Service manual
Table Of Contents
- ul-68P81076C25-C_AT_DS_ASPlus-Part1_astro_d.pdf
- ASTRO Digital Spectra and Spectra Plus UHF/VHF/800 MHz Mobile Radios Detailed Service Manual
- File 1 (Front cover to pg. 6-14)
- Foreword
- Table of Contents
- List of Figures
- List of Tables
- Related Publications
- Commercial Warranty
- Model Numbering, Charts, and Specifications
- Mobile Radio Model Numbering Scheme
- ASTRO Digital Spectra Motorcycle 15 Watt (Ranges 1 and 2) Model Chart
- ASTRO Digital Spectra Motorcycle 15 Watt (Ranges 3 and 3.5) Model Chart
- ASTRO Digital Spectra VHF 10–25 Watt Model Chart
- ASTRO Digital Spectra VHF 10–25 and 50–110 Watt Model Chart
- ASTRO Digital Spectra VHF 10–25 and 50–110 Watt Model Chart (cont.)
- ASTRO Digital Spectra UHF 10–25 Watt Model Chart
- ASTRO Digital Spectra UHF 20–40 Watt Model Chart
- ASTRO Digital Spectra UHF 20–40 Watt Model Chart (cont.)
- ASTRO Digital Spectra UHF 50–110 Watt Model Chart
- ASTRO Digital Spectra UHF 50–110 Watt Model Chart (cont.)
- ASTRO Digital Spectra 800 MHz Model Chart
- ASTRO Digital Spectra Plus VHF 25–50 and 50–110 Watt Model Chart
- ASTRO Digital Spectra Plus VHF 25–50 and 50–110 Watt Model Chart (cont.)
- ASTRO Digital Spectra Plus 800 MHz Model Chart
- ASTRO Digital Spectra Plus 800 MHz Model Chart (cont.)
- VHF Radio Specifications
- UHF Radio Specifications
- 800 MHz Radio Specifications
- Chapter 1 Introduction
- Chapter 2 General Overview
- 2.1 Introduction
- 2.2 Analog Mode of Operation
- 2.3 ASTRO Mode of Operation
- 2.4 Control Head Assembly
- 2.4.1 Display (W3 Model)
- 2.4.2 Display (W4, W5, and W7 Models)
- 2.4.3 Display (W9 Model)
- 2.4.4 Vacuum Fluorescent Display Driver
- 2.4.5 Vacuum Fluorescent Voltage Source (W9 Model)
- 2.4.6 Controls and Indicators
- 2.4.7 Status LEDs
- 2.4.8 Backlight LEDs
- 2.4.9 Vehicle Interface Ports
- 2.4.10 Power Supplies
- 2.4.11 Ignition Sense Circuits
- 2.5 Power Amplifier
- 2.6 Front-End Receiver Assembly
- 2.7 RF Board Basic
- 2.8 Voltage-Controlled Oscillator
- 2.9 Command Board
- 2.10 ASTRO Spectra Vocoder/Controller Board
- 2.11 Radio Power
- Chapter 3 Theory of Operation
- 3.1 RF Board
- 3.2 Command Board
- 3.2.1 Microcontroller and Support ICs
- 3.2.2 Serial Input/Output IC
- 3.2.3 Power-Up/-Down Sequence
- 3.2.4 Regulators
- 3.2.5 Reset Circuits
- 3.2.6 Serial Communications on the External Bus
- 3.2.7 Synchronous Serial Bus (MOSI)
- 3.2.8 Received Audio
- 3.2.9 Microphone Audio
- 3.2.10 Transmit Deviation
- 3.2.11 RS-232 Line Driver
- 3.2.12 Flash Programming
- 3.2.13 Encryption Voltages
- 3.2.14 Regulator and Power-Control IC
- 3.3 ASTRO Spectra VOCON Board
- 3.3.1 General
- 3.3.2 Controller Section
- 3.3.3 Vocoder Section
- 3.3.4 RX Signal Path
- 3.3.5 TX Signal Path
- 3.3.6 Controller Bootstrap and Asynchronous Buses
- 3.3.7 Vocoder Bootstrap
- 3.3.8 Serial Peripheral Interface (SPI) Bus
