Read Panasonic TH-50PHW5UZ Service Manual online
8.1.
+B Set-up
8.1.1.
Item / Preparation
1. Input a Grey scale signal.
2. Set the picture controls: -
Picture mode: Normal
White balance: Normal
8.1.2.
Adjustments
Adjust and confirm indicated test point for the specified voltage.
Adjust
Name
Test point
Voltage
Volume
PFC
P24 pin 1
400V ±1V
R548
Vsus
P1 pin 2
175V ±1V
R639
Vda
P3 pin 1
75.0V ±0.5V
R545
Confirm
Name
Test point
Voltage
+18V
P4 pin 1
17.2V ±0.5V
+13.5V
P5 pin 1
13.2V ±0.5V
Audio +15V
P6 pin 1
13.5V ±0.5V
Audio -15V
P6 pin 3
-13.5V ±0.5V
5.25V
P5 pin 5
5.1V ±0.3V
STB5V
P7 pin4
5.0V ±0.3V
8.2.
Driver Set-up
8.2.1.
Item / Preparation
1. Input an APL 100 % white signal.
2. Set the picture controls: -
Picture mode: Normal
White balance: Cool
Aspect: 16:9
8.2.2.
Adjustments
Adjust driver section voltages referring the panel data on the
panel data label.
panel data label.
Name
Test point
Voltage
Volume
Vsus
TPVSUS
(SS-BOARD)
(SS-BOARD)
Vsus ±1V*
R639
(P3-BOARD)
(P3-BOARD)
Vbk
TPVBK
(SC-BOARD)
(SC-BOARD)
Vbk ±5V*
R6670
(SC-BOARD)
(SC-BOARD)
Ve
TPVE
(SS-BOARD)
(SS-BOARD)
Ve ±1V*
R6770
(SS-BOARD)
(SS-BOARD)
Vset
TPVSET
(SC-BOARD)
(SC-BOARD)
218 V ±6V
---
Vad
TPVAD
(SC-BOARD)
(SC-BOARD)
Vad ±1V*
R6477
(SC-BOARD)
(SC-BOARD)
Vda
TP117
(C9-BOARD)
(C9-BOARD)
74V±1V
R545
(P1-BOARD)
(P1-BOARD)
Vscn
TPVSCN
(SC-BOARD)
(SC-BOARD)
Vad+118±2V
---
*See the Panel label.
8 Adjustment Procedure
10
TH-50PHW5UZ
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