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Submitted By |
Eric
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Date Posted |
11/25/2003 2:29:50 PM |
Title |
RCA P46731AT projection tv |
Message |
| When you press the power button, a chirp sound is heard but the set will not come on. The fuse was not blown and all the rectifier diodes were in tact. I checked a few transistors and they all checked out fine. Any suggestions? Thanks for your help |
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Submitted By |
ray
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Date Posted |
3/27/2004 2:27:16 PM |
Title |
RE: RCA P46731AT projection tv |
Message |
| check for 140 stby. at collector of hoxsistor. if hi-150-180vdc, change 39uf-100v, 2.2 uf-50v near reg. ic. first check to see if shorted. if stdby is 140v unload input to hv block-fire set, should spark=then block is bad. ray |
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