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©2011 Broadcast Electronics
2
INSTALLATION
This section contains information required for installation and preliminary checkout of the Broadcast Electronics
FX-50/E FM Exciters.
2.1
UNPACKING.
The equipment becomes the property of the customer when the equipment is delivered to the carrier. Carefully
unpack the exciter. Perform a visual inspection to determine that no apparent damage has been incurred during
shipment. All shipping materials should be retained until it is determined that the unit has not been damaged.
Claims for damaged equipment must be promptly filed with the carrier or the carrier may not accept the claim.
The contents of the shipment should be as indicated on the packing list. If the contents are incomplete, or if the
unit is damaged electrically or mechanically, notify both the carrier and Broadcast Electronics.
2.2
INSTALLATION.
Each exciter is assembled, operated, tested, and inspected at the factory prior to shipment and is ready for
installation when received. Prior to installation, this publication should be studied to obtain a thorough
understanding of the operation, circuitry, nomenclature, and installation requirements. Installation is
accomplished as follows: 1) Preliminary Installation, 2) Wiring, and 3) Exciter Checkout.
2.2.1
PRELIMINARY INSTALLATION.
ENVIRONMENTAL CONSIDERATIONS. Table 1-2 provides physical and environmental conditions which should
be considered prior to FX-50/E installation.
WARNING
WARNING
ENSURE ALL RACK POWER IS DEENERGIZED BE-
FORE ATTEMPTING EXCITER INSTALLATION.
AC LINE VOLTAGE PROGRAMMING. The FX-50/E exciters are programmed for the appropriate line voltage
when shipped from the factory. The FX-50E can only operate from a 240V ac supply. Therefore, ensure the line
voltage selector is configured to 240V.
For FX-50 models, the unit can be operated from a 110V or 220V ac supply. Check the ac line voltage
programming as follows:
Place the exciter on a work surface.
Remove any packing material from the outside of the exciter.
Refer to Figure 2-1 and ensure the appropriate primary ac line voltage is visible on the AC LINE VOLTAGE
SELECTOR circuit board (115/120V or 230/240V). The following text presents the ac line voltage programming:
LINE VOLTAGE
VOLTAGE SELECTOR PROGRAMMING
97-115V
100V
115-133V
120V
194-230V
220V
230-266V
240V
CAUTION
CAUTION
THE FX-50E CAN ONLY OPERATE FROM A 240V AC SUPPLY.
THEREFORE, ENSURE THE LINE VOLTAGE SELECTOR IS
CONFIGURED TO 240V.
Summary of Contents for FX-50
Page 12: ...x 2011 Broadcast Electronics This page intentionally left blank ...
Page 20: ...8 2011 Broadcast Electronics Figure 2 1 FX 50 E REAR PANEL CONNECTIONS SHEET 1 OR 2 ...
Page 21: ...9 2011 Broadcast Electronics Figure 2 1 FX 50 E REAR PANEL CONNECTIONS SHEET 2 OR 2 ...
Page 32: ...20 2011 Broadcast Electronics Figure 3 1 FX 50 E CONTROLS AND INDICATORS ...
Page 35: ...23 2011 Broadcast Electronics Figure 4 1 FX 50 E OVERALL SIMPLIFIED SCHEMATIC ...
Page 40: ...28 2011 Broadcast Electronics Figure 5 1 FX 50 E ASSEMBLY ...
Page 46: ...34 2011 Broadcast Electronics Figure 6 1 CONTROL CIRCUITRY SIMPLIFIED SCHEMATIC ...
Page 49: ...37 2011 Broadcast Electronics Figure 6 2 POWER SUPPLY SIMPLIFIED SCHEMATIC DIAGRAM ...
Page 53: ...41 2011 Broadcast Electronics Figure 6 4 PARALLEL LOAD CONNECTION ...
Page 56: ...44 2011 Broadcast Electronics Figure 6 5 NO PA VOLTAGE TO THE RF AMPLIFIER ...
Page 58: ...46 2011 Broadcast Electronics Figure 7 1 METERING CIRCUIT REMOVAL AND INSTALLATION DIAGRAM ...
Page 60: ...48 2011 Broadcast Electronics Figure 7 2 METTERING BOARD SIMPLIFIED SCHEMATIC ...
Page 68: ...56 2011 Broadcast Electronics Figure 8 1 MODULATED OSCILLATOR SIMPLIFIED SCHEMATIC DIAGRAM ...
Page 74: ...62 2011 Broadcast Electronics Figure 9 1 AFC PLL CIRCUIT BOARD SIMPLIFIED SCHEMATIC ...
Page 81: ...69 2011 Broadcast Electronics Table 9 2 FREQUENCY SYNTHESIZER PROGRAMMING ...
Page 84: ...72 2011 Broadcast Electronics Figure 9 4 NO RF OUTPUT LOCK IS EXTINGUISHED ...
Page 85: ...73 2011 Broadcast Electronics Figure 9 5 NO MODULATION LOCK INDICATOR ILLUMINATED ...
Page 89: ...77 2011 Broadcast Electronics Figure 10 1 RF AMPLIFIER SIMPLIFIED SCHEMATIC ...
Page 92: ...80 2011 Broadcast Electronics Figure 10 2 RF AMPLIFIER CIRCUIT BOARD CONTROLS ...
Page 95: ...83 2011 Broadcast Electronics Figure 10 3 RF AMPLIFIER TROUBLESHOOTING INFORMATION ...
Page 100: ...88 2011 Broadcast Electronics Figure 11 1 SLAVE FM BOOSTER SIMPLIIFED SCHEMATIC ...
Page 101: ...89 2011 Broadcast Electronics Figure 11 2 MASTER FM BOOSTER SIMPLIFIED SCHEMATIC ...
Page 161: ...149 2011 Broadcast Electronics Figure 14 1 OPTIONAL LOW PASS FILTER ASSEMBLY ...
Page 162: ...150 2011 Broadcast Electronics Figure 14 2 EXCITER FRONT RAIL MOUNTING APPLICATIONS ...
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