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Sony KD-55A8F Service Manual
Also see for BRAVIA KD-55A8F: Setup guide
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(Supplementaryinformation)3.3 No Sound Power Off CheckPower Off CheckFrom 2.2Confirm the speakerharnessCut or shortedto the chassis ?Replace SpeakerHarnessYesPower Off CheckFrom 3.0Replace BM2A-PWBNoYesNoYesNoYes(1) BM2A-PWBFuse(F3200,F3201,F3202)broken?(2) BM2A-PWBPVDD-GND(C3288)short ?(3) BM2A-PWBLDO out(C3287)short ?ReplaceSpeakerMeasure the Speakerimpedance by multi-meterLess than 3Ω ?YesNONO38* In case of Actuator, replace Panel module. |
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