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5-3. PICTURE QUALITY ADJUSTMENTS
SUB COLOR ADJUSTMENT (KV-XA29)
1. Select Video.
2. Input a PAL color-bar.
3. Set to the following condition:
PICTURE 100%, BRIGHTNESS 50%, COLOR 50%
4. Connect an oscilloscope to pin 1 (B OUT) of CN305,
A board.
5. Set to Service Mode and select SAJ 3 'SCL' with [1] and
[4] of the commander then adjust to VB2=VB3=VB4 with
[3] and [6].
6. Press [MUTING] n [0] of the commander to write the
data.
7. Input NTSC color-bar to set and repeat items 3 to 7.
8. Select the 'Wide' mode, write the 'same data-3 steps' for
both PAL and NTSC input.
VB1
VB2
VB2 = VB3 = VB4
VB2 = VB3 = VB4 (Difference is within 70mV)
SUB COLOR ADJUSTMENT (KV-XA34)
1. Select Video.
2. Input PAL Color Bar
3. Set to following condition PICTURE 100%,
BRIGHTNESS 50%, Color 50%.
4. Connect an oscilloscope to pin 1 (BOUT) of CN305,
A Board.
5. Set the service mode and select SAJ 3 'SCL' with [1] and
[4] of the commander then adjust the VB2=VB3=VB4 [3]
and [6].
6. Press [MUTING] n [0] of the commander to write the
data.
7. Add 6 steps and save the data.
8. Input NTSC Color Bar to TV set and repeat items 3 to 7.
9. Select "WIDE" mode, write the "SAME DATA" for PAL
and NTSC Color Bar input.
SUB HUE ADJUSTMENT
1. Select Video 1.
2. Input a NTSC 3.58 color-bar, video into Video 1.
3. Set the following condition:
PICTURE 100%, BRIGHTNESS 50%, COLOR 50%
4. Connect an oscilloscope to pin 1 (B OUT) of CN305,
A board.
5. Select SAJ 1 "SHU" with [1] and [4] of the commander by
setting to Service Mode and adjust to
VB1=VB2=VB3=VB4 with [3] and [6].
VB4
VB3
KV-XA29M67/XA29M97/XA34M67/XA34M97
VB1
VB2
VB1 = VB2 = VB3 = VB4
The highest level of VB1,VB2,VB3,VB4 must be aligned at
the same line. Ideal difference level between VB2 and
VB3 should be within ± 110mV.
6. Press [MUTING] n [0] of the commander to write the
data.
7. Adjust SAJ 1 "SHU" as step 3 to 6 when receiving TV
mode.
5-4. DISPLAY POSITION ADJUSTMENT
PIP POSITION
1. Input a PAL color-bar.
2. Press PIP button of the remote commander to set the PIP
picture.
3. Set to Service Mode.
4. Use 1 and 4 of the remote commander to select PIP 1
"PPH" and use 3 and 6 to set data "15".
5. Select PIP 2 "PPV" to set data "2E".
6. Press [MUTING] n [0] of the remote commander to write
the data.
7. Use the screen display menu changing the PIP position to
check the PIP position.
5-5. DEFLECTION ADJUSTMENT
NORMAL MODE (50Hz)
1. Select Video mode.
2. Using the [1] and [4] button, select category GEO
(Service Mode).
3. Raise/lower the data using the [3] and [6] buttons.
Select and adjust the following items to obtain optimum
image.
Service Item
GEO : 00
01
02
03
04
05
06
07
08
09
0A
0B
WIDE MODE (50Hz)
4. Input PAL color bar.
5. Adjust condition change to WIDE MODE : ON.
6. Using the [1] and [4] button, select category GEO
(Service Mode).
– 41 –
VB3
VB4
HPS
H POSITION
HSZ
H SIZE
PAP
PIN AMP
TLT
TILT
VPS
V POSITION
VSZ
V SIZE
SCO
S CORRECTION
VLN
V LINEARITY
BOW AFC BOW
AGL
AFC ANGLE
UPN
UPPER CORNER PIN
LPN
LOWER CORNER PIN
RM-953
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