Sony KV-32HQ150B Service Manual ▷ View online
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V.STAT
Vertical Static Magnet
H.STAT
convergence
control
RV7301 (H STAT)
H STAT Convergence
(on mount side)
H STAT Convergence
(on mount side)
Center dot
Screen centre convergence [Static convergence]
1.
Input a dot pattern signal from the pattern generator.
2.
Normalize the picture setting.
3.
[Moving vertically], adjust the V.STAT magnet so that the
vertical red, green and blue dots coincide at the centre of the
screen.
vertical red, green and blue dots coincide at the centre of the
screen.
3-3. Convergence
By opening or closing the V.STAT magnet, the red green and
blue dots move in the direction indicated below.
blue dots move in the direction indicated below.
B
G
R
B
G
R
4.
Correction for HMC [Horizontal mis-convergence] and VMC
[Vertical mis-convergence] by using the BMC [Hexapole]
magnet.
[Vertical mis-convergence] by using the BMC [Hexapole]
magnet.
a). HMC correction by BMC [Hexapole] magnet and movement of
the electron beam.
H M C c o r r e c t i o n ( A )
H M C c o r r e c t i o n ( B )
A < B
A = B
R G
B
R G B
A > B
A = B
R
G B
R G B
A B
A B
A B
A B
C < D
C = D
C > D
C = D
R
G
G
B
C
D
C
D
R
G
B
R
G
B
R
G
B
V M C c o r r e c t i o n ( A )
V M C c o r r e c t i o n ( B )
C
D
C
D
b). VMC correction by BMC [Hexapole] magnet and movement of
the electron beam.
Note:
Do not adjust the H.STAT by rotating the V.STAT
magnets as this can affect the focus setting.
magnets as this can affect the focus setting.
TLH correction can be performed by adding a THL correction
assembly to the Deflection yoke.
assembly to the Deflection yoke.
THL Correction assy
TLH Adjustment
YCH Adjustment
+
+
+
YCH VR
Deflection Yoke
TLV Adjustment
H-TRAP Adjustment
The H-TRAP should not be adjusted unless absolutely necessary as it
affects the TLV settings.
affects the TLV settings.
+
+
+
TLV VR
Deflection Yoke
HTRAP VR
+
+
+
Deflection Yoke
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Y-splitting axis correction magnet
V STAT convergence magnet
BMC (Hexaploe) magnet
Purity magnet
a-d: screen-corner
convergence defect
convergence defect
a
b
c
d
c
a
d
b
Install the permalloy assembly
for the area that needs correcting.
for the area that needs correcting.
Permalloy Assy
X-4387-214-1.
X-4387-214-1.
Convergence adjustment with permalloy
Focus
Screen
Layout of each control
Note : If you are unable to adjust the corner
convergence properly, this can be corrected with the use of
permalloy magnets.
permalloy magnets.
3-4. Focus Adjustment
1.
Receive a cross hatch pattern from a video generator.
2.
Adjust the focus control located on the flyback transformer to
the best level at the centre of the screen.
the best level at the centre of the screen.
3.
Check left and right x-axis vertical line thickness and adjust to
make them as thin as possible.
make them as thin as possible.
4.
Considering x-axis and centre, adjust to make uniform.
5.
If no cross hatch signal is possible, follow the next three steps.
6.
Receive a television broadcast signal.
7.
Normalize the picture setting.
8.
Adjust the focus control located on the flyback transformer to
obtain the best focus at the centre of the screen.
Bring only the centre area of the screen into focus, the magenta-
ring appears on the screen. In this case, adjust the focus to
optimize the screen uniformly.
obtain the best focus at the centre of the screen.
Bring only the centre area of the screen into focus, the magenta-
ring appears on the screen. In this case, adjust the focus to
optimize the screen uniformly.
3-5. Screen (G2), White Balance
[Adjustment in the service mode using the remote
commander]
commander]
G2 adjustment
1.
Input a dot signal from the pattern generator.
2.
Set the Picture, Brightness and Colour to minimum.
3.
Apply 169V DC from an external power supply to the R, G
and B cathodes of the CRT.
and B cathodes of the CRT.
