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--- ham_radio:samlex_1223_power_supplies [2020/10/12 17:39] – [Resistors] jon
+++ ham_radio:samlex_1223_power_supplies [2021/03/10 14:44] (current) – [Other small issues to consider] localadmin
@@ Line 1: / Line 1: @@
-====== Samlex 1223 (& 21/25) Power Supplies ======
+====== Samlex 1223 (& 21/35) Power Supplies ======
 ===== Overview =====
+The Samlex 1221/1223/1235 series power supplies are billed as a good quality, low RF switching power supply. Low RFI, and switching power supply typically don't go hand in hand. These power supplies are lightweight, and are rated for 13.8v (you can adjust that if needed).
 ==== Variations ====
+These power supplies have also gone under these models from ham radio manufacturers:
   * Yaesu FP-1023
   * Kenwood KPS-15
-===== Resources =====
 ===== Common Failures & Repairs =====
@@ Line 27: / Line 28: @@
 === R6, R9 ===
 Along with the toasted Mosfets, typically these two resistors will probably go in conjunction.
 ==== Other small issues to consider ====
+=== Fuses ===
+You'll want to buy spare 6.3A "Slo-blow" fuses, especially if you are repairing one of these power supplies. These are your insurance policy so if you screw something up, hopefully the fuse protects it.
+=== Other spare components to think about ===
+[[https://www.ebay.com/itm/Repair-parts-kit-for-SAMLEX-SEC-1223-Kenwood-KPS-15-DC-power-supply-NEW/142415928057|Here is a spare parts kit]] that comes with more components that are likely to fail at some point, depending on your situation. I've replicated this parts list on Mouser, and the price with shipping barely competes with the eBay listing
 ===== RFI and how to fix it =====