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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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#1
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part number help RCA CTC179
I have a RCA chassis ctc179 with a bad S Cap C4407p. It is a blue
rectangular box with the following markings on the top: M.55J250 (a trademark symbol) 9521. Can someone tell me what this is and what a suitable replacement would be? By the way, the symptoms of the TV are that when you plug it in, a 200V 2.2 uF cap (C4406) explodes and you get a single bright white vertical line down the center of the screen. There is audio. |
#2
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You have bad diodes in same circuit and probably a pincushion output
transistor bad as well. 0.55uf 250V capacitor, both that and c4406 are critical safety components and unless you know 100% that you have the correct specification for frequency, tolerance, temp drift, etc, you should order exact replacements from any Thomson parts distributor. David wrote: I have a RCA chassis ctc179 with a bad S Cap C4407p. It is a blue rectangular box with the following markings on the top: M.55J250 (a trademark symbol) 9521. Can someone tell me what this is and what a suitable replacement would be? By the way, the symptoms of the TV are that when you plug it in, a 200V 2.2 uF cap (C4406) explodes and you get a single bright white vertical line down the center of the screen. There is audio. |
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