Hyundai42"plasma mod#hpt4241 power supply is

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How can you read the color red, red, gray diodes? This is located in primary power supply unit. Connected to STR F66546 IC regulator.

Zener Diode Code
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Jul 18, 2015 • Televison & Video

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MCS 160 Boston Subwoofer ZD3 Zener Diode Value

ZD3 is a 18v zener. Also check the surface mount resistor on the back of the board that is attached to ZD3, I think it is R9. Should be 10 ohms. This resistor sometimes opens when the diode goes short.

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Jul 13, 2013 • Audio Players & Recorders

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My hitachi 29in ctv power supply 110vac had a problem on zener diode will blown if we switch on the tv. what spare parts to change so that the power supply zener diode will not blown again and the supply...

The secondary output voltage comes out from is more than it should be there. That is why, the protection zener diode blows off, as soon as you switch ON the set. First find and repair the power supply regulator, for correct output voltage. Refer its repair book for details. After repair include the zener diode in place. OK.

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May 08, 2012 • Hitachi Televison & Video

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Asus g51v dead

it is dead sorry to say theres more than you can see. use a mag glass to see all board look for water trales burnt marks all before you try to fix it ok jim

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Dec 03, 2011 • ASUS Computers & Internet

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Emerson mod. ewc 1301 keep blowing fuse

Hello
There must be a direct short in its power regulator section. Normally a shorted switching output transistor at power regulator section will cause this fault. You have to check all the components in the power supply switching retulator section, including rectifier diodes, zener diodes, electrolytic capacitors, small signal switching transistors etc. In fact, you have to check the components in the entire power regulator system. Never put any more fuse into it as an experiment; this will make more components to get damaged. Check the sets' circuit well. OK.

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Jul 27, 2011 • Emerson EWC1901 Combo

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My 50 lg plasma doesn't power on right I need to give it a shake before it will work right

Hello,

Check the power supply; look for bad caps with leaking/bulging tops, check to see if you have standby +5vdc at the power supply connector, the front red indicator will not be on if you do not have this +5vdc standby voltage due to shorted out power transistor or zener diode...but if otherwise, Your power supply board is dead, u know basic electronics' and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

Hoping this will helpout in solving the problem.....

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Jun 23, 2011 • Televison & Video

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Panasonis 50" plasma, both fuses keep blowing when

This is a dead short, check power supply for diodes bad or zeners

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Mar 08, 2011 • Panasonic Viera TH-50PX80U Plasma TV

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Pops fuse when you turn it on

this mean a dead short in power supply, i would guess bad rectifier or diodes, zener. start near the plug in where power goes in.

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Feb 13, 2011 • Hitachi 42HDS69 42 in. Plasma Television

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Want to know the value at "zd801" on si-727r-ds

The part would run you no more than $5.00

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Jan 01, 2011 • Sharp Televison & Video

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Tv working fine, then suddenly,pop and black screen, sound is ok

The issue here is that the zeners in question are merely like a safety fuse and replacing them before identifying and fixing the cause of the problem will only cause your replacement zeners to blow aswell.... personally if it is a true plasma it likely chews through alot of power anyway so I would take the opertunity to replace the TV with a newer much less power hungry led TV and in doing so save the hip pocket and the environment.

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Aug 25, 2017 • Philips Magnavox 27MS343S 27" TV

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PDP42V Television

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How can you read the color red, red, gray diodes? This is located in primary power supply unit. Connected to STR F66546 IC regulator.

Televison & Video

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i have a net tv pdp42v power turns on but no screen or sound

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Be the first to answer Nov 23, 2010 • NetTV PDP42V Television

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what is the symptom of your Tv if yppd is not properly working?

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Be the first to answer Apr 05, 2010 • NetTV PDP42V Television

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dear ALL, can anyone help me? I have a problem in seeing code written on a zener diode I am to replace on a Chinese made Sony plat screen Tv (LGPDP42V7)PSU board. The zener is connecting the G and S of N-CHANNEL 900V - 1.56- 5.8A /TO-220FP transistor (P6NK90FP)on the PSU board Thanks, Diagnosis [email protected]

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Be the first to answer Jan 17, 2010 • NetTV PDP42V Television

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Hyundai hpt-4241(LG PDP42V6) sound ok no picture (faint noise) My HPT-4241 plasma has sound, but no picture (just faint flickering). I can't see any picture (only faint flickering noise full of screen) When I change the A/V selection (not physical cables, but only using A/V selection button at the bottom of the screen), the flickering noise is shown only on the left side of the screen as several-inch vertical lines. Strange thing is that the sound is heard only when video line is connected, although no video is shown correctly. I fixed the audio cables at Component input 1 and tried different video connections (s-video, and component 1) On the control board one LED is blinking (left one), All others stay on. Can any one give me some advice?

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Be the first to answer Jan 31, 2009 • NetTV PDP42V Television

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Hyundai42"plasma mod#hpt4241 power supply is

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How can you read the color red, red, gray diodes? This is located in primary power supply unit. Connected to STR F66546 IC regulator.

MCS 160 Boston Subwoofer ZD3 Zener Diode Value