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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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RCA tv 36" color problem
This is Turtle.
I was over at alt.home.repair and some fellows over there said this was the place where all the brains was hiding out on repair of electronics equipment. I have a RCA tv Model # 36668 / serial # 049622039 / Chassis # CTC-203CA5 and about 3 or 4 years old. The problem is the picture will not show light enough to see tv views at nite at all. The faces will not show up if it is dark time when viewing the picture. I've tried britting up the picture but it just stays too dark to see the pictures at nite time on the shows. When there is game show on it , it shows up good because of all the lites in the show room where they are but start watching a show of people in dark area, You just can't see their faces well at all. This started about a week ago and has staied the same everysince. I really need to know is to bring it to a shop about 40 miles away and wait a week to see what is wrong with it and be told to buy a new one. If I knew it could be fixed for couple hundred dollars i would wait a week and have it repaired. What i don't want to do is wait a week and not have TV for a week to find out. It can't be fixied and to buy a new one. I think I give $700 something for it and did not want to spend $700 something repairing it. I don't mine waiting if this is a repairiable problem for say $200.00 or $300.00 but not a $700.00 problem. I'm in the HVAC business and answer question over at alt.hvac and hope you guys will answer my question here. I don't mine spending the time and money fooling with it if this is a repairiable problem. I can let my brother in law work on it but he has let the smoke out of the last two that I let him work on. After he let the smoke out of it . It never worked again. You just can let the Smoke out of them at all and still work again. If you'll could give me a good ideal of this problem . i would thank you very much. TURTLE |
#2
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RCA tv 36" color problem
First: What voltages do you have at the crt and video output devices?
Second: Are you familiar enough to know what not to touch when inside a tele? Third: Do you have any idea how to access the service menu if required? Initially it would be wise to post any voltage measurements and parametres that you have checked. Then expect appropiate responses. What you have done is posted the make, chassis number, and serial number of your specific item. Then you go on and describe a symptom what may be due to minor required adjustments or may be due to other faults. Then you start ranting about not wanting to have the unit serviced! Please: if you are not competent enough to add the required information then take the set into the a qualified service shop, have an estimate given to you, and make a decision regarding the information you have been supplied. Not to slam you but for us to assist you in a qualified way we need the pertinent information. "TURTLE" wrote in message ... This is Turtle. I was over at alt.home.repair and some fellows over there said this was the place where all the brains was hiding out on repair of electronics equipment. I have a RCA tv Model # 36668 / serial # 049622039 / Chassis # CTC-203CA5 and about 3 or 4 years old. The problem is the picture will not show light enough to see tv views at nite at all. The faces will not show up if it is dark time when viewing the picture. I've tried britting up the picture but it just stays too dark to see the pictures at nite time on the shows. When there is game show on it , it shows up good because of all the lites in the show room where they are but start watching a show of people in dark area, You just can't see their faces well at all. This started about a week ago and has staied the same everysince. I really need to know is to bring it to a shop about 40 miles away and wait a week to see what is wrong with it and be told to buy a new one. If I knew it could be fixed for couple hundred dollars i would wait a week and have it repaired. What i don't want to do is wait a week and not have TV for a week to find out. It can't be fixied and to buy a new one. I think I give $700 something for it and did not want to spend $700 something repairing it. I don't mine waiting if this is a repairiable problem for say $200.00 or $300.00 but not a $700.00 problem. I'm in the HVAC business and answer question over at alt.hvac and hope you guys will answer my question here. I don't mine spending the time and money fooling with it if this is a repairiable problem. I can let my brother in law work on it but he has let the smoke out of the last two that I let him work on. After he let the smoke out of it . It never worked again. You just can let the Smoke out of them at all and still work again. If you'll could give me a good ideal of this problem . i would thank you very much. TURTLE |
#3
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RCA tv 36" color problem
On Tue, 2 Sep 2003 05:34:15 -0400, "Arthur Jernberg"
