Información sobre equipo

National NCL 2000 Amplificador
Fabricante:
National
Modelo: NCL 2000
Fecha:
Categoría: Audio, Video, Televisión, Multimedia
Grupo: Amplificador
Descripción: Linear Power Amplifier
Información:

Estos manuales están disponibles para el equipo anterior:

Tipo de Manual:: Manual de servicio National-3885-Manual-Page-1-Picture
Páginas:: 33
Tamaño:: 4.03 Mbytes (4230218 Bytes)
Idioma: Inglés
Revisión:
Número de identificación:
Fecha:
Calidad: Documento Scaned, todo legible.
Añadir fecha:
MD5: 8f06f2e74f8582861d3a8cfb8e367ee6
Descargas: 691 desde 09 enero 2013
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

National-3885-Manual-Page-1-Picture


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