- 3.3.9 Controller Memory Map
- 3.3.10 Vocoder Memory Map
- 3.3.11 MCU System Clock
- 3.3.12 DSP System Clock
- 3.3.13 Radio Power-Up/Power-Down Sequence
- 3.3.14 VOCON BOARD Signals
- 3.4 ASTRO Spectra Plus VOCON Board
- 3.4.1 General
- 3.4.2 ASTRO Spectra Plus Controller Section
- 3.4.3 ASTRO Spectra Plus Vocoder Section
- 3.4.4 ASTRO Spectra Plus RX Signal Path
- 3.4.5 ASTRO Spectra Plus TX Signal Path
- 3.4.6 ASTRO Spectra Plus Controller Bootstrap and Asynchronous Busses
- 3.4.7 ASTRO Spectra Plus Serial Peripheral Interface Bus
- 3.4.8 ASTRO Spectra Plus MCU and DSP System Clocks
- 3.4.9 ASTRO Spectra Plus Voltage Regulators
- 3.4.10 ASTRO Spectra Plus Radio Power-Up/Power-Down Sequence
- 3.5 Voltage Control Oscillator
- 3.6 Receiver Front-End
- 3.7 Power Amplifiers
- Chapter 4 Troubleshooting Procedures
- 4.1 ASTRO Spectra Procedures
- 4.2 ASTRO Spectra Plus Procedures
- 4.3 VCO Procedures
- 4.4 Receiver Front-End (RXFE)
- 4.5 Power Amplifier Procedures
- Chapter 5 Troubleshooting Charts
- Chapter 6 Troubleshooting Waveforms
- File 2 (pgs. 7-1 to 7-25)
- File 3 (pgs. 7-26 to 7-48)
- File 4 (pg. 7-49 to back cover)
- File 1 (Front cover to pg. 6-14)
- ASTRO Digital Spectra and Spectra Plus UHF/VHF/800 MHz Mobile Radios Detailed Service Manual
- ul-68P81076C25-C_AT_DS_ASPlus-Part2_astro_d
- ASTRO Digital Spectra and Spectra Plus UHF/VHF/800 MHz Mobile Radios Detailed Service Manual
- File 1 (Front cover to pg. 6-14)
- File 2 (pgs. 7-1 to 7-25)
- Chapter 7 Schematics, Component Location Diagrams, and Parts Lists
- 7.1 RF Section
- Table 7-1: J500 Command Board to RF Board Interconnect Board
- Table 7-2: P502 Command Board to Control Head Interconnect Board
- Table 7-2: P502 Command Board to Control Head Interconnect Board
- Table 7-3: P503 Command Board to RF Power Amplifier Board
- Table 7-4: Configuring Command Board Jumpers for Non-RS232 Operation
- Table 7-5: J501 Command Board to VOCON Board
- Table 7-5: J501 Command Board to VOCON Board
- Table 7-6: J801 VOCON Board to Encryption Board
- Table 7-6: J801 VOCON Board to Encryption Board
- Table 7-7: J601 RF Board to VCO Board
- ASTRO Spectra Radio Interconnection
- HRN4009B/HRN6014A VHF RF Board; HRN4010B/HRN6020A UHF RF Board; and HRN6019A 800 MHz RF Board Schematic
- HRN4009B/HRN6014A VHF RF Board, HRN4010B/HRN6020A UHF RF Board, and HRN6019A 800 MHz RF Board Component Location Diagrams
- HRN4009B, HRN6014A VHF RF Board HRN4010B, HRN6020A UHF RF Board HRN6019A 800 MHz RF Board Electrical Parts List
- HRN4009C/HRN6014C VHF RF Board Schematic Diagram
- HRN4009C/HRN6014C VHF RF Board Component Location Diagrams
- HRN4009C/HRN6014C VHF RF Board Electrical Parts List
- HRN4009E and HRN6014D VHF RF Board; HRN4010D and HRN6020C UHF RF Board; and HRN6019C 800 MHz RF Board Schematic Diagram (Sheet 1 of 2)
