Panasonic TH-37PWD6UY, Service Manual

Page: 77 / 188

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 Volume Voltage Test Point Remarks
Vsus R605 170V ± 1V P11 pin 2
Vda R590 67V ± 0.5V P12 pin 1
Confirm
Name Voltage Test Point Remarks
15V 15.4V ± 0.5V P23 pin 1
15V 15.2V ± 0.5V P7 pin 1
12V 11.8V ± 0.5V P25 pin 1
Audio 12V 12.5V ± 0.8V P5 pin 7
5V 5.1V ± 0.3V P25 pin 5
STB 5V 5.0V ± 0.3V P27 pin 4
Fan 15V 15.4V ± 0.5V P10 pin 1
Fan 5V 5.1V ± 0.3V P10 pin 4
PFC 380V ± 15V C468(+), C468(-)
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.
Name Test Point Voltage Volume Remarks
Vsus TPVSUS
(SS) 170V ± 1V R605 (P)
Vbk TPVBK (SC) 155V ± 5V R6443 (SC)
Ve TPVE (SS) 158V ± 1V R6774 (SS)
Vset TPVSET
(SC) 218V ± 6V ---
Vad TPVAD (SC) -90V ± 1V R6477 (SC)
Vscn TPVSCN
(SC) Vad*+118V ±
2V ---
Vda TPVDA (SS) 67V ± 1V R590 (P)
*See the Panel label.
8 Adjustment Procedure
10
TH-42PW6EX / TH-42PW6BX / TH-42PWD6EX / TH-42PWD6BX / TH-42PWD6UY