Adjustment Procedure; Driver Set-Up - Panasonic TH-37PWD8BK Service Manual

9 Adjustment Procedure

9.1.

Driver Set-up

9.1.1. Item / Preparation
1. Input a white signal of the RGB signal generator.
2. Set the picture controls: -
Picture menu: Standard
Color temperature: Middle
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=-90V, Voltage of Vscn is 30V ±3V.
9.1.2. Adjustments
Adjust driver section voltages referring the panel data on the
panel data label.
Name Test Point
Vsus TPVSUS Vsus ± 1V
(SS)
Ve TPVE (SS) Ve ± 2V
Vset TPVSET 232V ± 7V
(SC)
Vad TPVAD (SC) -90V ± 1V
Vscn TPVSCN Vad+120V ±
(SC) 3V
Vda TPVDA (SS) 67V ± 1V
PFC C446 (+)(-) 395V ± 0.5V
Vlow C555 (+)(-) 73V ± 0.1V
Csus TPVSUS 164V ± 0.5V
(SS)
*See the Panel label.
19
Voltage Volume Remarks
R628 (P)
VR6074 (SS)
Fixed
VR6477
(SC)
Fixed
R665 (P)
R443 (P)
R661 (P) load
current :
0.4A
R671 (P) load
current :
1.45A
TH-37PWD8BK
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