MLS MLSH041 Manuale di Installazione Scaricare il pdf (Pagina 20)

ALIGNMENT AND TROUBLESHOOTING PROCEDURES

20 LBI-38438A

5.3 RECEIVER

Alignment and Troubleshooting for Receiver Circuitry on Transmitter/Receiver Board

CMN-233A/B.

5.3.1 Receiver Alignment

5.3.1.1

Equipment Required

1. RF Signal Generator (29 - 50 MHz)

2. DC Voltmeter

3. Frequency Counter (up to 100 MHz with 0.05 V sensitivity)

4. Audio Level Meter and Distortion Analyzer

5. 4 ohm, 6 Watt Resistor

5.3.1.2

Preliminary Adjustment

1. Connect 13.8 VDC to P2

2. Set MONITOR switch to “out” position

3. Select desired channel

4. Disable Channel Guard by connecting ground to J701-7

5. Connect RF Signal Generator to antenna jack J1

NOTE

Make sure the transmitter is properly aligned before aligning the receiver.

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MLS MLSH041 Manuale di Installazione Pagina 20