Daniels Electronics MT-3 Instruction Manual page 56

52
Revision History
Revision Date
4-2-0
(cont)
4-3-0 Jun 05
4-4-0 Dec 05
4-5-0 Feb 06
5-0-0 Feb 2010
MT-3 FM Transmitter Mainboard Instruction Manual
IM20-MT3TXMN
Action # Description
829 Update Parts List
836 Update C56 to 47nF for 950MHz transmitters.
836A1 CO 836 expanded to include the UT-3/930-SXB300 Audio Processor
model selected components.
836A2 CO 836 expanded to include the UT-3/930-SXB300 with this main
board.
846 • Update Audio Processor Component Layout and the Audio
Processor Component Layout Selection Table.
• Alignment procedures updated.
--- • Revision History older than 7yrs removed from publication.
• Top level mechanical parts moved to the top level Transmitter IMs;
– for all VHF Synthesized Tx mech parts consult IM20-VT3150
– for all UHF Synthesized Tx mech parts consult IM23-UT3400
– for all Crystal Tx mech parts consult IM21-xT3C
6056 OC-3 Product discontinued. Remove references.
6113 VT-3/140 Audio Processor select value table updated.
6115 VT-3/160 Audio Processor select value table updated.
6129 UT-3/420-SXCX00 Audio Processor select value table updated.
6130 UT-3/460-SXCX00 Audio Processor select value table updated.
--- Audio Processor Parts list expanded to display all models and their
band selected components.
Revision history older than seven years has been removed.
6127 Improve the Low Band transmitter's standard subtone response.
6154 VHF and UHF Audio Processor Max Dev tuning change.
6344 Remove all references specific to the MT-3 800/900 MHz product.
6347 Discontinue the MT-3 UHF 400 and VHF 150 modules.
• updated 43-920917 CLD – Top and schematic
6437 VT-3H045 Temp compensation adjustment.
• Updated the MT-3 VHF Low Band Performance Specifications
6452 VT-3H035 Temp compensation adjustment.
3682 • Update operating voltage to nominal (10–17 V)
• Change document title to include MT-3
--- • Update company logos and trademark information
• Apply Daniels Style Guide
• Update BOMs, schematics and CLDs