National Radio Company NCL 2000 Amplificador
Fabricante:
Modelo:
NCL 2000
Fecha:
0
Categoría:
Grupo:
Descripción:
Linear Power Amplifier
Manual de servicio
Type manuel:
Manual de servicio
Páginas:
33
Tamaño:
4.03 Mbytes (4230218 Bytes)
Idioma:
english
Revisión:
Manuel-ID:
Fecha:
Formato:
Documento Scaned, todo legible.
Fecha de subida:
2013 01 09
MD5:
8f06f2e74f8582861d3a8cfb8e367ee6
Descargas:
1556

Información

GENERAL DESCRIPTION ... 3 INSTALLATION ... 4 2.1 CAUTION 2.2 Unpacking and Tube Installation 2.3 Power Connection 2.4 Antenna Connection 2.5 ALC Connection 2.6 Exciter Requirements 2.7 Exciter Connections 2.8 RF Exciter Connection (Transceiver) 2.9 RF Exciter Connection (Separate Transmitter and Receiver With External Antenna Transfer Relay) 2.10 RF Exciter Connection (Separate Transmitter and Receiver Without External Antenna Transfer Relay) 2.11 Relay Connection 2.12 Ground Connection OPERATION ... 8 3.1 Explanation of Controls 3.2 Preliminary Adjustment 3.3 CW Tune-Up Procedure 3.4 SSB Tune-Up Procedure 3.5 AM Tune-Up Procedure THEORY OF OPERATION ... 12 4.1 Class of Operation 4.2 Grid Bias Supply 4.3 Input Circuit 4.4 ALC 4.5 Output Circuit 4.6 Metering 4.7 Primary Power Circuits 4.8 CW-SSB Mode Selection 4.9 Antenna and Transmit — Standby Switching 4.10 Cut-Off Bias i SERVICE INSTRUCTIONS ... 15 5.1 Tube Replacement 5.2 Filter Capacitor Board Removal 5.3 Cabinet Removal 5.4 Front Panel and Side Gusset Removal 5.5 Regulator Transistor Change 5.6 Air System Cleaning 5.7 Grid Resistor Tap Change i TROUBLE SHOOTING ... 17 1 PARTS LIST

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