Sony Trinitron CPD-420GS, Service Manual

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CPD-420GS/GST
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3. Receive White cross-hatch.
4. Adjust HMC and VMC at six-pole magnet.
Six-Pole Magnet
5. Receive R.B. cross-hatch.
6. Adjust H.TILT by swinging the DY neck right and left.
7. Adjust XCV with XCV core.
XCV movement
8. Adjust V.TILT with TLV VR.
TLV movement.
9. Adjust Y.CROSS with YCH VR.
YCH movement
10. Paint lock the four-pole and six-pole magnet.
VR Adjustment on DY
Zero Position NECK Ass’y
Vertical and Horizontal Position and Size
Specification
Convergence Specification
Focus adjustment
Adjust focus (V) and focus (H) for optimum focus.
11. Digital Convergence Adjustment
A. Horizontal Convergence
B. Vertical Convergence
C. Repeat the procedure of A and B so that the
convergence of the entire screen is within the
specification.
2
1
2
1
G
G
R
B
R
B
B
R
R
R
B
B
R B
YCH
TLV
XCV
Purity 4-Pole Mg 6-Pole Mg
b b
a
a
A
B
a < 3.0 mm
b < 3.0 mm
A B
264 352
A 0.24mm
B 0.30mm
B
A
C
A
≤
0.25mm
B
≤
0.30mm
C
≤
0.35mm
Focus (V)
FBT
Focus (H)