Informacje o sprzęcie

National NCL 2000 Wzmacniacz
Producent:
National
Modelu: NCL 2000
Data:
Kategorii: Audio, Video, TV, Multimedia
Grupa: Wzmacniacz
Opis: Linear Power Amplifier
Informacje:
                                    

Te Podręczniki są dostępne dla powyższego urządzenia:

National -- NCL 2000 -- Instrukcja serwisowa
Nazwa pliku: National-3885-Manual-Page-1-Picture
Typ instrukcji: Instrukcja serwisowa
Stron: 33
Rozmiar: 4.03 Mbytes (4230218 Bytes)
Język: Angielski
Zmiana:
Podręcznik numer:
Data:
Jakość: Skanowany dokument, wszystko czytelne.
Data wysłania:
MD5: 8f06f2e74f8582861d3a8cfb8e367ee6
Pliki do pobrania: 402 od 09 styczeń 2013
Informacje:
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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