Motorola ASTRO Digital Spectra Plus Service Manual page 12

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HRN6019C 800 MHz RF Board Schematic Diagram (Sheet 2 of 2)......................................7-13
HRN6019C 800 MHz RF Component Location Diagram.......................................................7-14
7.3
Command Board Section .............................................................................................................7-17
Command Board Schematic Diagram ...................................................................................7-17
Command Board Component Location Diagrams .................................................................7-18
Diagram .................................................................................................................................7-21
7.4
VOCON Section ...........................................................................................................................7-26
HLN6458D VOCON Board Schematic (Sheet 1 of 2)............................................................7-26
HLN6458D VOCON Board Schematic (Sheet 2 of 2)............................................................7-27
HLN6458E VOCON Board Schematic (Sheet 1 of 2) ............................................................7-32
HLN6458E VOCON Board Schematic (Sheet 2 of 2) ............................................................7-33
HLN6458F/G VOCON Board Schematic (Sheet 1 of 2) ........................................................7-38
HLN6458F/G VOCON Board Schematic (Sheet 2 of 2) ........................................................7-39
HLN6458H VOCON Board Schematic (Sheet 1 of 2)............................................................7-44
HLN6458H VOCON Board Schematic (Sheet 2 of 2)............................................................7-45
HLN6458H VOCON Board Component Location Diagrams..................................................7-46
7.5
ASTRO Spectra Plus VOCON Section ........................................................................................7-49
ASTRO Spectra Plus VOCON Top Level Schematic (Sheet 1 of 2)......................................7-49
ASTRO Spectra Plus VOCON Top Level Schematic (Sheet 2 of 2) ......................................7-50
HLN6837A ASTRO Spectra Plus Audio/DC Schematic ........................................................7-55
HLN6837A ASTRO Spectra Plus Voltage Conversion Schematic.........................................7-56
HLN6837A ASTRO Spectra Plus Secure Interface Schematic .............................................7-57
HLN6837C ASTRO Spectra Plus Audio/DC Discrete Schematic .........................................7-66
HLN6837C ASTRO Spectra Plus RF Interface Schematic....................................................7-67
HLN6837C ASTRO Spectra Plus Secure Schematic ............................................................7-68
HLN6837C ASTRO Spectra Plus VTrans/USB Schematic....................................................7-69
7.6
VCO Section.................................................................................................................................7-75
HLD6061D and HLD6062D VHF VCO Hybrid Schematic .....................................................7-75
HLD4342B and HLD4343B VHF VCO Carrier Schematic Diagram ......................................7-78
HLD4342D and HLD4343D VHF VCO Carrier Schematic Diagram ......................................7-79
October 28, 2002
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6881076C25-D

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