Panasonic TH-42PG10A / TH-42PG10G / TH-42PG10M Service Manual ▷ View online
8.1. Driver Set-up
8.1.1. Item / Preparation
1. Set Aging pattern 0 (Vset adjustment pattern) 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=-90V, Voltage of Vscn is 35V ±4V.
8.1.2. Adjustments
Adjust driver section voltages. (Refer to the panel data on the
panel label)
panel label)
Check or adjust the following voltages with the multimeter.
Name
Test Point
Voltage
Volume
Remarks
Vsus
TPVSUS
(SS)
(SS)
Vsus ± 1V
R628 (P)
*
Ve
TPVE (SS)
Ve ± 1V
VR6000 (SS)
*
Vset
TPVSET
(SC)
(SC)
232V ± 7V
Fixed
Vad
TPVAD (SC) -90V ± 1V
VR6600
(SC)
(SC)
Vscn
TPVSCN
(SC)
(SC)
Vad+125V ±
4V
4V
Fixed
Vda
TPVDA (SS) 70V ± 1V
Fixed
PFC
C446 (+)(-)
396V ± 0.5V
R443 (P)
*See the Panel label.
8 Adjustment Procedure
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TH-42PG10A / TH-42PG10G / TH-42PG10M
8.2. Initialization Pulse Adjust
1. Set Aging pattern 0 (Vset adjustment pattern) by IIC mode
2. Set the picture controls as follows.
Picture menu: Standard
Picture: +25
Aspect: Full
3. Connect Oscilloscope to TPSC1 (T2) and adjust VR6602 for 176±5µ Sec.
Test point
Volume
Level
T2
TPSC1 (SC)
VR6602 (SC)
176 ± 5µ Sec.
8.3. P.C.B. (Printed Circuit Board) exchange
8.3.1. Caution
1. To remove P.C.B., wait for 1 minute after power was off for discharge from electrolysis capacitors.
8.3.2. Quick adjustment after P.C.B. exchange
Adjust the following voltages with the multimeter.
P.C.B.
Name
Test Point
Voltage
Volume
Remarks
P Board
Vsus
TPVSUS (SS)
Vsus ± 1V
R628 (P)
*
PFC
C446 (+) (-) (P)
396V ± 0.5V
R443 (P)
SC Board
Vad
TPVAD (SC)
-90V ± 1V
VR6600 (SC)
SS Board
Ve
TPVE (SS)
Ve ± 1V
VR6000 (SS)
*
D,DS, DN Board
White balance for NTSC, PAL, HD, PC and 625i signals
DN Board
Set Market Select Number to correct destination by MS mode. (See chap. 9.1.4)
*See the Panel label.
Caution:
Absolutely do not reduce Vsus voltage below Ve not to damage the P.C.B.
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TH-42PG10A / TH-42PG10G / TH-42PG10M
8.4. Adjustment Volume Location
8.5. Test Point Location
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TH-42PG10A / TH-42PG10G / TH-42PG10M
9 Service mode
9.1. CAT (computer Aided Test) mode
To exit the CAT mode, access the ID mode and switch off the main power.
9.1.1. IIC mode
Select the IIC mode by Up/Down button on the remote control at the front page of CAT mode and then press the Action button
on the remote control.
on the remote control.
Subject and item are mentioned on “IIC mode structure”.
To exit the IIC mode, press the R button on the remote control.
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TH-42PG10A / TH-42PG10G / TH-42PG10M
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