Clocking for JVC XL-Z1050? - diyAudio
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Old 23rd June 2005, 03:11 PM   #1
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Default Clocking for JVC XL-Z1050?

Has anyone done re-clocking for the once famous JVC XL-Z1050? Opened it up and found that it uses an 'obscure' DAC chip...seems to be JVC's very own....JCE4501...and the clock crytsal(16.xxxxMhz), with its 2 usual accompanying capacitors is located just beside this DAC chip.
Search this forum and seems like this player is very less mentioned.....and have not been successful in googling datasheets for the JCE4501 either. I need to find out which is the Xtal In pin (for the clock input) for this DAC.
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Old 23rd June 2005, 03:18 PM   #2
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Pic of the player from a website...seems like not much info can be found for this old player which was a Stereophile classified...


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Old 23rd June 2005, 11:18 PM   #3
alfsch is offline alfsch  Germany
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Jce4501: from service manual (1991):
cmos pem dac; xin 9, xout 10;
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Old 24th June 2005, 03:17 AM   #4
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alfsch, do u have the service manual? are u able to send me? i am trying to change the capacitors to new ones that is filtering the supply for the digital and analog sections. Capacitors over 10 years is not good at all.
Oh yes, thanks for the info above.
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Old 24th June 2005, 08:41 AM   #5
alfsch is offline alfsch  Germany
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no, its a manual from a 251, but same dac used there. so i could just help you, with info about the dac or other chips, if needed. (maybe also the same)
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