Panasonic TC-21FX30LA Service Manual

- 28 -TC-21FX30LA/LP / TC-29FX30LA/LPCRT topScanning topABDEFLECTION CALIBRATION AND CONFIRMATION(SERVICE MODE 1) 50Hz(SERVICE MODE 3) 60HzMode 4:3 - 21” and 29” CRT(continuation)ADJUST AND CONFIRMATION(continuation)9) EW adjustment and confirmation .1. Supply a PHILIPS PAL-N signal.2. Adjust EW-AMP1 so that the lateral vertical lines arestraight.10) EW 60Hz adjustment.1. Supply a CROSS HATCH signal.2. Adjust EW-AMP1 60Hz Offs so that the lateral verticallines are straight.11) TRAPEZOIDE adjustment.1. Supply a CROSS HATCH signal.2. Adjust TRAPEZ1 so that the lateral vertical lines arestraight and perfectly in the vertical direction.12) UPER e LOWER CORNER adjustment.1. Supply a CROSS HATCH signal.2. Adjust LOWER CORNER so that the vertical lines arestraight in the inferior part and adjust UPPERCORNER so that the vertical lines are straight in thesuperior part.13) ANGLE adjustment.1. Supply a CROSS HATCH signal.2. Adjust ANGLE so that the vertical lines create 90°angles with the horizontal lines.14) BOW adjustment.1. Supply a CROSS HATCH signal.2. Adjust BOW so that the vertical lines are straight.EW Upper / Lower CornerTrapezoid / Angle BOWDEFLECTION ADJUST AND CONFIRMATIONSERVICE MODE 3Mode 16:3 - 21” and 29” CRTAJUST AND CONFIRMATION1) V-ZOOM (16:9) adjustment.1. Supply a Philips PAL-N signal.2. Select 16:9 mode.3. Confirm that [A] and [B] are in agreement with thetable, if it is not adjust V-ZOOM.4. Supply a MONOSCOPE pattern signal.5. Confirm that A and B are in agreement with the table,if it is not adjust V-ZOOM.CRT [A],[B]21” 4,0 ± 0,5 cm29” 5,0 ± 1,0 cmADJUSTMENTSITEM / PREPARATION PROCEDURE