|18-09-2006||electronics repairs help||Hi,
I`m attempting to test an electronic circuit. It is actually a resonant tank circuit.
Fortunately I have a few fully functional circuit boards which are exactly the same as the dead one.
I know that testing components **in circuit** sometimes|
The following is the service mode entry procedure for your television.
Turn the volume down, press the mute button once.
Then hold mute down and press menu on the front of the t.v.
The letter s will appear on your screen.
If you then press |
|18-09-2006||Not a bad idea & can be helpful in determining the faulty component. Prefer to have the actual schematic of the circuit, however when that is not the option, having a working board can be helpful. Better yet & if possible, try getting some volta|
|18-09-2006||If you don't know enough about the tv to understand the fundamentals of the power supply, you probably shouldn't try and fix it yourself. These things can be dangerous.|
|18-09-2006||check first if there are short diodes specially the bridge if none, check the switching regulator IC and o/c fusible resistor.|
|18-09-2006||thank you for your info,i have already check another shorted part transistor type diode -p5nb60 pf. after i replaced it and turned on the tv and it works.|
|18-09-2006||I doubt that you have problem located in your PSU section, based on my experienced , found mostly to all TV totally dead are the Switching Regulator IC and Power Transistors,open fusible resistor and shorted diodes.|
|18-09-2006||Thanks for your advice, I`m not terribly experienced yet. I do have the schematics too.
Though some of these are still difficult to fix,,if anyone knows anything about inverter boards........|
|18-09-2006||Metaldetectoc garrett ace 250||I need datasheets garrett ace 250.Price? :wink:
I'm currently looking for a laser for detecting flaws on the disc. The flaws are from 0.05mm in wide and up to several millimetres. I need a device that could measure the overall length of the flaws on the certain diameter of the disk. Does anybod|
|18-09-2006||hi-fi mc230e/22 schematic||Hi friends,
I'm searching for hi-fi philips MC230E/22 electronic schematic, or final power signature of the same because it's unreadable. thanks
|18-09-2006||i need cod , please help me||i need key cod at this radio-cass #VWZ1Z3Y9640331, is GAMMA.|
|18-09-2006||Re: Philips DVD712 Fault... No standby led. Player appears d||[quote:0b44dba830="UK_Woody"]Hi...
Does anyone have a diagram / or experience / or service manual for a Philips DVD 712 player? (/051 UK model)
I need to fix the switch mode PSU board. Symptoms are that it failed while watching a DVD last night. Now|
|18-09-2006||[quote:01deb7d12b="gary"]replace the internal memory backup battery, 1.2v or 2.4v depending on model.[/quote:01deb7d12b]
Today I opened my TV. The only thing that appears very close to backup battery is a two sectional yellow round item (like capacitor|
|18-09-2006||Renault Clio brake lights||Brake lights on my 96 Renault Clio won't work. Bulbs are fine, Switch under pedal is fine and fuse is fine! Anybody have experience with renault?? :!: :?:|
|18-09-2006||I have the same problem. Did you find a solution? Does someone have a repair manual or a schematic of this scope?|
|18-09-2006||﻿Problems of color in TV PHILIPS (CHASSIS MG2.1E)||Hello,
I need help.
I have a television Philips BlackLine (CHASSIS MG2.1E), with the following problem:
Some days ago when connecting the television, when an image of blue color appeared, the screen started to flash and there started to be rises |
|18-09-2006||Help me with the values of these resistors||I was working on a sharp television, model: 21L-SC and i found that resistors R612 and R617 were burnt beyond recognition. I will be very grateful if someone can kindly help me with these values.|
|18-09-2006||Nothing have this manual service to send or sell? :shock:|
|18-09-2006||sony str-de525: no display on reciever/no audio....help!||I found a blown fuse prt#1-532-749-11 after removing the lid (i had no display screen or sound)...i need schematics and a little more help trouble shooting so i can repair the problem..Im a fairly intelligent person and good with electronics...i beleave i|
|18-09-2006||Rotating turtable on 400 cd player||I have a Sony cdp cx 400 cd player. We had a power surge recently becase of a lightning strike in our area. The cd player rotates contiually when it's turned on and there is no reaction to it when other buttons are pressed. I have a service manually but u|
|18-09-2006||lg 28cz10rx dark patch on screen||Hi i have a LG 28" widescreen TV which is about 2.5 years old. It has already failed once outside warranty and it cost approx £120 to have a circuit replaced. Now the screen has started to darken in one corner so i figure another fault is loomin|
|18-09-2006||How fast is your computer, how fast is your internet connection and do you have any spyware installed on your computer?|
|18-09-2006||Lightning strike? Replace all of the IC's or put it in the bin.|
|18-09-2006||I am not sure of you receiver but usually if the outputs are not balanced, they will not switch the speakers on. Remove the outputs to the defective side and it may work with one channel. Better still, why not replace the defective transistors. If it is a|
|18-09-2006||How fast have you got it going?|
I know its a long time ago, but did you find out whats wrong with your reciver ?
I have a similar problem with mine, but it is on the right channel.
