Attrezzatura informazioni:

National NCL 2000 Amplificatore
Produttore:
National
Modello: NCL 2000
Data:
Categoria: Audio, Video, TV, Multimedia
Gruppo: Amplificatore
Descrizione: Linear Power Amplifier
Informazioni:
                                    

Questi manuali sono disponibili per l'attrezzatura di cui sopra:

National -- NCL 2000 -- Manuale di servizio
Nome file: National-3885-Manual-Page-1-Picture
Tipo manuale: Manuale di servizio
Pagine: 33
Dimensioni: 4.03 Mbytes (4230218 Bytes)
Lingua: Inglese
Revisione:
Manual-ID/Number:
Data:
Qualità: Documento scansionato, tutto leggibile.
Data di caricamento:
MD5: 8f06f2e74f8582861d3a8cfb8e367ee6
Download: 485 dal 09 gennaio 2013
Informazioni:
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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