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5-3. PICTURE QUALITY ADJUSTMENTS
SUB COLOR ADJUSTMENT
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.
¡ - of the commander to write the data.
[MUTING]
6. Press
7. Adjust SAJ 3 'SCL' as step 3 to 5 when receiving NTSC
color-bar.
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 HUE ADJUSTMENT
1. Select Video 1.
2. Input a NTSC 3.58 color-bar, into Video.
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.
VB1
VB3
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.
¡ - of the commander to write the data.
[MUTING]
6. Press
7. Adjust SAJ 1 'SHU' as step 3 to 6 when receiving TV mode.
VB4
VB3
VB4
5-4. DISPLAY POSITION ADJUSTMENT
PIP POSITION
(Not used for this model)
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".
¡ - of the remote commander to write the
[MUTING]
6. Press
data.
7. Use the screen display menu changing the PIP position to check
the PIP position.
5-5. DEFLECTION ADJUSTMENT
NORMAL MODE (50Hz)
1.
Set to Service Mode.
Using the 1 and 4 button, select category GEO (Service
2.
Mode).
Raise/lower the data using the 3 and 6 buttons.
3.
Select and adjust the following items to obtain optimum
image.
Service Item
GEO : 00
HPS
01
HSZ
02
PAP
03
TLT
04
VPS
05
VSZ
06
SCO
07
VLN
08
BOW AFC BOW
09
AGL
0A
UPN
0B
LPN
WIDE MODE (50Hz)
4.
Input PAL color bar.
5.
Adjust condition change to WIDE MODE : ON.
Using the 1 and 3 button, select category GEO (Service
6.
Mode).
7.
Copy (item from normal mode (50Hz)) adjusted data for
the following item:
Service Item
GEO : 01
HSZ
05
VSZ
06
SCO
07
VLN
Raise/lower data using 3 and 6 buttons, select and
8.
adjust the following items to obtain optimum image.
Service Item
GEO : 00
HPS
02
PAP
03
TLT
04
VPS
08
BOW AFC BOW
09
AGL
0A
UPN
0B
LPN
9.
After confirm WIDE MODE : ON – OFF.
10.
Repeat same steps for NTSC input signal.
– 39 –
KV-XA25M93/XA29M80
H POSITION
H SIZE
PIN AMP
TILT
V POSITION
V SIZE
S CORRECTION
V LINEARITY
AFC ANGLE
UPPER CORNER PIN
LOWER CORNER PIN
H POSITION
V POSITION
S CORRECTION
V LINEARITY
H POSITION
PIN AMP
TILT
V POSITION
AFC ANGLE
UPPER CORNER PIN
LOWER CORNER PIN
RM-954
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