4.
Whilst watching the picture, adjust the G2 control [SCREEN]
located on the flyback transformer to the point just before the
flyback return lines disappear.
located on the flyback transformer to the point just before the
flyback return lines disappear.
White balance adjustment for TV mode
1.
Input an all-white signal from the pattern generator.
2.
Program the Remote Commander for operation in Service Mode.
[See Page 27].
[See Page 27].
3.
Enter into the ‘Service Mode’ by pressing ‘VIDEO’ button twice
and ‘MENU’ on the Service Commander.
and ‘MENU’ on the Service Commander.
4.
Select ‘Device Register Setting’ from the on screen menu display
and press ‘Right Arrow’.
and press ‘Right Arrow’.
5.
Select ‘Backend’ from the on screen menu display and press
‘Right Arrow’.
‘Right Arrow’.
6.
Set the ‘Contrast’ to MAX.
7.
Set the ‘R-Drive’ to 45.
8.
Adjust the ‘G-Drive’ and the ‘B-Drive’ so that the white
balance becomes optimum.
balance becomes optimum.
9.
Press the ‘OK’ button to write the data for each item.
10. Set the ‘Contrast’ to MIN.
11. Set the ‘R-Cutoff’ to 35.
12. Adjust the ‘G-Cutoff’, and the ‘B-Cutoff’ with the left and
11. Set the ‘R-Cutoff’ to 35.
12. Adjust the ‘G-Cutoff’, and the ‘B-Cutoff’ with the left and
right buttons on the remote commander so that the white
balance becomes optimum.
balance becomes optimum.
13. Press the ‘OK’ button to write the data for each item.
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M o d e l S e t t i n g s
M o d e l
3 2 H Q 1 5 0
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A E 7 S e r v i c e M e n u
M o d e l S e t t i n g s
F e a t u r e s
D e v i c e S e t t i n g s
M o n i t o r
Up: Down: Next: Page 1/1
SECTION 4
CIRCUIT ADJUSTMENTS
4-1. Electrical Adjustments
Service adjustments to this model can be performed using the
supplied remote Commander RM-940.
supplied remote Commander RM-940.
3.
To return the remote commander to normal operation mode
repeat step 1. then press 00000. The TV LED should light.
The remote commander is now set to normal mode.
repeat step 1. then press 00000. The TV LED should light.
The remote commander is now set to normal mode.
Programming the Remote Commander for
Operation in Service Mode
Operation in Service Mode
Setting the TV into Service Mode
1.
Program the remote commander for operation in Service
Mode as described above.
Mode as described above.
2.
Turn on the TV main power switch.
3.
Press the video standby button
on the remote
commander twice.
‘TT ’ will appear in the upper right corner of the screen.
Other status information will also be displayed.
‘TT ’ will appear in the upper right corner of the screen.
Other status information will also be displayed.
4.
Press ‘MENU’ on the remote commander twice to obtain the
following menu on the screen.
5.
Move to the corresponding adjustment item using the
up or down arrow buttons on the Remote Commander.
up or down arrow buttons on the Remote Commander.
6.
Press the right arrow button to enter into the required menu item.
7.
Press the ‘Menu’ button on the Remote Commander to quit the
Service Mode when all adjustments have been completed.
Service Mode when all adjustments have been completed.
Note :
·
·
After carrying out the service adjustments, to prevent the
customer accessing the ‘Service Menu’ switch the TV set
OFF and then ON.
customer accessing the ‘Service Menu’ switch the TV set
OFF and then ON.
·
Certain menu items are only available in production mode.
1.
Press and hold the left Mode Select button
until the VCR and DVD LED’s flash.
until the VCR and DVD LED’s flash.
2.
Press 99999. The TV LED should light.
The remote commander is now set to
Service Mode.
The remote commander is now set to
Service Mode.
‘Model Settings’ is a sub menu of the ‘Service Menu’.
This menu stores a list of models that are supported by the chassis.
Press the cursor right key to move to the model selection then press
the cursor up or down keys to scroll through the models available.
Press the OK key to select the model highlighted by the cursor.
This menu stores a list of models that are supported by the chassis.
