When turning off my tv i normaly just flick the power switches on the plugs, i rarely use the on off button on the set, since new (about 2 years) i have used the set switch about 20 times. i turned the set off the other night and then wen i came to turn it on the on off switch wouldnt click in and activate the set to come on. i have tried pressing it a million times and nothing is happening?? can you suggest anything?
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What you see is a protection mode. Change input device to some other like a DVD player. Switch off TV, switch off power, remove plug and wait for 48 hours and retry. If problem persists, call in a qualified service technician.
This is a common problem on these plasma TV's. The problemresides in the high voltage boards known as the X and Y Sustainboards.. You can purchase them here for a very reasonable price: http://www.discount-merchant.com/Y-SUSTAIN-FOR-42-PLASMA-TV-PN-6871QYH036A-p/sku9510.htm
The above link is to a Y-SUS board. The X-Sus board is often the 2nd cause of failure and can be found here: http://www.discount-merchant.com/X-SUSTAIN-6871QZH041B-6870QZE017D-6871QZH052D-p/sku9509.htm
Totest which board is failing, you need to check voltage input to theYSUS board first... Input should be 120V from Power supply, outputshould be above 250V.. Do this test with XSUS disconnected. IF 250+Vexists, then XSUS is damaged. If not, then the YSUS is the faulty part.
Resetting the TV If the buttons on the remote AND the buttons on the TV case do not work (channels do not change and you cannot open or navigate the menu), the TV has stopped responding. Reset the TV as follows:
NOTE: Some TVs have a reset button. If available and accessible, try using the reset buttons before using the steps below. Using the reset buttons can save time. 1. Unplug the TV power cord from the power outlet. 2. Unplug any connected devices (DVD, Set-top boxes, etc...) 3. Press and hold the TV power button for five seconds. 4. Plug the TV power cord back into the power outlet and turn on the TV. 5. Open the on-screen menu to confirm that the TV is responding again. 6. Turn off the TV and reconnect the devices. 7. Turn on the TV.
The signal from the STU to the Hitachi box is going in the wrong direction. Is the adaptor that you have switchable? If so, flick the switch in the other direction and this will fix it. If the adaptor is not switchable get one that is. Then set the STU output to RGB.