Question about Hitachi 42PD6600 42 in. HD-Ready Plasma Television

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Hitachi 42HDT51 - AVC-75 has no power

Hello, my AVC seems to have gone out. The light (yellow/amber) on the TV (monitor) is blinking, indicating that there is no signal coming from the AVC-75 unit......when I look at the AVC-75 unit, it has no lights on at all, no power when I press the power switch. I see replacements for this, but it's around 500.00....wondering if you have any ideas/thoughts on how to fix this?????? I see talks about buying service manuals to try and fix this myself, u think it's worth it, or any other ideas? thoughts? Thanks.

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There are some AVS 75 units at Ebay for 100 up,Mine did the same thing and I took the cover off the AVS 75 and put a fan on the boards that the cable out to the tv are connected too,and now it does not shut down,the picture is great,

Posted on Feb 26, 2013

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Hi its not so easy to fix without experience,especially hitachi brand (they use many parts not avaliable).I have kind of solution for you,i can buy avc box from you if you are interested.

Posted on Nov 24, 2008

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Sharp Aquos LC45GX6U & TU-GD10U. The unit doesn't power up, and has a red blinking light from the moment you plug it in. The unit works fine in service mode.

These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices.
Blinking codes details to many popular brand TVs are given. Surf the site with patience. If blinks continue without any pause, the main board is faulty.

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If your AVC works and would like to sell I will buy this unit

Jun 03, 2009 | Hitachi 42HDT51 42 in. Plasma SLC1551AW

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Might be the digital board, which on this unit you're in luck, easy to diagnose. The digital board has a group of led lights on it D302, D303, D304, D305, D306 if when you attempt to power up and of these begin flashing or changing colors it's likely digital board needs to be replaced...
If any of this sounds to foreign get a pro on this, you can mess this unit up in the blink of an eye...

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1 Answer

No power

There is no reset on this TV. The SMPS (switch mode power supply) has been a problem on some of these models. There are no components available for this board as it has to be replaced as an entire assembly. If one or more of the fuses on the SMPS board have opened up then you might have a bad scan or sustain board. A qualified technician will be able to diagnose which board is loading the power supply if this is the case. Good luck to you. Joe Weibel

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