Measurements And Adjustments; Adjustment Procedure - Panasonic TH-42PH11UK Service Manual

9 Measurements and Adjustments

9.1.

Adjustment Procedure

9.1.1. Driver Set-up
9.1.1.1. Item / Preparation
1. Set Aging pattern (white pattern signal) by IIC mode.
2. Set the picture controls as follows.
Picture menu: Standard
Picture: +25
Aspect: Full
Caution
1. First perform Vsus adjustment.
2. Confirmation of Vscn voltage should be performed after
confirmation of Vad adjustment.
When Vad=-149V, Voltage of Vscn is -4V ±4V.
9.1.1.2. Adjustments
Adjust driver section voltages. (Refer to the panel data on the
Panel Label).
Check or adjust the following voltages with the multimeter.
Name Test Point Voltage
Vsus TPVSUS Vsus ± 2V
(SS)
Ve TPVE (SS) Ve ± 1V
Vset TPVSET 320V + 7V, -
(SC) 9V
Vad TPVAD (SC) -149V ± 1V
Vscn TPVSCN Vad+145V ±
(SC) 4V
Vda TPVDA (SS) 75V + 1V, -2V Fixed
PFC C446 (+)(-) 396V ± 0.5V
*See the Panel Label.
29
TH-42PH11UK
Volume Remarks
R628 (P) *
VR16000 *
(SS)
Fixed
VR16600
(SC)
Fixed
R443 (P)