I dont know the recommended way but this is what I did.
Make a screw diagram of the bottom.
Find a work space were your least likely to loose those little screws.
Remove all of screws from the bottom including 1 hidden under the bottom right rubber pad and one behind the battery. Plus 1 or 2 more under the cpu/fan cover (bottom opposite of the power jack side) Place them on the diagram location so you get them back in the right place.
Then pull off the mouse panel by pulling up on the front and sliding it away from the comp. It wont come off completely unless you unplug it I just let it hang.
Next move keyboard toward the mouse pad then up and there is another screw there (possibly hidden under tape)
Remove the cd drive.
I only pride the case open a little to do the board change.
It was a while ago so I might be off a bit and you might not have to all steps like the cd drive. I was learning as I went. Careful everything is reseated properly before putting it back together including the usb jack which came out on me while i was working.
a 6ya Technician can help you resolve that issue over the phone in a minute or two.
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the problem is probably your main power board.. these can be replaced by yourself.. find the model no and then enquire about a replacement board ..I have had similar problem tv repairman wanted $500+ to fix board only cost $134..make sure to disconnect power supply ..undo all the screws around back of case including wall mount and base follow power lead entry into case do not touch any circuitry as some capacitors store power disconnect the little plugs that run from the boardundo the 4 screws and replace with purchased replacement board and re assemble..
Most times a break in the wiring is not visible and can occur inside only one wire in the mains power cord several centimeters from the power appliance. The first thing to ascertain is whether there is continuity between the plug pins to the junction. You will need to use a polarity tester. If you don't have a multi-meter you can use a small battery and torch bulb and run them in parallel. Test both the positive and negative wires. If one wire fails to provide continuity then rewiring will solve your problem.
1) test the power cord for break or ope 2)see if the c.breaker are tripped or blown fuse 3) see the vacuum has reset switch do it 4) Power button defective or open 5) switch inside defective or open repair or replace 6) Motor defective. see basic diagram God bless you
your LCD monitor has a defective cathode driver inside, it will shut down your monitor when it has short circuit or has defective cathode bulb. you have to open your LCD case to see the circuit .you need screw driver set plus and negative to open the case. if your have knowledge in troubleshooting you can check the circuit if it has a short or defective part at the cathode driver, it has two small transformer that supplying the 2 or 4cathode tube in upper and lower screen of lcd
Relax. Check the cord if it is connected properly. It might be that the plug is loosed, some wires are open or the outlet is defective. Try to plug to other outlet. If the problem persists. Look at the power diode if it is off the power supply is defective. Listen to the fan in the power supply inside the casing if it is working. If it is not, then the fuse is busted. If you can take the busted fuse out then ok otherwise, you the service of the technician. If you have AVR connected to it, check the AVR if it is working, check if the switch is on, the lights on etc, same thing also with UPS. Contact me then if the solutions are not working.
Check for power in the plug to the main switch. In most cases the long wires break or damage affter prolonged use. If the switch activate power then check power tilll motor. If so the motor is defective and might be though of for estimation of cost. Look out also for a load trip switch.
If motor brushes are bad clean and set but if winding is open you need to estimate.
Resetting the TV If the buttons on the remote AND the buttons on the TV case do not work (channels do not change and you cannot open or navigate the menu), the TV has stopped responding. Reset the TV as follows:
NOTE: Some TVs have a reset button. If available and accessible, try using the reset buttons before using the steps below. Using the reset buttons can save time. 1. Unplug the TV power cord from the power outlet. 2. Unplug any connected devices (DVD, Set-top boxes, etc...) 3. Press and hold the TV power button for five seconds. 4. Plug the TV power cord back into the power outlet and turn on the TV. 5. Open the on-screen menu to confirm that the TV is responding again. 6. Turn off the TV and reconnect the devices. 7. Turn on the TV.
LCD TV TroubleshootingThe defective LCD TV may have the following common symptoms:
Symptom: No picture on screen but LCD TV still has sound. Solutions: The problem is cause by defective inverter. Replacing ivnerter will solve hte problem. Symptom: Screen flash on and off between 1/2 to a few seconds, but power indicate light stays on and TV still has sound. Solutions: The problem is cause by defective inverter. Symptom: Blue Screen but no picture Solutions: The problem is cause by defective Main Board(AD Board). In some cases, this problem may cause by the defective Screen Controller board. Thsi board is mounting on teh back of LCD TV Scree. Symptom: Power light stays on but no display and sound Solutions: The problem is cause by defective Main Board(AD Board) or Power supply board. Symptom: No Power or Power indicate light does not lits Solutions: The problem could cause either by defective Power supply board or defective Main Board(AD Board). Symptom: Screen is half dim and half bright Solutions: The problem is cause by defective LCD Panel.It needs to be replace.
You should open up the case and makesure it is still plugged in. If so look in the local phone book for a pc repair shop. They should keep items like that in stock. You can probably just buy one for maybe $10 and put it in yourself.
Open the rear panel and check with a multi-meter if the heater get power (as per program's sequence).
In case it get power and doesn't heat - you should replace the heater.
In case it doesn't get power :
- Check for a disconnected wire.
- Check that the water level switch work properly.
- Check the thermistor.
If the level switch or the thermistor are defective,it will prevent power to the Timer. Defective part should be replaced.
In case they are OK, the problem is with the timer.
Good luck !!