Adjustment Procedure; B Set-Up; Driver Set-Up - Panasonic TH-37PD25U-P Service Manual

TH-37PD25U-P / TH-42PD25U-P

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
White balance: Normal
11.1.2. Adjustment / Confirmation
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(+), 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
White balance: Cool
Aspect: 16:9
11.2.2. Adjustments
Adjust driver section voltages referring the panel data on the
panel data label.
Name Test Point
Vsus TPVSUS
(SS)
Vbk TPVBK (SC) 155V ± 5V
Ve TPVE (SS)
Remarks
Vset TPVSET
(SC)
Vad TPVAD (SC) -90V ± 1V
Vscn TPVSCN
(SC)
Vda TPVDA (SS) 67V ± 1V
*See the Panel label.
28
Voltage Volume
170V ± 1V R605 (P)
R6443 (SC)
158V ± 1V R6774 (SS)
218V ± 6V Fixed
R6477 (SC)
Vad*+118V ± Fixed
2V
R590 (P)
Remarks