Panasonic TH-50PV600E / TH-50PX600B Service Manual ▷ View online
37
TH-50PV600E / TH-50PX600B
10.1. Driver Set-up
10.1.1. Item / Preparation
1. Input a white signal to plasma video input.
2. Set the picture controls as follows.
Picture menu: Vivid
Picture: +30
Aspect: Full
Caution
1. First perform Vsus adjustment.
2. Confirmation of Vscn voltage should be performed after
confirmation of Vad adjustment.
When Vad=-105V, Voltage of Vscn is 35V ±3V.
10.1.2. 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
VR251 (P)
*
Ve
TPVE (SS)
Ve ± 2V
VR6000 (SS)
*
Vset
TPVSET
(SC)
(SC)
280V ± 7V
Fixed
Vad
TPVAD (SC) -105V ± 1V
VR6600
(SC)
(SC)
Vscn
TPVSCN
(SC)
(SC)
Vad+140V ±
4V
4V
Fixed
Vda
TPVDA (SS) 75V ± 1V
Fixed
*See the Panel label.
10 Adjustment Procedure
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TH-50PV600E / TH-50PX600B
10.2. Initialization Pulse Adjust
1. Input the White signal to plasma video input.
2. Set the picture controls as follows.
Picture menu : Vivid
Picture : +25
Aspect : Full
3. Connect Oscilloscope to TPSC1 (T2) and adjust VR6602 for 195+10µ Sec.
Test point
Volume
Level
T2
TPSC1 (SC)
VR6602 (SC)
195 ± 10µ Sec
10.3. P.C.B. (Printed Circuit Board) exchange
10.3.1. Caution
1. To remove P.C.B. , wait 1 minute after power was off for discharge from electrolysis capacitors.
10.3.2. Quick adjustment after P.C.B. exchange
P.C.B.
Name
Test Point
Voltage
Volume
Remarks
P Board
Vsus
TPVSUS (SS)
Vsus ± 2V
VR251 (P)
*
SC Board
Vad
TPVAD (SC)
-105V ± 1V
VR6600 (SC)
SS Board
Ve
TPVE (SS)
Ve ± 2V
VR6000 (SS)
*
D, DG Board
White blance and Sub brightness for NTSC, PAL, HD, PC and 625i signals
*See the Panel label.
Caution:
Absolutely do not reduce Vsus below Ve not to damage the P.C.B.
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TH-50PV600E / TH-50PX600B
10.4. Adjustment Volume Location
10.5. Test Point Location
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TH-50PV600E / TH-50PX600B
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