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KV-29FV16A
4-4. A BOARD ADJUSTMENTS
SUB BRIGHT ADJUSTMENT
1. Set to Service Adjustment Mode.
2. Input a grey scale pattern signal.
3. Set the PICTURE to minimum, and BRIGHT to normal.
4. Select SBRT with 1 and 4 .
5. Adjust SUB BRIGHT level with 3 and 6 so that the stripe second
from the right is faintly visible.
6. Write into memory by pressing MUTING then ENTER .
white
black
second from the right
SUB CONTRAST ADJUSTMENT (RDRV)
1. Input a 75% color-bar signal.
2. Set to: VIDEO mode = Standard, COLOR = Minimum, PICTURE =
100%, GON = 0 (OFF), BON = 0 (OFF)
3. Set to Service Adjustment Mode and connect an oscilloscope to pin
1 of CN351 on the A Board.
4. Set RDRV with 1 and 4 .
5. Adjust with 3 and 6 for: 1.85 ± 0.05 Vp-p.
6. Write into memory by pressing MUTING then ENTER .
White
Black
1.85 ± 0.05Vp-p
SUB HUE, SUB COLOR ADJUSTMENT
(SHUE, SCOL, 4SHU, 4COL)
Note: SCOL and SHUE are for all other inputs (NTSC/PAL M/PAL N)
4SHU and 4COL are for Video 4 input (NTSC/PAL M/PAL N)
1. Input a 75% color-bar signal.
2. Set to Service Adjustment Mode and set: VIDEO mode = Standard,
PICTURE = 100%, COLOR = 50%, HUE = 50%.
3. Connect an oscilloscope to Pin 3 of CN351 on the A Board.
4. Select SHUE and SCOL with 1 and 4 .
5. Adjust with 3 and 6 for the V1 = V4 (SCOL) and V2 = V3 (SHUE).
6. Write SHUE data one step down from even condition to NVM.
SCOL is adjusted by SHUE compensation.
7. Write into memory by pressing MUTING then ENTER .
8. Repeat Steps 1-7 for 4SHU and 4COL.
V1
V2
V3
V4
V. SIZE ADJUSTMENT (VSIZ)
1. Input a monoscope signal.
2. Set to Service Adjustment Mode.
3. Select VSIZ with 1 and 4 .
4. Adjust with 3 and 6 for the best vertical size.
5. Write into memory by pressing MUTING then ENTER .
V. SIZE
V. POSITION ADJUSTMENT (VPOS)
1. Input a monoscope signal.
2. Set to Service Adjustment Mode.
3. Select VPOS with 1 and 4 .
4. Adjust with 3 and 6 for the best vertical center.
5. Write into memory by pressing MUTING then ENTER .
V. POSITION
H. SIZE ADJUSTMENT (HSIZ)
1. Input a monoscope signal.
2. Set to Service Adjustment Mode.
3. Select HSIZ with 1 and 4 .
4. Adjust with 3 and 6 for the best horizontal size.
5. Write into memory by pressing MUTING then ENTER .
H. SIZE
H. POSITION ADJUSTMENT (HPOS)
HPOS Range is from 0~15.
1. Input a monoscope signal.
2. Set to Service Adjustment Mode.
3. Select HPOS with 1 and 4 .
4. Adjust with 3 and 6 for the best horizontal center.
5. Write into memory by pressing MUTING then ENTER .
H. POSITION