BENDIXKing KY 97A Service Manual

MAINTENANCE MANUALKY 96A, KY 97AVHF COMMUNICATIONTRANSCEIVERMANUAL NUMBER 006-05674-0005Revision 5, April 2003h

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 4-2It proceeds through the low pass filter which attenuates all audio frequencies above 2.5

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-796.4.6 KY 96A (28V) Modulator Assembly200-04271-0000 28V MODULATOR ASSY R

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-80THIS PAGE RESERVED

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-81THIS PAGE CONTAINS OLD REVISION BOMS, FOR REFERENCE ONLY.

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-82THIS PAGE RESERVED

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-83FIGURE 6-6 KY 96A (28V) Modulator Assembly(Dwg No 300-04271-0000, Rev AB)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-85FIGURE 6-6A KY 96A (28V) Modulator Assembly(Dwg No 300-04271-0000, Rev 6)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-876.4.7 LCD Display Board200-07479-0000 LCD DISPLAY BD REV AC200-07479

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-88THIS PAGE RESERVED

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-89THIS PAGE CONTAINS OLD REVISION BOMS, FOR REFERENCE ONLY.

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-90THIS PAGE RESERVED

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 4-34.3 DETAILED THEORY OF OPERATIONRefer to schematics in Section VI of this manual.4.3.1 R

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-91FIGURE 6-7 LCD Display Board Assembly(Dwg No 300-07479-0000, Rev AC)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-93FIGURE 6-7A LCD Display Board Assembly(Dwg No 300-07479-0000, Rev 6)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-95FIGURE 6-7B LCD Display Board Assembly(Dwg No 300-07479-0000, Rev 3)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-97FIGURE 6-7C LCD Display Board Assembly(Dwg No 300-07479-0000, Rev 2)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-99FIGURE 6-8 LCD Display Board Schematic(Dwg No 002-07479-0000, Rev AB)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-101FIGURE 6-8A LCD Display Board Schematic(Dwg No 002-07479-0000, Rev 2)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-103FIGURE 6-8B LCD Display Board Schematic(Dwg No 002-07479-0000, Rev 1)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-1056.4.8 Transmitter Board200-07540-0000 KY97A 14V 5W TX BD REV 4200-07540

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-106-----------------------------------------------------------------------------SYMBOL

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-107THIS PAGE CONTAINS OLD REVISION BOMS, FOR REFERENCE ONLY.

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 4-4The desired signal is coupled from T102 to the first IF amplifier, I101. The first IF a

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-108THIS PAGE CONTAINS OLD REVISION BOMS, FOR REFERENCE ONLY.

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-109FIGURE 6-9 KY 97A (14V) Transmitter Board Assembly(Dwg No 300-07540-0000, Rev AA)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-111FIGURE 6-9A KY 97A (14V) Transmitter Board Assembly(Dwg No 300-07540-0000, Rev 6)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-113FIGURE 6-9B KY 97A (14V) Transmitter Board Assembly(Dwg No 300-07540-0000, Rev 3)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-115FIGURE 6-10 KY 97A (14V) Transmitter Board Schematic(Dwg No 002-07540-0000, Rev 7)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-117FIGURE 6-10A KY 97A (14V) Transmitter Board Schematic(Dwg No 002-07540-0000, Rev 4)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-119FIGURE 6-10B KY 97A (14V) Transmitter Board Schematic(Dwg No 002-07540-0000, Rev 3)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-121FIGURE 6-11 KY 96A (28V) Transmitter Board Assembly(Dwg No 300-07540-0001, Rev AA)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-123FIGURE 6-11A KY 96A (28V) Transmitter Board Assembly(Dwg No 300-07540-0001, Rev 6)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-125FIGURE 6-11B KY 96A (28V) Transmitter Board Assembly(Dwg No 300-07540-0001, Rev 3)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 4-5the input signal to the noise amp is shorted to ground, causing the noise squelch circui