wrote: Turtle is a HVAC guy who resides at alt.hvac, he's fine. I lurk there because I enjoy reading their discussions. Now on this RCA 36" TV. This is also my RCA area as well. Dim picture mean anything but if it is pretty high hours on it tube itself is dying. Usually tinted purplish or greenish if it's good grey scale and still sharp then CRT is still good. The serial # in that RCA, first digit is year. "0" means it is 2000, I guess April bec of 4. Too young to condemn, consider it fixing. Snip! "TURTLE" wrote in message ... This is Turtle. I have a RCA tv Model # 36668 / serial # 049622039 / Chassis # CTC-203CA5 Nice chassis, CTC203A5. :-) Get it fixed! Total cost if you and a buddy carry it in, that tv is heavier than an Janiratol! (sp?) should cost about 250 or less total (parts & labor). 700 is wild guess and way out of line. :-) Like you have made a estimate to HVAC customers, the tv tech does this same way and spot the problem, and give a estimate. Also tech will let you know how healthy the tube is. Oh, be easy on that Turtle, the HVAC season is busier than before. Oh, make a note to pass to tech to look for glue on the coil location: L14401, if glue present, tech must remove that coil and clean all glue off including that hole wire goes through. TV is digital controlled and have to be adjusted via service menu except the external focus and screen on back of (flyback) high voltage transformer. This is one you can try: Need plastic allen or plastic small flat blade screwdriver to fit these. Focus is top, bottom is the screen that set the overall brightness. Before adjusting, go in menu: press menu once, select picture quality, I think number 4, press 2 for "preset..", press 2 again to select normal. Back out by pressing zero repeatedly. It may ask you to save new settings, select yes. If screen is adjusted too bright, picture look lousy (washed out) the blacks will light up (becomes grey, or visible lines) this means you have actual fault that prevents you to get decent pix, that when it is time to take it in for repair. Cheers, Wizard |
#4
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RCA tv 36" color problem
"Jason D." wrote in message ... On Tue, 2 Sep 2003 05:34:15 -0400, "Arthur Jernberg" wrote: Turtle is a HVAC guy who resides at alt.hvac, he's fine. I lurk there because I enjoy reading their discussions. Now on this RCA 36" TV. This is also my RCA area as well. Dim picture mean anything but if it is pretty high hours on it tube itself is dying. Usually tinted purplish or greenish if it's good grey scale and still sharp then CRT is still good. The serial # in that RCA, first digit is year. "0" means it is 2000, I guess April bec of 4. Too young to condemn, consider it fixing. Snip! "TURTLE" wrote in message ... This is Turtle. I have a RCA tv Model # 36668 / serial # 049622039 / Chassis # CTC-203CA5 Nice chassis, CTC203A5. :-) Get it fixed! Total cost if you and a buddy carry it in, that tv is heavier than an Janiratol! (sp?) should cost about 250 or less total (parts & labor). 700 is wild guess and way out of line. :-) Like you have made a estimate to HVAC customers, the tv tech does this same way and spot the problem, and give a estimate. Also tech will let you know how healthy the tube is. Oh, be easy on that Turtle, the HVAC season is busier than before. Oh, make a note to pass to tech to look for glue on the coil location: L14401, if glue present, tech must remove that coil and clean all glue off including that hole wire goes through. TV is digital controlled and have to be adjusted via service menu except the external focus and screen on back of (flyback) high voltage transformer. This is one you can try: Need plastic allen or plastic small flat blade screwdriver to fit these. Focus is top, bottom is the screen that set the overall brightness. Before adjusting, go in menu: press menu once, select picture quality, I think number 4, press 2 for "preset..", press 2 again to select normal. Back out by pressing zero repeatedly. It may ask you to save new settings, select yes. If screen is adjusted too bright, picture look lousy (washed out) the blacks will light up (becomes grey, or visible lines) this means you have actual fault that prevents you to get decent pix, that when it is time to take it in for repair. Cheers, Wizard This is Turtle. You had spoken about high number of hours on the tube causing the tube to go bad. The TV is turned on at 7:00 am and stays on till 11:00 or 12:00 at nite 7 days a week . Like you said it is a 2000 model so it has run like this eversince this time. Does This make the thought of a heavy run time on the tv 7 days a week 17 hours a day for 3 years? Now if heavy use is not into play here , we will move to the below statement. I will try the setting of brightnest and look at it but what we are talking here on repairing it is not a major fix and cost less than $300.00. Is this true? TURTLE |
#5
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RCA tv 36" color problem
Turtle, It could be as simple as an adjustment. There are the 2 adjustments on
the rear of the set labled "S" and "F", they are black and shaped just like AV jacks. I can't even count how many CTC203s have come in where people have inadvertently tried to plug audio/video equipment into these adjustments causing too bright or too dark picture. Try putting a screwdriver in the lower "S" adjustment and turn it up a little. Ron |
