Registration Adjustment; Setup For Adjustment; Main Deflection Adjustment - Sony KP-44PS2 Service Manual

6-2. REGISTRATION ADJUSTMENT

6-2-1. Setup for Adjustment

1. Marking
1) At the 4 insides of the screen, locate the middle. Use a tape
measure to identify the middle.
2. Data Setting
1) Set DRC100 (PAL-Wide) mode.
2) Enter the Service menu, and select "Device Register Set-
ting" b "Projector Engine".
3) Press "7" + "-" (READ) buttons on the commander to read
the data from NVM. Then all the default data are restored.
Note : When you replaced printed circuit boards or devices or
CRTs, and when correction is drastically necessary, press
"5" + "-" (PJE INITIAL) buttons to initialize the data
in the Projector Engine mode.
Press " (MUTE)" + "-" buttons on the commander to
write the data.

6-2-2. Main Deflection Adjustment

The data values are same in all modes, and therefore the adjust-
ment for the DRC100 (PAL-Wide) mode only is performed here.
1. Place the caps on the red and blue lenses so that only the
green color is displayed.
2. Enter the PAL SPCB signal to set the DRC100 (PAL) mode.
3. Set the screen format to "Wide".
4. Enter the Service menu, and select "Device Register Set-
ting" b "Deflection".
5. Adjust "2 V-Position" and "13 H-Position" so that the pic-
ture is displayed in the center of screen.
2 V-Position
13 H-Position
5. Adjust "1 V-Size" and "6 H-Size" so that the picture size is
: middle
6. Adjust the following items so as to attain the optimum
– 39 –
within the specification.
SPEC
Input Signal H SIZE
PAL SPCB 16.7 ± 0.1 sq.
1 V-Size
6 H-Size
picture.
4 V-Linear
5 S-Corr
8 Pin Amp
9 Up-CPin
11 Lo-CPin
12 Trapezium
14 AFC-Bow
15 AFC-Angle
KP-44PS2/44PS2U/51PS2
RM-903
Overscan Spec. = 7.5%
V SIZE
12.5 ± 0.1 sq.