Panasonic TH-152UX1C, Service Manual

Page: 56 / 127

56
TH-152UX1 / TH-152UX1W / TH-152UX1C
10 Measurements and Adjustments
10.1. Adjustment Procedure
10.1.1. Driver Set-up (VSUS)
10.1.1.1. Item / Preparation
• Set the black pattern .
(4K FRONT END is installed)
1. Set 4K TEST Pattern by IIC mode.
2. Select the black pattern.
(4K FRONT END is not installed)
1. Remove the Rear Cover .(T.R.Inside/T.R.Outside/
T.L.Inside/T.L.Outside/B.L.Inside/B.L.Outside/Sub)
2. Disconnect the connectors .
(P35,1P35, 3P35,4P35,5P35,6P35,8P35,9P35).
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.
Adjustment of VSUS voltage
P2, P7 : VSUS voltage ± 0.2V
P2, P7 else : VSUS v1V ±
0.2V
VSUS adjustment corresponding tables of adjusting test point and P-board
Adjusting point : between No1 pin of connectors PSS1-5 (Red circle of the picture) and GND (Pins of resistor)
10.1.2. Driver Set-up (OTHER)
10.1.2.1. 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.
10.1.2.2. 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.
Panel Label is posted between P5 and DU board.
Name Test Point Voltage Volume Remarks
Vsus
(SC side)
connector
PSS1-5(PSS)
(SC SIDE)
Vsus ± 2V VR251
(P,P1-P4)
*
Vsus
(SS side)
connector
PSS1-5(PSS)
(SS SIDE)
Vsus ± 2V VR251
(P5-P9)
*
Name Test Point Voltage Volume Remarks
Ve TPVE (SS3) Ve ± 1V VR15221
(SS3)
*
Vda TP9
(P,P1,P3,P4)
66V+1V,-2V Fixed
TP9 (P5,P6,
P8,P9)
66V+1V,-2V Fixed
Vad TPVAD
(PSC)
-135V ± 1V VR1250
(PSC)
Vscn TPVSCN
(PSC)
Vad_base:
+145V ± 4V
GND_base:
+10V ± 6V
Fixed