@ tnoTor'or,A Spectra Model A3
Mobile Products Division Handheld Control Head
FM Two-Way Radio
Manual Supplement
1. Attachments
Functional Block Diagrams for A3 Model Radio (VHF & UHF) . . . . PW-6193
Power-Up Self{heck Display for ,A'3 Model Radio . . . . Table 7
Exploded Views and Parts Lists for ,A3 Model Radio
HandheldControlHeadandRemoteMountRadio . ..... PW-6184
Exploded Views and Parts Lists for A'3 Model Radio VHF and UHF Radios . PW-6185
Wiring Diagram for A'3 Model Radio Hom-LightsAlang-up Box . . . PW-6189
Wiring Diagram for A3 Model Radio Remote Mount Control Cable
and Accessory Connector Pin-Out . PW-6128
Schematic, Circuit Board Diagrams, and Parts Lists for
HLN6089A HHCH and HLN6097 A SECURENET HHCH
InterfaceCircuitBoard . ... PW-6176
Schematic, Circuit Board Diagrams, and Parts List for
HcN4O39AHandheldControlHeadCircuitBoard . ..... PW-6129
2. General Information
This supplement provides information for the Spectra
Handheld Control Head Radio (Model A3). Primarily, this
manual covers the Handheld Control Head unit and its radio
Interface Board, and it also includes a new Command Board
and new Exploded Views of the A3 Radio. For other radio
information, refer to the appropriate Service Manual and
Detailed Service Information.
3. Other Publications
68P80101W35-A Spectra VHF Service Manual
68P80101W3rc Spectra UHF Service Manual
68P80101W33-B SpectraDetailedServicelnformation
4. \on-Applicable Sen'ice Manual Details
krl-ormarion in the Service Manuals listed above is valid
t'or ttrc Handheld Control Head (HHCH) radio in al1 areas
ercept fte tbllo*ing portions of the manuals which do not
appl-r to FTHCH radios:
r Front Panel Programming (Chapter 2).
r Control Head Troubleshooting (Paragraph 4.2,4.2.1,
-1.1-lr.
o Control Head Testing (Paragraph 4.l0).
r Control Station Operation (Chapter 5).
. Exploded Views.
5. Additionat HHCH Service Manual Details
The following information supercedes similar docu-
ments/paragraphs presently in the Service Manual.
5.1 MODELCHART
The Model Chart for the Handheld Control Head is the
same as the chart in the Service Manual except:
(1) HHCH radio does NOT have:
CONTROLHEAD PC BOARD
CONTROL HEAD INTERCONNECT BOARD
CONTROL HEAD HARDWARE KIT
CONTROL HEAD BUTTON KITS
MICROPHONE
(2) HHCHradio ADDS:
HCN1O53A HANDHELD CONTROL HEAD KIT
HLN61O3A HANG_UP BOX KIT
HLN6O9OA HHCH HARDWARE KIT
HLN6O89A INTERFACE BOARD KIT
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AX Rifts Rsed
Prinled in U.SA
technical publicotion ietvicet 68P80102W48-A
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