My Technics SL-P127 - The Quietest CD Player I've (Barely) Heard

Andy_H

Behind the Wall of Sleep
I got this SL-P127 a couple of months ago along with an entire system of late-80s Technics gear that had been sitting unused for something like 15 years. I hadn't tried hooking it up until today. It plays, but it's super quiet - in such a way that there's obviously something wrong. It sounds like playing a turntable through an amp without a phono section. I tried it on my Optonica receiver and my Technics integrated with the same results (and I tried different RCA cables just in case). I doubt it's worth the money to get fixed; I'd rather just buy a different CD player, so I'm mainly curious if anyone has any ideas as to what might be wrong with it. :headscrat
 
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Possibly a muting relay? Some mfgrs short signal to ground with a relay, some pass the signal through the contacts. I'd start there.
 
Late 80's! Sorry, but in sound quality terms it is OBSOLETE. Buy any new cheap DVD player (or Blue Ray) and enjoy sound quality that was impossible (for CDs) back them.

Enjoy:music:
 
Two variants:
1). Bad contacts on muting relay. Try On/Off - On/Off several times.
2). Bad output electrolytic capacitors. In this player you can short-circuit their, or repair caps and soldered jumper in their holes. Carefully! Only dividing output capacitors!
 
Update:
Working the on/off switch several times hasn't helped. I haven't found any free manuals online, and I'd rather apply the cost of a manual to a new/different CD player.

That being said, I'm still interested in the possibility of tinkering with it to see if it can be revived. I'm a total noob when it comes to electronics repair, but I'm eager to learn. Anybody think it's possible for me to find this muting relay without the aid of a service manual (or is that a really silly noob question :p:)

Also, any replies/comments to AngelRa's comment about any cheap DVD player being a better options?
 
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