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RCA tv 36" color problem
On Wed, 3 Sep 2003 10:56:11 -0500, "TURTLE"
wrote: "Jason D." wrote in message ... On Tue, 2 Sep 2003 05:34:15 -0400, "Arthur Jernberg" The serial # in that RCA, first digit is year. "0" means it is 2000, I guess April bec of 4. Too young to condemn, consider it fixing. You had spoken about high number of hours on the tube causing the tube to go bad. The TV is turned on at 7:00 am and stays on till 11:00 or 12:00 at nite 7 days a week . Like you said it is a 2000 model so it has run like this eversince this time. Does This make the thought of a heavy run time on the tv 7 days a week 17 hours a day for 3 years? Appox 6,000 hours, not too terribly. I have seen RCA made tubes go well over 6 to 8 years. I even just fixed an 18 year old RCA console with great picture. Depends how tv was set up if tv was in a shaded room without direct sunlight, tube should last long time if not overdriven (so bright). Sometimes picture get deaker casued by a fault or needs a bit of adjustment to account for tube wear. The tech can check for that. I suggest no big store like dealer, try the shop who is authorized for RCA stuff and who repairs for bunch of stores (contract & warrenty). Now if heavy use is not into play here , we will move to the below statement. I will try the setting of brightnest and look at it but what we are talking here on repairing it is not a major fix and cost less than $300.00. Is this true? Yes, this is true because this may involves some minor parts if needed since the major parts like tube, flyback transformer this part that generates high voltages to power tube are still working, etc. $300 still can cover cost of new pricy part like flyback (appox 80 retail to customer.) if it comes to that. 700 is way over and nobody will OK that. User adjustment is there in that menu, and you can access the focus (top) & screen (bottom) on back of tv without opening that tv. Reset the user controls for picture quality first by selecting normal defaults before adjusting that screen pot on the flyback. Adjust screen pot till raster diappears then adjust beyond that a touch. Raster is scan lines that you can see on black picture if screen is too high, do it with bit dim lights so you can see that easier. TURTLE Cheers, Wizard |
#7
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RCA tv 36" color problem
"RonKZ650" wrote in message ... Turtle, It could be as simple as an adjustment. There are the 2 adjustments on the rear of the set labled "S" and "F", they are black and shaped just like AV jacks. I can't even count how many CTC203s have come in where people have inadvertently tried to plug audio/video equipment into these adjustments causing too bright or too dark picture. Try putting a screwdriver in the lower "S" adjustment and turn it up a little. Ron This is Turtle. Thanks there. i will look into the adjusting you spec'ed out here for it is on the outside of the cover. I work on 150 ton Air Conditioning Computorized controlled Gas Rooftop package units and feel right at home. When I'm inside a TV , I'm a fish out of water. Thanks TURTLE |
#8
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RCA tv 36" color problem
"Jason D." wrote in message ... On Wed, 3 Sep 2003 10:56:11 -0500, "TURTLE" wrote: "Jason D." wrote in message ... On Tue, 2 Sep 2003 05:34:15 -0400, "Arthur Jernberg" The serial # in that RCA, first digit is year. "0" means it is 2000, I guess April bec of 4. Too young to condemn, consider it fixing. You had spoken about high number of hours on the tube causing the tube to go bad. The TV is turned on at 7:00 am and stays on till 11:00 or 12:00 at nite 7 days a week . Like you said it is a 2000 model so it has run like this eversince this time. Does This make the thought of a heavy run time on the tv 7 days a week 17 hours a day for 3 years? Appox 6,000 hours, not too terribly. I have seen RCA made tubes go well over 6 to 8 years. I even just fixed an 18 year old RCA console with great picture. Depends how tv was set up if tv was in a shaded room without direct sunlight, tube should last long time if not overdriven (so bright). Sometimes picture get deaker casued by a fault or needs a bit of adjustment to account for tube wear. The tech can check for that. I suggest no big store like dealer, try the shop who is authorized for RCA stuff and who repairs for bunch of stores (contract & warrenty). Now if heavy use is not into play here , we will move to the below statement. I will try the setting of brightnest and look at it but what we are talking here on repairing it is not a major fix and cost less than $300.00. Is this true? Yes, this is true because this may involves some minor parts if needed since the major parts like tube, flyback transformer this part that generates high voltages to power tube are still working, etc. $300 still can cover cost of new pricy part like flyback (appox 80 retail to customer.) if it comes to that. 700 is way over and nobody will OK that. User adjustment is there in that menu, and you can access the focus (top) & screen (bottom) on back of tv without opening that tv. Reset the user controls for picture quality first by selecting normal defaults before adjusting that screen pot on the flyback. Adjust screen pot till raster diappears then adjust beyond that a touch. Raster is scan lines that you can see on black picture if screen is too high, do it with bit dim lights so you can see that easier. TURTLE Cheers, Wizard This is Turtle. So you say 6,000 hours is not to bad of run time if kept out of sun light. It is out of sunlight all the time in the Den. this area never get direct sun light throught the window at all. I will reset it to default and see to the adjustiment you stated here and what RonK650 said too. I sure Thank you here and will let you know the results. TURTLE |
