AV-27D502
26
No. 51797
Item
Measuring
instrument
Test point
Adjustment part
Description
V CENTER and
TRAPEZIUM
Adjustment
Signal
generator
No.68 V CENTER
No.78 TRAPEZ
Note:
Proceed to the following this adjustment after having completed the
adjustments of SUB BRIGHT and SUB CONTRAST.
1. Receive a crosshatch signal.
2. Adjust the No.68 V CENTER of the PICTURE MODE to be the same
between the CRT vertical center and crosshatch vertical center.
3. Adjust the No.78 TRAPEZ of the PICTUER MODE to be the vertical
lines straight.
4. Confirm the vertical lines to be straight. If it is not straight, adjust to
be straight at the No.78 TRAPEZ.
Signal
generator
Note:
Proceed to the following this adjustment after having completed the
adjustments of FOCUS, SUB BRIGHT, SUB CONTRAST, V CENTER,
TRAPEZIUM, V-SIZE and V-LINEARITY.
1. Receive a crosshatch signal.
2. Select the No.72 H POSI of the PICTURE MODE.
3. Adjust the No.72 H POSI until the screen will be horizontally centered.
No.72 H POSI
Note:
Proceed to the following this adjustment after having completed the
adjustments of SUB BRIGHT and SUB CONTRAST.
1. Receive a crosshatch signal.
2. Select the No.66 V SIZE of the PICTURE MODE to squeeze the
laster.
3. Adjust the No.65 V LIN of the PICTURE MODE to be symmetrical.
4. Adjust the No.66 V SIZE until the vertical screen size is 90%.
Screen size
Picture size 100%
Screen
size 90%
Picture
size 100%
H POSITION
Adjustment
ADJUSTMENT OF DEFLECTION
PIP DISPLAY
POSITION
Adjustment
Notes:
• Proceed to the following this adjustment after having completed the
adjustments of V CENTER, TRAPEZIUM, V-SIZE, V-LINEARITY and
H POSITION for the main picture.
• Set VIDEO STATUS to “STANDARD”.
1. Receive a broadcast.
2. Select the PIP MODE from the SERVICE MENU.
3. Then adjust the PIP screen size so that it occupies 80% ± 2% of the
main screen area.
No.11 LEFT POS.
No.12 RIGHT POS.
No.13 UPPER POS.
No.14 LOWER POS.
LEFT POS.
RIGHT POS.
UPPER POS.
LOWER POS.
Main
screen
size
Main screen size
80%
±
2%
80%
±
2%
V-SIZE and
V-LINEARITY
Adjustment
Signal
generator
No.66 V SIZE
No.65 V LIN
Содержание AV 27D502
Страница 62: ...AV 27D502 AV 27D502 No 51797 No 51797 TOP FRONT AV SELECTOR PWB PATTERN 2 20 2 19 ...
Страница 63: ...AV 27D502 AV 27D502 No 51797 No 51797 CRT SOCKET PIP TOP FRONT TOP CRT SOCKET AND PIP PWB PATTERNS 2 21 2 22 ...
Страница 84: ...AV 27D502 No 51797 43 ...
Страница 130: ...Troubleshooting 46 ...
Страница 135: ...Specifications 51 Specifications subject to change without notice ...