Could be the same problem...
|18-09-2006||Fix it?||do you have fix the problem now? l have same problem, please help|
|18-09-2006||Need timer relay for old Mustang||Hello all,
I need help locating a timer relay for my old 1968 Mustang. The original timer relays are obsolete, and I figure someone here might be able to help me locate a modern replacement. The timer relay powers a light on the dash which is a reminde|
|19-09-2006||naiko tv||i have a naiko n3280w tv. blue pic with flyback lines rv86&rv89 burnt out
replaced then when you turn on tv both resisters smoke pic comes on after 15min cd 250v 1uf explodes can anyone help|
|19-09-2006||I need service manual RICOH Aficio 551.||if someone have this manual please share it to me. Thanks lots!|
|19-09-2006||KLH 5100 resetting||Sounds like a bad relay switch. The unit is only worth $20-$25 in great shape so it shouldn't be too big of a loss. I've killed my remote for this unit if you decide to trash this one let me know. My e-mail is scasady at gmail dot com.
|19-09-2006||I need them too||Please send me too - if you have - the service manuals for Technics SA-160
|19-09-2006||need help: sony wega tv gone crazy||4 year old wega tv, model kv-24fs120, recently gone crazy --
a week ago: remote stopped working; on front panel, only power, volume up, volume down buttons worked, channel up/down probably worked also ("channel fixed" showed up when botton wa|
|19-09-2006||Grundig CUC6360||I have problem with Grundig ST770 TOP/LOG....The picture and sound are noisy in all TV stations. I have suspiction on tuner....|
|19-09-2006||google earth||thanks for replying Guest discovered i was having problem with my graphics card
reinstalled the driver and every thing is all right now
once again thanks for replying :wink:|
|19-09-2006||Unknown Capacitor||I'm looking for this capacitor, but all I have is what it looks like. Don't know the manufacturer or what exactly the p/n is. I believe it is a Radial Metalized Polyester Film Capacitor with two pins and yellow/orange color. Here is what it says:
|19-09-2006||Re: PX-42VM3G||[quote:1835e0f0f3="Paul S"]HI,
I'm looking for a service manual/schematic diagram for the 42" plasma NEC 42MP3 (PX-42VM3G).
The unit is mainly manufactured by origin electrical co in japan with a number of 42NH-PDP-4.
PSU board - origin elec|
|19-09-2006||Philips 21CT9953 Loses Memory Settings||My Philips 21CT9953, (I think it has a CTO-S chassis), has suddenly started to lose its memory (color, contrast, volume, programs) after it is switched off. Each time I turn it on now the picture is very dark & there is no volume, once I adjust all|
|19-09-2006||Tektronix 851 digital tester||Hi, Could anyone provide me the manual,service manual or schematic for the Tektronix 851 digital tester. I have searched the net but did't find any thing :(
|19-09-2006||Ok , I solder relay shut and power comes up. then smoke comes out on board,
What I do now?
Pleeez help!!!!!! :(|
|19-09-2006||Need Datsheet for Caraudio sony CDX-L550||im look this datasheet plz
sorry for me bad english im french
I would like to create entry IN
for this model of autoradio
it is envisaged, but it misses components (2,3resistance, condensers…)
is the question, is this possible to do it?
|19-09-2006||No picture, no sound||I have this Sony tv Model KV-32V40, when I plug in to the wall outlet the standby LED is flashing, but If i turn on the power button it has no picture or anything. What could be the problem of my tv?. Any idea? pls. help me.|
|19-09-2006||why relay? you should check first shorted components step by step like diodes and transistors, you have to resolder it so that you would knew if it is shorted.How about fusible resistor have you checked it already?|
|19-09-2006||Need Service Manual fujitsu-siemens amilo 1667||I need Service Manual of the laptop Fujitsu-Siemens Amylo A1667AG or A1667EX
Necesito manual de servicio del portatil Fujitsu Siemens Amilo A1667AG o A1667EX
Thanx / Gracias|
|19-09-2006||re: dead set||Its not easy to come up in tv troubleshooting. you have to learn first what are the basic troubleshooting, diagrams, component test and voltage measurement. first you have to check fuse, bridge diode in low voltage supply, regulators, horizontal output, f|
|19-09-2006||Re: JVC KD-G110 radio and Toyota corolla '01 user manual||[quote:d7ad03d35e="Question"]i need a JVC KD-G110 user manual and a Toyota Corolla '01 owners' manual. some1 help plz.[/quote:d7ad03d35e]|
|19-09-2006||signal board||I am looking for a board for my Mitsubishi VS4506R.
I need a signal board if anyone has one to spare. I have narred my problem down to R791, R792, R793 and IC710. The IC is a regualtor. The resistors got hot enough to burn the circuit board and melt|
|19-09-2006||36in Hitachi 36UX59B||I have 36in hitachi. It will not power up. You can hear it click on and then off again. Flyback or the HOT??|
|19-09-2006||I agree with rollydevenecia`s comment ,if you are not familiar how to test electronics parts,dont do it bec. you will damage some expensive parts on your TV set.|
|19-09-2006||search service manual in zarekmanuals.com|