RF
Limited / Magnum Tech Notes
Documentation Project
| Description |
Models
|
Ser
#
|
Date
|
| ERF2030 Replacement instructions. |
S-3,
S-380, S-6, S-680, S-9 and S-980
|
N/A
|
Not
Dated
|
| Front End Overload from very strong "ON" Frequency signals (Blocking Dynamic Range) |
S-9
|
979
392 thru 988 080
|
Nov.
2006
|
| Audio feedback Via the AMT when on SSB and the AMT is turned down fully. |
S9
50W Version
|
N/A
|
Sep.
2007
|
| Modification in wire connection when using PCBA-0335R6 to replace PCBA-0335R3. |
S-980
|
N/A
|
Not
Dated
|
| S980 Bias Setup Procedure |
S-980
|
N/A
|
Feb.
2007
|
| 40 watt FM/AM Mod. |
S-980
|
N/A
|
Dec.
2004
|
| Use of PLL 145162 In Place Of 8805 |
S9
50W Version
|
N/A
|
Not
Dated
|
| Reduce noise (motor boating) |
S6's
and S9’s that have the new TDA2003 audio power amplifier.
|
S6-50
S019101
S6-80 S019307 S6-50-NX S015940 S9-50 S003896 |
Jan.
2008
|
Disclaimer: Although the greatest care has been taken while compiling these documents,
we cannot guarantee that the instructions will work on every radio presented.