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RCA 56" Projection blows SMPS!
Model # P56812BL, Chassis # CTC195A2, dead with 8-pin SMPS Reg IC
U14101 TDA4605-3 blown apart, Q14101 IRF740 shorted, R14125 badly burnt, replaced these parts, horizontal output, convergence power supply, as well as secondary diodes in SMPS, all check fine, no other static shorts. Plug in unit, & instantly blows these parts again. Did I miss something? Thanks, Dani. |
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