- HRN4009E and HRN6014D VHF RF Board; HRN4010D and HRN6020C UHF RF Board; and HRN6019C 800 MHz RF Board Schematic Diagram (Sheet 2 of 2)
- HRN4009E and HRN6014D VHF RF Board; HRN4010D and HRN6020C UHF RF Board; and HRN6019C 800 MHz RF Component Location Diagram
- HRN4009E and HRN6014D VHF RF Board, HRN6010D and HRN6020C UHF RF Board, and HRN6019C 800 MHz RF Board Parts Lists
- 7.2 Command Board Section
- HLN5558E/F/G, HLN6529C/D/E/F/G, HLN6560C/D/E/F/G/H and HLN6562C/D/E/F/G/H Command Board Schematic Diagram
- HLN5558E/F/G, HLN6529C/D/E, HLN6560C/D/E/F/G/H, and HLN6562C/D/E/F/G/H Command Board Component Location Diagrams
- Command Boards Reference Designator and Part Number Comparison Chart
- HLN5558E/F/G, HLN6529C/D/E, HLN6560C/D/E/F/G/H, and HLN6562C/D/E/F/G/H Parts List
- HLN5558H/J, HLN6529H, HLN6560J and HLN6562J Command Board Schematic Diagram
- HLN5558H/J, HLN6529H, HLN6560J and HLN6562J Component Location Diagram
- Command Boards Reference Designator and Part Number Comparison Chart
- HLN5558H/J, HLN6529H, HLN6560J and HLN6562J Parts List
- 7.1 RF Section
- Chapter 7 Schematics, Component Location Diagrams, and Parts Lists
- File 3 (pgs. 7-26 to 7-48)
- File 4 (pg. 7-48 to back cover)
- ASTRO Digital Spectra and Spectra Plus UHF/VHF/800 MHz Mobile Radios Detailed Service Manual
- ul-68P81076C25-C_AT_DS_ASPlus-Part3_astro_d
- ASTRO Digital Spectra and Spectra Plus UHF/VHF/800 MHz Mobile Radios Detailed Service Manual
- File 1 (Front cover to pg. 6-14)
- File 2 (pgs. 7-1 to 7-25)
- File 3 (pgs. 7-26 to 7-48)
- 7.3 VOCON Section
- HLN6458D VOCON Board Schematic (Sheet 1 of 2)
- HLN6458D VOCON Board Component Location Diagrams (Sheet 1 of 2)
- HLN6458D VOCON Board Component Location Diagrams (Sheet 2 of 2)
- HLN6458D VOCON Board Parts List
- HLN6458E VOCON Board Schematic (Sheet 1 of 2)
- HLN6458E VOCON Board Schematic (Sheet 2 of 2)
- HLN6458E VOCON Board Component Location Diagrams (Sheet 1 of 2)
- HLN6458E VOCON Board Component Location Diagrams (Sheet 2 of 2)
- HLN6458E VOCON Board Electrical Parts List
- HLN6458F/G VOCON Board Schematic (Sheet 1 of 2)
- HLN6458F/G VOCON Board Schematic (Sheet 2 of 2)
- HLN6458F/G VOCON Board Component Location Diagrams (Sheet 1 of 2)
- HLN6458F/G VOCON Board Component Location Diagrams (Sheet 2 of 2)
- HLN6458F/G VOCON Board Parts List
- HLN6458H VOCON Board Schematic (Sheet 1 of 2)
- HLN6458H VOCON Board Schematic (Sheet 2 of 2)
- HLN6458H VOCON Board Component Location Diagrams
- HLN6458H VOCON Board Electrical Parts List
- 7.3 VOCON Section
- File 4 (pg. 7-48 to back cover)
- ASTRO Digital Spectra and Spectra Plus UHF/VHF/800 MHz Mobile Radios Detailed Service Manual
- ul-68P81076C25-C_AT_DS_ASPlus-Part4_astro_d
- ASTRO Digital Spectra and Spectra Plus UHF/VHF/800 MHz Mobile Radios Detailed Service Manual
- File 1 (Front cover to pg. 6-14)
- File 2 (pgs. 7-1 to 7-25)
- File 3 (pgs. 7-26 to 7-48)
