Question about Toshiba TheaterWide 52HM94 52" Rear Projection HDTV
At front panel green light is on and the red is blinking, color wheel not moving
unscrew then check the pcb with a tester
or check the power supply and all the wire
find the parts here
Posted on Nov 19, 2008
This unit has not only problems with the convergence amps but the digital convergence board as well - this is one I would clearly recommend you take in for servicing as opposed to trying the repair yourself... It could be either that's faulty and some elaborate testing with a scope will confirm the failure.
Also, let the tech know that the correct part number for that digital convergence board is: 23786715 (Pd0078d) and to refer to Toshiba's technical bulletins Tv200301 and Tv200301 for further info. This will save them some grief if it does turn out to be the dc board because the part number in the service manual is not correct.
Posted on Nov 15, 2008
Initially, the front panel green light indicates that there is power coming into the system; standby light or the red light flashing indicating that the unit has switched to protection mode., the unit in its self diagnosis has detected a fault. In order not to extend the damage, the unit prevents itself from turning on. Eventually the unit has to be opened up for a look and see. This of course would require a fair familiarity of electronic components/circuitry and safety procedures, use of a DVM and a soldering iron. It would be to your added advantage access to a service manual or at the very least a schematic diagram with voltage readings. Should you be uncomfortable performing a DIY (do-it-yourself), perhaps your best bet would then be to seek the services of a qualified professional or claim warranty repair.
Incidentally, in the hope that this is a simple glitch, perhaps you can try unplugging from the mains and removing all connectors. After an extended period, reconnect and verify connections and try again.
Additionally, was there anything out of the ordinary prior to the incident such as power failure/interruptions, thunderstorm, TV used for an extended period of time, the remotes has been inadvertently played with, or anything noteworthy.
Hope this be of initial help/idea. Pls post back how many times the flash/blinks, back how things turned up or should you need additional information. Good luck and kind regards. Thank you for using FixYa.
Posted on Nov 14, 2008
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Posted on Jan 02, 2017
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