10 000 WATT FM BROADCAST TRANSMITTER
FM10
Contents (Page 4)
15 November 1999
TABLE OF CONTENTS
(Continued)
Section
Page
5
SYSTEM LEVEL TROUBLE SHOOTING
(
Continued)
5.7
REPLACEMENT OF RF POWER MODULE............................................................... 5-6
5.7.1
RF POWER MODULE REMOVAL .............................................................................. 5-6
5.7.2
RF POWER AMPLIFIER TUNING .............................................................................. 5-7
5.7.2.1
Test Equipment For Tuning................................................................................... 5-8
5.7.2.2
Preparation For Tuning ......................................................................................... 5-8
5.7.2.3
Tuning Procedure ............................................................................................... 5-10
5.7.2.4
Completion of Tuning.......................................................................................... 5-12
5.7.3
RF POWER AMPLIFIER MODULE INSTALLATION ................................................. 5-12
5.8
TEMPORARY REPLACEMENT OF IPA MODULE WITH RF POWER MODULE..... 5-13
5.8.1
RF POWER MODULE REMOVAL ............................................................................ 5-13
5.8.2
IPA MODULE REMOVAL.......................................................................................... 5-13
5.8.3
IPA REPLACEMENT/RF POWER MODULE INSTALLATION................................... 5-14
5.9
CONTROL/MONITOR PWB REPLACEMENT/ADJUSTMENT................................. 5-15
5.10
POWER SUPPLY CONTROL PWB REPLACEMENT .............................................. 5-16
5.11
TROUBLE SHOOTING FRONT PANEL ALARMS................................................... 5-19
5.11.1
PA FAIL ALARM ....................................................................................................... 5-19
5.11.2
MODULE RF DRIVE ALARM .................................................................................... 5-19
5.11.3
MODULE TEMP ALARM........................................................................................... 5-20
5.11.4
AC PHASE ALARM................................................................................................... 5-21
5.11.5
HIGH AC PWR ALARM ............................................................................................ 5-21
5.11.6
LOW AC PWR ALARM ............................................................................................. 5-22
5.11.7
REFLECTED POWER ALARM ................................................................................. 5-22
5.11.7.1
Reflected and Forward Power Zero Watts........................................................... 5-22
5.11.7.2
Reflected Power Zero Watts and Forward Power Normal.................................... 5-23
5.11.7.3
Reflected Power Between 100 and 440 Watts..................................................... 5-23
5.11.8
IPA INPUT ALARM ................................................................................................... 5-24
5.11.8.1
Exciter ALC Check.............................................................................................. 5-24
5.11.8.2
Cables/Connections ............................................................................................ 5-24
5.11.8.3
RF Drive Checks................................................................................................. 5-24
5.11.9
IPA OUTPUT ALARM ............................................................................................... 5-25
5.11.9.1
IPA Module Low Supply Voltage Check .............................................................. 5-25
5.11.9.2
IPA Module Replacement ................................................................................... 5-25
5.11.9.3
Control/Monitor PWB IPA Output Monitor Check ................................................ 5-25
5.11.10
IPA SWR ALARM ..................................................................................................... 5-25
5.11.10.1
IPA Reflected Power........................................................................................... 5-25
5.11.10.2
IPA Forward Power ............................................................................................. 5-26
5.11.11
IPA TEMP ALARM .................................................................................................... 5-26
5.11.12
PA VDC FAIL PWR SPLY (A thru F) ALARM............................................................ 5-27
5.11.12.1
Low Supply Output.............................................................................................. 5-27
5.11.12.2
High Supply Output/High Supply Temp ............................................................... 5-27
5.11.13
PWR SPLY FAIL IPA ALARM ................................................................................... 5-28
5.11.13.1
Low IPA Supply Output................................................................................. 5-28
5.11.13.2
High IPA Supply Output ...................................................................................... 5-28
5.11.14
FAN FAIL ALARM ..................................................................................................... 5-28
5.11.15
RECTIFIER TEMPERATURE ALARM ...................................................................... 5-29
5.12
AIR FILTERS............................................................................................................ 5-29
5.13
BACKUP BATTERY ................................................................................................. 5-29
5.14
REPLACEMENT OF COAXIAL CABLES ................................................................. 5-29
Содержание FM10
Страница 41: ...10 000 WATT FM BROADCAST TRANSMITTER FM10 Page 2 15 01 October 2002 Figure 2 1 External Input Output Interface...
