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Toshiba 61H71 Do you have a part number for that High Voltage Transistor ? I have the same exact problem and I was told it was the Hyper Board # 23786198. Thanks, Bill damarlin@yahoo.com

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2SC5570, according to the service manual.

Posted on Jul 23, 2009

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The picture went black but we do have sound. It was running perfect and picture was great until it just went black.


If this is a Toshiba 61A61 rear projection. First you have to determine if it has high voltage. You can find this out by looking at the end of each picture tube where the socket is to see if there is an orange glow indicating that the filaments are lit and the set has high voltage. If they are not lit then I know from experience with this set that there is a bad connection on the deflection board where the high voltage transformer is located. The HV transformer has red wires coming out of it. You will have to turn the deflection board upside down and look for the bad connection. But first just tap lightly on the deflection board with the handle of a screwdriver to confirm the bad connection. If the set comes on you will be required to solder the connection with a soldering iron and rosin core solder. Now if the orange glow is there you have bad capacitors on the hyper module. The hyper module is located to the right looking from the back and stands upright and is soldered to the main board. It will be required to unsolder and inspect the capacitors for bulging at the top. The hyper module is likely to not be available anymore. Changing the capacitors will fix the video problem

Nov 11, 2011 | Toshiba 61A61 61" Rear Projection...

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My toshiba 65hx81 cut out lastnight. All I have now is the red flashing pwer light. Where do I begin? Do you know what the issue might be? Thankis, Kyle


Frist Kyle count the number of blinks on the set when it shuts down, this is an error code related to the problem area., The most common failure in this model is the deflection power supply board. This board provides high voltage to the picture tubes and related large signal circuits. You may want to check the horizontal output transistor for shorted condition, if it is found to be shorted replace it an the flyback transformer as these two work to gether to produce the horizontal frequency to produce the high voltage.

Oct 18, 2011 | Toshiba 65HX81 65" Rear Projection...

1 Answer

Picture is wavy then fine, happens every two minutes


This model like several others had problems with what is called a Hyper board inside which processes all signal inside the set.

From a Toshiba service bulletin:

No: PJTV200503 2 Pages Ref: WU032505
Product: Projection TV Date: 3/25/05
Models: 42H81,43HX71, 43H71, 50HX81, 50H71, 50H81, 53HX71, 53H71, 57HX81, 57H81, 61H71, 65HX81 AND 65H81
Product Safety Precautions:
Product Safety Precautions are described in the Toshiba service manual(s) for models covered in this bulletin. All safety precautions and checks shall be complied with before returning the equipment to the customer. Servicers who defeat safety features or fail to perform safety checks may-be liable for any resulting damages and may expose themselves and others to possible injury.
Application: The information contained in this bulletin applies only if you encounter the symptom(s) listed below.
Subject: MVPU13 Hyper Module Repair (23786198 / 23148017X)
Symptom: Multiple Symptoms may be experienced depending on which capacitor is faulty. The primary symptoms are jagged, digitized or pie crusting of the picture. The set may also be described with a poor sync condition.
Corrective Action: Remove the MVUP13 Hyper Module from the TV chassis, remove the top shield and replace the 10uf, 16v capacitors using Part Number 24619040 as shown in Figure 1. It's recommended that all of the capacitors identified in Figure 1 be replaced. (Note: These capacitors are low impedance surface mounted aluminum electrolytic capacitors. Care should be taken to avoid damaging the PCB while replacing these capacitors.)
TOSHIBA AMERICA GOISJSUIVIIER PRODUCTS, L.L.C.


There are several surface mounted capacitors that dry out with age and usually the problem starts out when first turned on and then eventually after on a long enough time the set works--the time will get longer as the problem gets worse.

The board is no longer available and only two options here: locate and replace all the selected caps which is not a do it yourself job or remove the board and send it out for rebuild.

Let me know if you need more info as I have seen dozens of these sets with this kind of problem.

SD TECH

May 13, 2010 | Toshiba 57H83 TV

1 Answer

Can i put a 57H82 power supply - deflection board in my 61h71 the 2 board look almost exactly the same exept for my pd0074c has 2 caps after the bridge rectifier and the other doesnt but all plugs are the...


As long as the part number for the power supply is the same, yes you can. the thing is that even though if they look alike it might not work, that's why you need to check to part number, remember, they need to be the same one... you'll be able to findit on the back of your power supply

Jul 24, 2009 | Toshiba Televison & Video

1 Answer

Toshiba model 61h71 red light comes on /no picture or sound


We had the same problem, open the panel on the back of the tv, the board on the left, not the one with the convergence chips. Inside the tv u will see a piece of paper with the fuse info. The board on the left unscrew it and flip it away from you, the fuses to test are at the bottom, on the circuit board it will say 125volt 5 amp, and the number starts with an f. they are small and rectangular and black. Check all but the 3 at the bottom are usually the culprits Hope this helps u

Jan 14, 2009 | Toshiba 61H71 61" Rear Projection...

1 Answer

Toshiba 61" part no. question?


Hello: my problem is that I have audio but not video is not seen at all. Abri the part of behind of the screen and I see that two pipe estan subdued(switched off) does not have light.
My e-mail is albertoj.martellvalentin@yahoo.com
If the agradesco can help me Thank you

May 12, 2008 | Toshiba 61H71 61" Rear Projection...

1 Answer

Toshiba 61H71 blue convergnece cannot be fixed using TV controls


You need to replace both convergence ICs part number STK392-110 this requires basic soldering not very difficult. If you order the new ICs at the link I am posting they provide free instalation instructions with pictures and free tech support so you can do the repair yourself and save about 400.00 heres the link.
http://servicemanuals.vstore.ca/

Apr 29, 2008 | Toshiba 61H71 61" Rear Projection...

2 Answers

Hyper board location and removal


Part # 23148024 PTS rebuild only.......core first.expensive....

Mar 31, 2008 | Toshiba 50H82 50" Rear Projection...

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