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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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Troubleshooting an HV Splitter / Focus Combo block (with more details)
I recently replaced the failed and NLA'd Sanyo 220493-3 HV Splitter /
Focus Combo block in my LXI RPTV with the updated 4835 310 57402 replacement Kit. (See the "Updated Hardware Kit and the block immediately above it at: http://www.technotronic-dimensions.com/Products3.html ). I made sure to follow the wiring and connection directions but the TV is definitely not happy with the change. On power-up there is a buzzing that sounds similar to arcing. The tubes do warm up after a few seconds and a blue/green is displayed on the screen, however shortly after warming up the tubes turn off... Any pointers as to what I should check or test to figure out what the problem is? Thanks, ~Aaron |
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