Sub Bright Adjustment; Sub Color Adjustment - Sony KP-44PS2 Service Manual

6-6.

SUB BRIGHT ADJUSTMENT

1. Enter the monoscope signal.
2. Press "MENU" button on the commander to enter the Picture
Adjustment menu.
3. Set respective items as follows:
• Picture Mode c Personal
• AI (Artificial Intelligence) c OFF
• Contrast c Minimum
• Brightness c 50%
4. Enter the Service menu, and select "Device Register Set-
ting" b "Backend".
5. Adjust "13 Sub Bright" so that the border between 0 IRE and
10 IRE becomes distinct.
6-7.

SUB COLOR ADJUSTMENT

1. Enter the color bar signal.
2. Connect the oscilloscope probe to the CN4500 pin 5 on the E
board.
3. Enter the Service menu, and set respective items as follows.
However, record current set values so that they can be re-
stored later.
1) Select "Device Register Setting" b "Backend".
• 1 D-Col c OFF
• 2 Contrast c 31
• 5 Color c 31
• 18 DPIC-Level c 0
• 20 DC-Tran. c 0
2) Select "Initializing" b "Feature Setting".
• 6 PictBoostBypass c ON
4. Select "Device Register Setting" b "Backend".
5. Measure waveform, and adjust "29 Sub Color" so that the
height of "a", "b" and "c" is same as shown in figure.
6. Return the data set in step 3 to original values.
– 45 –
KP-44PS2/44PS2U/51PS2
Same level
a c b
RM-903