Instead of being part of an .html web page, some items below are just links to drawings or photographs (i.e. image files) all by themselves. These isolated image files have been marked with a yellow highlight.

	DETAILED TABLE OF CONTENTS
		- INTRODUCTION
		- RADIO MODEL NOTES
		- LOCATING THE RADIO MODEL
		- RADIO MODEL QUICK LOOKUP
		- MOTOROLA ON-LINE RETAIL PRICE DATABASE
		- CONVENTIONAL SYNTOR (limited information)
			- Introduction
			- Locating Radio Model Numbers
			- Locating Radio Unified Chassis Numbers
			- VHF Model Information
			- VHF Railroad Model information
			- UHF Model information
			- PAC-PL and PAC-RT Vehicle Repeater Model Numbers
			- Service Manuals
			- Programming
			- Audio Routing
				- Tx Audio Routing
			- Audio Muting Interface
			- Repeater Conversions
			- Frequency Agility
			- EPROM Conversion
				- Conversion Page
			- Syntor Accessories
			- Standard Syntor Cable
			- Additional Information
		- CONVENTIONAL SYNTOR X
			- INTRODUCTION
			- NEW RADIO INSPECTION
			- SYNTOR X 9000 CONVERSIONS
			- MODELS
				- Locating Radio Model Numbers
				- Locating Radio Unified Chassis Numbers
					- Unified Chassis Number Tag Photo
					- Unified Chassis Number Ink Stamp Photo
				- Decoding Radio Model and Unified Chassis Numbers
					- Low Band
					- VHF
					- UHF
					- 800 MHz
				- PAC-PL and PAC-RT Vehicle Repeater Model Numbers
				- Notes
			- MANUALS
				- Introduction
				- Radio Service Manuals
				- System 90*s Service Manuals
				- Accessory Service Manuals
				- Hand Held Control Head Service Manuals
				- Test Equipment Manuals
				- VHF Syntor X Service Manual Versions
			- PROGRAMMING
				- Factory Style Programming
				- The "Code Plug" Mode Revealed
					- Syntor X Code Plug
				- Orange Label EEPROM Modules
				- EEPROM Programmers
				- White Label PROM Modules
				- Real World Style Programming
				- Receive Only Programming
				- Talkaround Programming
				- HHCH Notes
				- Code Plug Memory Map
			- CABLES
				- Cable Part Numbers
				- J1 Radio Cable Connector
				- Radio Trouble Shooting Tip
				- 22 Pin and 6 Pin Control Head Connectors
				- Control Head Hookup Examples
					- Clamshell Standard Hookup Diagram UNDER CONSTRUCTION
					- System 90*s Standard Hookup Diagram
				- Cable Wiring Examples
					- Clamshell 32/16/8 Mode Basic Wiring Example
					- Clamshell 32/16 Mode + Scan Head Wiring Example
					- System 90*s 32/16/8 Mode Basic Wiring Example
					- System 90*s 8 Mode Scan Wiring Example
					- System 90*s 32/16 Mode Scan Wiring Example
					- System 90*s 32/16 Mode Scan + MPL Head Wiring Example
					- System 90*s 32/16/8 Mode + Scan Head Wiring Example
				- Special Cable Models
			- CONTROL HEADS & ACCESSORIES
				- Control Head Configuration
				- Clamshell Mode Select Control Heads
					- 1 to 16 Modes Photo
					- 32 Mode Photo
					- 16 Mode Talkaround Photo
				- System 90*s Housings
					- HHN4008A Rear Photo
					- HHN4009A Rear Photo
					- HHN4010A Rear Photo
				- System 90*s Mode Select Control Heads
					- 1 Mode / 8 Mode Bank Select Photo
					- 16 Mode Bank Select Photo
					- 32 Mode Bank Select Photo
					- 2 Mode Select Photo
					- 8 / 16 / 32 Mode Select Photo
					- 8 / 16 / 32 Mode Select + Scan Photo
				- System 90*s Operator Select Non-Priority Scan Modules
					- 8 Mode Operator Select Non-Priority Scan Photo
				- System 90*s Operator Select Multiple PL/DPL Modules (MPL)
					- 8 Code Operator Select MPL Photo
				- System 90*s and System 90 Optional Equipment
					- HLN4026A Touch Code Decoder Photo
					- Touch Code Decoder Circuit Board Photo
					- HLN1077A MDC-600 Selective Call Decoder Photo
					- MDC-600 Selective Call Decoder Circuit Board Photo
				- HHCH Control Headand Accessories
				- PAC-RT and PAC-PL Vehicle Repeater
				- Syntor X Accessories
