RCA TV worth trying to repair? - Electronic Circuits Projects Diagrams Free

mramos1 · 30th May 2007, 10:42 PM

My kids have a 23 or 25" RCA type. Low cost unit.

It stopped showing color. All is in black and white. The menus and the channel number in the corner are all in color, so I guess they are added in.

I am using CATV input. So the problem I am guess could be in that module there? I know a few of you guess are master TV guys.

Thanks. I can get the model number if needed. I would also say it is maybe 5-7 years old.

Sceadwian · 31st May 2007, 03:33 AM

Perhaps the colour burst crystal is bad? It's dirt cheap to replace even if it's still okay.

mneary · 31st May 2007, 05:35 AM

A "color" control (or menu item) turned all the way down?

zevon8 · 31st May 2007, 10:50 AM

There was an entire series of RCA chassis that had soldering issues. Caused a myriad of problems. See if yours falls into the number range:

http://www.repairfaq.org/sam/rcatune.htm

mramos1 · 31st May 2007, 11:37 AM

Thanks for the ideas.

Color burst should not be hard to find and I have some real old one somewhere.. Will check the RCA repair list as well.

And I did check color control. Tried changing the presets. It is something actually broken.

devenfore · 31st May 2007, 04:48 PM

(Maybe I read the question wrong, but...)

Does the TV pick up over-the-air signals in color or black and white? Are you using component cables to route the video signal to the box? Could just be a bad cable or connection.

Just thought I would state the simple. Hope it helps.

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30th May 2007, 10:42 PM	(permalink)
mramos1	RCA TV worth trying to repair? My kids have a 23 or 25" RCA type. Low cost unit. It stopped showing color. All is in black and white. The menus and the channel number in the corner are all in color, so I guess they are added in. I am using CATV input. So the problem I am guess could be in that module there? I know a few of you guess are master TV guys. Thanks. I can get the model number if needed. I would also say it is maybe 5-7 years old.

31st May 2007, 03:33 AM	(permalink)
Sceadwian	Perhaps the colour burst crystal is bad? It's dirt cheap to replace even if it's still okay. __________________ "Because I be what I be. I would tell you what you want to know if I could, mum, but I be a cat, and no cat anywhere ever gave anyone a straight answer, har har."

31st May 2007, 05:35 AM	(permalink)
mneary	A "color" control (or menu item) turned all the way down?

31st May 2007, 10:50 AM	(permalink)
zevon8	There was an entire series of RCA chassis that had soldering issues. Caused a myriad of problems. See if yours falls into the number range: http://www.repairfaq.org/sam/rcatune.htm

31st May 2007, 11:37 AM	(permalink)
mramos1	Thanks for the ideas. Color burst should not be hard to find and I have some real old one somewhere.. Will check the RCA repair list as well. And I did check color control. Tried changing the presets. It is something actually broken.

31st May 2007, 04:48 PM	(permalink)
devenfore	(Maybe I read the question wrong, but...) Does the TV pick up over-the-air signals in color or black and white? Are you using component cables to route the video signal to the box? Could just be a bad cable or connection. Just thought I would state the simple. Hope it helps.