#9
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RCA tv 36" color problem
"TURTLE" wrote in message ... This is Turtle. I was over at alt.home.repair and some fellows over there said this was the place where all the brains was hiding out on repair of electronics equipment. I have a RCA tv Model # 36668 / serial # 049622039 / Chassis # CTC-203CA5 and about 3 or 4 years old. The problem is the picture will not show light enough to see tv views at nite at all. The faces will not show up if it is dark time when viewing the picture. I've tried britting up the picture but it just stays too dark to see the pictures at nite time on the shows. When there is game show on it , it shows up good because of all the lites in the show room where they are but start watching a show of people in dark area, You just can't see their faces well at all. This started about a week ago and has staied the same everysince. I really need to know is to bring it to a shop about 40 miles away and wait a week to see what is wrong with it and be told to buy a new one. If I knew it could be fixed for couple hundred dollars i would wait a week and have it repaired. What i don't want to do is wait a week and not have TV for a week to find out. It can't be fixied and to buy a new one. I think I give $700 something for it and did not want to spend $700 something repairing it. I don't mine waiting if this is a repairiable problem for say $200.00 or $300.00 but not a $700.00 problem. I'm in the HVAC business and answer question over at alt.hvac and hope you guys will answer my question here. I don't mine spending the time and money fooling with it if this is a repairiable problem. I can let my brother in law work on it but he has let the smoke out of the last two that I let him work on. After he let the smoke out of it . It never worked again. You just can let the Smoke out of them at all and still work again. If you'll could give me a good ideal of this problem . i would thank you very much. TURTLE This is Turtle again. I took the advice of Jason D. , Ronk650, and Greyhound and took out my trusty screw driver and turn the S screw 1/4 of a turn and picture became very good and pretty as can be. I would like to say Thank you all very much and if you need any words / advice on Air conditioning or refrigeration from 1/8 of a ton to 150 tons please e-mail me and I will be happy to discuss it with you. Thank you again. TURTLE |
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RCA tv 36" color problem
This is Turtle again.
I took the advice of Jason D. , Ronk650, and Greyhound and took out my trusty screw driver and turn the S screw 1/4 of a turn and picture became very good and pretty as can be. I would like to say Thank you all very much and if you need any words / advice on Air conditioning or refrigeration from 1/8 of a ton to 150 tons please e-mail me and I will be happy to discuss it with you. Thank you again. TURTLE You're welcome! 1/4 turn? That's lot, usually less but if that rocks your boat, then that's fine. That "S" is screen pot, it has resistive network that screen taps off this contact which moves along a strip of resistor powered by a voltage to give varible voltages much like audio volume knob. Same with focus. Cheers, Wizard |
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RCA tv 36" color problem
"Jason D." wrote in message ... This is Turtle again. I took the advice of Jason D. , Ronk650, and Greyhound and took out my trusty screw driver and turn the S screw 1/4 of a turn and picture became very good and pretty as can be. I would like to say Thank you all very much and if you need any words / advice on Air conditioning or refrigeration from 1/8 of a ton to 150 tons please e-mail me and I will be happy to discuss it with you. Thank you again. TURTLE You're welcome! 1/4 turn? That's lot, usually less but if that rocks your boat, then that's fine. That "S" is screen pot, it has resistive network that screen taps off this contact which moves along a strip of resistor powered by a voltage to give varible voltages much like audio volume knob. Same with focus. Cheers, Wizard This is Turtle. It might be the theory of someone sticking plugs in the S hole for they moved the TV about this time we started having this trouble. we have a DVD Player, Vidio Player, Surround Sound System, Stereo system hooked / + 2 more speaker to it, and Cable buster too. They was putting plugs everywhere for a hour tring to get it hooked back up when they moved it. I think the S screw got move in the tring of the plugs when moving it. Thanks Again. TURTLE |
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