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-127FIGURE 6-12 KY 96A (28V) Transmitter Board Schematic(Dwg No 002-07540-0001, Rev 6)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-129FIGURE 6-12A KY 96A (28V) Transmitter Board Schematic(Dwg No 002-07540-0001, Rev 3)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-131FIGURE 6-12B KY 96A (28V) Transmitter Board Schematic(Dwg No 002-07540-0001, Rev 2)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-133FIGURE 6-12C KY 96A (28V) Transmitter Board Schematic(Dwg No 002-07540-0001, Rev 1)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-1356.4.9 Audio Amplifier Board200-07797-0000 AUDIO AMP BOARD REV 9-----

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-136---------------------------------------------------------------SYMBOL PART NUMBER

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-137THIS PAGE CONTAINS OLD REVISION BOMS, FOR REFERENCE ONLY.

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-138THIS PAGE CONTAINS OLD REVISION BOMS, FOR REFERENCE ONLY.

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-139FIGURE 6-13 Audio Amplifier Board Assembly(Dwg No 300-07797-0000, Rev AB)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-141FIGURE 6-13A Audio Amplifier Board Assembly(Dwg No 300-07797-0000, Rev 2)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 4-64.3.2.1 SynthesizerThe stabilized master oscillator is based around synthesizer I103 whi

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-143FIGURE 6-14 Audio Amplifier Board Schematic(Dwg No 002-07797-0000, Rev AA)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-145FIGURE 6-14A Audio Amplifier Board Schematic(Dwg No 002-07797-0000, Rev 4)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-147FIGURE 6-14B Audio Amplifier Board Schematic(Dwg No 002-07797-0000, Rev 2)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-1496.4.10 Main Board200-07799-0000 97A MAIN BD 25KHZ REV AB200-07799-0001

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B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 4-74.3.2.6 Digital BufferQ106, Q107 and their associated parts form the digital buffers. T

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B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-159200-07799-0003 96A MAIN BD 50KHZ REV AA200-07799-0099 COMMON BOM

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-160----------------------------------------------------------------------SYMBOL PART N

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B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 4-84.3.3.5 Modulator (14 Volts KY 97A)The audio signal is applied to the primary of T108, w

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-166----------------------------------------------------------------------SYMBOL PART N

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-167----------------------------------------------------------------------SYMBOL PART N

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-168THIS PAGE RESERVED

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-169THIS PAGE CONTAINS OLD REVISION BOMS, FOR REFERENCE ONLY.

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-170THIS PAGE CONTAINS OLD REVISION BOMS, FOR REFERENCE ONLY.

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-171THIS PAGE CONTAINS OLD REVISION BOMS, FOR REFERENCE ONLY.

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-172THIS PAGE CONTAINS OLD REVISION BOMS, FOR REFERENCE ONLY.

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-173THIS PAGE CONTAINS OLD REVISION BOMS, FOR REFERENCE ONLY.

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-174THIS PAGE CONTAINS OLD REVISION BOMS, FOR REFERENCE ONLY.

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-175THIS PAGE CONTAINS OLD REVISION BOMS, FOR REFERENCE ONLY.

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 4-9The microprocessor (uP), pin 32, sends two 24 bit serial data streams to the synthe-size

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-176THIS PAGE CONTAINS OLD REVISION BOMS, FOR REFERENCE ONLY.

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-177THIS PAGE CONTAINS OLD REVISION BOMS, FOR REFERENCE ONLY.

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-178THIS PAGE RESERVED

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-179200-07799-0020 97A MNBD 25K FUJI REV D200-07799-0021 96A MN BD 25K FUJ

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B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 4-10The display is a liquid crystal (LCD) type with three sections (“USE,” “STBY,” and “CHA

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B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-189200-07799-0023 96A MN BD 50K FUJI REV B200-07799-0099 COMMON BOM

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B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 4-11auxiliary inputs to the desired level to be fed to the Mic Intercom input. C1207 filte

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-196----------------------------------------------------------------------SYMBOL PART N

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-197----------------------------------------------------------------------SYMBOL PART N

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-198THIS PAGE RESERVED

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-199FIGURE 6-15 KY 97A (14V) Main Board Assembly (Sht 1 of 2) (Dwg No 300-07799-0000, Rev

