Question about Panasonic PT-65WX51 65" Rear Projection Television

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Pico fuses are these situated on the power board or the board with the ircs on what does a capacitor look like a resistor look like how many pico fuses are there

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IDing components of electronics is fundemental, if you can not ID a resistor or capacitor you do not belong inside a TV or any electronic device. but here is what they look like.pico fuses - de89c0f.jpg177afe3.gif

Posted on May 10, 2008

  • Robert Johnson May 11, 2008

    please try to stay in the same thread instead of opening new ones it is just easier to make the conversation and to remeber the point of the conversation. who is doing the repair on the set? are they qualified to do electronic repair? you don't want to have just anyone work on your tv they could mess it up. then it would cost you more money to repair it later.



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I've replaced my STK's, 2 pico fuses on the G boards, and tested each convergence resistor along with the pico fuses on the D board--albeit they were still soldered in place. I desoldered two pico fuses...

I believe there is a power board on the left side when looking from the back. It will be vertical, right next to the board you worked on. Take that board out. I believe there are about four pico fuses on that board. One or two of them will be open. Replace the fuses and you should be good to go.

Feb 19, 2011 | Sony KP-57WS500 57" Rear Projection...

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What is the rating of the SMT fuse on the inverter board of a Dell 2000FP LCD monitor? The fuse is labeled F1 on the circuit board and is marked FT on the fuse itself. Thanks!

You can try this, solder in a 1/2watt 1 Ohm flame proof resistor (MOX, Metal Oxide) in place of the fuse (a lot of company use this instead of the fuse) just to see if it evevn come on or the resistor will get real hot if it has shorted out MOSFET. You should Ohm out the MOSFET and also check the value and the ESR of the two electrolytic caps, if they are bad it can cause the power supply to go into oscillation and draw too much current. i do this all the time so I do not waste my good fuse.
If it stay on then you can measure the DC voltage across the resistor then you can figure out how much the current draw is and then get the fuse with 25% higher than the current draw. I use PICO fuse for replacement.

The replacement board is very expensive.

Basic LCD monitor troubleshooting guide:

Failed TV, Monitors, Caps :
Capacitor kits: he can make you a set of caps for you.
Please post back what you find.

Nov 04, 2010 | Dell 2000FP 20.1" LCD Monitor

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My benq lcd fp767 have power but no display,,,i want have a troubleshooting guide about the lcd,,,pls help me

First check the vga cable, video cards of your pc.if all of these are ok open your LCD monitor check the power board for boated capacitor, open secondary pico fuse or fuseble resistor, replace it with the same value. The defective lcd panel can cause of dim dispaly but the power is ok.

Oct 03, 2010 | BenQ FP767-v2 - 17" LCD Monitor

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We have sound but no picture at all... work the night before, next morning, nothing.

Check the Pico fuses fromthe power supply to the main board, the convergence board. trace using the power output from the power supply. if you notice any suspected components visibly showing out a fault like a capacitor or a burnt resistor, check it out and replace.
Check for possible dry solder joints or failure of the IC.
Remove plug off while checking and test by tapping board for any loose connection.

Aug 27, 2010 | Soyo DYLT032D 32 in. LCD Television

2 Answers

Convergence parts? What are the specific pico fuses and resistors

There are six 3.15 amp picos use 3.5 amp when replacing and there are two 5 amp picos on the G board the resistors if needed are 4.7 ohm 1/2watt

Sep 06, 2009 | Sony KP-46WT510 46" Rear Projection HDTV

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Sony kp-51ws500 resistors and pico fuses on d board

I can help with the PICOFUSES...they are 4 amp Pico.

As for the resistors, if ANY are burned, look at the convergence amp next to the damaged ones...those resistors are a mirror-image of the damaged ones.

You NORMALLY do not need to replace the resistors, ONLY the picofuses.

Mar 27, 2009 | Sony KP-51WS500 51" Rear Projection...

1 Answer

I checked power supply and power assy for voltage and its fine. I removed the Y-sus board and started checking for continuity, I started with the fuse (good) Then resistors, I found one very small resistor...

The small green resistor could be a pico fuse, check the markings on the board and look for an F and a number next to it. If that fuse is blown, it means something (Mosfet, transistor) got shorted to blow the fuse. To measure capacitors, you will need a capacitance meter but they rarely become shorted, so I would focus on the mosfets and transistors.

Jan 02, 2009 | Maxent MX-42VM10 42 in. HD-Ready Plasma...

1 Answer

Samsung pcl5414r power resistors and pico fuses??

Hi again and welcome back to FixYa,

Appreciate the direct "Ask Me'.

Based on your original post, only the STK ICs were replaced. Presumably 392-040, the surrounding resistors and pico fuses could very well have been affected as well. Depending on the board revision (pls confirm location numbering on the actual board), the resistors could be:
RZ104 -RZ106 - 270 Ohm 1/2watt
RZ133-RZ135 - 27K Ohm 1/16 watt
RZ136 & RZ138 - 3.3K Ohm 1/8 watt
RZ146 and RZ147 - 3.9 Ohm 2 watt
RZ148 and RZ149 - 150 Ohm 2 watt
while the pico fuses would look like the image below.
Good luck and Thank you for using FixYa.

Dec 26, 2008 | Samsung PCL5415RB 54" Rear Projection...

1 Answer

Mitsubishi WS 48511 Blinking Green Power Light

Your model will have two picos mounted on the same board with the 7 capacitors they will look like resistors without the color bands they will be F9B01 and F9B00 check them for continuity.

Jul 27, 2008 | Mitsubishi WS48511 48" Rear Projection...

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