Wednesday, February 26, 2014

HOW TO ENTER SERVICE MODE TO BUSH TV

Bush Model ct-147mk2, CT-207mk2, CT-217mk2, CT-21w9

ENTERING INTO SERVICE MODE

PRESS DISPLAY ON HANDSET AND VOL- ON THE TV SET FRONT PANEL SIMIULTANEOUSLY

Service mode adjustments

Parameter                                             default value        range
v-size                                                    12                         0-127
v-position/60hz                                     32                         0-63
v-position/50hz                                     32                         0-63
blue drive                                              127                       0-127
gtreen dtrive                                         14                         0-15
green bias                                            78                         0-225
re drive                                                 85                         0-127
blue bias                                               78                         0-255
red bias                                                90                         0-255
sub tint                                                 84                         0-127
sub colour                                             63                         0-63
conttrast center5                                  63                         0-63
sub contrast                                         15                         0-63
sub bright                                             116                       0-127
secam r-y dc                                         15                         0-63
secam b-y dc                                        15                         0-15
rf agc delay                                           29                         0-63
h-phase/60hz                                       18                         0-31
h-phase 50hz                                       11                         0-31
v-lenearity                                             21                         0-31