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-201FIGURE 6-15 KY 97A (14V) Main Board Assembly (Sht 2 of 2) (Dwg No 300-07799-0000, Rev

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-203FIGURE 6-15A KY 97A (14V) Main Board Assembly (Sht 1 of 2) (Dwg No 300-07799-0000, Re

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-205FIGURE 6-15A KY 97A (14V) Main Board Assembly (Sht 2 of 2) (Dwg No 300-07799-0000, Re

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-207FIGURE 6-15B KY 97A (14V) Main Board Assembly (Sht 1 of 2) (Dwg No 300-07799-0000, Re

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-209FIGURE 6-15B KY 97A (14V) Main Board Assembly (Sht 2 of 2) (Dwg No 300-07799-0000, Re

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-211FIGURE 6-15C KY 97A (14V) Main Board Assembly (Sht 1 of 2) (Dwg No 300-07799-0000, Re

WARNINGTHE ENCLOSED TECHNICAL DATA IS ELIGIBLE FOR EXPORT UNDER LICENSE DESIGNATION NLR AND IS TO BE USED SOLELY BY THE INDIVIDUAL/ ORGANIZA-TION TO W

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 4-12THIS PAGE RESERVED

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-213FIGURE 6-15C KY 97A (14V) Main Board Assembly (Sht 2 of 2) (Dwg No 300-07799-0000, Re

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-215FIGURE 6-16 KY 96A (28V) Main Board Assembly (Sht 1 of 2) (Dwg No 300-07799-0001, Rev

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-217FIGURE 6-16 KY 96A (28V) Main Board Assembly (Sht 2 of 2) (Dwg No 300-07799-0001, Rev

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-219FIGURE 6-16A KY 96A (28V) Main Board Assembly (Sht 1 of 2) (Dwg No 300-07799-0001, Re

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-221FIGURE 6-16A KY 96A (28V) Main Board Assembly (Sht 2 of 2) (Dwg No 300-07799-0001, Re

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-223FIGURE 6-16B KY 96A (28V) Main Board Assembly (Sht 1 of 2) (Dwg No 300-07799-0001, Re

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-225FIGURE 6-16B KY 96A (28V) Main Board Assembly (Sht 2 of 2) (Dwg No 300-07799-0001, Re

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-227FIGURE 6-16C KY 96A (28V) Main Board Assembly (Sht 1 of 2) (Dwg No 300-07799-0001, Re

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-229FIGURE 6-16C KY 96A (28V) Main Board Assembly (Sht 2 of 2) (Dwg No 300-07799-0001, Re

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-231FIGURE 6-17 KY 96A, KY 97A (28V_14V) Main Board Schematic (Sht 1 of 9)(Dwg No 002-077

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 4-13FIGURE 4-1 Receiver Block Diagram(Dwg No 696-5674-01 Rev 0)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-233FIGURE 6-17 KY 96A, KY 97A (28V_14V) Main Board Schematic (Sht 2 of 9)(Dwg No 002-077

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-235FIGURE 6-17 KY 96A, KY 97A (28V_14V) Main Board Schematic (Sht 3 of 9)(Dwg No 002-077

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-237FIGURE 6-17 KY 96A, KY 97A (28V_14V) Main Board Schematic (Sht 4 of 9)(Dwg No 002-077

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-239FIGURE 6-17 KY 96A, KY 97A (28V_14V) Main Board Schematic (Sht 5 of 9)(Dwg No 002-077

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-241FIGURE 6-17 KY 96A, KY 97A (28V_14V) Main Board Schematic (Sht 6 of 9)(Dwg No 002-077

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-243FIGURE 6-17 KY 96A, KY 97A (28V_14V) Main Board Schematic (Sht 7 of 9)(Dwg No 002-077

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-245FIGURE 6-17 KY 96A, KY 97A (28V_14V) Main Board Schematic (Sht 8 of 9)(Dwg No 002-077

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-247FIGURE 6-17 KY 96A, KY 97A (28V_14V) Main Board Schematic (Sht 9 of 9)(Dwg No 002-077

