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８３Ｐ机芯彩电故障检修一例机型：孔雀ＫＱ－５１－３９－１故障现象：无光栅无伴音检修与分析：１．测开关电源各输出电压为：Ｂ＿３＝１１０Ｖ（正常为１８０Ｖ），Ｂ＿１＝８０Ｖ（正常为１３０Ｖ），Ｂ＿２＝７Ｖ（正常为１６Ｖ），Ｂ＿４＝１１Ｖ（正常为２６Ｖ）。...
83P movement TV troubleshooting a case Model: Peacock KQ-51-39-1 Symptom: No grating without sound Repair and analysis: 1. Measure the output voltage of the switching power supply as: B_3 = 110V (180V is normal), B_1 = 80V (normal is 130V), B_2 = 7V (normal is 16V), B_4 is 11V (normal is 26V). ...