE107B and NAE107B/01 Exciter Assembly VERSION 4.0 2018-02-26 MD-11...
  • Page 226 R123 (U/S) TP10 (U/S) LVPS IN (U/S) R158 C142 R128 R108 C141 R109 CR10 R150 C122 R141 (U/S) R110 C117 GRID1 (U/S) C109 LVPS-B R142 + 5V-A C110 + 5V-B R111 R112 + 15V A B C D E F C111 R113 PS DISTRIBUTION...
  • Page 227 V IN V BIAS M2190108 V1 Figure MD-13: NAPA35 Pre-Amplifier PWB VERSION 4.0 2018-02-26 MD-13...
  • Page 228 Figure MD-14: NAPA31C Power Amplifier PWB VERSION 4.0 2018-02-26 MD-14...
  • Page 229 OUTPUT POWER PROBE NAPP06 SER. M2110127 V1 Figure MD-15: NAPP06/01 Output Power Probe PWB VERSION 4.0 2018-02-26 MD-15...
  • Page 230 ASSY 206-3060 M2060067 V1 Figure MD-16: LED PWB (206-3060) VERSION 4.0 2018-02-26 MD-16...
  • Page 231 FRONT BACK Figure MD-17: NAI23A RF Drive Splitter/Changeover Assembly VERSION 4.0 2018-02-26 MD-17...
  • Page 232 COMBINER PWB (RHS) COMBINER PWB (LHS) FRONT REAR VIEW VIEW RIGHT-SIDE VIEW SPLITTER/ COOLING FANS (COVER REMOVED PA PWBs INTERFACE (B1 - B6) (A1 - A4) Figure MD-18: NAA61C RF Power Module VERSION 4.0 2018-02-26 MD-18...
  • Page 233 FRONT REAR A1, A4, A5 (U/S) (U/S) J1 (U/S) M2190112 V1 M2060070 V1 M2060072 V1 (U/S) M2060071 V1 Figure MD-19: NAFP109B Output Power Probe VERSION 4.0 2018-02-26 MD-19...
  • Page 234 CUSTOMER CUSTOMER ALARM/ CONTROL 17 19 17 19 STATUS 17 19 17 19 C23 C24 C25 C26 C27 C43 C12 C13 C14 C15 C46 C47 C48 C51 C52 C53 C54 C55 C56 C61 C62 C63 CR41 CR40 SAMPLES CR42 CR43 INTERLOCK SUMMARY OPEN...
  • Page 235 TOP VIEW RF DRIVE SPLITTER END VIEW Figure MD-21: NAI26 RF Drive Splitter Assembly VERSION 4.0 2018-02-26 MD-21...
  • Page 236 REJECT LOAD/SPLITTER INTERFACE PWB L100 FAN V (A) FAN V (B) REJECT LOAD/SPLITTER INTERFACE L101 L103 L104 L106 L107 L102 L105 L108 NAPI167 SER. C100 C103 C106 C107 C101 C102 C104 C105 L109 L115 L116 L110 L111 L112 L113 L114 M2190114 V1 6-WAY FAN INTERFACE PWB...
  • Page 237 TOP VIEW 4-INPUT REJECT (U/S) (U/S) 4 INPUT REJECT ASSY 206-8082 M2060066 V1 END VIEW Figure MD-23: NAL17 4-Input Reject Load Assembly VERSION 4.0 2018-02-26 MD-23...

  • Page 238: List Of Terms

    Low Voltage Power Supply. A module or modules used in the ac-dc power stage that generates LVPS. the low level dc supply voltage for the transmitter. A setting that controls power level, frequency and audio parameters. The GV40/GV30 allows Preset. you to pre-program multiple presets.
  • Page 239 GV40/GV30 TROUBLESHOOTING MANUAL LIST OF TERMS PAGE 4.6.2 VERSION 4.0 2018-02-26...
  • Page 241 Phone: +1.902.823.3900 or Fax: +1.902.823.3183 Nautel Inc. 201 Target Industrial Circle Bangor, Maine USA 04401 Phone: +1.207.947.8200 Fax: +1.207.947.3693 Customer Service (24-hour support) +1.877.628.8353 (Canada & USA only) +1.902.823.5100 (International) Email: support@nautel.com Web: www.nautel.com © Copyright 2018 NAUTEL. All rights reserved.

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