Heathkit Service Bulletins - HD-1424 (Complete)

[Joseph W Lutz]

                        February 6, 1987
HD-1424                                         Bulletin No:
Active Antenna                                  HD-1424-1

                         Identifying 1 uH Choke at L107

The 1 uH choke [PN 45-606] at L107 may be marked with color bodes
BRN-GOLD-BLK or BRN-BLK-GLD.
--------------------------------------------------------------------------------------------------------------------
                        July 31, 1987
HD-1424                                         Bulletin No:
Active Antenna                                  HD-1424-2

                                      Cabinet Color Change

The commincations products are changing from a brown to a black/gray
color scheme.  Below is a listing of the part numbers for the different
color cabinet parts.

Description     Brown Cabinets          Black/Gray Cabinets
----------------        ----------------------          ----------------------------

Cabinet         PN 90-1357-1            PN 90-1357-2
Front Panel     PN 90-1506-1            PN 90-1506-2
Knob            PN 462-1152             PN 462-1279

Heath Parts Replacement is stocking both color parts.
------------------------------------------------------------------------------------------------------------------
                        August 26, 1988
HD-1424/A                                       Bulletin No:
Active Antenna                                  HD-1424-3

               Black/Gray Chassis Screened with Incorrect Model Number

The HD-1424A Active Antenna has a chassis that's black and gray.  The "A"
version model number is screened on the new chassis.  Change:

        From PN 20-1506-2 chassis to a PN 200-1506-3 chassis.

The -2 chassis was black and gray, but it wasn't screened with the "A"
version model number.

Below is a listing of the part numbers for the brown cabinet [HD-1424]
and the black/gray cabinet [HD-1424A].

                HD-1424                 HD-1424A
Description     Brown Cabinets          Black/Gray Cabinets
----------------        ----------------------          ----------------------------

Cabinet         PN 90-1357-1            PN 90-1357-2
Front Panel     PN 90-1506-1            PN 90-1506-3
Knob            PN 462-1152             PN 462-1279

This bulletin supercedes HD-1424-2.
-------------------------------------------------------------------------------------------------------------------
Thats everything I hold up to 1989 that covers the HD-1424.  Enjoy!
-------------------------------------------------------------------------------------------------------------------


73 de Joe  W7LPF/4  [NNN0KUU]
QWCA - SOWP - NCVA - FISTS - RCC
Gordonsville, Va 22942 [Orange Co]


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