Digital Convergence - Panasonic PT-51G44A Service Manual

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Digital Convergence
The following is a flowchart outlining the procedures for Digital Convergence. Use these procedures when
I
replacing the following parts:
IC7101 (EEPROM in Digital Convergence Circuit,
( .
C-Board)
-
any CRT
any High Voltage Producing Parts
any Part that affects Convergence, when
changed
Exit
DatdCursor-
Enter
(Action)\
R.G.B.
--
Selection
Pattern (Rev)
1
NormalIFine--
Store
-
COPY
I
/ '
Initialize (LSI)
-
Mode
START
-
OSD
ONIOFF
Mode.
Enter
"V"
Options Adjustment
Section.
-
Clear
Select "VO" and
check
Static
Convergence
Align Static Conver-
gence
Select "V1 "
Point Convergence
Note
1 1
alignment, set all data of Static Convergence
when convergence is completed.
"V1
"
Point Convergence Mode must be active
prior to copying data.
1. Press the Copy Key (8 on the numeric
keypad).
12.
Using the Channel UPIDOWN buttons.
I
select the plane that is to be copied.
Press
Enter key (ACTION button).
3. Usina the Channel UPIDOWN buttons.
selez the destination plane. Press Enter
key (ACTION button).
I
mplate, the misaligned rasters may be
adjusted to merge with the good ones.
Note: It may be necessary to inject a monoscope
pattern into one of the ANT terminals to complete
some of the procedures.
Set TV to view test pattern before proceeding
Press
POWER
button on remote to cycle through
Adjustment Options.
Select
"V"
Options.
If necessary, press Channel UPIDOWN on
remote until
"VO"
is displayed.
Press Volume LEFTIRIGHT on remote to enter
"VO" Static Convergence Mode.
Static
Convergence
1. Using the Channel UPIDOWN and Volume
LEFTIRIGHT buttons, align the Green
Horizontal and Vertical test marks with the
Screen Frame mechanical reference
marks.
2. Press ACTION button to cycle through
options and exit Static Convergence Mode.
Press Channel UPIDOWN on remote until " V l "
is displayed.
Press Volume LEFTIRIGHT on remote to enter
"V1" Point Convergence Mode.

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