Onkyo DX-7500 Schematic

culcanmar · 22nd February 2003, 02:23 PM

Since I have some very strange noise problems, I'm looking for a service manual or schematic for my onkyo integra dx-7500 cdplayer.

Occasionally, I can hear some kind of white noise coming out of speakers when I try to play a CD and this sounds really horrible. It doesn't seem to happen on a regular basis, but every now and then it's there. I can tell you, it is pretty irritating when you cannot listen to your cd's......

Hopefully, someone might have an idea what could be the cause of this problem, or can help me with a service manual.

Greetings,

Martin

Netlist · 22nd February 2003, 03:32 PM

Hi culcanmar

Open the player and look at the soldering side of the boards.
Look for bad joints particularly at the voltage regulators.
Look where the board became slightly brown or darker (heat)
Resolder every bad joint carefully.
But first of all, discharge the main cap(s).

/Hugo - Would be happy if the problem was solved

22nd February 2003, 02:23 PM	#1
culcanmar diyAudio Member Join Date: Feb 2003 Location: Lopik weekends, Enschede during the week	Onkyo DX-7500 Schematic Since I have some very strange noise problems, I'm looking for a service manual or schematic for my onkyo integra dx-7500 cdplayer. Occasionally, I can hear some kind of white noise coming out of speakers when I try to play a CD and this sounds really horrible. It doesn't seem to happen on a regular basis, but every now and then it's there. I can tell you, it is pretty irritating when you cannot listen to your cd's...... Hopefully, someone might have an idea what could be the cause of this problem, or can help me with a service manual. Greetings, Martin

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22nd February 2003, 03:32 PM	#2
Netlist diyAudio Moderator Emeritus Join Date: Jan 2003	Hi culcanmar Open the player and look at the soldering side of the boards. Look for bad joints particularly at the voltage regulators. Look where the board became slightly brown or darker (heat) Resolder every bad joint carefully. But first of all, discharge the main cap(s). /Hugo - Would be happy if the problem was solved