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PDF ( 数据手册 , 数据表 ) KV-29LS60E

零件编号 KV-29LS60E
描述 Service Manual
制造商 Sony
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KV-29LS60E 数据手册, 描述, 功能
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SERVICE MANUAL
AE-6B CHASSIS
MODEL
COMMANDER DEST
CHASSIS NO.
MODEL
COMMANDER DEST
CHASSIS NO.
KV-29LS60B RM-932
KV-29LS60E RM-932
KV-29LS60KFR SCC-Q83A-A
RM-932
ESP SCC-Q81A-A
OIRT SCC-Q82B-A
KV-29LS60
RM-932
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KV-29LS60E pdf, 数据表
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KV-29LS60E equivalent, schematic
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SECTION 3 SET-UP ADJUSTMENTS
• When complete readjustment is necessary or a new picture tube
is installed, carry out the following adjustments.
• Unless there are specific instructions to the contrary, carry out
these adjustments with the rated power supply.
• Unless there are specific instructions to the contrary, set the
controls and switches to the following settings :
Contrast .................................. normal
Brightness .................................. normal
Carry out the adjustments in the following order :
3-1. Beam Landing.
3-2. Convergence.
3-3. Focus.
3-4. White Balance.
Note : Test equipment required.
1. Color bar/pattern generator.
2. Degausser.
3. Oscilloscope.
4. Digital multimeter.
3-1. Beam Landing
Preparation :
1. In order to reduce the influence of geomagnetism on the set’s
picture tube, face it in an easterly or westerly direction.
2. Switch on the TV set’s power and degauss with a degausser.
(1) Adjustment of Correction Magnet for Y-Splitting Axis.
1. Input a crosshatch signal from the pattern generator.
2. Set the Picture control to minimum and confirm that the
Brightness control is set to normal.
3. Position the neck assembly as indicated in Fig.3-2.
4. Loosen the deflection yoke fixing screw.
5. Move the deflection yoke as far forward as is possible.
6. Adjust the upper and lower pin symmetrically by opening or
closing theY-splitting axis correction magnets located on the
neck assembly. [See Fig 3-3]
7. Return the deflection yoke to its original position and re-tighten
its fixing screw.
Fig.3-1
Y-splitting axis correction magnet
(2) Landing
Note : Before carrying out the following adjustments adjust the
magnets as indicated below [See Fig.3-4].
1. Input a crosshatch signal from the signal generator.
2. Rough-adjust the focus and horizontal convergence.
3. Switch from the crosshatch pattern to an all-red pattern.
4. Move the deflection yoke backwards and adjust with the purity
magnet so that the red is at the centre and it aligns
symmetrically [See Fig.3-5].
5. Move the deflection yoke forward to the point where the entire
screen just becomes red [Mark its position].
6. Move the deflection yoke further forward until the screen just
changes colour at the edges. [Mark its position]
7. Position the deflection yoke between the two marks indicated
above.
8. Input a crosshatch pattern from the pattern generator and rotate
the deflection yoke so that the horizontal lines are parallel with
the top and bottom of the screen.
9. When the position of the deflection yoke has been determined,
fasten it with its fixing screw.
10. Switch the pattern generator to green then blue and confirm the
purity.
11. If the beam does not land correctly in all the corners of the
screen, use disk magnets to correct it. [Confirm the corner
landing forgreen and blue]
Fig.3-2
Neck assy
G2
G1
+
G3
Align the edge
of the neck assy with
the edge of the G2 grid
on the G3 side.
Caution :
High voltages are present on the Deflection yoke terminals - take care
when handling the Deflection yoke whilst carrying out
adjustments.
Fig.3-3
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