Question about Hitachi 61SDX01B 61" Rear Projection Television

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No video, no audio, red light on in front of TV

Lightning struck near my house and my TV never worked after that. I have no video, no audio. Red light in front of TV comes on, and you also hear the normal click sound. On the Power Supply Board all LED's come on, but there is one LED (D913) that only blinks twice, with less intensity the second time, after that initial blinking it never comes on. On one of the main boards (DPOX Deflection P.W.B.)there is another LED (DP37) that never comes on, and it is near the IC STR F6629B, any suggestions.

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  • Suri12 Aug 25, 2008

    Same problem

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Excellent visual acuity technique!! I try to teach that procedure.

IC F6629B is probably shorted and at least one other part will

be open, possibly a zener diode,a fuse,a resistor or combo.

The service diagram would help.Be sure to use OEM first quality

parts.Let me know if you need more help.

Posted on Oct 15, 2007

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1 Answer

No audio, no video


Most likely the power supply. In most models, if the lamp goes out you will still get sound. However, the power supply is not a single piece swap. I would suggest getting a voltmeter, and check the voltage where the power cord meets the power supply. Then follow the circuit pathways, checking after each component, until you find a break in power. You are getting power to that light, so some power is getting through. However, the light works on much less voltage than the rest of the television, so probably there is a capacitor or transformer that's gone out.

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It may be too late for this advice, but if you live in a lightning prone area, you should consider having a 'whole house surge protector' installed.
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If your house was struck, I'm surprised you don't have a list of things that no longer work.
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