				- Internal Options for the Syntor X
				- Special Syntor X Parts
				- Control Head Diodes
			- MODE SELECT CONTROL HEAD MODIFICATIONS
				- Tips and Techniques
				- Syntor Clamshell Control Head Conversion to Syntor X
				- 16 Mode to 32 Mode Clamshell Control Head Conversion
					- 32 Mode Conversion Switch Photo
					- 32 Mode Conversion Switch Closeup Photo
				- Other Clamshell Control Head Conversions
				- System 90*s Alternate Control Head 32 Mode Conversions
				- System 90*s 32 Mode Jumpering
				- Scan Enable Switch
					- Clamshell Scan Switch Photo
				- Parts Sources
			- CONTROL HEAD INTERFACE
				- Syntor X Radio - Control Head Communication Scheme
				- Mode Select
				- Display Function
				- Operator Select Non-Priority Scan Boards
					- 8 Mode Operator Select Non-Priority Scan Photo
				- Operator Select Multiple PL/DPL (MPL) Boards
					- 8 Code Operator Select MPL Photo
			- SCANNING
				- Scan Introduction
				- Scan Programming Template Sample
				- Priority and Non-Priority Modes Scan Program Example
				- Priority Mode Scan Programming Example
				- Scan Programming Notes
			- PL/DPL UNDER CONSTRUCTION
				- PL - CTCSS Introduction
				- DPL - DCS Introduction
				- PL/DPL Usage
				- PL/DPL Reverse Burst
				- Operator Select Multiple PL/DPL (MPL)
				- PL/DPL Programming Notes
			- TRANSMITTER TIME OUT TIMER
				- Transmitter Time Introduction
				- Transmitter Time out Timer Programming Notes
			- EXTENDED FREQUENCY MODIFICATIONS
				- Basic Assumptions
				- Basic Receiver Mixer Operation
				- Basic PLL synthesizer Operation
				- Syntor X VCO Operation
				- Syntor X Bandwidth
				- VCO Frequency Adjustment Theory
				- Actual VCO Frequency Adjustments
				- VCO Lock Test
				- Beyond the Basic Assumptions
				- Wrap Up
			- PACKET HOOKUP UNDER CONSTRUCTION
				- Introduction
				- "VBJ" and "VXJ" Radio Model Differences
				- Tx Modulation Controls
				- Trouble Shooting Signal Location Table
				- Packet Modifications
				- Improved Receiver Squelch Recovery Modification
			- PERSONALITY BOARD
				- Personality Boards Information
					- Cable Connector Pin Locator
					- HLN4270A DVP Interface Board and Tx Audio Routing
					- HLN4270B DVP Interface Board and Tx Audio Routing
					- HLN4425A DVP Interface Board and Tx Audio Routing
					- HLN5008A DVP Interface Board and Tx Audio Routing
				- J401 Common Circuits Board Connector
				- J103 Optional HLN5008A Interface Board Connector
				- Microprocessor Part Numbers
				- Motorola Manual Errata
			- RADIO JUMPER SETTINGS
				- Types of Jumpers
				- Personality Boards Jumper Settings and Locators
					- HLN4915A / HLN4760A Jumper Locater
					- HLN4760B Jumper Locater
					- HLN4760C Jumper Locater
					- HLN4257A Jumper Locater
					- TRN8861A Jumper Locater
				- Common Circuits Boards Jumper Settings and Locators
					- HLN4817 Low Band Jumper Locater
					- HLN4838 / HLN5106 VHF Jumper Locater
					- HLN4797 / HLN5148 UHF Jumper Locater
					- TRN8862 800 MHz Jumper Locater
					- HLN4817 Low Band Control Locater
					- HLN4838 / HLN5106 VHF Control Locater
					- HLN4240 VHF Control Locater
					- HLN4797 / HLN5148 UHF Control Locater
					- TRN8862 Control Locator
				- Hand Held Control Head Control Board Jumper Settings and Locators
					- HLN4728 Jumper Locator
				- HLN4270A and HLN4270B DVP Interface Board jumper settings
				- HLN4425A DVP Interface Board jumper settings
				- HLN5008A DVP Interface Board jumper settings
			- 64 MODE SYNTOR X
				- 64 Mode Explanation
				- 64 Mode Programming
				- 64 Mode Control Head Conversion
				- 64 Mode Notes
			- CANADIAN SYNTOR X
				- Introduction
				- Basic Information
					- HLN4240A Common Circuits Board Controls
				- Custom Changes
					- HLN4257A Missing Component Locator
				- PA Power Adjustments