- File 4 (pg. 7-49 to back cover)
- Chapter 7: Schematics, Component Location Diagrams, and Parts Lists: ASTRO Spectra Plus VOCON Section
- 7.4 ASTRO Spectra Plus VOCON Section
- ASTRO Spectra Plus Top Level Schematic (Sheet 1 of 2)
- ASTRO Spectra Plus Top Level Schematic (Sheet 2 of 2)
- ASTRO Spectra Plus RF Interface Schematic (Sheet 1 of 2)
- ASTRO Spectra Plus RF Interface Schematic (Sheet 2 of 2)
- ASTRO Spectra Plus Digital/USB Schematic (Sheet 1 of 2)
- ASTRO Spectra Plus Digital/USB Schematic (Sheet 2 of 2)
- ASTRO Spectra Plus Audio/DC Schematic
- ASTRO Spectra Plus Voltage Conversion Schematic
- ASTRO Spectra Plus Secure Interface Schematic
- ASTRO Spectra Plus VOCON Component Location Diagram, Top View
- ASTRO Spectra Plus VOCON Component Location Diagram, Bottom View
- HLN6837A ASTRO Spectra Plus VOCON Electrical Parts List
- 7.5 VCO Section
- HLD6061D and HLD6062D VHF VCO Hybrid Schematic
- HLD6061D and HLD6062D VHF VCO Hybrid Component Location Diagram
- HLD6061D and HLD6062D Parts List
- HLD4342B and HLD4343B VHF VCO Carrier Schematic Diagram
- HLD4342D and HLD4343D VHF VCO Carrier Schematic Diagram
- HLD4342B/HLD4343B VHF VCO Carrier Component Location Diagram
- HLD4342D/HLD4343D VHF VCO Carrier Component Location Diagram
- HLD4342B and HLD4343B VHF VCO Parts List
- HLD4342D and HLD4343D VHF VCO Parts List
- UHF VCO Ranges 1, 2, 3, and 4 Hybrid Schematic
- HLE6101A UHF VCO Range 1 Hybrid and HLE6102A Range 2 Hybrid Component Location Diagram
- HLE6101A UHF VCO Range 1 Hybrid and HLE6102A UHF VCO Range 2 Hybrid Parts List
- HLE6103B UHF VCO Range 3 Hybrid and HLE6104B Range 4 Hybrid Component Location Diagram
- HLE6103B UHF VCO Range 3 Hybrid and HLE6104B UHF VCO Range 4 Hybrid Parts List
- UHF VCO Ranges 1, 2, 3, and 4 Schematic Diagram
- HLE6045B Range 1 and HLE6046B Range 2 UHF VCO Component Location Diagram
- HLE6000D Range 3 and HLE6041D Range 4 UHF VCO Component Location Diagrams
- HLE6000D and HLE6041D UHF VCO Parts List
- HLF6080B 800 MHz VCO Schematic Diagram
- HLF6080B 800 MHz VCO Component Location Diagram
- HLF6080B 800 MHz VCO Parts List
- 7.6 RX Front-End Section
- HRD6001E/6002E/6011E/6012E VHF Receiver Front-End Schematic
- HRD6001E/6002E/6011E/6012E VHF Component Location Diagram
- HRD6001E VHF RXFE Parts List
- HRD6002E Parts List
- HRD6011E Parts List
- HRD6012E Parts List
- HRD6001G/6002G/6011G/6012G VHF Receiver Front-End Schematic
- HRD6001G/6002G/6011G/6012G VHF Receiver Front-End Component Location Diagram
- HRD6001G/HRD6002G/HRD6011G/HRD6012G VHF RXFE Parts List
- HRE6001B/6002C/6003B/6004B/6011B/6012B/6014B UHF Receiver Front-End Preamp and Standard Schematics
- HRE6001B/6002C/6003B/6004B/6011B/6012B/6014B UHF Receiver Front-End Hybrid Component Location Diagram
- HRE6011B UHF RXFE Pre-Amp Parts List
- HRE6012B UHF RXFE Pre-Amp Parts List
- HRE6014B UHF RXFE Pre-Amp Parts List
