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4.7.6 DEFLECTION CIRCUIT ADJUSTMENTS
•
The setting (adjustment) using the remote control unit is made on the basis of the initial setting values.
•
The setting values which adjust the screen to the optimum condition can be different from the initial setting values.
•
When performing deflection circuit adjustment, adjusts PAL signal (fv: 50 Hz) in 4:3 mode and 16:9 mode respectively, and
adjust the NTSC signal (fv: 60 Hz) similarly.
Note:
Proceed to the following adjustment after having completed the adjustments of SUB BRIGHT and SUB PICTURE.
4. DEF
Adjustment item
1. V-SHIFT
2. V-SLOPE
3. V-SIZE
4. H-CENT
5. H-SIZE
6. TRAPEZ
7. EW-PIN
8. COR-UP
9. COR-LO
10. ANGLE
11. BOW
12. V-S.CR
13. V-LIN
14. V-ZOOM
15. V-SCROLL
NOTE: The value with an asterisk * is variable for adjustment. The value in parenthesis ( ) are fixed values.
COMPRESS : OFF (4:3)
Measuring
Item
instrument
V. SLOPE
Signal
generator
adjustment
Remote
control unit
V. POSITION
Signal
generator
adjustment
Remote
control unit
1-24 (No. YA104)
Variable range
4:3
Others
50Hz
0 ~ 63
-32 ~ +31
0 ~ 63
-32 ~ +31
0 ~ 63
-32 ~ +31
0 ~ 63
-32 ~ +31
0 ~ 63
-32 ~ +31
0 ~ 63
-32 ~ +31
0 ~ 63
-32 ~ +31
0 ~ 63
-32 ~ +31
0 ~ 63
-32 ~ +31
0 ~ 63
-32 ~ +31
0 ~ 63
-32 ~ +31
0 ~ 63
-32 ~ +31
0 ~ 63
-32 ~ +31
0 ~ 63
-32 ~ +31
0 ~ 63
-32 ~ +31
Test point
Adjustment part
[4. DEF]
2. V-SLOPE
A
Blanking
line
B
[4. DEF]
1. V-SHIFT
Initial setting value
4:3
50Hz
60Hz
0*
0*
0*
0*
+15*
0*
+35*
0*
+45*
0*
0*
0*
-12*
0*
0*
0*
0*
0*
0*
0*
0*
0*
0*
0*
0*
0*
(+25)
(0)
(+32)
(0)
Description
- PAL V. SLOPE -
(1) Receive a PAL circle pattern signal of vertical frequency
50Hz.
(2) Select 4. DEF from the SERVICE MENU.
(3) Select 2. V-SLOPE.
(4) Set the initial setting value of 2. V-SLOPE.
(5) Adjust 2. V-SLOPE to make "A = B".
(6) Press the [DISPLAY] key to refurn to SERVICE MENU
screen.
- NTSC V. SLOPE -
(1) Receive a NTSC circle pattern signal of vertical frequency
60Hz.
(2) Make similar adjustment of NTSC V- SLOPE in the same
way as for "PAL V-SLOPE".
- PAL V. POSITION -
(1) Receive a PAL circle pattern signal of vertical frequency
50Hz.
(2) Select 1. V-SHIFT.
(3) Set the initial setting value of 1. V-SHIFT.
(4) Adjust 1. V-SHIFT to make "A = B".
- NTSC V. POSITION -
(1) Receive a NTSC circle pattern signal of vertical frequency
60Hz.
(2) Make similar adjustment of NTSC V. POSITION in the
same way as for "PAL V. POSITION".
COMPRESS (16:9)
50Hz
60Hz
0*
0*
0*
0*
-4*
-2*
0*
0*
0*
0*
0*
0*
0*
0*
0*
0*
0*
0*
0*
0*
0*
0*
0*
0*
0*
0*
-23*
+3*
(0)
(0)
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