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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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JVC TV AV32720 power supply problem
I have sound but no picture because I have no HV. I have no HV because
I have no B+. I measured for B+ with collector of HOT disconnected but found none. No fuses or bad parts found - except for C523 1uf/160v. All other caps check ok. This set uses STR S5708 for regulation. Is it known to cause problems ? I hate to replace it unnecessarily - too much $$$. Thanks for your tips. Tony |
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#2
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JVC TV AV32720 power supply problem
You have good audio ? From the Tv speakers? But No main B+!
Odd............. -- ========================== Jeff Stielau Shoreline Electronics Repair 344 East Main Street Clinton,CT 06413 860-399-1861 860-664-3535 (fax) ======================== "moonlite" wrote in message oups.com... I have sound but no picture because I have no HV. I have no HV because I have no B+. I measured for B+ with collector of HOT disconnected but found none. No fuses or bad parts found - except for C523 1uf/160v. All other caps check ok. This set uses STR S5708 for regulation. Is it known to cause problems ? I hate to replace it unnecessarily - too much $$$. Thanks for your tips. Tony |
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