Sony KV-SA32M36 Service Manual ▷ View online
– 8 –
KV-SA32M36
RM-W107
4
Anode Cap Removal
qd
Screw, Tapping 7 + Crown Washer
8
Earth Coating Assy Removal
q;
Loosen the Neck Assembly
fixing screw and remove
Neck Assy & VM Board
Neck Assy & VM Board
qa
Loosen the Deflection Yoke
fixing screw and remove
9
C Board Removal
7
Spring Tension(2)
Removal
Removal
5
Holder, DGC(2) Removal
6
DGC(2) Removal
qs
Supports, CRT(2) Removal
• REMOVAL OF ANODE-CAP
Note:
• After removing the anode, short circuit the anode of the picture tube and the anode cap to the metal chassis, CRT
shield or carbon paint on the CRT.
•
REMOVING PROCEDURES
1 Turn up one side of the rubber cap in the direction
indicated by the arrow a.
2 Using a thumb pull up the rubber cap firmly in the direc-
tion indicated by the arrow b.
3 When one side of the rubber cap is separated from the
anode button, the anode-cap can be removed by
turning up the rubber cap and pulling it up in the
direction of the arrow c.
turning up the rubber cap and pulling it up in the
direction of the arrow c.
•
HOW TO HANDLE AN ANODE-CAP
1 Do not damage the surface of anode-caps with
sharp shaped objects.
2 Do not press the rubber too hard so as not to
damage the inside of anode-cap.
A metal fitting called the shatter-hook terminal is
built into the rubber.
A metal fitting called the shatter-hook terminal is
built into the rubber.
3 Do not turn the foot of rubber over too hard.
The shatter-hook terminal will stick out or damage
the rubber.
the rubber.
a
a
b
b
c
anode button
1-12. PICTURE TUBE REMOVAL
Note:
•
The Picture tube is upside-down for this model and the position for the anode cap and tension spring are changed
accordingly.
accordingly.
•
Please make sure the TV set is not in standing position before removing necessary CRT support located on bottom
right and left.
right and left.
1) Remove the rear cover.
2) Unplug all interconnecting leads from the Deflection yoke, Neck assy, Degaussing Coil and CRT grounding strap.
2) Unplug all interconnecting leads from the Deflection yoke, Neck assy, Degaussing Coil and CRT grounding strap.
Remove Chassis Assy.
3) Place the TV set with the CRT face down on a cushion jig
– 9 –
KV-SA32M36
RM-W107
The following adjustments should be made when a
complete realignment is required or a new picture tube is
installed.
complete realignment is required or a new picture tube is
installed.
Set the controls as follows unless otherwise noted:
VIDEO MODE: .................................................... Standard
PICTURE CONTROL: ......................................... Normal
BRIGHTNESS CONTROL: ................................. Normal
VIDEO MODE: .................................................... Standard
PICTURE CONTROL: ......................................... Normal
BRIGHTNESS CONTROL: ................................. Normal
Perform the adjustments in the following order :
1. Beam Landing
2. Convergence
3. Focus
4. Screen(G2)
5. White Balance
2. Convergence
3. Focus
4. Screen(G2)
5. White Balance
Note : Test Equipment Required.
1. Pattern Generator
2. Degausser
3. DC Power Supply
4. Digital Multimeter
5. Oscilloscope
2. Degausser
3. DC Power Supply
4. Digital Multimeter
5. Oscilloscope
SECTION 2
SET-UP ADJUSTMENTS
Preparation :
•
•
In order to reduce the influence of geomagnetism on
the set's picture tube, face it east or west.
the set's picture tube, face it east or west.
•
Switch on the set's power and degauss with the
degausser.
degausser.
2-1. BEAM LANDING
PICTURE MODE: DYNAMIC
1. Input a white signal with the pattern generator.
Contrast
Brightness
Brightness
2. Position neck assy as shown in Fig 2-1.
3. Set the pattern generator raster signal to a green
3. Set the pattern generator raster signal to a green
raster.
4. Move the deflection yoke to the rear and adjust with
purity control so that the green is at the center and the
blue and the red take up equally sized areas on each
side. (Figures 2-2 through 2-4.)
blue and the red take up equally sized areas on each
side. (Figures 2-2 through 2-4.)
5. Move the deflection yoke forward and adjust so that the
entire screen is green. (Figure 2-2.)
6. Switch the raster signal to blue, then to red and verify
the condition.
7. When the position of the deflection yoke have been
decided, fasten the deflection yoke with the screws and
DY spacers.
DY spacers.
8. If the beam does not land correctly in all the corners,
use a magnet to adjust it.
(Figure 2-5.)
(Figure 2-5.)
Fig. 2-1
Fig. 2-2
Fig. 2-4
Fig. 2-3
Red
Blue
Green
a
b
b
c
c
d
d
a
Purity control
corrects this area.
corrects this area.
