Questions & Answers for: what is a bad cap

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Question about AL1912B 19" LCD Monitor

1 Answer

is blank and the green light is on solid.I changed the cable with no improvement. The problem ca be bad back light inverter circuits, bad power supply because of bad caps, bad lamps. More likely to be

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Question about VA1916w LCD Monitor

1 Answer

...the monitor on is stuck in nd there is no picture. The monitor screen is black can be caused by bad caps in the power supply, bad inverter circuits, or worst will be bad lamps, you need to open

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Question about Optiquest Q19wb LCD Monitor

2 Answers

CAP'S GO BAD THE ONE CAP THAT IS AT FAULT IS THE ONE INSIDE THE POWERSUPPLY (EASY TO GET TO) THE CAP IS A [email protected] 16VOLTS (RADIOSHACK HAS THEM FOR $1.24 CENTS) ALTHO YOU SHOULD CHANGE THE THREE ON THE

Question about AL1717 17" LCD Monitor

1 Answer

Dark bands scrolling down the screen It can be bad filter caps are bad, look inside for bad caps with bulging top first, see example of failed monitors due to bad caps: ...

Question about 42PFL5603D - 42 IN. LCD HDTV

1 Answer

tv won't turn on, only blinks a red led infront once and then four times could have bad caps in the power supply.They will swell up when bad,heat damage.These caps should be replaced with high temp ...

Question about 22" Widescreen LCD Flat Panel Monitor

2 Answers

monitor issue More likely to be caused by bad caps in the power supply, bad inverter circuits, or bad lamps. I would look inside for bad caps with bulging top or leaking caps first. Post back what you

Question about L17LCD2 17" Flat Panel LCD Monitor

1 Answer

...momentarily when i reboot but goes back blank The problem can be the backlight inverter circuits, bad caps in the power supply, or bad lamps. I would inspect the caps first, look for caps with ...

Question about SyncMaster 193V 19" Flat Panel LCD Monitor

1 Answer

switches on then goes into standby It may have dying power supply problem due to bad caps or shorted out backlight inverter circuits. Look for bad caps with leaking/bulging top first sine it is easy ...

...bad CAP , shorts, and when those do that the overload the DC bus regulator. there is no schematics, for it, why bother, get a new monitor or buy used PCB card for it on ebay, or replace the bad cap. ...

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