Question about Sony FD Trinitron WEGA KV-36HS510 36" TV

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Thanks You were rignt on about the rough ride. I did not think it had a rough one, but found a crack on the main PCB. Fix it with a little solder. Working great. Thanks again

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Awesome, glad to help. IT is a common thing to happen. They just don't build em like they used to. The boards are getting thinner, the mountings are getting less, and the casings are getting more flexible. Good on YOU for fixing it. :)

Posted on Apr 26, 2008

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Model Sydney RCM 128=LCD only showing the lower half of letters / numbers on the Display Panel. Can this be corrected to show the full letters/numbers.


These problems can be the result of a bad chip (integrated circuit) on the display board or controller or a simple loose connection. Loose connections happen mostly in mobile applications due to vibrations, bumps, etc. Almost everything can be repaired - but often it is simply not worth the expense. You may be able to make a repair to a loose connection on your own if you have some soldering skills.


steve_con_67.jpg
"Before" shows a small crack around the post. The component on the other side was disturbed before the solder at the bottom cooled completely, resulting in a cold solder joint. Adding a small amount of solder repairs the joint to "After".

The first thing to do is determine if there is a loose connection or "cold solder" joint as shown above. Only attempt this if the radio is a mobile radio - or otherwise powered with less than 30 volts or so. Base radios (connected to your home's AC mains) should be brought in for professional service instead. First, check for a loose connection while powered up by attempting to slightly move the display. Apply pressure to the top, bottom, left and then right side. Watch closely for an indication of the bottom segments of the LCD turning on. Next, open your radio to access the display PCB. Duplicate the movement if it turned on the display, again. Look at the areas that connect the display PCB to other parts with solder. Try to find the places that expose a crack while moving the display. If none are found, look for the location(s) that are stressed when the display is manipulated. If the display is not turning on at all, look for cracks on the PCB associated with the display. You may need to try to get some movement of this PCB(s) to get the display to flicker on and off. It is very important to keep fingers and tools away from the small coils of wire on the PCB(s). The slightest deflection of the coil can cause major problems for the radio and the operator if it transmits out of the intended band. If you can not get the display to flicker on and off, there is probably a component that has failed. This will require pro service to locate and correct. Likewise, if you are unable to determine the soldered point(s) that when moved, cause the display to flicker, or are uncomfortable soldering small parts, etc. you should bring the radio in for pro service.

If you decide to attempt a repair, a small, 15 to 30 watt iron is maximum size to be used. Gently heat the suspect solder joint(s) to restore the connectivity to the display PCB. If you located a cracked PCB, the silver "traces" on both sides of the crack will need to be joined. Sometimes, a small blurb of solder can bridge the crack, other times a length of wire is needed to do the job. Use only as much heat is required to melt the solder. Too much heat will damage the PCB and / or components on the PCB. When done, carefully inspect your work. Look for accidentally "bridged" connections, as shown in the red circle in the image below:

steve_con_66.jpg

You may need to solder wick or solder vacuum bulb to clear these bridges. Check your work twice and reassemble to test.

I hope this helps and good luck! Please rate my reply. Thanks.

May 31, 2011 | Radio Communications

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Ford explorer odometer fix


if your odometer will not light up or it comes on and off them you most likely have a cold solder joint and can be fix with basic soldering skills a soldering iron and solder.

Remove your instrument cluster and check the solder joints on the back of the cluster main board. You may have to flex the board to see the cracks in the solder. i have found the main connector soldering joints to be cracked for the display it self. any in question re solder while you are there.

simple cheap fix and not very time consuming at all.

on Dec 12, 2009 | Ford Explorer Cars & Trucks

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Ford experdition odometer not working fix


if your odometer will not light up or it comes on and off them you most likely have a cold solder joint and can be fix with basic soldering skills a soldering iron and solder.

