Read Panasonic TH-42PV500AA / TH-42PV500BA / TH-42PV500EA / TH-42PV500RA / TH-42PV500YA Service Manual Simplified online
3.1. Driver Set-up
3.1.1. 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.
3.1.2. Adjustments
Adjust driver section voltages referring the panel data on the
panel data label.
panel data label.
Name
Test Point
Voltage
Volume
Remarks
Vsus
TPVSUS
(SS)
(SS)
Vsus ± 2V
VR351 (P)
*
Ve
TPVE (SS)
Ve ± 2V
VR6145 (SS)
*
Vset
TPVSET
(SC)
(SC)
240V ± 7V
Fixed
Vad
TPVAD (SC) -105V ± 1V
VR6477
(SC)
(SC)
Vscn
TPVSCN
(SC)
(SC)
Vad+130V ±
4V
4V
Fixed
Vda
TPVDA (SS) 70V ± 1V
VR352 (P)
PFC
C446 (+)(-)
395V ± 0.5V
R443 (P)
Vlow
C555 (+)(-)
73V ± 0.1V
R661 (P)
Vda load
current :
0.4A
current :
0.4A
Csus
TPVSUS
(SS)
(SS)
178V ± 0.5V
R671 (P)
Vsus load
current :
1.7A
current :
1.7A
*See the Panel label.
3 Adjustment Procedure
4
TH-42PV500AA / TH-42PV500BA / TH-42PV500EA / TH-42PV500RA / TH-42PV500YA
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