Question about Onkyo DV-CP704 DVD Player

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No lcd display but power suply is ok - Onkyo DV-CP704 DVD Player

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Hi...
If this unit has a backlit display, it will need a new lamp.
I've fixed Yamaha's and NAD units in the same fashion.

Posted on Mar 03, 2009

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White screen with Craig portable


ok billie! you have sound but no video! and only white screen! ok first maybe you have defective ribbon wire thats connect to LCD. Second you have defective LCD!.  but first try to replace the ribbon wire! before you replace the LCD!. i hope this is helpful advice to you to become Solved!

Oct 20, 2007 | Craig 731398407019 Portable DVD Player

1 Answer

Where can you find power suply parts fo this unit


www.encompassparts.com show a lot of parts for this unit but you have got to know your descriptions pretty good. The part number for the whole power supply pcb is
VEP01950B but it appears to be N/L/A at encompass.
I hope this helps. Thanks for using fixya.

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firstly, check if there is a resistor that blocks the power,if not there is capacitor that is associated with the circuit that is bad,check very well.

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That's the one who's broken by me. I replaced this cap. and the one right next to it (c1261?), 16V/1500µF

It's working again!!

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1 Answer

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Dvd player is completely dead.


First thing to check is the power cord with it unpluged. Do you get a resistance there or is it open?? If its no reading at all then the power transformer or fuse or current limiter resistor is open. If you do get a reading then you know your power transformer primary is good. Next measure the AC volts comming from the secondary of the transformer. AC volts? Good! Now Find pin 1 or the end pins on the microprocessor. 5 volts present?? No theres your problem get a schematic and troubleshoot the power supply. Yes 5 volts? Measure the display any volts on it?? Ok im sure by now your gonna say no to one of these and like I said get a schematic and conferm all the voltages are present in the power supply. Most common dead problem in dvd/cd players is the power supply ie transformer,regulator, ic, ect, ect. Good Luck

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