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Toki line test - Digital Salade Toki LineTest HD

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Phone (base and both handsets) rings once, then only a dial tone. People calling said they only heard one ring, then nothing. On the handset, there is a ringer symbol with a line through it when this...


This is likely caused by a trouble from the service provider. It is caused by a partial short on the phone line. The service provider can usually test the line remotely when you call the trouble in. Occasionally this problem is caused by faulty equipment(phone, answer machine, modem, etc.), bad line cord, bad outlet or bad building wiring. Inside the outside telephone interface box there is a modular test jack that has a short line cord connected. Remove this line cord and connect a standard telephone to test the phone line. Make a call to your number, if the problem occurs with the phone connected to the test jack, then the problem is with the service provider. If the problem does not occur with the phone connected to the test jack then the problem is in the building wiring, outlets, line cords or devices connected. Use a process of elimination to determine where the problem is. Example: disconnect all phones and devices and line cords, make test call with one phone connected, if problem continues inspect outlets and wiring.

Dec 29, 2010 | Panasonic Lands Phones

Tip

How to test an LCD TV or monitor PSU and inverter


Hi.

Before proceeding I assume you have technical training along with the multimeter. A full testing must be done with power on, and for safety reason must not be done by an untrained user.

The tip contains only general indications. The reader is supposed to have the training to apply in practice the testing method below.

If there is no power at all, then the responsible is almost always the PSU.

When there is no power, test AC in to PSU. If there is no AC in (read volts, or read ohms on power cable), that means that the power cord must be replaced.

If there is AC in, then test the PSU section near to AC input. You always find a resistor or a fuse in there . Check if it has blown.
After that you test the rest of PSU component. If there is no power at all , and problem is not power cord, it is often possible to spot at a glance a leaky or bulged capacitor.

If there is power, but the monitor stays in standby, then te PSU is forced to low voltage only by controller board. This happens when a fault had been detected.

In this case testing the PSU becomes more complicate. The technician must locate the control lines from controller board. This control lines operate at lower PSU voltage (often +5V), and turn on higher voltages on PSU board.

The inverter may use for example a +20V line from PSU. The +20V line is turned on by the controller board, closing a +5V control line to PSU. When PSU is in standby mode, the technician testing the PSU must bridge the +5V line with the PSU low +5V circuit, and test if the +20V line to the inverter gets turned on.

As explained this kind of test must not be done by the unexperienced user, as the chance to waste the unit beyond repair is high, and there are also many safety concerns.

After testing the PSU, next part to test will be the inverter board.

The inverter is tested reading DC voltage in from controller board, and AC out to back light system.
The inverter is an high voltage board, remember, safety first when testing AC circuit.

If the inverter has no DC from controller, then test PSU, if PSU is OK, and inverter has still no DC in when PSU line to inverter is on, then replace controller board.
If the inverter has DC in, and no AC out, then replace the inverter.
If the inverter has DC in and AC out when higher DC voltage to inverter is turned on, then test at component level the main controller board, and if present test LCD controller.

Regards.

on Mar 03, 2010 | Televison & Video

1 Answer

Tried to connect SE6581B/17 but it does not ring.But able to make call through it.when another phone is connected it rings once thn no ring.


This sounds like "trip and ring" usually this trouble is from the service provider, but could be caused by a slight short in the phone, line cord, outlet, or building wiring. If this is a landline, it can be tested from the outside interface box. Open the customer side of the box with a screw driver, inside there is a modular connection with a short line cord connected. Remove the line cord from the modular connection, connect a standard single line telephone to the modular connection. This test jack connects the phone to the phone line and isolates it from the building wiring. Test incoming calls with the phone connected to the test jack, if the problem still occurs, the problem is from the service provider. If there is no problem at the test jack then the problem is in the building.

Dec 14, 2010 | Philips SE6581B/17 1-Line Corded Phone

2 Answers

Ice maker shooting water along wall of freezer


Hi...

You need to check this

Regards
PCmania

Jul 08, 2009 | U-Line CO2075F-B Echelon Refrigerator Ice...

1 Answer

TOF moves


check your paper settings. the problem comming from incorrect paper settings.

Jan 26, 2009 | Tally T2340/24 Matrix Printer

1 Answer

Self test


not sure but if when you lift the handset do you get a dialing tone? if not usually cheaper to buy a new fax maybe the modem is faulty

Dec 01, 2008 | Samsung SF-340 Plain Paper Inkjet Fax

1 Answer

There is no power


check te switch wether its work...... or check your connection 15pin all the pins are in place if that okay its need to go into the main board

thanks

toki

Nov 20, 2008 | Logitech Z-640 Computer Speakers

1 Answer

Cannot send & receive fax messages


Your telephone line may have degraded.. It's quite common really, where moisture gets into the telecom cables.. Have you had a lot of rain lately? The telecom company can do a line test from the telephone exchange, if you request it.. But not always easy to arrange :-) - If you have the test done, you might have to remove all other extension lines off your main incoming line just for the test period.. Anyway, one test you can do yourself is to remove all other extensions off the line & move your fax machine to the main socket & plug it in there.. It might prove whether another telephone is causing a load problem.. Also, have you noticed a difference in the quality of voice over your telephone/s lately? Might be an electrical/electronic fault in one of the phones.. Have you purchased or installed any new phones or lines or modems lately? Maybe move the fax to the neighbors or a friends place, just for testing.. This will prove if it's the device or the line. Rgds,

Jun 12, 2008 | Brother MFC-5840CN All-In-One InkJet...

1 Answer

Not sending fax


Plug a phone into that line and see what happens. Let me know what happens. Plug the phone into the line that goes into the fax machine. Make sure it works and is clear. No static or noise.

Apr 04, 2008 | Samsung SF-330 Plain Paper Inkjet Fax

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