[Boatanchors] [Kenwood] Kenwood TS-530SP

[manualman at juno.com]

Look at items 6 and 9! Wouldn't you question this??

Pete, wa2cwa


On Mon, 16 Sep 2024 00:23:31 +0000 howard holden <holden7471 at msn.com>
writes:
> I became the owner of a Kenwood TS-530SP transceiver on Saturday, 
> supposedly working. The 
> Receive seems to work OK. 
> 
> Observations below, I have not removed any circuit boards or 
> attempted to measure any resistances, screen voltages, etc. Before I 
> really get into this, any help would be appreciated.
> 
> 1.        There is no RF output indicated following tuneup 
> procedures in the manual. 
> 
> 2.        ALC is not working on 1.8, 18, and 24 Mhz. All other bands 
> the ALC is OK, and is controllable with the carrier control and 
> tunable with the Drive control.
> 
> 3.        Receive drops on activating the Send switch.
> 
> 4.        Send appears OK, and side tone is audible., even with the 
> Send switch up. 
> 
> 5.        There is no plate current, no drop in plate voltage with 
> keying. 
> 
> 6.        HV measures 880V.
> 
> 7.        All tubes  6146s, and a 12BY7A test OK on a Hikock 600 
> tube tester.
> 
> 8.        Fan works OK.
> 
> 9.        HV drops to about 75V after about a minute on hitting 
> power switches. 
> 
> What am I missing? Ony one ever encounter similar issues with this 
> beast?
> 
> thanks and 73,
> 
> Howie WB2AWQ