Focus - Sony Trinitron KV-34FS12T Service Manual

Trinitron color tv
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KV-34FS12T
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4
/
*
4 / * * / 4
*
/
4
4. Tighten the deflection yoke screw.
5. Install the deflection yoke spacers.
TLH Plate Adjustment
1. Input crosshatch pattern.
2. Adjust PICTURE QUALITY to standard, PICTURE and
BRIGHTNESS to 50%, and OTHER to standard.
3. Adjust the Horizontal Convergence of red and blue dots
by tilting the TLH plate on the deflection yoke.
RV701
TLH Plate
V.STAT
CA
Board
VA
Board
B R
R B
(R)(B)
(B)(R)
* / 4
*
/
4
4 / *
* / 4 4 / *
4 / *
4
/
*
*
/
4
YCH
TLV
XCV
(TLV)
TLH+
TLH-
4. Adjust XCV core to balance X axis.
5. Adjust YCH VR to balance Y axis.
6. Adjust vertical red and blue convergence with V.TILT
(TLV VR).
Note: Perform adjustments 3-6 while tracking items 1 and 2.
Screen-Corner Convergence
1. Affix a permalloy assembly corresponding to the
misconverged areas.
b
d

3-3. FOCUS

1. Adjust FOCUS control for best picture.
Focus (FV)
Screen (G2)
— 18 —
a
a
b
a-d: screen-corner
misconvergence
c
d
c

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