[AMPS] AL-1500 Problem

[Phil Clements]

Subject: [AMPS] AL-1500 Problem


>
> Hi All,
>
> Before I will start to do fault diagnosis and try to find reson for it, it
> would be nice to have few comments from you, more experinced with amps and
> specially with AL-1500. The following indications has been made:
>
> 1. Power dificult to find, it gives less than 1 Kw output. Driven
> Power has to be about 45 Watts. If it exceeds this level of driven power
> the Amp. trips down the protection. Usualy it was necessary to have about 90
> Watts to have about 1,5 Kw. Tunning was easy and not at all critical.
>
> 2. Grid current is very low, either in CW or Phone, both almost dont move
> the
> nedle and after aplying Driven Power Plate current goes high sky to 700Ma.
> and in some bands almos 1 A.
>
> 3. The situation started by no reason. There was no noises, no sparks
> and no smells, just went crazy !?
>
> All the ideas and advice are very welcome!
>
> 73 de Jukka OH2MA

Replace the 8877....enjoy!
Phil, K5PC




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