Panasonic TX-14B4T Service Manual

Contents

Panasonic TX-14B4T Service Manual Manual pdf 4 page image

ALIGNMENT PROCEDURE AND OPTION SETTINGEntering SERVICE modeService mode is entered by selecting the “mute” remote key and local “down” simultaneously with the sharpness DAC set toMinimum and programme position 99 selected.Service mode 2 is selected by pressing the Recall remote key while in service mode 1.Service mode navigation- Up /Down remote keys :cycle through the service items available.- -/+ remote keys :Decrement/Increment the values within range.- TV/AV :Store the current data.- 0 – 7 digit keys :Toggle bits 0-7 in option byte (service mode 2).Order Item Range1 Cut off (VG2) LED ON , LED OFF2 Vertical slope 0-633 Vertical Shift 0-634 Vertical amplitude 0-635 Horizontal shift 0-636 Red Cut 0-637 Green Cut 0-638 Red Drive 0-639 Green Drive 0-6310 Blue Drive 0-6311 AGC 0-6312 Sub-Colour 0-6313 Sub-Brightness 0-63Sub-Colour: Set sub-colour to 16.Sub-Brightness: Set sub-colour to 33.G2 alignment: Before entering into service mode, recall the nominal picture setting :remote key “N”.From this setting, increase brightness by 11 steps and reduce sharpness to minimum.Tune a colour bar signal on Prg 99 and enter into SVC mode. In SVC mode , select “G2” itemand press – or + remote key to control software disable vertical deflection. The user must thenadjust G2 voltage on FBT, to find the point where LED is ON. Press – or + remote key to returnto normal SVC mode.White balance: - Select a dark picture and adjust Red Cut and Green Cut to the desired colour temperature.- Select a bright picture, set Blue Drive to 32 and adjust Red Drive, and Green Drive to thedesired colour temperature.4