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[Convergence Circuit]
10. Dynamic Convergence
Measuring
Instrument
Test Point
External Trigger
Measurement
Range
Adjustment To correct color misconvergence in Red, Green, and Blue.
purpose
Symptom when
Color misconvergence.
incorrectly adjusted
1. Supply a Full White signal (No.15).
2. Press the "TEST'', "1 ", "1 ", "8" buttons on the remote hand unit in that order to
activate the TEST 1.1.8 mode.
3. Press the "R/B" button to select the "CONV" adjustment mode.
4. When a black horizontal line or luminescent line appears horizontally on the
middle of the picture as shown below,.adjust the adjustment data for the item
"122 KOFS" so that the line disappears.
VG-814 (No.15)
Input Signal
Full White Raster
Input Terminal Mini
D-SUB
15 Pin Input Terminal
!--··-···
5. Supply a Crosshatch signal (No.13).
6. Press the "R" and "B" buttons to produce a Green monochrome picture.
7. Confirm the display concerning the following items. Perform adjustments, if
required.
Green
Item
Note (Range of adjustment data)
63 TILT
Horizontal Tilt
-
64 BOW
Horizontal Bow
-
67 SKEW
Skew
-
68 VBOW
Vertical Bow
-
70 HUN
Horizontal Linearity
-
73 HISL
Horizontal Inside Linearity 2
-
74 HCNL
Horizontal Left Pin Correction
102-152
75 HCNR
Horizontal Right Pin Correction
102-152
76 VCNL
Vertical Left Pin Correction
102-152
77 VCNR
Vertical Right Pin Correction
102-152
78 HKLT
Horizontal Keystone
-
79 HKLB
Horizontal Keystone
-
80 HKRB
Horizontal Keystone
-
81 HKRT
Horizontal Keystone
-
84 VKRB
Vertical Keystone
-
85 VKRT
Vertical Keystone
-
Note : Correct the following signals, if required.
Horizontal Signal········ "88 H26", "89 H11", ''91 H13", "92 H14"
Vertical signal············ "93 H16", "96 H23", "1 03 V12"
Continued on next page.
-27-
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