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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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Zenith A32B41W TV Problem
I have a Zenith A32B41W TV, Circuit PCB 9-2003.
I discovered two bad 1000pf/2000v caps, CX3220 (fried) and CX3231 which I have purchased replacements. But I also discovered what looks like some type of ground fuse or plate (EX3401) next to the AC Input that has definite visible signs of arcing/damage. Should I replace this? I was reading a similar post and it discussed finding the root cause, which I did, but it did not mention replacing this. If so, what is the part# and where can I find it? Also I discovered a loose component (THX3415). It looks like a silver disc (the loose part) sandwitched between two wire leads. This component is in the same section of the PCB. What is this? Some kind of thermal component? I am assuming I need to replace it as well. Any part number and place I can purchase? I cannot locate a schematic for this board. Any help is appeciated. Arnie |
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Zenith A32B41W TV Problem
On Aug 18, 11:48 pm, "Arnie2448" u36741@uwe wrote:
I have a Zenith A32B41W TV, Circuit PCB 9-2003. I discovered two bad 1000pf/2000v caps, CX3220 (fried) and CX3231 which I have purchased replacements. But I also discovered what looks like some type of ground fuse or plate (EX3401) next to the AC Input that has definite visible signs of arcing/damage. Should I replace this? I was reading a similar post and it discussed finding the root cause, which I did, but it did not mention replacing this. If so, what is the part# and where can I find it? Also I discovered a loose component (THX3415). It looks like a silver disc (the loose part) sandwitched between two wire leads. This component is in the same section of the PCB. What is this? Some kind of thermal component? I am assuming I need to replace it as well. Any part number and place I can purchase? I cannot locate a schematic for this board. Any help is appeciated. Arnie Try NTE for a cross reference or see if PTS has the board .THX # may be a thermistor EX3401 may be a spark gap of some sort A Little Bit of Everything.. http://www.whaatsoever.com |
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