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QRX 3000

Stereoboy70

Stereoboy70

Active Member
Hello All. I’m having trouble adjusting the bias current on this receiver. I followed the service manual but when I try to adjust at fuse 1,3,4 I don’t get any movement in my miliamp meter. I changed out the pots with Bourne 200 ohm pots and still nothing. Fuse 2 I can adjust fine to 20ma but the others don’t seem to do anything. You’re supposed to leave the fuses in except the one your clipped to while adjusting that channel. Bothamp boards have all new caps. I’m getting soundfrom both channels but it’s weak and scratchy. Sounded great right after the cap change
 
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Already posted in "Exclusively Sansui", which I believe is the best choice. It's a pity there haven't been responses there, but please note that posting the same thread in multiple forums is against AK rules. Might want to try "bumping" the thread in the Sansui forum.
 
Thank
chazix said:
Already posted in "Exclusively Sansui", which I believe is the best choice. It's a pity there haven't been responses there, but please note that posting the same thread in multiple forums is against AK rules. Might want to try "bumping" the thread in the Sansui forum.[/QUOTE. Thanks.
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