Picture Quality Adjustments; Display Position Adjustment; Deflection Adjustment - Sony KV-XA34M60 Service Manual

KV-XA34M60
RM-954

5-3. PICTURE QUALITY ADJUSTMENTS

SUB COLOR ADJUSTMENT
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 03 'SCL' with 1 and 4
of the commander then adjust the VB2=VB3=VB4 3 and 6.
¡ - of the commander to write the data.
[MUTING]
6. Press
7. Add 6 steps and save the data.
8. Input NTSC Color Bar to the TV set and repeat items (3 to 7).
9. Select "WIDE" mode, write the "SAME DATA" for both PAL
and NTSC Color Bar input.
VB1
VB2 = VB3 = VB4 (Difference is within 70mV)
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 01 "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
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.
VB2 VB3 VB4
VB2 = VB3 = VB4
VB3 VB4

5-4. DISPLAY POSITION ADJUSTMENT

PIP POSITION
(Not used for these models)
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
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.
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
05
06
07
Raise/lower data using 3 and 6 buttons, select and
8.
adjust the following items to obtain optimum image.
Service Item
GEO : 00
02
03
04
08
09
0A
0B
9. After confirm WIDE MODE : ON – OFF.
10. Repeat same steps for NTSC input signal.
– 38 –
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
HSZ H POSITION
VSZ V POSITION
SCO S CORRECTION
VLN V LINEARITY
HPS H POSITION
PAP PIN AMP
TLT TILT
VPS V POSITION
BOW AFC BOW
AGL AFC ANGLE
UPN UPPER CORNER PIN
LPN LOWER CORNER PIN