When i turn it on the power light comes on but goes off

If you can't see a faint picture with the flashlight then the T-con board is gone. If you can see a faint picture, then the led driver or ballasts for the back lights quit. You can get parts from here: TV Parts Universal TV Stands DLP Chips ShopJimmy

If the picture shows a picture briefly upon power up then goes off after a few seconds, you have a back light fault. It could have a problem in the 24vdc circuit, failing back light inverter board, or a blown CCFL lamp.

i have the same problem. i just replace the power board because of the "green blinking" light. now, light stays green, picture comes on for a few seconds, then blank....

did you fix your problem.

helloFive blinks - AKB circuit (automatic kine bias), the timer/standby indicator blinks for about 30 seconds then goes to the self-diagnosis function. Something is wrong with the video. Check video out, Q705, 732, 761 and other components on the C board, also check Q218, 219, 220 on the A board. In addition, unit could be in IK blanking, try turning up screen slightly.

shaun

Sorry. Your screen dies.

Sounds like the CRTs are going into protective blanking due to the vertical output ic needing to be resolderd. Try resoldering the vertical IC that may possibly fix the issue.

check both your power and video connections to the monitor, sounds more like a monitor power issue.
if the connections appear ok, but screen still blank, try connecting a known good working monitor from somewhere else and see if it works with your pc, if it does, your original monitor is faulty, if it doesn't, you have a pc video issue.

TV turns on but doesn't stay on goes in and out then blank screen. LED light stays on during the entire time your problem is called hunting you can check power supply of your tv .It common problem in Philips T.V. Thanks