I am a service tech, and need a schematic to repair a client's amp. I replaced the TO-3 outputs, but the 12AX7 is not firing up. The plate voltage is there, but there is no voltage at R127, the bias trim pot (I assume). Is there any way I can receive a schematic for this head?

Asked by David on 12/16/2010 2  Answers

ManualsOnline posted an answer 13 years, 3 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here
0 Hi did you get a schematic? I need one as well. I asked HK for one today and await reply. heres my email if anyone has one. Cheers!manfishmusician@hotmail.co.uk
Was this answer helpful?

Add Your Answer

Please Note: Do not submit personal information as it will be displayed online.