Remove your instrument cluster and check the solder joints on the back of the cluster main board. You may have to flex the board to see the cracks in the solder. i have found the main connector soldering joints to be cracked for the display it self. any in question re solder while you are there.

simple cheap fix and not very time consuming at all.

on Dec 12, 2009 | Ford Expedition Cars & Trucks

2 Answers

I got a Dyson DC16 handheld cordless. Nothing happens when I press the trigger. When I take the canister off, I try and move the black "fan" thing but it won't budge. Should It move? How do I get the motor...


hi you have to take all the switch to bits which allows the cable to be free so you can get the motor out which is still tricky but i dont think this is the problem i think this dyson is a bad design its got printed circuits in that could be the problem i think mr dyson want to go back to the drawing room with this one. p.s ive got two they start up when they feel like it.

Mar 27, 2010 | Dyson DC16 Root 6 Bagless Handheld...

1 Answer

2000 jeep wrangler 2.5 engine, when I came to idle the check dash gauges came on , I lost pressure on the oil gauge it went to 0. the gas gauge went to empty when I reved the engine everything went back to...


i have found a fix that will be easy and cheap if you have soldering skills and a soldering iron. this will also fix your gauges from not responding or not working.

Remove your instrument cluster and check the solder joints on the back of the cluster main board. You may have to flex the board to see the cracks in the solder. i have found the main connector soldering joints to be cracked. more common is the bottom row all the way to the right pin. you will need to remove the board off the plastic cluster housing and flip it over.

look for the two rows of pins that are for the red plugs main connector. check them very well and re solder any in question.

Dec 25, 2009 | Jeep Wrangler Cars & Trucks

Tip

Dodge and chysler caravan gauges not working or bouncing


this is a communication ccd error code from pcm to transmission.

i have found a fix that will be easy and cheap if you have soldering skills and a soldering iron. this will also fix your gauges from not responding or not working.

Remove your instrument cluster and check the solder joints on the back of the cluster main board. You may have to flex the board to see the cracks in the solder. i have found the main connector soldering joints to be cracked. more common is the bottom row all the way to the right pin. you will need to remove the board off the plastic cluster housing and flip it over.

look for the two rows of pins that are for the red plugs main connector. check them very well and re solder any in question.

on Dec 12, 2009 | Dodge Caravan Cars & Trucks

Tip

Dodge and chrysler caravan code p1698 fix


this is a communication ccd error code from pcm to transmission.

i have found a fix that will be easy and cheap if you have soldering skills and a soldering iron. this will also fix your gauges from not responding or not working.

Remove your instrument cluster and check the solder joints on the back of the cluster main board. You may have to flex the board to see the cracks in the solder. i have found the main connector soldering joints to be cracked. more common is the bottom row all the way to the right pin. you will need to remove the board off the plastic cluster housing and flip it over.

look for the two rows of pins that are for the red plugs main connector. check them very well and re solder any in question.


on Dec 12, 2009 | Dodge Grand Caravan Cars & Trucks

1 Answer

Menu butoon of 6170 is not working


for your info, keypad ic for nokia 6170 fix to near of angle p.c.board assy, if you have drop before, as my experience before, i found so many keypad ic crack. if you see that sim ic likes chip off or crack on top of surface, change it with new one. This ic got 24 like solder ball bottom of ic, make sure all of solder ball joint to surface of pcb.

May 19, 2009 | Nokia 6170

1 Answer

Philips TV Model 32DW6557/05 Screen Problem


hi it sounds like a capacitor in the verticle circuit located on the main board. it is near the verticle ic. the verticle ic also could be bad the cost is around 85 dollars for a tv shop to fix. sometime a cold joint could be found around vert ic. a soldering iron is required with solder.tap the side of tv if picture comes back it is just cold solder joint.

thanks Doctor video

Apr 25, 2008 | Televison & Video

1 Answer

No red color on screen


sounds like you cracked the printed cuircut board on the crt drive board or in the video cuircut.. If you know how to solder look very carfully with thw set unpluged for crack on the crt pcb or the main board then scratch off the paint on the little pc traces on both sides of the crack and solder a wire across the trace

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