Sub Color Adjustment; Sub Color Offset (61 Inch Model Only) - Sony KP-48PS1 Service Manual

KP-48PS1/53PS1/61PS1
48PS1K/53PS1K/61PS1K
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" and "b" is same as shown in figure.
6. Return the data set in step 3 to original values.
K
RM-892
Same level
a b

6-8. SUB COLOR OFFSET (61 inch model only)

1. Confirm the result performed in 6-7. SUB COLOR AD-
JUSTMENT.
2. Enter the Service menu, and select "Device Register Set-
ting" b "Backend".
3. Select "29 Sub Color", and set existing data value +2.
(61 inch model only)
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