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-249FIGURE 6-17A KY 96A, KY 97A (28V_14V) Main Board Schematic (Sht 1 of 6)(Dwg No 002-07

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-251FIGURE 6-17A KY 96A, KY 97A (28V_14V) Main Board Schematic (Sht 2 of 6)(Dwg No 002-07

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 4-15FIGURE 4-2 Transmitter Block Diagram(Dwg No 696-5674-02 Rev 0)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-253FIGURE 6-17A KY 96A, KY 97A (28V_14V) Main Board Schematic (Sht 3 of 6)(Dwg No 002-07

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-255FIGURE 6-17A KY 96A, KY 97A (28V_14V) Main Board Schematic (Sht 4 of 6)(Dwg No 002-07

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-257FIGURE 6-17A KY 96A, KY 97A (28V_14V) Main Board Schematic (Sht 5 of 6)(Dwg No 002-07

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-259FIGURE 6-17A KY 96A, KY 97A (28V_14V) Main Board Schematic (Sht 6 of 6)(Dwg No 002-07

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-261FIGURE 6-17B KY 96A, KY 97A (28V_14V) Main Board Schematic (Sht 1 of 6)(Dwg No 002-07

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-263FIGURE 6-17B KY 96A, KY 97A (28V_14V) Main Board Schematic (Sht 2 of 6)(Dwg No 002-07

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-265FIGURE 6-17B KY 96A, KY 97A (28V_14V) Main Board Schematic (Sht 3 of 6)(Dwg No 002-07

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-267FIGURE 6-17B KY 96A, KY 97A (28V_14V) Main Board Schematic (Sht 4 of 6)(Dwg No 002-07

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-269FIGURE 6-17B KY 96A, KY 97A (28V_14V) Main Board Schematic (Sht 5 of 6)(Dwg No 002-07

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-271FIGURE 6-17B KY 96A, KY 97A (28V_14V) Main Board Schematic (Sht 6 of 6)(Dwg No 002-07

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 4-17FIGURE 4-3 Microprocessor Block Diagram(Dwg No 696-5674-03 Rev 0)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd S-1APPENDIX SSOFTWARE/ HARDWARE CONFIGURATION

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd S-2THIS PAGE RESERVED

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page S-3FIGURE S-1 KY 96A Software/ Hardware Configuration (Sht 1 of 3)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page S-5FIGURE S-1 KY 96A Software/ Hardware Configuration (Sht 2 of 3)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page S-7FIGURE S-1 KY 96A Software/ Hardware Configuration (Sht 3 of 3)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page S-9FIGURE S-2 KY 97A Software/ Hardware Configuration (Sht 1 of 3)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page S-11FIGURE S-2 KY 97A Software/ Hardware Configuration (Sht 2 of 3)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page S-13FIGURE S-2 KY 97A Software/ Hardware Configuration (Sht 3 of 3)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 5-1SECTION VMAINTENANCE5.1 GENERAL INFORMATIONThis section contains information on tests, a

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 5-25.2.2 TEST EQUIPMENT SETUPConnect test equipment according to Figure 5-1.Linear Detector

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 5-3FIGURE 5-1 Typical Test Equipment Setup

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 5-45.3 PERFORMANCE TEST PROCEDUREThis section is a cover on return-to-service performance t

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 5-5NOTE: Disable the audio compressor by grounding pin 10 on P96A1, P97A1.5.3.2.A. Sensitiv

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 5-6is referenced to 1 kHz, compressor enabled. (This is an optional test that re-quires a

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd RH-1REVISION HISTORYMAINTENANCE MANUALBENDIX/KINGKY 96A, KY 97AVHF Communication TransceiverPART

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 5-7After 2 minutes continuous key:NOTE: Units with Mic-key Disable will shut down transmitt

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 5-8350 Hz = ___NMT 6dB down 1 kHz = ___ 0 2.5 kHz = ___NMT 6dB downInput a standard modulat

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 5-9Input a 100 uV standard audio test signal into the unit. Disable the compres-sor by gro

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 5-105.4.3 VCO AdjustSet frequency to 135.975 MHz and put unit in transmit mode.Adjust the T