- HRE6001B and HRE6002C UHF RXFE Standard Parts List
- HRE6003B and HRE6004B UHF RXFE Standard Parts List
- HRF6004B/C 800 MHz Receiver Front-End Schematic Diagram
- HRF6004B/C 800 MHz Receiver Front-End Component Location Diagram
- HRF6004B/C 800 MHz RXFE Parts List
- 7.7 Power Amplifier Section
- HLD6022C VHF 50 Watt PA Schematic
- HLD6022C VHF 50-Watt PA Component Location Diagram, Side 1
- HLD6022C VHF 50-Watt PA Component Location Diagram, Side 2
- HLD6022C VHF 50-Watt PA Parts List
- HLD6064C VHF 100-Watt PA Schematic
- HLD6064C VHF 100-Watt PA Component Location Diagram, Side 1
- HLD6064C VHF 100-Watt PA Component Location Diagram, Side 2
- HLD6064C VHF R1 100-Watt PA Parts List
- HLD6032B/HLD6066B VHF 25-Watt PA Schematic
- HLD6032B/HLD6066B VHF 25-Watt PA Component Location Diagram, Side 1
- HLD6032B/HLD6066B VHF 25-Watt PA Component Location Diagram, Side 2
- HLD6032B VHF R2 25-Watt PA Parts List
- HLD6066B VHF R1 25-Watt PA Parts List
- HLE6062B and HLE6071B UHF 25-Watt PA Schematic
- HLE6062B UHF 25-Watt PA Component Location Diagram, Side 1
- HLE6062B UHF 25-Watt PA Component Location Diagram, Side 2
- HLE6062B VHF R2 25-Watt PA Parts List
- HLE6043C, HLE6044C, and HLE6049B UHF 40-Watt PA Schematic
- HLE6043C, HLE6044C, and HLE6049B UHF 40-Watt PA Component Location Diagram, Side 1
- HLE6043C, HLE6044C, and HLE6049B UHF 40-Watt PA Component Location Diagram, Side 2
- HLE6043C UHF R3 40-Watt Parts List
- HLE6044C UHF R4 40-Watt PA Parts List
- HLE6049B UHF R1 40-Watt PA Parts List
- HLE6039C, HLE6040C, and HLE6051C UHF 100-Watt PA Schematic
- HLE6039C, HLE6040C, and HLE6051C UHF 100-Watt PA Component Location Diagram, Side 1
- HLE6039C, HLE6040C, and HLE6051C UHF 100-Watt PA Component Location Diagram, Side 2
- HLE6039C UHF R3 100-Watt PA Parts List
- HLE6040C UHF R4 100-Watt PA Parts List
- HLE6051 UHF R1 100-Watt PA Parts List
- HLF6078B 800 MHz 15-Watt PA Schematic
- HLF6078B 800 MHz 15-Watt PA Component Location Diagram, Side 1
- HLF6078B 800 MHz 15-Watt PA Component Location Diagram, Side 2
- HLF6078C 800MHz 15-Watt PA Parts List
- HLF6077D 800 MHz 35-Watt PA Schematic
- HLF6077D 800 MHz 35-Watt PA Component Location Diagram, Side 1
- HLF6077D 800 MHz 35-Watt PA Component Location Diagram, Side 2
- HLF6077D 800MHz 35-Watt PA Parts List
- 7.4 ASTRO Spectra Plus VOCON Section
- Appendix A Secure Modules
- Appendix B Replacement Parts Ordering
- Glossary
- Back cover
- Chapter 7: Schematics, Component Location Diagrams, and Parts Lists: ASTRO Spectra Plus VOCON Section
- ASTRO Digital Spectra and Spectra Plus UHF/VHF/800 MHz Mobile Radios Detailed Service Manual

7-20 Schematics, Component Location Diagrams, and Parts Lists: Command Board Section
July 1, 2002 68P81076C25-C
Notes:
1. For optimum performance, order replacement diodes, transistors, and circuit
modules by Motorola part number only.
