Panasonic gpf12d th-85pf12u Service Manual
45
TH-85PF12U
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.
2. Set the picture controls as follows.
Picture menu: Standard
Picture: +25
Aspect: Full
Picture: +25
Aspect: Full
Caution
1. First perform Vsus adjustment.
2. Confirmation of Vscn voltage should be performed after
2. Confirmation of Vscn voltage should be performed after
confirmation of Vad adjustment.
When Vad=-135V, Voltage of Vscn is +10V ±4V.
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.
Panel Label).
Check or adjust the following voltages with the multimeter.
*See the Panel Label.
**See chap. 10.1.6.
**See chap. 10.1.6.
Name
Test Point
Voltage
Volume
Remarks
Vsus
(SC side)
(SC side)
TPVSUS
(SC)
(SC)
Vsus ± 2V
VR251
(P_Main_1)
(P_Main_1)
*
Vsus
(SS side)
(SS side)
TPVSUS
(SS)
(SS)
Vsus ± 2V
VR251
(P_Main_2)
(P_Main_2)
*
Ve**
TPVE (SS)
Ve ± 1V
VR16001
(SS)
(SS)
*
Vda
TP9
(P_Main_1)
(P_Main_1)
70V +1V, -2V
Fixed
TP9
(P_Main_2)
(P_Main_2)
70V +1V, -2V
Fixed
Vad
TPVAD (SC) -135V ± 1V
VR16600
(SC)
(SC)
Vscn
TPVSCN
(SC)
(SC)
Vad_base:
+145V±4V
GND_base:
+10V±6V
+145V±4V
GND_base:
+10V±6V
Fixed