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一、长虹2938FD型彩电故障1:开机呈“三无”。电源供电电路中R802开路。更换R802;电源负载电路中C826不良。更换C8260。故障2:有伴音,无光栅。电源电路中C251漏电。更换C251。
First, Changhong 2938FD-type color TV failure 1: boot was “three no ”. R802 power supply circuit open circuit. Replace R802; Bad C826 power load circuit. Replace C8260. Fault 2: a sound, no grating. C251 power circuit leakage. Replace C251.