Panasonic TH-42PH12ES, Service Manual

Page: 30 / 142

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TH-42PH12EK / TH-42PH12ES
10 Measurements and Adjustments
10.1. Adjustment Procedure
10.1.1. Driver Set-up
10.1.1.1. 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=-180V, Voltage of Vscn is -35V ±4V.
10.1.1.2. Adjustments
Adjust driver section voltages. (Refer to the panel data on the
Panel Label).
Check or adjust the following voltages with the multimeter.
*See the Panel Label.
Name Test Point Voltage Volume Remarks
Vsus TPVSUS
(SS) Vsus ± 2V R737 (P) *
Ve TPVE (SS) Ve ± 2.5V Fixed *
Vset TPVSET
(SC) 290V ± 9V Fixed
Vad TPVAD (SC) -180V ± 2V VR16600
(SC)
Vscn TPVSCN
(SC) Vad_base:
+145V±4V
GND_base:
-35V±6V Fixed
Vda TPVDA (P) 60V +1V , -2V Fixed