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Nederlands Forum over Oude Radio´s |
Re: PHILIPS 930A help needed as unfamiliar with this set !
Geschreven door Gidi Verheijen op 15. Okt 2003 01:51:30:
In reactie op: PHILIPS 930A help needed as unfamiliar with this set ! geschreven door Andy Mills op 14. Okt 2003 21:07:58:
>> Thank you for permitting questions in English !
>I am hoping one of your readers may have a service manual or detailed
>> knowledge of the Philips 930A radio, which I am currently restoring here
>> in the UK . I have replaced the bias resistors, all capacitors in
>> capacitor block and the rectifier. The set now powers on, but there is
>> no reception of any signals. The audio works, a buzz is heard when a
>> screwdriver is placed on the "gram" socket, but it is very quiet. The HT
>> volts seem quite low at 185 approx. Does anyone have any voltage
>> readings from a working set. I have no idea what bands this set covers.
>> Can anyone tell me what the waveband coverage is and also what the 4
>> aerial connections are for. ?? Are there any checks I can make to see
>> if the loudspeaker is faulty - unlike most sets I am used to , this one
>> has no output transformer !!
>> When I tune to one band, there is some whistling and hiss coming from
>> the speaker, but this stops when I turn the tuning dial. all the valves
>> capacitors and resistors check OK
>> What else could be wrong ??
>> Hope you can help
>>
>> Regards
>>
>> Andy MillsAndy,
All I can offer you is the schematic. See your mailbox.
Gidi