Panasonic TH-85VX200C, Service Manual

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TH-85VX200C
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=-135V, Voltage of Vscn is +10V ±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.
**See chap. 10.1.6.
Name Test Point Voltage Volume Remarks
Vsus
(SC side) TPVSUS
(SC) Vsus ± 2V VR251
(P_Main_1) *
Vsus
(SS side) TPVSUS
(SS) Vsus ± 2V VR251
(P_Main_2) *
Ve** TPVE (SS) Ve ± 1V VR16001
(SS) *
Vda TP9
(P_Main_1) 70V +1V, -2V Fixed
TP9
(P_Main_2) 70V +1V, -2V Fixed
Vad TPVAD (SC) -135V ± 1V VR16600
(SC)
Vscn TPVSCN
(SC) Vad_base:
+145V±4V
GND_base:
+10V±6V Fixed