Panasonic Viera TX-26LXD600, Service Manual

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Adjustment Method
Sub-Contrast/White Balance Adjustment
Instrument Name Connect to Remarks
1. Remote controller
2. LCD WB meter (Minolta CS-1000A equivalent)
3. Comunication jig
4. Computer for external control Correlation can be also taken by
CA-210 or equivalent
Procedure Remarks
Subcontrast adjustment
1. Receive PAL colour bar (100% white) RF signal.
2. Enter “Sub-Contrast” adj. In SERVICE 1 mode.
3. Start adjusting by using Blue Key.
4. If the adjustment finished normally, the letter of “Sub-Contrast” will change
from red to black
White Balance adjustment
1. Procedure basically perform checking using the production software and make
automatic adjustment using external computer.
2. It adjust in the mode of Colour balance Normal as follows.
TX-32LXD600 TX-26LXD600
TOP Normal TOP Normal
x: 0,2800
±
0,003 x: 0,2800
±
0,003
y: 0,2850
±
0,003 y: 0,2850
±
0,003
GRAY Normal GRAY Normal
x: 0,2800
±
0,003 x: 0,2800
±
0,003
y: 0,2850
±
0,003 y: 0,2850
±
0,003
The address of EEPROM to write is as follows
Add. C148-C159
Let the panel standfor more than 3
hours at more than 20
°
C.
Basically perform adjustment in the
ambient environment of room
temperature more than 20
°
C.
The aging time is more than20 min
at above room temperature.
Applied signal
100% full colour bar
0,7V p-p white peak
87.5% modulation
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