NEC PCN-1815SSQN/1Cx2, Instruction Manual, Page: 22 / 110

GWP-G22906
INSTRUCTION MANUAL FOR PCN-1815SSQN/1C
×
2
30kW VHF TV TRANSMITTER
......... HO2-344916-201
CONTENTS
SECTION. 1 CAUTION AND SAFETY
1-1 General .................................................................................................................... 1-1
1-2 Cautions for Use ..................................................................................................... 1-1
SECTION. 2 GENERAL INFORMATION
2-1 Scope ...................................................................................................................... 2-1
2-2 General .................................................................................................................... 2-1
2-3 Coding System ........................................................................................................ 2-3
2-4 Principal Characteristics ......................................................................................... 2-5
2-5 Composition ............................................................................................................ 2-6
2-5-1 Functional Composition .................................................................................... 2-6
2-5-2 Physical Composition ....................................................................................... 2-8
SECTION. 3 FUNCTIONAL DESCRIPTION
3-1 Exciter Section ........................................................................................................ 3-2
3-1-1 DM-3100AB Exciter ......................................................................................... 3-2
3-1-2 Characteristics ................................................................................................... 3-3
3-1-3 Exciter switch .................................................................................................... 3-4
3-2 Power Amplifier Section .......................................................................................... 3-5
3-2-1 VA3000QE Power Amplifier ............................................................................ 3-5
3-3 Cooling Section ...................................................................................................... 3-7
3-4 Output Section ........................................................................................................ 3-7
3-5 Control Section ....................................................................................................... 3-8
3-5-1 General .............................................................................................................. 3-8
3-5-2 Control Method ................................................................................................. 3-8
3-5-3 TX Control Unit ................................................................................................ 3-8
3-5-4 Operation Panel ................................................................................................. 3-14
3-6 Monitoring Section ................................................................................................. 3-17
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