Sony KP-43T70K / KP-43T70T / KP-48VS70K / KP-53VS70K / KP-53VS70T Service Manual ▷ View online
– 28 –
KP-43T70K/43T70T/48VS70K/53VS70K/53VS70T
RM-Y906K
RM-Y906
RM-Y906K
RM-Y906K
RM-Y906
3-5. DEFLECTION YOKE TILT ADJUSTMENT
1. Receive the Monoscope signal.
2. Set in service mode.
3. Set VPNT 29 GON to “001” 28 RON to “000” and 30 BON to
“000” to show only the green color.
4. Loosen the deflection yoke set screw and align the tilt of the
Deflection Yoke so that the bars at the center of the
monoscope pattern are horizontal.
5. After aligning the deflection yoke, fasten it securely to the
funnel-shaped portion (neck) of the CRT.
6. The tilt of the deflection yoke for red is aligned in the mode
VPNT 28 RON “001”, 29 GON “000”, 30 BON “000” on the
service mode menu, and the tilt of the deflection yoke for biue
is aligned with in the mode VPNT 28 RON “000”, 29 GON
“000”, 30 BON “001” on the service menu, is aligned the
same as was done for green.
3-7. 4-POLE MAGNET ADJUSTMENT
1. Receive the Dot signal.
2. Set in service mode.
3. Set VPNT 29 GON to “001” 28 RON to “000” and 30 BON to
“000” to show only the green color.
4. Turn the green VR on the focus block to the left and set to
underfocus to enlarge the spot.
5. Now align the 4-Pole Magnet so that the enlarged spot
becomes a perfect circle for green and red.
6. Perform the same alignment for blue.
3-8. DEFOCUS ADJUSTMENT (BLUE)
1. Select the video menu and set the mode to “Vivid” mode.
2. Set to the service mode.
3. Change TV mode to the video input mode.
4. Set to PJE, and press 6 to display the test signal (dots) on the
screen.
5. Turn the blue VR on the focus block to adjust to the diameter
of the dots as shown in the figure below.
Fig. 3-6
2-pole magnet
4-pole magnet
Deflection yoke
Anode cap
3-6. 2-POLE MAGNET ADJUSTMENT
(GREEN,RED)
1. Receive the Dot signal.
2. Set in service mode.
3. Set VPNT 29 GON to “001” 28 RON to “000” and 30 BON to
“000” to show only the green color.
4. Turn the green VR on the focus block to the right and set to
overfocus to enlarge the spot.
5. Now align the 2-Pole Magnet so that the enlarged spot is in the
center of the Just Focus spot.
6. Align the green focus VR and set for just (precise) focus.
7. Perform the same alignment for red.
Use the center dot
Fig. 3-7
Fig. 3-8
[Focus adjustment point]
/
x
y
x : y = 1:1.5 (BIue)
x : y = 1:1 (Green, Red)
x : y = 1:1 (Green, Red)
Use the center dot
Lmm Max
Inch
L
43"
6
48"
7
53"
8
Fig. 3-9
– 29 –
KP-43T70K/43T70T/48VS70K/53VS70K/53VS70T
RM-Y906K
RM-Y906
RM-Y906K
RM-Y906K
RM-Y906
2
5
8
0
1
4
7
3
6
9
ENTER
JUMP
GUIDE
INDEX
RESET
MENU
POWER
MUTING
FREEZE
AUDIO
ANT
TV/VIDEO
DISPLAY
MTS/SAP
CC
PICTURE
MODE
POSITION
ACTIVE
SWAP
PIP
TV/VTR
SYSTEM
OFF
DVD/VTR SAT/CABLE
TV
DVD/
VTR
SAT/
CABLE
FUNCTION
SLEEP
m
N
M
x
z
X
TV
3-9. ELECTRICAL ADJUSTMENT BY REMOTE
COMMANDER
3. The SCREEN displays the item being adjusted.
4. Press 1 or 4 on the Remote Commander to select the
adjustment item.
5. Press 3 or 6 on the Remote Commander to change the data.
6. Press 2 or 5 on the Remote Commander to select the
category.
7. If you want to recover the latest values press - then [ENTER] to
read the memory.
8. Press [MUTING] then [ENTER] to write into memory.
9. Turn power off.
Note: Press 8 then [ENTER] on the Remote Commander to initialize
or turn set off and on to exit.
2. MEMORY WRITE CONFIRMATION METHOD
1. After adjustment, remove the plug from AC outlet, and then
replace the plug in AC outlet again.
2. Turn the power switch ON and set to Service Mode.
3. Call the adjusted items again and confirm they were adjusted.
Category Adjustment item
DATA
(SCREEN DISPLAY)
SERVICE VPNT VPOS 031
000000 00
000000 00
By using Remote Commander (RM-Y906/Y906K),all circuit
adjustments can be made.
NOTE : Test Equipment Required.
1. Pattern Generator
2. Frequency counter
3. Digital multimeter
4. Audio oscillator
1. METHOD OF SETTING THE SERVICE ADJUSTMENT MODE
SERVICE MODE PROCEDURE
1. Standby mode. (Power off)
2. DISPLAY n 5 n VOL (+) n TV POWER
on the Remote Commander.
(Press each button within a second.)
SERVICE MODE ADJUSTMENT
3. ADJUST BUTTONS AND INDICATOR
MUTING
TV POWER ON
RM-Y906/Y906K
Category up
Data up
Data down
Category down
DISPLAY
Adjustment
item up
item up
Adjustment
item down
item down
ENTER
Note : In the PJE mode these are different a little. See page 34.
– 30 –
KP-43T70K/43T70T/48VS70K/53VS70K/53VS70T
RM-Y906K
RM-Y906
RM-Y906K
RM-Y906K
RM-Y906
4. SERVICE MODE LIST
VPNT
VPNV
M
E
T
I
R
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B
M
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N
T
N
E
M
T
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A
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A
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G
N
A
R
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A
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N
A
T
S
A
T
A
D
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T
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N
0
V
R
B
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3
6
-
0
7
2
D
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V
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V
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F
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N
T
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B
B
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1
V
M
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3
-
0
1
D
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F
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L
A
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M
A
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2
V
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1
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0
1
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F
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3
V
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B
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1
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0
1
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F
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D
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M
L
B
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4
V
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A
1
,
0
0
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Y
-
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,
Y
-
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0
S
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2
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3
-
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D
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F
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V
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L
A
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2
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1
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0
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D
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-
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3
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1
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B
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4
S
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A
1
,
0
0
D
R
A
D
N
A
T
S
R
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F
Y
-
G
,
Y
-
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S
I
X
A
VPNS
a
t
a
d
d
e
x
i
F
:
M
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B
M
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A
M
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N
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N
A
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A
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T
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N
0
S
O
P
V
3
6
-
0
1
3
N
O
I
T
I
S
O
P
V
1
Z
I
S
V
3
6
-
0
1
3
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Z
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V
2
M
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C
V
3
-
0
0
P
M
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V
3
N
I
L
V
5
1
-
0
7
Y
T
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4
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5
1
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7
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7
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3
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8
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