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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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Sony KP48S35
Video cycles on and off- app 5 seconds on and 2 seconds off.service
info currently on order. Thought someone might have run into this B4. Jim |
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#2
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Do a Google Groups search for Sony AKB, Sony blank video, etc.
Lots of prior postings. Odds are the picture tubes are too weak for the AKB to properly compensate and it is putting the set into blanking as soon as the video comes up and the cathode current rises. Good chance the set needs all three picture tubes for a solid fix, about $1000. Sometimes a short term fix is to readjust the G2 voltages. David |
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#3
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Do a Google Groups search for Sony AKB, Sony blank video, etc.
Lots of prior postings. Odds are the picture tubes are too weak for the AKB to properly compensate and it is putting the set into blanking as soon as the video comes up and the cathode current rises. Good chance the set needs all three picture tubes for a solid fix, about $1000. Sometimes a short term fix is to readjust the G2 voltages. David jim wrote: Video cycles on and off- app 5 seconds on and 2 seconds off.service info currently on order. Thought someone might have run into this B4. Jim |
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