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- Page 1 PUBLICATION TSM 20-312 TECHNICAL MANUAL 1 WATT UHF AMPLIFIER FOR MX1U SERIES TV TRANSMITTER/TRANSLATOR LARCAN INC. 228 AMBASSADOR DRIVE MISSISSAUGA, ONTARIO CANADA L5T 2J2 PHONE: (905) 564-9222 FAX: (905) 564-9244 Rev 0: June 14, 2000...
- Page 2 4) List of Prefix Numbers for the 1W Amplifier ............6 5) Production Changes...................6 GENERAL DESCRIPTION INTRODUCTION .........................7 SPECIFICATIONS.......................8 ABOUT THIS MANUAL .......................9 ON SITE: First Time Start-up ....................10 PUBLICATION LIST for MX series 1W UHF Amplifier: PUB99-92 1W UHF Amplifier Assembly: Section Page Amplifier Chassis Description...............92-1 Pre-Amp Module ..................92-2 PA Module....................92-2...
- Page 3 All material in this manual is copyright © LARCAN INC. and reproduction in whole or in part in any form for any purpose other than exclusive use of the equipment owner, without prior written authorization from LARCAN INC.
- Page 4 MX Series - 1 Watt UHF AMPLIFIER TRANSMITTER SAFETY PRECAUTIONS: AC VOLTAGES USED FOR THE OPERATION OF THIS EQUIPMENT ARE DANGEROUS TO HUMAN LIFE! This instruction manual has been written for the general guidance and information of operation, maintenance and service personnel who are aware of, and are familiar with, the hazards of working with high powered electronic circuits.
- Page 5 MX Series - 1 Watt UHF AMPLIFIER TSM 20-312 rev 0: June 14, 2000 W UHF Amplifier...
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Page 6: Health Warnings
Interpreting LARCAN Drawing Numbers Engineering drawings at LARCAN are based on the concept that an assembly or subassembly is simply a GROUP of component parts, thus when a G appears on a list, it means an "assembly". Thus a circuit board loaded with parts may be referenced in this manual as "21B1389G1". -
Page 7: General Service Information
"which C1 or R1 are we talking about?" The LARCAN prefixing system and its "undocumented features" represent a beginning and evolving solution to some of these problems. It begins by assigning a distinct assembly prefix number to each subassembly. - Page 8 MX Series - 1 Watt UHF AMPLIFIER GENERAL SERVICE INFORMATION List of Assembly Prefixes Prefix 1 Main Amplifier Chassis Assembly Sub-assembly Prefix 2 Line Filter “ “ 3 Power Supply “ “ 4 Pre-Amplifier “ “ 5 Metering Board “...
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Page 9: General Description
GENERAL DESCRIPTION INTRODUCTION This manual describes the LARCAN 1Watt UHF amplifier which is designed to operate on channels 14 through 69. This solid state 1W UHF amplifier was designed to operate conservatively at 1W peak sync visual RF power, and 0.1W average aural carrier RF power, with superb performance, reliability and operating economy. - Page 10 MX Series - 1 Watt UHF AMPLIFIER GENERAL DESCRIPTION ELECTRICAL AND MECHANICAL SPECIFICATIONS NTSC Power Output: ....................Visual 1 W peak, Aural 0.1W Diplexing: ....................... internally diplexed, 10:1 V to A Frequency Range: ................. 470-806 MHz (channels 14 thru 69) Amplifier Output Impedance: ........................
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Page 11: About This Manual
Figures (illustration drawings in 11" x 17" size) complete the booklet. The Parts Lists in all booklets have been compiled by, and then extracted from, the LARCAN materials management computer system, and are current as of the date of issue of the booklet. - Page 12 MX Series - 1 Watt UHF AMPLIFIER GENERAL DESCRIPTION FIRST-TIME, ON-SITE TRANSMITTER START-UP PROCEDURE: Please take the time to read and understand the technical Sections of this manual, which contain information that you might want or need when you first start your newly installed transmitter.
- Page 13 MX Series - 1 Watt UHF AMPLIFIER GENERAL DESCRIPTION Notes: TSM 20-312 rev 0: June 14, 2000 W UHF Amplifier...