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CHV400BTD
Axcera CHV400BTD Manuals
Manuals and User Guides for Axcera CHV400BTD. We have
1
Axcera CHV400BTD manual available for free PDF download: Technical Manual
Axcera CHV400BTD Technical Manual (87 pages)
ATSC VHF High Band Transmitter
Brand:
Axcera
| Category:
Transmitter
| Size: 4 MB
Table of Contents
Table of Contents
3
Introduction
5
Manual Overview
5
Assembly Designators
5
Safety
5
Appendix A
5
Innovator, CHV400BTD
5
Innovator CHV400BTD Transmitter System Drawing List
5
Subassemblies & Boards Drawing List
5
Contact Information
7
Return Material Procedure
7
Limited One Year Warranty for Axcera Products
8
Temperature Conversion
11
Unpacking and Installation
15
Unpacking
15
Installation
15
Tray Slide Installation
16
AC Input Connections
17
Input and Output Connections
18
Initial on Site Turn on Procedure
21
Typical System Operating Parameters
22
Typical Problems, Indications and Causes in CHV200B Tray
23
LCD Display and Front Panel LED Indicators
23
System Remote Connections
25
LCD Front Panel Screens
26
Operation Screens
28
Set up Screens
35
System Description
41
(Optional) Innovator CHVB Series Web Ethernet Interface
45
(Optional) Innovator CHVB Series SNMP Ethernet Interface
51
Circuit Descriptions of Boards in the CHV200B System
53
(A1) 8 VSB Demodulator Board (1308275) - Only Used with BRD Operation
53
Overview
53
Microcontroller Functions
53
Jumper and DIP Switch Settings
53
(A2) Digital Modulator Board (1304883), Part of the Digital Modulator
54
W/Power Conditioner (1309629)
54
SMPTE-310 Input
54
Channel Coder
54
Analog Output Section
54
Pilot Frequency Generation
54
Voltage Requirements
55
(A3) if Pre-Corrector Board (1308796)
55
Pin-Diode Attenuator Circuit
56
In Phase and Quadrature Corrector Circuits
56
Frequency Response Corrector Circuit
57
ALC Circuit
57
Input Fault and Modulation Fault Circuitry
58
VDC, +6.8 VDC, and VREF Needed to Operate the Board
59
(A4) Frequency Agile Upconverter Board (1309695)
59
(A5) ALC Board, Innovator CX Series (1308570)
60
(A6) Amplifier Assembly (1313959) - Used in the CHV20B Tray
61
(A6-A1) VHF HB Pre-Driver Assembly (1313899)
61
(A6-A2) 50 Watt Amplifier Pallet, Italmec (1313484)
62
(A6) 200 Watt Driver Amplifier Assembly (1313912) - Used in the CHV200B
62
(A6-A1) 50 Watt Amplifier Pallet, Italmec (1313484)
62
(A6-A2) 500 Watt Amplifier Pallet, Italmec (1313581)
62
(A7) Output Metering Detector Board (1313747)
62
(A8) Control Card, Innovator CX (1312543)
63
(A9 & A10) Power Supplies Used in CHV20B, CHV200B, and Driver for CHV400B & Higher Power
63
Circuit Description of External System Metering Board Which Is Only Used in Transmitters with Multiple External Amplifier Trays
64
(A5) System Metering Board (1312666)
64
Circuit Descriptions of Boards in the CHV400, 400 Watt ATSC Amplifier Tray
65
(A7) Amplifier Control Board (1312260)
65
(A10) Current Metering Board (1309130)
65
(A5) 2 Way Splitter Board (1313941), in CHV400B
66
(A2 & A3) 500 Watt Amplifier Pallets (1313581)
66
(A6) 2 Way Combiner Board (1313969), in CHV400B
66
(A8 & A9) CHV400B, 500 Watt, 750 Watt and 1000 Watt Amplifier Tray Power Supplies
66
(Optional) ASI to S310 Converter Module
67
ASI Motherboard (1311179)
67
ASI to 310 Conversion Board, Non-SFN (1311219)
67
ASI to 310 Conversion Board, SFN (1309764)
68
System Set up Procedure
69
Set up of the LO1 and LO2 Samples on Upconverter Board
69
Set up of the if Precorrector Board in the System
70
ALC Board Set-Up, Forward and Reflected Power Calibration for CHV200B Systems
71
Forward and Reflected Power Calibration of CHV400B and Higher Power Systems with One or more External Amplifier Trays
72
Linearity Correction Adjustment (Non-Linear Distortions)
74
Linearity Correction Adjustment (Linear Distortions)
75
Appendix B
82
Chv20Btd
82
Innovator CXB Series Transmitter
82
CHV20BTD Driver Tray
82
Appendix C
86
Chv400B
86
Innovator CXB Series Transmitter
86
CHV400B Amplifier Tray
86
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