进入和退出方法：将本机音量减至最小.按住遥控器“静音键”5秒不放，紧接着按下本机“菜单键 当屏幕上出现红色的“S”，表示本机已经进入维修状态。按遥控关机键退出。
以下是21寸的数据
仅供参考。
    TAB FC  0-OFF     11111100
    FC OD F2 CE
    1B 0D 09 10
    20 25 35
    1C 33 20 3F 3F
    20 20 20 20 20
    按遥控器上的频道键选择项目；按音量键调整数据；按遥控关机键
退出维修状态。
    MODE                           10   00-1F
    CL                             09   00-0F
    YDEL                           0D   00-0F
    色99                           3F   00-3F
    对99                           3F   00-3F
    对50                           20   00-3F
    音99                           33   00-3F
    亮50                           1C   00-33
    音25                           35   00-3F
    音00                           25   00-3F
    维修开关   场一条线
    AGC                            1B   00-3F
    BDRV                           20   00-3F
    GDRV                           20   00-3F
    RDRV                           20   00-3F
    BCUT                           20   00-3F
    GCUT                           20   00-3F
    RCUT                           20   00-3F
    50V                            37   00-3F
    5HS                            1D   00-3F
    5VSH                           1D   00-3F
    5VA                            10   00-3F
    SC                             20   00-3F
    AVG                            20   00-3F
    VS                             21   00-3F
    OP4                            CE   00-FF [Page]
    OP3                            F2   00-FF
    OP2                            64   00-FF
    OP1                            FC   00-FF