				- Future Projects
				- Contact for Problems
			- SYNTOR X VISUAL TOUR
				- Bottom View
				- Unified Chassis Number (tag and ink stamp)
				- VHF Receiver Standard Filter & Optional Preamplifiers
				- VCO
		- CONVENTIONAL SYNTOR X 9000 and X 9000E
			- INTRODUCTION
			- NEW RADIO INSPECTION
			- NEW RADIO MODIFICATIONS
			- SQUELCH THRESHOLD ADJUSTMENT
			- FAIL and ERROR CODE PREFIXES
			- SYSTEMS 9000
				- Systems 9000 Introduction
				- Systems 9000 Control Head Configurations
				- Systems 9000 Rear Control Head Configurations
				- Systems 9000 Securenet Physical Security Housing Configurations
				- Systems 9000 Housings Configurations
				- Systems 9000 SIU Dual Radio Configurations
				- Systems 9000 Control Head Dual Radio Configurations
			- PROGRAMMING
				- Programming Introduction
					- Programming Cable Conversion Side Photo
					- Programming Cable Conversion Front Photo
					- Programming Cable Conversion Top Photo
				- Essential Programming Chips
				- Programming FAQ
					- Programming Computer Speed
					- Attaching and Using a Factory Programming Cable
					- Backing Up Your Code Plug
					- Starting a New Code Plug
					- RSS Frequency Ranges
					- Scan Enable
					- Scan List
					- Scan Squelch
					- Talkback Scan
					- Scan Off HUB
					- Extender
					- DTMF
					- MDC-1200
					- Siren/PA
					- Vehicle Repeater System (VRS)
					- External Options Housing
					- Dual Radios
					- Notes
				- Programming Problems
			- SYNTOR X 9000 CONVERSIONS
				- Syntor X to Syntor X 9000 Comparison and Conversions
					- A Quick and Dirty Syntor X to Syntor X 9000 Conversion
					- The real Syntor X to Syntor X 9000 Conversion
					- Low Band Radio Conversions
				- Syntor X 9000 Extended Frequency Modifications
				- 32 to 64 Mode Conversions
				- 64 to 128 Mode Conversions
				- 128 to 255 Mode Conversions
					- Notes on Selecting Memory Chips
				- Syntor X 9000E to Syntor X 9000 Conversion
				- Converting Non-Securenet "KEJ" Models and Securenet "KXJ Radio Drawers
			- MODELS
				- Locating Radio Model Numbers
				- Locating Radio Unified Chassis Numbers
					- Unified Chassis Number Tag Photo
				- Decoding Radio Model and Unified Chassis Numbers
					- Low Band
					- VHF
					- UHF
					- UHF X 9000E
					- 800 MHz
					- 800 MHz X 9000E
				- PAC-PL and PAC-RT Vehicle Repeater Model Numbers
				- Vehicle Repeater System (VRS) Model Numbers
				- Notes
			- MANUALS
				- Introduction
				- Conventional Radio Service Manuals
				- Dual Operation X 9000E Radio Service Manuals
				- Systems 9000 and Accessories Service Manuals
				- Syntor X 9000 RSS Manuals
				- Systems 9000 Control Head Service Documentation Locator List
				- Motorola Manual Errata
			- CONTROL HEADS
				- Systems 9000 Control Heads
					- HCN1032 Parts Layout
					- Programming Troubleshooting Steps
				- Using Spectra RSS to Reset a Control Head
				- HCN1047 Trunking to Conventional Control Head Conversion
				- Conventional Syntor X 9000 Control Heads
				- Additional Control Head Information
				- Systems 9000 Control Head Information and Cross Reference
				- Looking for Control Head Information
				- Spectra Control Head Information
				- Control Head Keys
				- Basic Control Head Troubleshooting
				- Fail 01/90
			- DEKS
				- Introduction
				- Basic DEK Theory
				- Multiple DEKs
				- DEKs and the Control Head
				- DEK Notes
			- CABLES
				- Radio Trouble Shooting Tip
				- Syntor X 9000 Radio Cable Pin Out
				- Systems 9000 Control Head to Radio Pin Out
				- Systems 9000 Control Head to Microphone Pin Out
				- Systems 9000 Control Head to Vehicle Interface Port (VIP) Pin Out
				- Systems 9000 Direct Entry Keyboard (DEK) Cable Pin Out
				- Systems 9000 Direct Entry Keyboard (DEK) VIP II Pin Out