Страница 99: ...10 000 WATT FM BROADCAST TRANSMITTER FM10 Page 5 30 01 October 2002 Figure 5 2 Tuning Shelf Installation...
Страница 125: ...10 000 WATT FM BROADCAST TRANSMITTER FM10 Page 8 5 15 November 1999 This Page Intentionally Left Blank...
Страница 161: ...10 000 WATT FM BROADCAST TRANSMITTER FM10 Page 9 13 15 November 1999 This Page Intentionally Left Blank...
Страница 173: ...Figure SD 1 Electrical Schematic FM10 FM Broadcast Transmitter Overview Page SD 1 15 July 1997...
Страница 174: ...Figure SD 2 Electrical Schematic AC DC Power Supply Sheet 1 of 2 Page SD 2 15 July 1997...
Страница 175: ...Figure SD 3 Electrical Schematic AC DC Power Supply Sheet 2 of 2 Page SD 3 15 July 1997...
Страница 176: ...Figure SD 4 Electrical Schematic Low Voltage Power Supply PWB NAPS09C 01 Page SD 4 15 November 1999...
Страница 177: ...Figure SD 5 Electrical Schematic 3 Phase Monitor PWB NAPC60 03 Page SD 5 15 July 1997...
Страница 178: ...Figure SD 6 Electrical Schematic RF Power Stage Sheet 1 of 2 Page SD 6 15 July 1997...
Страница 179: ...Figure SD 7 Electrical Schematic RF Power Stage Sheet 2 of 2 Page SD 7 15 July 1997...
Страница 180: ...Figure SD 8 Electrical Schematic RF Combiner Final Filter NAF79 Page SD 8 15 July 1997...
Страница 181: ...Figure SD 9 Electrical Schematic Control Monitor Function Page SD 9 15 July 1997...
Страница 182: ...Figure SD 10 Electrical Schematic Control Display PWB NAPD05 01A Page SD 10 15 July 1997...
Страница 185: ...Figure MD 1 Assembly Detail FM10 FM Broadcast Transmitter Front View Page MD 1 15 July 1997...
Страница 186: ...Figure MD 2 Assembly Detail FM10 FM Broadcast Transmitter Rear View Page MD 2 15 July 1997...
Страница 187: ...Figure MD 3 Assembly Detail NASR92 02 and 03 AC Power Supply Assemblies Page MD 3 15 November 1999...
Страница 188: ...igure MD 4 Assembly Detail 3 Phase Rectifier Assembly 182 7150 and 182 7150 01 Page MD 4 15 July 1997...
Страница 189: ...Figure MD 5 Assembly Detail NAG02 01 NAG02 02 Circuit Breaker Panel Page MD 5 15 July 1997...
Страница 190: ...Figure MD 6 Assembly Detail NAC76 Power Supply Control Panel Page MD 6 15 July 1997...
Страница 191: ...F Figure MD 7 Assembly Detail NAC66 01A or NAC66 03 Control Monitor Panel Page MD 7 5 November 1999...
Страница 192: ...Figure MD 8 Assembly Detail NAPD05 01A Control Display PWB Page MD 8 15 July 1997...
Страница 193: ...Figure MD 9 Assembly Detail NAI07 Intermediate RF Drive Splitter Page MD 9 15 July 1997...
Страница 194: ...Figure MD 10 Assembly Detail NAFP68 IPA Input Power Probe Page MD 10 15 July 1997...
Страница 195: ...Figure MD 11 Assembly Detail NAF79 RF Combiner Filter and NAFP64 RF Power Probe Page MD 11 15 July 1997...
Страница 196: ...Figure MD 12A Assembly Detail NAS43 02 Low Voltage Power Supply Page MD 12A 15 July 1997...
Страница 197: ...Figure MD 12B Assembly Detail NAS43 02A Low Voltage Power Supply Page MD 12B 15 July 1997...
Страница 198: ...Figure MD 13 Assembly Detail NAPS09C 01 Low Voltage Power Supply PWB Page MD 13 15 November 1999...
Страница 199: ...Figure MD 14 Assembly Detail NAPC60 03 3 Phase Monitor PWB age MD 14 15 July 1997...
Страница 200: ...Figure MD 15 Dimensional Information FM10 10 000 Watt FM Broadcast Transmitter Page MD 15 15 July 1997...