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--- ts450s [2024/01/08 04:11] – [Issues] admin
+++ ts450s [2025/02/16 01:27] (current) – admin
@@ Line 1: / Line 1: @@
 ===== Kenwood TS-450S =====
-  * Got on 2023-12-31
+Serial 40800518 - lots of late '91 date codes on parts
-  * "Has issues"
-  * Photos: https://photos.millerjs.org/?f=Kenwood+TS-450S
+==== Photos ====
-  * Serial 40800518 - lots of late '91 date codes on parts
+{{gallery>:ts450s_photos}}
-  * Has ATU, don't know if it's original, tuner jumper in place and clipped, not sure if that is done in factories.
-  * Overall good cond., some rust on the lid, boards are clean
 ==== Issues ====
@@ Line 19: / Line 17: @@
 Some info here: https://www.qsl.net/wb4kdi/Kenwood/TS-450S/TS-450_HELP.html
-May be broken or improperly adjusted TC-1 causing the loss of heterodyne xo VCO2, 64.22MHz. TC-1 is P/N C05-0356-05, 20pF.
+May be broken or improperly adjusted TC-1 causing the loss of heterodyne xo VCO2 (board X58-3390), 64.22MHz. TC-1 is P/N C05-0331-05, 25pF.
+{{:ts450s:x58-3390-parts.png?400 |}}
 === Audio Distortion ===
@@ Line 45: / Line 45: @@
   * https://www.digikey.com/en/products/detail/mitsubishi-materials-u-s-a-corporation/DSA-301LA-05-UL/11306216
   * https://www.mmc.co.jp/adv/dev/english/pdf/Division_PDF/dsa.pdf
+=== VCO2 ===
+  * 2024-01-10 - Checked TP3 on PLL board. Measuring 3.959v on startup. Should be 5v.
+==== Potential Upgrades ====
+  * FPGA-based carrier board: http://www.iw3aut.altervista.org/wordpress/?page_id=1864
+  * SO-2NG TCXO: http://www.iw3aut.altervista.org/wordpress/?page_id=1567
+  * ebay drop ins:
+    * https://www.ebay.com/itm/333679994405
+    * https://www.ebay.com/itm/174263546977

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