2. Part value notations:
p=10
-12
m=10
-3
n=10
-9
k=10
3
µ=10
-6
M=10
6
3. ITEM refers to the component reference designator. SIDE refers to the loca-
tion of the component on the board; S1=Side 1, S2=Side 2.
4. Command boards use a 6-layer printed circuit board.
JU534, 535 - - - - - - - - - Not Placed
JU536 0611077A01 0Ω
COIL, RF:
unless otherwise stated
L500 2480067M01 Bead
L506 2480067M01 Bead
L511 2413924A13 10µH
L528 2480067M01 Bead
PLUG:
P501 2805515W01 Connector
P502 0980103M02 Receptacle, Right Angle
P503 2880267M01 Header, Right Angle
TRANSISTOR: See Note 1.
Q400 4880141L01 PNP
Q401 4880048M01 NPN
Q402 4880141L01 PNP
Q403, 404 4880048M01 NPN
Q500 4813822D39 PNP
Q501 4880053M02 PNP
Q502 4880182D46 NPN
Q503 4880141L02 NPN
Q504 4805128M27 SOT89
Q506 4805128M27 SOT89
Q507 4880048M01 NPN
Q508, 509 4805128M12 SOT
Q510 4880048M01 NPN
Q511 4880141L01 NPN
Q512 - - - - - - - - - Not Placed
Q513 thru 515 4880048M01 NPN
Q516, 517 - - - - - - - - - Not Placed
Q520 4880048M01 NPN
Q521 4880182D46 NPN
Q538 4880048M01 NPN
Q540 thru 543 4880048M01 NPN
Q554 4880048M01 NPN
Q555 4805218N11 SOT
RESISTOR, Fixed: Ω≠5%
R400 0611077B03 15k
R401, 402 0611077B25 120k
R403, 404 0611077B15 47k
R405, 406 0611077A82 2.2k
R407 0611077A86 3.3k (HLN5558E and
HLN6529C)
or 0611077B15 47k (HLN5558F/G and
HLN6529D/E)
R408 0611077B15 47k (HLN5558F/G and
HLN6529D/E)
or 0611077B29 180k (HLN5558E and
HLN6529C)
R409, 410 0611077B11 33k
R411, 412 0611077B15 47k
R413 0611077B23 100k
R414 0611077A74 1k
R415 0611077A68 560
R416 0611077B15 47k
R417, 418 0611077A98 10k
R419 0611077B23 100k
R420 0611077B03 15k
R421 0611077B07 22k
ITEM
MOTOROLA
PART NUMBER
DESCRIPTION
R422 0611077B20 75k
R423 0611077A68 560
R424, 425 0611077A74 1k
R426, 427 0611077A98 10k
R428, 429 0611077A74 1k
R437 0611077B15 47k
R438, 439 0611077B03 15k
R440 0611077B23 100k
R441 0611077A90 4.7k (HLN5558F/G and
HLN6529D/E)
or 0611077B12 36k (HLN5558E and
HLN6529C)
R442 0611077A95 7.5k (HLN5558E and
HLN6529C)
or 0611077A98 10k (HLN5558F/G and
HLN6529D/E)
R443 0611077A95 7.5k (HLN5558F/G and
HLN6529D/E)
or 0611077B01 12k (HLN5558E and
HLN6529C)
R454 0611077B23 100k
R455 0611077A98 10k
R456 0611077B11 33k
R457, 458 0611077A10 2.2
R459 - - - - - - - - - Not Placed
R500 0611077A46 68