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 5-11Load L107 tune L105Load L105 tune L107Adjust T101, T102, T103, and T104 for maximum ACG

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 5-125.5.2.3 Clean electrical contacts with a burnishing tool or cloth lightly moistened wit

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 5-13FIGURE 5-2 Linear DetectorFIGURE 5-3 Mic Test Circuit

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 5-14FIGURE 5-4 40 dB Attenuator

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 5-15FIGURE 5-5 Bench Test Harness

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-1SECTION VIILLUSTRATED PARTS LIST10006.1 INTRODUCTIONThe Illustrated Parts List (IPL) con

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd RH-2THIS PAGE RESERVED

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-2FB Ferrite BeadFL FilterFT FeedthruI Integrated CircuitITM Item (Non-electrical)J Jack,

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-36.2.3 PART NUMBER COLUMNThe part number column contains the Honeywell part number for ea

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-4AMP Ampere, AmplifierANT AntennaASSY AssemblyBD BoardBI TwoBIFLR BifilarBLK BlackBLU Blu

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-5FC Fixed CompositionFERR FerriteFET Field Effect TransistorFHP Flat Head PhillipsFLTR Fi

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-6MA MilliampMC Monolithic CeramicMF MicrofaradMH MillihenryMHZ MegahertzMOD ModificationM

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-7PRGA Programmable Gate ArrayPROM Programmable Read Only MemoryPS Polystyrene, Power Supp

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-8SYN SynthesizerSYNC SynchronizerSYS SystemTCXO Temperature Controlled Crystal Oscillator

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-96.2.6 ASSEMBLY (A) COLUMNAn “A” in this column indicates that the part is a sub-assembly

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-10vice sets. The 122-XXXXX-XXXX P/N series designates discrete programmed devices within

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-116.3.2.1.1 For 9-digit 205-WWWW-RN board labels, the first 7 digits are contained on a

B TABLE OF CONTENTS KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd TOC-1SECTION IVTHEORY OF OPERATIONParagraph Page4.1 General...

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-12The 126- P/N non-software programmable device sets that fulfill hardware requirements a

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-13Figure 6-0 Sample Parts List(Sheet 1 of 4)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-14Figure 6-0 Sample Parts List(Sheet 2 of 4)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-15Figure 6-0 Sample Parts List(Sheet 3 of 4)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-16Figure 6-0 Sample Parts List(Sheet 4 of 4)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-176.4 ILLUSTRATED PARTS LIST6.4.1 KY 96A VHF Communication Transceiver064-01052-0010 96A

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-18------------------------------------------------------------------------------------SYM

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-19064-01052-0031 96A 50K SEL 136975 REV AB064-01052-0050 96A 25KHZ W/AUDAM

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-20------------------------------------------------------------------------------------SYM

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-21064-01052-0060 96A 25KHZ36975W/AM REV AB064-01052-0061 96A50KHZ36975W/AM

B TABLE OF CONTENTS KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd TOC-2SECTION VIILLUSTRATED PARTS LISTParagraph Page6.1 Introduction...

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-22------------------------------------------------------------------------------------SYM

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-23THIS PAGE CONTAINS OLD REVISION BOMS, FOR REFERENCE ONLY.

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-24THIS PAGE CONTAINS OLD REVISION BOMS, FOR REFERENCE ONLY.

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-25FIGURE 6-1 KY 96A Final Assembly (Sht 1 of 2)(Dwg No 300-04268-0000, Rev AG, Sht 1)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-27FIGURE 6-1 KY 96A Final Assembly (Sht 2 of 2)(Dwg No 300-04268-0000, Rev AG, Sht 2)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-29FIGURE 6-1A KY 96A Final Assembly (Sht 1 of 2)(Dwg No 300-04268-0000, Rev 12, Sht 1)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-31FIGURE 6-1A KY 96A Final Assembly (Sht 2 of 2)(Dwg No 300-04268-0000, Rev 12, Sht 2)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-33FIGURE 6-1B KY 96A Final Assembly (Sht 1 of 2)(Dwg No 300-04268-0000, Rev 11, Sht 1)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-35FIGURE 6-1B KY 96A Final Assembly (Sht 2 of 2)(Dwg No 300-04268-0000, Rev 11, Sht 2)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-37FIGURE 6-1C KY 96A Final Assembly (Sht 1 of 2)(Dwg No 300-04268-0000, Rev 8, Sht 1)

B TABLE OF CONTENTS KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd TOC-36-6A KY 96A (28V) Modulator Assembly ...(Dwg 300-04271-0000)...

