TX50 Manual.pdf

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TX50S manual
TECHNICAL , MAINTENANCE
AND INSTALLATION MANUAL
TX50S FM TRANSMITTER
JUNE 2000
CTE international
Via Sevardi 7
42010 Mancasale (REGGIO E.)
ITALY
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TX50S manual
MAINTENANCE MANUAL
TX50S FM TRANSMITTER
Printed : 06-05-2000 Rev. A
Cod. MAN-TX50-06052000A
IN ACCORDING TO R&TTE RULES
NOTIFIED BODY : 0523
ITALY RESTRICTIONS : “L’uso dell’apparato è soggetto a concessione
Potenza RF 50 Watt
Canalizzazione 100 Khz (solo mod. TX50S)”
All rights are strictly reserved
Reproduction or issue to third parties
in any form whatever
is not permitted without written authorization
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OWNERS MANUAL
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TX50S manual
CONTENTS
CHAPTER 1 - SAFETY INSTRUCTIONS
1.1 Introduction--------------------------------------------------------------------------------- 6
CHAPTER 2 - ELECTRICAL SPECIFICATIONS
2.1 Frequency and power----------------------------------------------------------------------- 8
2.2 Modulation capability ---------------------------------------------------------------------- 8
2.3 Characteristics in MONO------------------------------------------------------------------- 8
2.4 Characteristics in STEREO ----------------------------------------------------------------- 9
2.5 SCA characteristics------------------------------------------------------------------------- 9
2.6 Readout on LCD display ------------------------------------------------------------------- 9
2.7 Remote control ----------------------------------------------------------------------------- 9
2.8 Power supply and temperature range ------------------------------------------------------10
2.9 Mechanical specifications -----------------------------------------------------------------10
2.10 Options ------------------------------------------------------------------------------------10
2.11 Standards satisfied -------------------------------------------------------------------------10
CHAPTER 3 - DESCRIPTION OF THE DEVICE
3.1 Main features ------------------------------------------------------------------------------11
3.2 Available options --------------------------------------------------------------------------12
3.3 Block diagram -----------------------------------------------------------------------------12
CHAPTER 4 - INSTALLATION
4.2 Unpacking and inspection -----------------------------------------------------------------16
4.2 Installation---------------------------------------------------------------------------------16
4.3 Power supply ------------------------------------------------------------------------------16
4.4 Ground loops ------------------------------------------------------------------------------17
4.5 Transmitter power up ----------------------------------------------------------------------17
4.6 Transmitter settings------------------------------------------------------------------------17
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TX50S manual
Connection diagram ----------------------------------------------------------------------------------------------- 29
CHAPTER 5 - CIRCUITS DESCRIPTION
5.1 AUDIO-IN board --------------------------------------------------------------------------30
5.2 SINTD board ------------------------------------------------------------------------------31
5.3 MBA board --------------------------------------------------------------------------------31
5.4 AGC board---------------------------------------------------------------------------------32
5.5 HSW board --------------------------------------------------------------------------------33
5.6 40WN and RFDC boards ------------------------------------------------------------------33
5.7 DLCD board -------------------------------------------------------------------------------34
CHAPTER 6 - ADJUSTAMENTS
6.1 HSW module – power supply -------------------------------------------------------------35
6.2 40WN module– RF power module --------------------------------------------------------36
6.3 RFDC module – directionl coupler --------------------------------------------------------36
6.4 MBA module – mother board -------------------------------------------------------------37
CHAPTER 7 - MODULATION MEASUREMENTS
7.1 General informations ----------------------------------------------------------------------40
7.2 Modulation peak analysis measurements--------------------------------------------------41
7.3 Modulation power measurements ---------------------------------------------------------45
7.4 Considerations on the real measurements performed -------------------------------------46
CHAPTER 8 - REMOTE CONTROL
8.1 PC connection -----------------------------------------------------------------------------49
8.2 COM1--------------------------------------------------------------------------------------49
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TX50S manual
CHAPTER 9 - INTERNAL AND REAR WIEW
9.1 Internal adjastments and settings -----------------------------------------------------------------55
9.2 Rear connections------------------------------------------------------------------------------------59
CHAPTER 10 - DIAGRAMS AND LAYOUTS
10.1 HSW board– power supply ----------------------------------------------------------------63
10.2 AUDIO-IN board - audio inputs-----------------------------------------------------------67
10.3 DLCD board–display driver ---------------------------------------------------------------73
10.4 MBA board – mother board ---------------------------------------------------------------78
10.5 KEY board – key --------------------------------------------------------------------------85
10.6 SINTD board–VCO oscillator -------------------------------------------------------------88
10.7 DMPX board– stereocoder ----------------------------------------------------------------94
10.8 AGC board– audio automatic gain control ------------------------------------------------97
10.9 CON board–MBA / RFDC connection-------------------------------------------------- 101
10.10 40WN board– RF power module -------------------------------------------------------- 104
10.11 RFDC board– directional coupler ------------------------------------------------------- 107
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