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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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RCA Projo, & JVC subwoofer.
Anyone finding bad CRT sockets with green corrossion inside
the socket causing arcing? Seems common,even on rebuilt boards from global in Mississsauga, Ontario. Also, CRT burn-in at shutdown. SSI board causing this? Had a couple like this. Works ok, but squeals, like oscillations. Model # SXPW850, some of them have the S53AMi module, that can't be ordered, but JVC have an expensive replacement complete module. Anyone rebuilding these modules, or using something in place of the S53AMi sealed amplifier section. Thanks, Dani. |
#2
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RCA Projo, & JVC subwoofer.
On 1 Feb 2006 09:15:26 -0800, "Dani" wrote:
Anyone finding bad CRT sockets with green corrossion inside the socket causing arcing? Seems common,even on rebuilt boards from global in Mississsauga, Ontario. Also, CRT burn-in at shutdown. SSI board causing this? Not this one, the G1 is automatically pulled negative. trace it out, you may find one or two components open or shorted. Fixed CTC211 with this fault. About corrosion, Just replace the CRT sockets. Had a couple like this. Works ok, but squeals, like oscillations. Model # SXPW850, some of them have the S53AMi module, that can't be ordered, but JVC have an expensive replacement complete module. Anyone rebuilding these modules, or using something in place of the S53AMi sealed amplifier section. Thanks, Dani. Is that a huge black module slab with stange solder on one edge? Exchange only or replace as whole. Cheers, Wizard |
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