Panasonic PT-53X54J Service Manual page 74

33. At this point the crosshatch pattern should look white.
34. If the crosshatch pattern is not only white, repeat adjustment for
that specific color (red or blue).
35. Once the crosshatch pattern looks only white, perform the
adjustments for White only ("POINT", "ORIG. POINT" & "LINE"),
notice that each adjustment must be only for white (red,
green,blue)
36. Adjust white for a good line distribution and make lines
completely straight.
37. Press "7" key on remote, then ACTION to save changes.
38. Press POWER then ACTION to exit convergence adjustments
(DACs menu appears).
39. After exiting FINE adjustment the "AUTO OFFSET" procedure
begins. The receiver performs an horizontal and vertical sweeping
offset reference with the new saved data for autoconvergence
alignment feature (see "autoconvergenceadjustment" for more
information.
18.3. Autoconvergence adjustment
The GN1P family has a special feature that performs an autoconvergence quick adjustment with
a 4 point optical reference pattern. To perform this automatic adjustment the receiver must
sweep 4 line reference pattern(2 horizontal and 2 vertical)for all 3 colors (red, green and blue).
The receiver capture the light sweep alignment with 4 optical sensors inside the screen frame
perimeter.
In Service mode:
In case that autoconvergence adjustment does not give proper convergence alignment results
repeat manual convergence adjustment procedure.
Sensor Location
74