Philips CD104 tweaks - Page 10 - diyAudio
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Old 25th February 2006, 08:16 AM   #91
Gasho is offline Gasho  Croatia
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I unlock the mail so you can send me a documents.

Thank you very much for that.
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Old 25th February 2006, 11:19 AM   #92
tubee is offline tubee  Netherlands
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Hello Jives11

Do you have schematics of the 304mk2? If so, i am interested in them, now i have schematics only from a 304's 14 bit CDP.

Thanks in advance.
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Old 25th February 2006, 11:25 AM   #93
jives11 is offline jives11  Europe
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Quote:
Originally posted by tubee
Hello Jives11

Do you have schematics of the 304mk2? If so, i am interested in them, now i have schematics only from a 304's 14 bit CDP.

Thanks in advance.
Apologies to all, especially Gasho.

I was being stupid and what I meant was I have the CD104 schematics, not the 304 (mk I or mk II). Some of the cicuits would seem similar i.e the servo board.

At the risk of being very cheeky I'd be interested in your 304 Mk I schematics though ? I wonder if Philps improved the analog section at all ?
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Old 25th February 2006, 11:47 AM   #94
Gasho is offline Gasho  Croatia
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If 104 uses same transport (cdm2) and servo circuits as 304 ,schematic will be OK.
I think the analog section , even DAC is one of simplest and it is not so difficult to make some tweaks.
The best tweak in this machines will be new and far better power supply with better and more separated regulation.

Transport-logic-display-processor-filter-dac-analog separation.

It have space for such tweak, separate chambers inside housing.
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Old 25th February 2006, 02:08 PM   #95
tubee is offline tubee  Netherlands
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Yes Gasho, the 304 mk1 & 2 have some space for mods

Now busy to make some Pcb's for a separate clock with divider. Friend of my who has an CD880 and needs one pcb also. Its surprisingly that i don't have a hole in my hands of all the chemicals.

Jives11, try here: http://user.planetaclix.pt/
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Old 26th February 2006, 04:20 PM   #96
Gasho is offline Gasho  Croatia
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Still no toc reading.
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Old 26th February 2006, 04:33 PM   #97
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Did you wait half hour after switch on ?
Some have temperature problem.
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Old 27th February 2006, 07:39 PM   #98
drews is offline drews  Italy
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Quote:
Originally posted by Bernhard
Did you wait half hour after switch on ?
Some have temperature problem.
Yes but the problem is still present
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Old 27th February 2006, 09:02 PM   #99
Gasho is offline Gasho  Croatia
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Yes , problem i stil here.

It is time for scope No Mr. nice guy.

I am pretty mad , the one hour of transport to my home , and machine is dead.

I am thinking about , bad conection, temp. shock , vibrations.

Laser cannot be dead , maybe crystal clock for microcontroler(vibrations) , some old caps in power supply or some oscillation cicuit.

Does power supplyes have same time sequence when player is powered, which is important for proper circuit ignition? I mean caps charge time in various supplyes.
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Old 28th February 2006, 04:27 PM   #100
poynton is offline poynton  United Kingdom
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Quote:
Originally posted by Gasho
...........I resolder rivets and all solder jonts on servo board, audio board and even transport board. Nothing changed , still same problem............
Hi.

The only way to repair this problem is to drill out each griplet and solder a wire through from top to bottom.

Resoldering will not cure the problem!!

Andy
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