Sony TRINITRON KV-ES38N90, Service Manual

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KV-ES38N90
RM-958
6-4. DEFLECTION ADJUSTMENTS
FOR DRC 1050 MODE
1. Set to Service Mode.
2. Input a Pal cross hatch/dot signal.
3. Set the following condition.
Picture Mode to
[DYNAMIC]
, Picture Rotation to
[+/– 0]
and
Eco Mode to OFF.
4. Set to DRC 1250 mode.
5. Using the
1
and
4
buttons select category GEO
(Service Mode).
6. Raise/lower the data with the
3
and
6
buttons. Select
and adjust the following items to obtain optimum image.
GEO: 00 VSZ V SIZE
01 VPS V POSITION
02 VLN V LINEARITY
03 SCO S CORRECTION
04 HSZ H SIZE
05 HPS H POSITION
06 PAP PIN AMP
07 UPN UPPER CORNER PIN
08 LPN LOWER CORNER PIN
09 TRZ TRAPEZIUM
0A AGL AFC ANGLE
0B BOW AFC BOW
7. Using the
1
and
4
buttons select category DAC
(Service Mode).
8. Select and adjust the following items to obtain optimum
image. Raise/lower the data with the
3
and
6
buttons.
Select and adjust the following item to obtain optimum
image.
GEO: 03 CCP LOWER CORNER PIN
04 HTR HORIZONTAL TRAPEZIUM
9. Select “GEO 04 HSZ” with the
1
and
4
buttons.
10. Confirm the H Size condition. If necessary, adjust the
H SIZE to get a best condition.
11. Write into the memory by pressing
[MUTING]
then
-
on
the remote commander.
3. PAL RF INPUT
Input signal ; PAL RF color bar, 75%.
[TWIN] mode, [Service] mode.
(i) SUB CONTRAST
Condition : SAJ 00 PIC 3F
SAJ 02 COL 0
JGL 01 RGB 4
Adjusting parameter:
LEFT ; YCT 04 SCT
RIGHT ; SYC 04 SCT
VR1
VR2
GND
VR1 - VR2 = VR = 1.85 ± 0.07 (Vp-p)
(ii) SUB HUE/SUB COL
Condition : SAJ 02 COL 1F
JGL 01 RGB 7
Adjusting parameter:
LEFT ; YCT 03 SCL
RIGHT ; SYC 03 SCL
VB1 VB2 VB3
VB4
VB2 = VB3 = VB4 = ± 70 mV