Read Sony HMD-A400 Service Manual online
HMD-A400
4-2
A
312 mm
B
MODE
All mode
234 mm
a 1.5 mm
b 1.5 mm
b 1.5 mm
a
B
A
b
B
A
A
0.30 mm
B
MODE
All mode
0.35 mm
•
Convergence Rough Adjustment
1.
Enter the crosshatch signal.
2.
Recheck focus and readjust when focus was worse.
3.
Adjust roughly H. STAT and V. STAT convergence by 4
pole magnet.
pole magnet.
4.
Adjust roughly HMC and VMC by 6 pole magnet.
•
Convergence Adjustment
1.
Open H and V Stat by 4 pole magnet.
2.
Adjust 6 pole magnet perform HMC and VMC.
3.
Adjust 4 pole magnet close both Stat of R.G.B just overlap
each other Horizontal and Vertical.
each other Horizontal and Vertical.
4.
Adjust TLH for side MC by TLH magnet when R or B is in
the opposite direction.
the opposite direction.
5.
Adjust XCV to correct Vertical cross MC.
6.
Adjust XBV to correct Vertical bow MC.
7.
Adjust TLV to corect Vertical tilt MC.
8.
Adjust YCH to correct top and bottom Horizontal cross MC.
9.
Adjust YBH to correct top and bottom Horizontal bow MC.
10. Using permalloys to correct MC of the cornters.
11. Check convergence for whole screen. If necessary, perform
11. Check convergence for whole screen. If necessary, perform
step from 3-9 and correct with permalloys.
12. Paint lock 4 pole magnet, 6 poles magnets, XBV reactor
XCV corrector and TLH corrector handle.
•
Convergence Specification
•
White Balance Adjustment Specification
(1) 9300K
(2) 6500K
x = 0.283 ± 0.01
x = 0.313 ± 0.01
y = 0.298 ± 0.01
y = 0.329 ± 0.01
(2) 5000K
x = 0.346 ± 0.01
y = 0.359 ± 0.01
y = 0.359 ± 0.01
•
Vertical and Horizontal Position and Size
Specification
Specification
•
Focus adjustment
Adjust the focus volume 1 and 2 for the optimum focus.
XCV
YCH
TLH
TLV
B
R
R
B
R
R
R
B
B
B
B
R
R
YBH
XBV
R
R
B
B
6Pole Mg
Purity Mg.
DY
CRT
4Pole Mg
Focus 1
(V)
(H)
FBT
Focus 2
YV
XCV
TLH
YCH
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