Panasonic TX-34P150X Service Manual

neck and DY so that dynamic convergence is best.4. Confirm that left upper side line is straight. / When left upper sideline isn’t straight, put magnet on DY and adjust the left upper sideline to straight.5.10. CUT OFFPreparation1. Receive a colour bar signal with colour “OFF”, and operate the TVset more than 15 minutes.2. Set the picture menu to “DYNAMIC NORMAL” and the AI to off.3. Connect an oscilloscope to TPL7 with DC mode.4. Set the TV set to Service Mode 1.5. Screen VR : Min.6. Set the data level of SUB BRIGHT, R, G, B-CUTOFF and R, G, B-DRIVE to the table values.Display Data LevelR High (R-CUT OFF) 128G High (G-CUT OFF) 128B High (B-CUT OFF) 128R Low (R-DRIVE) 175G Low (G-DRIVE) 175B Low (B-DRIVE) 175SUB BRIGHT 128Adjustment1. Select G-CUTOFF adjustment mode and collapse vertical scan.2. Adjust G-CUTOFF control to become the DC=0V to video level at180V as shown below:3. Slowly turn the screen control clockwise until a green colourhorizontal line appears on the picture tube. This is the settingpoint for the screen control. / Note that do not adjust the G-CUTOFF setting in the following procedure.