Panasonic TH-37PA30E, Service Manual

Page: 328 / 371

11 Adjustment Procedure
11.1. +B Set-up
11.1.1. Item / Preparation
1. Input a Gray 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 Voltage Test Point Remarks
Vsus R605 170V ± 1V P11 pin 2 P-Board
Vda R590 67V ± 0.5V P12 pin 1 P-Board
Confirm
Name Voltage Test Point Remarks
15V 15.4V ± 0.5V P23 pin 1 P23-3 (GND)
15V 15.2V ± 0.5V P7 pin 1 P7-3 (GND)
12V 11.8V ± 0.5V P25 pin 1 P25-3 (GND)
Audio+12V 12.5V ± 0.8V P5 pin 7 P5-9 (GND)
5V 5.1V ± 0.3V P25 pin 5 P25-6 (GND)
STB 5V 5.0V ± 0.3V P27 pin 4 P27-9 (GND)
PFC 380V ± 15V C468(+) C468 (-) (GND)
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 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.
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TH-37PA30E / TH-42PA30E