Press the cursor right key to move to the model selection then press
the cursor up or down keys to scroll through the models available.
Press the OK key to select the model highlighted by the cursor.
The model setting is stored in flash and is used by the software for
model dependent features or parameters to be available.
The cursor left key will return to ‘Service Menu’.
model dependent features or parameters to be available.
The cursor left key will return to ‘Service Menu’.
Model Settings
Table.4-2
Features
F e a t u r e s
C a m e r a
N o
M e m o r y S t i c k
N o
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‘Features’ is a sub menu of the ‘Service Menu’.
This menu is used to set up the digital camera and memory stick for
those models which have this accessory and functions.
Press the cursor right key to move to the selection field then press the
cursor up or down keys to scroll to Yes or No. Press the OK key to
select the required option.
The cursor left key will return to ‘Service Menu’.
This menu is used to set up the digital camera and memory stick for
those models which have this accessory and functions.
Press the cursor right key to move to the selection field then press the
cursor up or down keys to scroll to Yes or No. Press the OK key to
select the required option.
The cursor left key will return to ‘Service Menu’.
Table.4-1
Table.4-3
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Device Settings
Table.4-5
Table.4-4
Table.4-7
Table.4-8
Table.4-9
D e v i c e S e t t i n g s
B a c k e n d
3 D C o m b
A n a l o g u e C h r o m a
D i g i t a l C h r o m a
A n a l o g u e S o u n d
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‘Device Settings’ is a sub menu of the ‘Service Menu’.
This menu displays a list of I2C devices that are used in the chassis.
Pressing the cursor up & down keys will scroll through the options
available.
The cursor left key will return to ‘Service Menu’.
This menu displays a list of I2C devices that are used in the chassis.
Pressing the cursor up & down keys will scroll through the options
available.
The cursor left key will return to ‘Service Menu’.
Backend
Table.4-6
N o .
N a m e
D e f .
M i n
M a x
V a l .
1
P I C _ O N
1
0
1
1
2
R _ O N
0
0
1
1
3
G _ O N
0
0
1
1
4
B _ O N
0
0
1
1
5
D C O L
0
0
3
0
6
W B _ S W
0
0
1
0
7
P I C T U R E
4 5
0
6 3
4 0
8
V M _ L M T
3
0
3
3
9
H U E
3 1
0
6 3
3 1
1 0
Y O F F S E T _ S W
0
0
1
0
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B a c k e n d
C X A 2 1 7 0 _ B a c k e n d
C X A 2 1 7 0 _ B a c k e n d _ S e t u p
C X A 2 1 7 0 _ D e f l e c t i o n
C X A 2 1 7 0 _ S t a t u s
M B 8 8 1 4 1 _ D e f l e c t i o n _ D A C
C X B 9 7 8 1 _ S F C
C X B 9 7 8 1 _ S F C _ S e t u p
Up: Down: Back: Next: Page 1/1
N o .
N a m e
D e f .
M i n
M a x
V a l .
1
S U B _ C O L O U R
0
- 8
8
1 1 9
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N o .
N a m e
D e f .
M i n
M a x
V a l .
1
U P _ B L K
0
0
1 5
0
2
L O _ B L K
0
0
1 5
0
3
V _ S I Z E
4 5
0
6 3
4 0
4
V _ O N
1
0
1
1
5
S W _ D C
0
0
1
0
6
V _ P O S
3 4
0
6 3
2 2
7
R S T _ S W
0
0
1
0
8
V _ L I N
7
0
1 5
7
9
S _ C O R R
0
0
1 5
0
1 0
H _ S I Z E
3 0
0
6 3
2 5
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CXA2170_Backend
CXA2170_Backend_Setup
CXA2170_Deflection
The following are examples of the menus and submenus within the
Device Settings Menu.
Device Settings Menu.
N o .
N a m e
D e f .
M i n
M a x
V a l .
1
H L O C K
0
0
1
1
2
I K R
0
0
1
1
3
H N G
0
0
1
0
4
V N G
0
0
1
0
Up: Down: Back: Edit: Reset:RED Key Page 1/1
CXA2170_Status
Table.4-6
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