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LG 43LH500T upside down
all post/thread tell about mirror or picture setting on the service mode menu,since i got original remote only,and this set has no other buttons on the tv panel.howto enter service mode?
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onkyo TX-SR373 not turning on
this set wont turn on when pwr button is pressed on the remote(rc)or standby button.the stby-vcc is 11v from the stnby transformer smothing cap,3.3 from smd reg for the processor,0v on pwron even when cbl/sat+0n keys are pressed to disable the protection mode.pls.. help
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lg arx8500 on and goes to stanby
this amp will switch on and go to stanby ,the switch mode power supply for power stage gives -30v and +30v and drop rapidly.i tried to google the service manual.
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sansui RZ 6900av
greets to all. i have 2 sansui sets that iam looking for servive manual,thnx in advance
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Re: LG 50PJ350 - No power (not clicking), let sit, then it's fine
hi i had the same set as above,but i replaced the y-sus board the set switched okay with a dark picture,but Vs 201 ,Va 55 as indicated on the board but -Vy was 209v instead of 200v when i tried to adjust it switched off .the y-sus is new board.
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com1 not working
hi, i have been using my ponyprog and self made programmer based on 5.1 zener diodes and 4148 diodes now my hardware is not working ,i want a drawing for ponyprog programmer based on diodes and zeners.
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Re: Samsung ps-50q7hd - No display or sound
visual test first and voltage testing.
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Re: Dell 3007wfp No Image
hi for the age of your monitor,just change the caps,they dont have to show a bulge.
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sansui rz9400av display "Protect"
i last fixed this amp with "protect" error msg,the driver transistor and a coplimentary power output transistors changed.
Yesterday i had sansui rz9500av with the same error msg,but to my suprice all power output stages,predriver and driver stages test ok,i need a method of reseting i tried pressing simultaneus buttons but no win.i also tried searching for the drawing pls help.
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Re: Samsung Syncmaster 245b problem
for banged and burnt power supply,after new parts been replaced i prefer to insert a 60w filament bulb in a fuse holder,then power on ,when all nomal the bulb will light for a second and switch off,but if on for ever look for a shorted component,that will save parts and time,good luck .
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Re: Sony amps with upc1298v or upc1342v
hi,i had same amp for repairs one upc 1298 was the culprit,even without removing the security i.c.i changed both 1298 chips the amp will work ok even with power output transistors removed but without full power.good luck
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