ADJUSTMENT PROCEDUREItem / Preparation Adjustment/Confirmation+B SET-UP4. Receive a Window pattern.5. Set the controls :-Brightness MinimumContrast MinimumVolume MinimumConfirm the following voltages.A - BoardA1 Pin2 7.5 ± 0.5V IC1252 Pin2 2.5 ± 0.25VA1 Pin12 -20 ± 0.5V IC1251 Pin3 3.3 +0.3 / -0.2VA1 Pin16 20 ± 0.5V IC3302 Pin3 12 ± 0.6VA2 Pin15 30 ± 0.5V IC2707 Pin3 8 ± 0.4VA2 Pin6 15 ± 0.5V L2707 (IC2708) 9 ± 0.4VA3 Pin4 15 ± 0.5V L2704 (IC2706) 5 ± 0.2VA3 Pin2 -15 ± 0.5V L2716 (IC2705) 3.3 ± 0.2VL2717 (IC2709) 3.3 ± 0.2VD – BoardTPD8-GND 7.5 ± 0.5VTPD9-TPD11 38.5 ± 2VTPD10-GND 15.5 ± 1VTPD13-GND 14.5 ± 1VTPD15-GND 144.8 ± 1VTPD32-GND 209 ± 10VC864-GND -15.5 ± 1VD2 Pin15-GND 31 ± 1VCUT OFF1. Receive a Window pattern.2. Degauss the tube externally.3. Set the TV into Service Mode 1.4. Select Sub brightness mode.To adjust Cutoff connect an oscilloscope to the Blue cathode. Adjust "Cutoff"value using the "Yellow" and "Blue" buttons until the black level is 170V ± 5V,press "STR" to store the value. Remove the oscilloscope.Select Highlight/Lowlight mode press "5" to collapse the screen and adjust thescreen “VR” until the display is just visible, press "5" to return to service mode.Using the "Yellow" and "Blue" buttons adjust until optimum picture whitebalance is achieved, press "STR" to store the value. Select Sub Brightnessmode and adjust until optimum picture brightness is achieved.SELF CHECKSelf-Check is used to automatically check the bus lines and hexadecimal code of the TV set.To get into Self-Check mode press the down (-/v) button on the customer controls at the front of the TV set, at the same timepressing the STATUS button on the remote control, and the screen will show: -To exit Self-Check, switch off the TV set at the power button.5If the CCU ports have been checked and found to be incorrect or not located then " - - " will appear in place of "O.K.".Factory use onlySum : ****MEM : O.K.GC1 : O.K.GC2 : O.K.VDU : O.K.CIP : O.K.RGB : O.K.AVSW : O.K.TUN1 : O.K.TUN2 : O.K.DAC1 : O.K.MSP : O.K.DOLBY : O.K.CODEC : O.K.DAC2 : O.K.DAC3 : O.K.OPTION 1 :OPTION 2 :OPTION 3 :OPTION 4 :OPTION 5 :OPTION 6 :OPTION 7 :OPTION 8 :OPTION 9 :OPTION 10:OPTION 11:OPTION 12:OPTION 13:Check :TX-28PB500D0013100050004185801928FA01TX-32PB50/PB50N0D0013100050004185801908FAE1TX-36PB50/PB50N0D0013100050004185801948FA21