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Auto Convergence Adjustment - Sony KP-EF41ME Service Manual

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GREEN VERTICAL ASYMMETRICAL PIN DISTORTION
(2ND-ORDER DISTORTION) ADJUSTMENT
1. Correct the asymmetrical pin distortion at the top and bot-
tom of the screen with GV SBOW.
GV SBOW
GREEN VERTICAL ASYMMETRICAL PIN DISTORTION
ADJUSTMENT
1. Using GV MPIN adjust the pin distortion at both edges of
the screen and at the centre.
2. Using GV PIN, adjust, so that the horizontal lines at the
top & bottom of the screen are straight lines.
3. Adjust GV MPIN & GV PIN so that there is no curve in the
horizontal lines on the entire screen.
4. After adjusting the items above, using tracking with GV
SBOW. GV MPIN, and GV PIN to correct the entire screen.
MPIN
GV SBOW
GV MPIN
GREEN AND RED REGISTRATION ADJUSTMENT
1. Receive a PAL cross-hatch signal.
2. Adjust so that the red lines lay on the green lines.
Adjust, using the same procedure as the GREEN SUB ad-
justment outline above.
Note : Main registration correction should not be while
adjusting Red adjustment.
BEWARE : Not to change Green Sub Items It' s easily
done by mistake.
PIN
GV PIN
– 47 –
KP-EF41HK/ME/MN/SN, EF48HK/ME/MN/SN,
KP-EF53HK/ME/MN/SN, EF61HK/ME/MN/SN
GREEN AND BLUE ADJUSTMENT
1. Adjust so that the blue and green lines are on top of each
other.
Note : Main registration correction should not be while
adjusting Blue adjustment.
BEWARE : Not to change Green & Red Sub Items.
It' s easily done by mistake.
REGISTRATION DATA WRITE
After Finish all PAL registration adjustments, write PAL
registration data by pressing form the appropriate buttons.
DATA WRITE
Press MUTE +0
DATA COPY FROM PAL TO NTSC
Copy PAL data to NTSC data by pressing " DISPLAY "
and " 0 "
∗ Press " + (DISPLAY) " + " 0 " to copy data from PAL to
NTSC.
If you press "
+ (DISPLAY) ", then it appears
" WRT5060 " to display.
∗ Make sure input signal is PAL. If input signal is NTSC
and do this process, NTSC data are copied to PAL data!

5-5. AUTO CONVERGENCE ADJUSTMENT

1. Enter service mode.
2. Confirm registration is well adjusted (especially center).
3. Push "Quick Focus" (Auto Convergence) button in the con-
trol panel.
4. If, Auto Convergence is successfully finished, then OK.
5. If not, please check the connection of the photo sensor and
it's harness.
RM-871

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