				- Syntor X 9000 Radio Securenet Physical Security Housing Cable Pin Out
				- Systems 9000 Control Head Securenet Physical Security Housing Cable Pin Outs
				- Syntor X 9000 HKN4246A / HKN4304A Siren/VRS T-Cable Pin Outs
				- Syntor X 9000 HKN4295A External Options Housing/VRS T-Cable Pin Out
				- Syntor X 9000 YKN4214A Dual Radio T-Cable Pin Out
			- BOARDS
				- Personality Boards
					- Cable Connector Pin Locator
					- Bottom Side Locater
					- Receive and Transmit Audio Routing
				- Personality Board Jumpers
					- Jumper Locator for the HLN4925A
					- Jumper Locator for the Top of the HLN5299A
					- Jumper Locator for the Bottom of the HLN5299A
					- Jumper Locator for the Top of the HLN5299B
					- Jumper Locator for the Bottom of the HLN5299B
				- Personality Board J301 Internal Option Board(s) Socket
				- Common Circuits Boards
				- Control Head Circuit Board Pin Out
				- Control Head Jumpers (early version)
					- Jumper Locator for the Bottom of the Control Boards
					- Parts Locator for the Top of the Control Boards
				- Control Head Jumpers (later and latest version)
					- Jumper Locator for the Bottom of the Control Boards
					- Jumper Locator for the Bottom of the New HLN6284C Control Board
					- Jumper Locator for the Bottom of the Display Boards
					- Parts Locator for the Top of the Control Boards
				- DEK Circuit Board Pin Out
			- PARTS
				- Radio Parts
				- Radio Cable Parts
				- Radio T-connector Parts
				- Control Head Parts
				- Speaker Parts
				- Microphone Parts
				- Direct Entry Keyboard (DEK) Parts
				- Auxiliary Switch Panel Parts
				- Vehicle Repeater System (VRS) Parts
			- OPTIONS and ACCESSORIES
				- Control Heads
				- Radio Cables
				- Securenet Physical Security Housing
				- Systems 9000 Housings and Cables
				- Systems 9000 - Dual Radios
				- System Interface Unit (SIU) - Dual Radios
				- Internal Option Boards
				- Internal Options
				- Accessories
				- Option Codes
			- SYNTOR X 9000 VISUAL TOUR
				- Bottom View
				- Unified Chassis Number
				- VHF Receiver Standard Filter & Optional Preamplifiers
				- VCO
		- TRUNKING SYNTOR X and SYNTOR X 9000 (limited information)
			- Introduction
			- Syntor X Trunking Radio Service Manuals
			- Syntor X Trunking Model and Unified Chassis Numbers
			- Syntor X 9000 Trunking Radio Service Manuals
			- Syntor X 9000 Trunking Model and Unified Chassis Numbers
				- HCN1032 Control Head
				- HCN1032 Parts Layout
			- SPECTRA
				- INTRODUCTION
				- SINGLE RADIO DRAWER MOBILE CONFIGURATIONS
				- CONTROL HEAD CONSTRUCTION COMBINATION EXAMPLE
					- Control Head Drawings
				- ORIGINAL STYLE REMOTE MOUNT CONFIGURATIONS
				- SYSTEMS 9000 REMOTE MOUNT CONFIGURATIONS
				- SYSTEMS 9000 PHYSICAL SECURITY CONFIGURATIONS
				- SYSTEMS 9000 HOUSINGS CONFIGURATIONS
				- HHCH NOTES
				- PROGRAMMING TIPS
				- VHF MODEL NOTE
				- SYSTEMS 9000
				- MODELS
					- Spectra Model Chart
					- Spectra Frequency Range Information
					- Spectra VRS
					- Astro Spectra VRS
					- Spectra Options Chart
				- MANUALS
					- Basic and Detailed Service Manuals
					- Early and Later Version Manuals
					- Spectra Manuals
					- Spectra RSS Manuals
					- Unidentified Spectra Manuals
					- Astro Spectra Manuals
				- CABLES
					- Original Style Radio Cable Pin Out
					- Motorcycle Radio Cable Pin Out
					- HHCH Radio Cable Pin Out
					- Accessory Cable Pin Out
					- Motorcycle Accessory Cable Pin Out
					- Systems 9000 Radio Cable Pin Out
					- Systems 9000 Control Head to Microphone Pin Out
					- Systems 9000 Control Head to VIP Pin Out
					- Sytems 9000 Direct Entry Keyboard (DEK) Cable Pin Out
					- Systems 9000 Direct Entry Keyboard (DEK) VIP II Pin Out
					- Spectra Radio to Securenet Physical Security Housing Cable Pin Out
					- Original Style Control Head to Physical Security Housing Cable Pin Out
