Question about Craig Televison & Video
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: power on but nothing else
My DVD22 did exactly the same. The solution mentioned by shelompidid not apply to me since my model already had the fix factory fitted.
The other problem mentioned on page 21 of the service manual did the trick for me, although the complaint does not seem to be directly relavant:
"Complaint: Will Not Read Disc; Other Functions May Be Disabled
See h/k service bulletins HK2004-03 and HK2005-02, as the issues covered there involve similar
Probable Cause: EC19 and EC20 (1000μf 16v capacitors) may be defective in the power supply. This can be checked by measuring the +3.3v and +5v voltages that are associated with EC19, 20 to see if they are low (more than 0.1v low). The SPMS output voltages are marked on the PCB adjacent to the large 13 pin header. While there is only one 3.3v pin, there are several +5v pins, and care should be taken to measure the correct one(s), which are either two +5v pins approximately in the center of the header.
I could actually see on the power supply board that these two caps were damaged, although they were not completely popped. An additional cap which was damaged on my board was EC4.
When I measured the voltages the middle D +5V was reading about 4,6V. I did not expect a problem until I read the statement above on page 21 stating it should not be low by more than 0,1V. My A+14 and A-14 voltages also read about +/-17 to +/-18V.
I replaced all three caps: EC4, EC19 and EC20 with 25V caps instead of 16V caps. The voltage for D +5V now read exactly 5,01V! The A+/-14 read +/-16V (some improvement).
My unit is operating fine after replacing these 3 caps! I suspect that the damage to the caps could have been spikes on the AC suppy some stage, maybe due to lightning. Pretty amazing that only the power supply have damage and not the main pcb.
Posted on Mar 11, 2009
tap it gently from the side while pressing the button......or with a knife try to open it gently...while pressing the button....after it,s open..clean the side n the belt..
Posted on Jun 26, 2009
SOURCE: Good morning, I have a sansui
You are having a loading tray sensor problem. It is a small leaf switch on the under side of the loading tray. It must be having a contact problem. How it works is when you close the tray at the end of the tray's travel this switch closes and shorts sending a signal to the microprocessor to shut down the loading motor, same happens when you press eject. Sounds simple but is little difficult to access for a first timer. One you get to it all you need is some switch cleaning spray ( even WD40 will work wonders ).
Take professional help it will just take 10 minutes and will cost you only labor charges. You can mess up the timing if you get it wrong and the loading tray may not work properly.
Posted on Jul 03, 2011
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