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Anonymous Posted on Sep 19, 2012

I cant locate the IP1280 fuse protector ... where is it plzzz!!!

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John Wardlow

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  • Contributor 27 Answers
  • Posted on Sep 21, 2012
John Wardlow
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Iit is on the power board, look for the transformer and the large black cylinder capacitors. See photo for location on the board itself.

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May be the grid power to the display. Try shorting across this fuse protector IP1280 (looks like a resistor) on the power board. See more detailed solution I posted in this forum for a similar question.4a63623.jpg
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It may not be needed. Try shorting across this fuse protector IP1280 (looks like a resistor) on the power board. See more detailed solution I posted in this forum for a similar question.4a63623.jpg
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Try shorting across this fuse protector IP1280 (looks like a resistor) on the power board. See more detailed solution I posted in this forum for a similar question.4a63623.jpg
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Here is an easy fix that may work. Try shorting across this fuse protector IP1280 (looks like a resistor) on the power board. See more detailed solution I posted in this forum for a similar question.4a63623.jpg
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Try this. Try shorting across this fuse protector IP1280 (looks like a resistor) on the power board. See more detailed solution I posted in this forum for a similar question.4a63623.jpg
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You may be able to fix it yourself. Search this forum or my profile for a more detailed solution to the same question worded differently, it is the one will a lot of photos. Try shorting across this fuse protector IP1280 (looks like a resistor) on the power board. See more detailed solution I posted in this forum for a similar question.4a63623.jpg
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Could be an easy fix. Try shorting across this fuse protector IP1280 (looks like a resistor) on the power board. See more detailed solution I posted in this forum for a similar question.4a63623.jpg
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The display on the front of the dvd player is not working

I finally got some time to run this one down. I first took the "easy" solution and just ordered a new display and replaced it. No luck.

I traced the problem to the grid voltage going to the fluorescent display, it is a vacuum tube and requires grid heater voltage. The circuit goes through a switching transistor on the display board (board not available) through the DVD board (circuit wiring only) through a diode and fuse protector on the power board (also not available) to a transformer. The fuse protector was open, but the transformer was not putting out the right voltage. I replaced the transformer and jumpered the fuse protector and that solved the problem. I will need to put something in there for circuit protection as it may be a current limiting fuse protector but the part was not even in the parts.com parts list.

Cause: Temperature and/or voltage surge caused transformer and fuse protector to fail. Transformer rang OK, only display voltage affected.
My Solution: Replace transformer T1150 and Fuse Protector IP1280.

Possible cause of others who replaced the display board: Voltage surge may have taken out switching transistor Q7001 on display board. This transistor is turned on by QR7201 & QR7201 in a Darlington pair when PowerSave goes low. I did not under stand this function since the display is never completely off. It may dim it but I don't recall the display dimming. It may be non function on this model so jumpering E-C on Q7001 might solve the problem for others.

Parts replaced:
T1150 Transformer G4D2A0000216
IP1280 Fuse Protector K5G252AA0003

John
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