User's Manual

Innovator CU5-1800BTD/BRD ATSC Transmitter/ Table of Contents
Regenerative Translator
Instruction Manual, Rev. 0 i 8/4/09
Table of Contents
Introduction ......................................................................................................1
Manual Overview ............................................................................................1
Assembly Designators .....................................................................................1
Safety ...........................................................................................................1
Contact Information........................................................................................2
Return Material Procedure ...............................................................................2
Limited One Year Warranty for Axcera Products..................................................3
Unpacking and Installation ................................................................................11
Unpacking ...................................................................................................11
Installation ..................................................................................................11
Tray Slide Installation ................................................................................12
AC Input Connections .......................................................................................12
Input and Output Connections ...........................................................................14
Initial On Site Turn On Procedure.......................................................................18
Typical System Operating Parameters ................................................................19
Typical Problems, Indications and Causes ...........................................................20
LCD Display and Front Panel LED Indicators ........................................................21
System Remote Connections .............................................................................22
LCD Front Panel Screens...................................................................................24
Operation Screens ........................................................................................25
Set Up Screens ............................................................................................30
System Description ..........................................................................................36
(Optional) Innovator CXB Series Web Ethernet Interface ......................................38
Circuit Descriptions of Boards in the CU5, CU30, CU50, CU100 & CU125 Systems .... 42
(A1) 8 VSB Demodulator Board (1308275) - Only used with BRD operation .........42
Overview..................................................................................................42
Microcontroller Functions............................................................................ 42
Jumper and DIP Switch Settings..................................................................42
(A2) Digital Modulator Board (1304883), Part of the Digital Modulator ................42
w/Power Conditioner (1309629) .....................................................................42
SMPTE-310 Input ......................................................................................42
Channel Coder ..........................................................................................43
Analog Output Section ...............................................................................43
Pilot Frequency Generation.........................................................................43
Voltage Requirements................................................................................ 43
(A3) IF Pre-Corrector Board (1308796) ...........................................................44
Pin-Diode Attenuator Circuit ........................................................................44
In Phase and Quadrature Corrector Circuits ..................................................45
Frequency Response Corrector Circuit..........................................................46
ALC Circuit ...............................................................................................46
Input Fault and Modulation Fault Circuitry ....................................................47
±12 VDC, +6.8 VDC, and VREF needed to operate the Board .........................47
(A4) Frequency Agile Upconverter Board (1309695) .........................................48
(A5) ALC Board, Innovator CX Series (1308570) ..............................................49
(A6) Amplifier Assembly (1309621) – Used in the CU5 ......................................50
(A6-A1) 2 Stage UHF Amplifier Board, 24V (1309608) ...................................50
(A6) Amplifier Assembly (1312566) – Used in the CU30 and CU50 .....................51
(A6-A1) 2 Stage UHF Amplifier Board (1308784) ..........................................51
(A6-A2) RF Module Pallet w/Philips Transistors (1300116)..............................51
(A6) Amplifier Assembly (1312191) – Used in the CU100 & CU125 .....................52
(A6-A1) 1 Watt UHF Amplifier Module (1310282) ..........................................52