					- Systems 9000 Control Head to Physical Security Housing Cable Pin Outs
					- Spectra HKN4363 Siren/VRS Cable Pin Outs
					- Spectra HKN6038 VRS Cable Pin Out
					- Syntor X 9000 HKN4304A Siren/PA T-Cable Pin Outs
				- BOARDS
					- Very Early Control Head P103 Connectors
					- Early Control Head P103 Connectors
					- Later Control Head P103 Connectors
					- Control Head P104 Connectors
				- DEKs
					- Introduction
					- Basic DEK Theory
					- Multiple DEKs
					- DEKs and the A9, B9, C9 or E9
					- DEKs and the Other Heads
					- DEK Notes
				- PARTS and ACCESSORIES
					- Spectra Radio Circuit Boards
					- Control Heads
					- Control Head Remote Mount Interface Boards
					- Radio Interconnect Boards
					- Remote Mount Plastic
					- Remote Mount Kits
					- Radio Cables
					- Systems 9000 Housings and Cables
					- Direct Entry Keyboards and Cable
					- Securenet Physical Security Housing
					- Internal Securenet
					- Internal Options
					- Accessories
					- Spectra Service Accessories
					- Radio Installation
					- Control Head A4 Parts
					- Control Head A2 and A5 Parts
					- Control Head A7 Parts
					- Control Head A2, A5 and A7 Parts
					- Control Head A4, A5 and A7 Parts
					- Control Head A4, A5, A7 and A9 Parts
					- Control Head A9 Parts
					- DEK Parts
					- Speaker Parts
			- PL / CTCSS INFORMATION
				- PL / CTCSS Introduction
				- PL / CTCSS Usage
				- PL / CTCSS Reverse Burst
				- Standard PL / CTCSS Tones
			- DPL / DCS INFORMATION<
				- DPL / DCS Introduction
					- Motorola Compensation Alignment
				- DCS Standard Codes Listing
				- DCS Extended and Unusable Codes Listing
				- Additional DCS Information
			- PAC-PL and PAC-RT VEHICLE REPEATERS
				- PAC Introduction
				- PAC-PL Models
				- PAC-RT Models
				- PAC Manuals
				- PAC-PL Vehicle Repeater
				- PAC-RT Vehicle Repeater
				- PAC Cables
				- PAC Cable Wiring Pin Outs
				- PAC Cable Connector Parts List
			- Hand Held Control Head (HHCH)
				- Types of HHCH
				- System Interface Units
				- HHCH Manuals
				- HHCH SIU Configurations
			- PROM PROGRAMMERS
				- PROM Programmer Introduction
				- Common Chip List
				- Programmer Manufacturer Links
			- RADIO WIRING
				- Introduction
				- Universal Guidelines
				- Syntor and Syntor X control head power wiring
				- Remote Mount Syntor X 9000 and Systems 9000 Spectra Control Head Wiring
				- Remote Mount Original Cable Spectra Control Head Wiring
				- Remote Mount Motorcycle Spectra Control Head Wiring
				- Dash Mount Spectra Control Head Wiring
				- New Power Wiring Products
			- GLOSSARY
			- WEB LINKS
				- Web Links
				- Netnews Links
				- Other Interesting Web Links
				- My Favorite Non-Profit
			- SURPLUS PARTS GUIDE
				- Systems 9000 DEK
				- Systems 9000 Siren/PA, DEK, Controls and Cables
				- Systems 9000 VRS
				- RAC-RT & PAC-PL
				- Cables
				- Plastic Housing Speakers
				- Desk Microphones
				- Palm Microphones
				- Noise Canceling Palm Microphones
				- DTMF Palm Microphones
				- Backlit DTMF Palm Microphones
				- Backlit DTMF Palm Microphones w/ Auto-Dial
				- Hang-Up Boxes
				- Handsets
				- Handset Hang-up Cradles
				- Headsets
				- Miscellaneous
			- ITEMS FOR SALE
				- Sale List
				- Where to Locate Parts
				- What to Look For
				- Looking Up Motorola Parts On-Line
			- WEB SITE REVISIONS
				- Most Recent Changes
			- CONTACT
				- E-mail Contact

--

PL, Private Line, DPL, Digital Private Line, MPL, Talkaround, MDC-600, MDC-1200, MVS-20, Securenet, Smartnet, Privacy Plus, Trunked X2, Trunked X3, Touch Code, Quick Call II, Channel Scan, Talkback Scan, System 90, System 90*s, Systems 9000, Mitrek, Micor, Spectra, MataTrac, Syntor, Syntor X, Syntor X 9000 and Syntor X 9000E are trademarks of Motorola Inc.