Panasonic TC-20KL03A Service Manual

Also see for TC-20KL03A: Service manual Service manual

Contents

Panasonic TC-20KL03A Service Manual Manual pdf 12 page image

- 12 -TC-20KL03A / TC-29KL03AAJUSTMENTSITEM / PREPARATION PROCEDURE11- VERTICAL DEFLECTION CALIBRATION ANDCONFIRMATION1. Adjust IMAGE to DYNAMIC NORMALS-CORR CON4IRMATION AND CALIBRATION1) Confirmation in 50Hz1. Supply a PHILIPS PAL-N signal.2. Confirm that S-CORR 50Hz is in [18] DAC.2) Confirmation in 60Hz1. Supply a MONOSCOPE signal.2. Confirm that S-CORR 60Hz is in [18] DAC.3) V-SLOPE calibration1. Supply a MONOSCOPE signal.2. Adjust V_SLOPE (CHK3) so that the beginning of theblack part of the image be aligned with the center ofthe CRT as 9ig. 1.4) VERTICAL CENTRALIZATION 50 HZ CALIBRATION1. Supply a PAL-N Philips signal.2. Adjust V-SHI9T 50Hz (CHK3) so that the Philipspatterns center it is in the CRT center.5) VERTICAL CENTRALIZATION 60 HZ CALIBRATION1. Supply a MONOSCOPE signal.2. Adjust V-SHI9T 60Hz (CHK3) so that the monoscopepatterns it is in the CRT center6) VERTICAL HEIGHT (V-AMP 50HZ) CALIBRATION1. Supply a PHILIPS PAL-N signal.2. Adjust V-AMP-50Hz (CHK3) so that the Philips patternscircle height be the same dimension of the width.7) VERTICAL HEIGHT (V-AMP 60HZ) CALIBRATION1. Supply a MONOSCOPE signal.2. Adjust V-AMP-60Hz (CHK3) so that, in the 9ig.2, be:3. MEMORIZE in EEPROM.4ig. 14ig. 212- CRT CUT O44 CALIBRATION1. Supply a WINDOWS signal.2. Position DACs with the data below:BRT e S-BRT > 32HRGB CONTRAST > 09H (29 pol) e 07H (20 pol)SUB-CONTRAST > 21HR,G,B DRIVE > 31HR,G CUT > 31HCALIBRATION:1. Press 5 (AKB O99) and confirm that OSD becomes blue.2. Connect the oscilloscope in TPL7 and adjust BRT to obtain130V as in the 9ig. 1 below.3. Adjust the SCREEN to obtain in the color analyzerY = 1.0 +1.0-0.54. Press 5 (AKB O99) and confirm that OSD becomes blue.white.CRT->C,DA,B201.9 ~ 2.21.5 ~ 2.3291.5 ~ 2.01.5 ~ 1.64ig. 1