Disk magnets or rotatable
disk magnets correct these
areas (a-d).
disk magnets correct these
areas (a-d).
Deflection yoke positioning
corrects these areas.
corrects these areas.
Purity control
Neck assy
G2
G1
G3
Align the edge of
the neck assy with
the edge of the G2 grid.
the neck assy with
the edge of the G2 grid.
normal
}
......................................................................................................................................................................................................................
Fig. 2-5
– 10 –
KV-SA32M36
RM-W107
R G
B
R
G
B
R
G B
R
B
R
G
G
G
B
R
B
2-2. CONVERGENCE
•
Before starting this adjustment, adjust the focus,
horizontal size and vertical size.
horizontal size and vertical size.
•
Receive dot/hatch signal
•
Pic mode: Soft
(1) Horizontal and Vertical Static Convergence
1. (Moving vertically), adjust the V.STAT magnet so that
the red, green and blue dots are on top of each other at
the centre of the screen.
the centre of the screen.
2. (Moving horizontally), adjust the H.STAT VR control so
that the red, green and blue dots are on top of each
other at the center of the screen.
other at the center of the screen.
3. If the H.STAT variable resistor cannot bring the red,
green and blue dots together at the center of the
screen, adjust the horizontal convergence with the
H.STAT variable resistor and the V.STAT magnet in the
manner given below.
(In this case,the H.STAT variable resistor and the
V.STAT magnet influence each other so be sure to
perform adjustments while tracking).
screen, adjust the horizontal convergence with the
H.STAT variable resistor and the V.STAT magnet in the
manner given below.
(In this case,the H.STAT variable resistor and the
V.STAT magnet influence each other so be sure to
perform adjustments while tracking).
4. BMC (Hexapole) Magnet.
If the red, green and blue dots are not balanced or
aligned, then use the BMC magnet to adjust in the
manner described below.
aligned, then use the BMC magnet to adjust in the
manner described below.
H. STAT VR
V. STAT
Magnet
Magnet
RV705
H. STAT
H. STAT
RV1800
SCREEN (G2)
SCREEN (G2)
C Board
Center dot
R G B
G
R
B
a
a
b
b
b
R
R
G
G
B
B
a
b
R
R
G
G
B
B
1
V. STAT
2
H. STAT VR
R
R
G
G
B
B
a
a
b
b
b
R
R
G
G
B
B
a
b
3
H. STAT
R
R
G
G
B
B
a
a
b
b
b
Purity
BMC
BMC (Hexapole)
Purity
DY pocket
V.STAT
V.STAT
4
BMC (Hexapole) Magnet
5. Operation of V.STAT magnet
If the V.STAT magnet is moved in the "a" and "b" arrows,
the red, green and blue dots moves as shown below.
the red, green and blue dots moves as shown below.
6. Moved RV705 H.STAT.
the red, green an blue dots move as shown below.
– 11 –
KV-SA32M36
RM-W107
(2) Dynamic Convergence Adjustment
Preparation:
Before starting this adjustment, adjust the horizontal and
the vertical static convergence
Before starting this adjustment, adjust the horizontal and
the vertical static convergence
7. Y separation axis correction magnet adjustment.
1. Receive the cross-hatch signal and adjust
[PICTURE] to [MIN] and [BRIGHTNESS] to
[STANDARD] .
[STANDARD] .
2. Adjust the Y separation axis correction magnet on
the neck assembly so that the horizontal lines at
the top and bottom of the screen are straight.
Neck assy
Neck assy
Red
Blue
Red
Blue
VM board
VM board
R B
R B
TLH
TLV
YCH
XCV
B
R
R
B
(VR1)
TLV1 (no need to adjust)
TLV1 (no need to adjust)
DY pocket
(XCV)
DY pocket
TLH Plate
(VR3)
TLV2
(XCV)
(VR2)
YCH
ON DY:
(3) Screen-corner Convergence
If you are unable to adjust the corner convergence
properly, this can be corrected with the use Permaloy
Assy Correction.
properly, this can be corrected with the use Permaloy
Assy Correction.
1. Affix the Permaloy Assy Correction corresponding to the
misconverged areas.
TLV
Rotate TLV-2 VOL (29", 34") on DY
XCV
Rotate XCV
Adj core on DY
YCH
Rotate YCH
VOL on DY
TLH
Insert
TLH
Correction Plate to DY Pocket
(Left or Right)
b
a
c
d
a-d : screen-corner
misconvergence
misconvergence
a
b
c
d
a to d : Permaloy Assy Correction
Fix a Permaloy Assy Correction
to the misconverged areas
to the misconverged areas
Click on the first or last page to see other KV-SA32M36 service manuals if exist.