Philips cd880 problems

dariusku · 8th April 2007, 02:47 PM

Hi,
have some problems with Philips CD880. Disc engine rotates anything else is dead -no display ,buttons don't work. This problem was earlier but resoldering helped .Now problem the same and resoldering mdidn't help .
Could someone tell which signals & need to have that player starts to work .& think first must be reset to servo processor and oscillator work but don't have service manual.
Thanks
Darius

musicomputer · 9th April 2007, 01:23 PM

Hi

I had this problem recently and traced it to the system EPROM (the chip with a sticker on it such as "P203") not being properly seated in its socket. In fact, this ic socket is the worst one I have ever seen for poor contacts, being composed of an upper and lower section. You'll get a much better contact if the top half of this socket is removed and the chip reseated into the lower half.

dariusku · 9th April 2007, 02:40 PM

Thanks for answer. Checked and cleaned socket half removed all contacts from ROM to other chips are good.
Other suggestions, please.

poynton · 9th April 2007, 05:51 PM

Quote:

Originally posted by dariusku
.....................don't have service manual...........................

you do now !!

http://www.bigupload.com/d=549A3F8C

Andy

dariusku · 9th April 2007, 08:09 PM

Thanks!
Hope helps.

jazzigor · 9th April 2007, 09:45 PM

Poynton, thanks for the manual. My problem with the CD880 was that it read burned CDs perfectly, all of them, even CD-RWs, but wouldn't read some 100-% original CDs. I decided to fix it but making a long and painful story short burned the display. Now it glows like Broadway (or I should say Arbat - a major street in Moscow) but nothing works. Gave it to a friend, the manual might come in handy.

8th April 2007, 02:47 PM	#1
dariusku diyAudio Member Join Date: Nov 2004 Location: Kaunas,LT	Philips cd880 problems Hi, have some problems with Philips CD880. Disc engine rotates anything else is dead -no display ,buttons don't work. This problem was earlier but resoldering helped .Now problem the same and resoldering mdidn't help . Could someone tell which signals & need to have that player starts to work .& think first must be reset to servo processor and oscillator work but don't have service manual. Thanks Darius

9th April 2007, 01:23 PM	#2
musicomputer diyAudio Member Join Date: Feb 2004 Location: Manchester, England	Hi I had this problem recently and traced it to the system EPROM (the chip with a sticker on it such as "P203") not being properly seated in its socket. In fact, this ic socket is the worst one I have ever seen for poor contacts, being composed of an upper and lower section. You'll get a much better contact if the top half of this socket is removed and the chip reseated into the lower half. __________________ pure, perfect sound - forever

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9th April 2007, 02:40 PM	#3
dariusku diyAudio Member Join Date: Nov 2004 Location: Kaunas,LT	Thanks for answer. Checked and cleaned socket half removed all contacts from ROM to other chips are good. Other suggestions, please.

9th April 2007, 08:09 PM	#5
dariusku diyAudio Member Join Date: Nov 2004 Location: Kaunas,LT	Thanks! Hope helps.

9th April 2007, 09:45 PM	#6
jazzigor diyAudio Member Join Date: Jul 2006	Poynton, thanks for the manual. My problem with the CD880 was that it read burned CDs perfectly, all of them, even CD-RWs, but wouldn't read some 100-% original CDs. I decided to fix it but making a long and painful story short burned the display. Now it glows like Broadway (or I should say Arbat - a major street in Moscow) but nothing works. Gave it to a friend, the manual might come in handy.

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