Panasonic TC-21P50R Service Manual

Also see for TC-21P50R: Operating instructions

Contents

Panasonic TC-21P50R Service Manual Manual pdf 15 page image

- 15 -DY Fixing1. Wedge (1) shown in should be fixed within a range of1. Wedge (1) shown in should be fixed within a range of120° to the left of the vertical line as shown.2. After inserting wedge (1), insert wedges (2) and (3).The wedges should be set 120° apart from each other.3. Be certain that the three wedges are firmly fixed and theDeflection Yoke is tightly clamped in place. Otherwisethe Deflection Yoke may shift its position and cause aloss of convergence and purity120˚120˚120˚Wedge (2) Wedge (1)Wedge (3)Item / Preparation Adjustment ProcedureCUT OFF1. Connect oscilloscope probe to TPL7.2. Receive the window pattern.3. Picture menu : DYNAMIC NORMAL.AI : OFF4. Screen VR : Min5. Set the data of RGB CUT OFF/DRIVE andSUB BRIGHT.6. Set mute mode and stop vertical deflection.1. Adjust Sub-BRIGHT, so that the voltage of TPL7 is [160]V.2. Adjust screen VR so that any color line is slighty lighted.(After this adjustment, screen VR should not be turned except for *2)3. Adjust any color other than the color that appears first so that horizontalline is white.(*2 at that time, first come line go out, turn the VR and finally fix the VRthat white line is slighty lihgted.)4. Set mute mode release.WHITE BALANCE1. Set the Helmhortz device to local magneticfield.2. Aging should have been performed over30 minutes.3. Receive the white balance pattern.(this signal must have burst signal 0)4. Picture menu : DYNAMIC NORMAL.AI : OFF5. Degauss the CRT face.6. Fix the white balance meter receiver unitto CRT face.*Take care that light does not enter fromoutside.*CRT cut off adjustment is completed.*If indication of white balance meter atHigh Light adjustment does not get to80m A, connect short jumper to TBT11 &3.1. Adjustment of Low Light.1. Adjustment SUB BRIGHT, so that G High Light is 35mA.2. Adjustment R-CUT OFF, so that R Low is -14mA.3. Adjustment B-CUT OFF, so that B Low Light is 0mA.2. Adjustment of High Light.1. Adjust SUB BRIGHT, so that G High Light is 80mA.2. Adjust R-DRIVE, so that R High Light is -2mA.2. Adjust B-DRIVE, so that B High Light is 6mA.0V160V