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TH-42PA20E / TH-42PA20B
11 Adjustment Procedure
11.1. +B Set-up
11.1.1. Item / Preparation
1. Input a Grey scale signal.
2. Set the picture controls: -
Picture mode: Normal
Colour balance: Normal
11.1.2. Adjustments
Adjust and confirm indicated test point for the specified voltage.
Adjust
Name
Volume
Vsus
R605
Vda
R590
Confirm
Name
Voltage
15V
15.4V ± 0.5V
15V
15.2V ± 0.5V
12V
11.8V ± 0.5V
Audio+12V
12.5V ± 0.8V
5V
5.1V ± 0.3V
STB 5V
5.0V ± 0.3V
Fan 15V
15.4V ± 0.5V
Fan 5V
5.1V ± 0.3V
PFC
380V ± 15V
Voltage
Test Point
Remarks
170V ± 1V P11 pin 2
67V ± 0.5V P12 pin 1
Test Point
P23 pin 1
P7 pin 1
P25 pin 1
P5 pin 7
P25 pin 5
P27 pin 4
P10 pin 1
P10 pin 4
C468(+)
11.2. Driver Set-up
11.2.1. Item / Preparation
1. Input an APL 100 % white signal.
2. Set the picture controls: -
Picture mode: Normal
Colour balance: Cool
Aspect: 16:9
11.2.2. Adjustments
Adjust driver section voltages referring the panel data on the
panel data label.
Name
Vsus
TPVSUS
(SS)
Vbk
TPVBK (SC) 155V ± 5V
Ve
TPVE (SS)
Vset
TPVSET
(SC)
Remarks
Vad
TPVAD (SC) -90V ± 1V
Vscn
TPVSCN
(SC)
Vda
TPVDA (SS) 67V ± 1V
*See the Panel label.
28
Test Point
Voltage
Volume
170V ± 1V
R605 (P)
R6443 (SC)
158V ± 1V
R6774 (SS)
218V ± 6V
---
R6477 (SC)
Vad*+118V ±
---
2V
R590 (P)
Remarks
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