R501 0611077A58 220
R502 0611077A10 2.2
R503 0611077A98 10k
R504 0611077A74 1k
R505, 506 0611077A58 220
R507 0611077B15 47k
R508, 509 0611077B19 68k
R510 0611077A98 10k
R511 0611077A74 1k
R512 0611077A58 220
R513 0611077A50 100
R514 0611077A68 560
R515 0611077A74 1k
R516 0611077B23 100k
R517 0611077A10 2.2
R518 0611077A74 1k
R519 0611077B15 47k
R520 0611077A74 1k (HLN5558G and HLN6529E)
or 0611077A98 10k (HLN5558E/F and
HLN6529C/D)
R521 0611077A74 1k
R522 0611077A78 1.5k
R523 0611077A82 2.2k
R524 0611077A98 10k
R525 0611077A50 100
R526 0611077B07 22k
R527 thru 531 0611077B15 47k
R532, 533 0611077A62 330
R534 - - - - - - - - - Not Placed
R535 0611077A98 10k
R536 - - - - - - - - - Not Placed
R537 0611077A82 2.2k
R543 0611077A74 1k
R544 0611077A98 10k
R545 0611077A74 1k
R546, 547 0611077A98 10k
ITEM
MOTOROLA
PART NUMBER
DESCRIPTION
R550, 551 0611077A98 10k
R552 0611077B15 47k
R553 0611077A90 4.7k
R554 0611077A80 1.8k
R555 0611077A98 10k
R557 0611077A98 10k
R560 0611077A74 1k
R561 0611077B29 180k (Not placed on
HLN6529C/D/E)
R562 0611077A50 100
R565 0611077A50 100
R571 thru 573 0611077A74 1k
R575, 576 0611077A50 100
R577 0611077A98 10k
R578, 579 0611077A74 1k
R584, 585 0611077A50 100
R590 0611077A01 0
R591 0611077A74 1k
R592 0611077A90 4.7k
R745 0611077A98 10k
INTEGRATED CIRCUIT
MODULE: See Note 1.
U401, 402 5183222M49 Differential Amp
U450 5180065C19 Audio Amplifier
U500 5180057S01 Regulator/Power Control
U501 5113815G02 555 Timer
U502 5180057S02 D/A Converter
U503 5180056M02 Voltage Regulator
U522 5180057S04 Serial I/O
U523 5113806A20 MUX/DEMUX, Triple 2-Ch
U524 5182400T11 Analog Switch, Quad
U525 5113806A20 MUX/DEMUX, Triple 2-Ch
U526 5113811A11 RS232-C Driver
U530 5105492X76 8-Bit Shift Register
DIODE: See Note 1.
VR400 4813830A28 Zener; 15V
VR401 4813830A24 Zener; 11V
VR402 4813830A28 Zener 15V
VR403 4813830A22 Zener; 9.1V (HLN5558E/F and
HLN6529C/D)
or 4813830A26 Zener; 13V (HLN5558G and
HLN6529E)
VR404 thru 406 4813830A28 Zener 15V
VR407 4805129M27
MISCELLANEOUS:
8405885V05 Command Board
ITEM
MOTOROLA
PART NUMBER
DESCRIPTION
LAYER 1 (L1)
LAYER 2 (L2)
LAYER 3 (L3)
LAYER 4 (L4)
INNER LAYERS
LAYER 5 (L5)
LAYER 6 (L6)
MAEPF-18827-A
SIDE 1
SIDE 2
6-LAYER CIRCUIT BOARD DETAIL VIEWING
COPPER STEPS IN PROPER LAYER SEQUENCE