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-39FIGURE 6-1C KY 96A Final Assembly (Sht 2 of 2)(Dwg No 300-04268-0000, Rev 8, Sht 2)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-416.4.2 KY 97A VHF Communication Transceiver064-01051-0010 97A 25 KHZ SEL

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-42------------------------------------------------------------------------------------SYM

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-43064-01051-0031 97A 50K SEL 136975 REV AB064-01051-0050 97A 25KHZ W/AUDAMP

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-44------------------------------------------------------------------------------------SYM

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-45064-01051-0060 97A25KHZ36975W/AMP REV AB064-01051-0061 97A50KHZ36975W/AM

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-46------------------------------------------------------------------------------------SYM

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-47THIS PAGE CONTAINS OLD REVISION BOMS, FOR REFERENCE ONLY.

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-48THIS PAGE CONTAINS OLD REVISION BOMS, FOR REFERENCE ONLY.

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-49FIGURE 6-2 KY 97A Final Assembly (Sht 1 of 2) (Dwg No 300-04268-0001, Rev AG, Sht 1)

B TABLE OF CONTENTS KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd TOC-4APPENDIX SSOFTWARE/ HARDWARE CONFIGURATIONLIST OF ILLUSTRATIONSFigure Pag

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-51FIGURE 6-2 KY 97A Final Assembly (Sht 2 of 2) (Dwg No 300-04268-0001, Rev AG, Sht 2)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-536.4.3 KY 96A, KY 97A Unit Software Set206-00021-0020 TOP SW BOM, KY96A/97A

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-54THIS PAGE RESERVED

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-55THIS PAGE CONTAINS OLD REVISION BOMS, FOR REFERENCE ONLY.NOTE: Programmed chip P/N 122-

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-56THIS PAGE RESERVED

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-576.4.4 LCD Processor Board200-07475-0000 LCD PROCESSOR BD REV 0200-0747

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-58-----------------------------------------------------------------------------SYMBOL

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-59THIS PAGE CONTAINS OLD REVISION BOMS, FOR REFERENCE ONLY.

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-60THIS PAGE CONTAINS OLD REVISION BOMS, FOR REFERENCE ONLY.

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-61FIGURE 6-3 LCD Processor Board Assembly(Dwg No 300-07475-0000, Rev AA)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 4-1SECTION IVTHEORY OF OPERATION4.1 GENERALThe KY 96A, KY 97A Comm Transceiver is comprised

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-63FIGURE 6-3A LCD Processor Board Assembly (Dwg No 300-07475-0000, Rev 3)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-65FIGURE 6-4 LCD Processor Board Schematic (Dwg No 002-07475-0000, Rev AB)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-67FIGURE 6-4A LCD Processor Board Schematic (Dwg No 002-07475-0000, Rev 4)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-69FIGURE 6-4B LCD Processor Board Schematic (Dwg No 002-07475-0000, Rev 3)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-716.4.5 KY 97A (14V) Modulator Assembly200-04270-0000 14V MODULATOR ASSY R

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-72THIS PAGE RESERVED

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-73THIS PAGE CONTAINS OLD REVISION BOMS, FOR REFERENCE ONLY.

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-74THIS PAGE RESERVED

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-75FIGURE 6-5 KY 97A (14V) Modulator Assembly(Dwg No 300-04270-0000, Rev AA)

B KY 96A, KY 97ARev 5, Apr 2003 MM 006-05674-0005.dwd Page 6-77FIGURE 6-5A KY 97A (14V) Modulator Assembly(Dwg No 300-04270-0000, Rev 6)