so i have this gf-1000 that i did a trade with terry the right ch dose not work i have replaced the amp ics but sill the same problem .at very low volume i can hear the right ch also i have no bass treble or balance. i do have sub control on the left thats all and volume i have cleaned all switches and pots both uvs are moving so i think the pre amp is fine tape radio aux all the same the only thing i have to try are head phones as i dont have ones that fit the the big hole do you think it mite be the caps but would that affect bass treble and balance .all so i have checked the speaker inputs in the back.all speakers are fine as i have replaced hope someone can help :superduper: