Normal Mode Geometry Adjustment; Zoom Mode Geometry Adjustment - Sony TRINITRON KD-34XBR2 Service Manual

4-2. NORMAL MODE GEOMETRY
ADJUSTMENT
SET-UP CONDITION:
Display Mode: NORMAL (4:3 NTSC)
Picture mode: STANDARD (select the STANDARD mode from the user
menu, then press the RESET button on the remote control to set the
STANDARD settings to the factory settings).
TILT CORRECTION: set to zero (from the user menu).
VERTICAL CORRECTION: set to zero (from the user menu).
NOTE: The NORMAL mode shares the adjustments made in the FULL mode. As a rule
you should not have to make any adjustments in NORMAL mode except the vertical pin
mode which is independent of the FULL mode.
PROCEDURE:
1. Enter the service mode.
2. Display the cross-hatch pattern.
3. Adjust the vertical pincushion.
Device Name Adj. Item #
2150D-1 6
* Adjust as necessary to make the horizontal lines as straight as
possible.
4. Write the data to memory.
This completes the NORMAL mode geometry adjustment.
Name Data
VPIN *
— 20 —

4-3. ZOOM MODE GEOMETRY ADJUSTMENT

SET-UP CONDITION:
Display Mode: ZOOM
Picture mode: STANDARD (select the STANDARD mode from the user
menu, then press the RESET button on the remote control to set the
STANDARD settings to the factory settings).
TILT CORRECTION: set to zero (from the user menu).
VERTICAL CORRECTION: set to zero (from the user menu).
NOTE: The ZOOM mode shares the adjustments made in the FULL mode. As a rule you
should not have to make any adjustments in ZOOM mode except vertical size (ASPT)
and vertical position (SCRL) which are independent of the FULL mode.
PROCEDURE:
1. Enter the service mode.
2. Display the monoscope or cross-hatch pattern.
3. Adjust the pattern so that it is centered on the screen vertically.
Device Name Adj. Item #
2150D-1 12
* Adjust as necessary to vertically center the pattern. If the monoscope
pattern is not available, use the cross-hatch pattern's center dot as the
reference point.
Monoscope Pattern
4. Write the data to memory.
5. Display the monoscope or cross-hatch pattern.
6. Adjust the vertical size.
Device Name Adj. Item #
2150D-1 11
* Adjust to meet the following spec.:
Monoscope pattern: 9 boxes.
Cross-hatch pattern: 70% of the full pattern height.
Monoscope Pattern
4. Write the data to memory.
This completes the ZOOM mode geometry adjustment.
KD-34XBR2
Name Data
SCRL *
A
A = B
B
Name Data
ASPT *
9 boxes
(monoscope
pattern only!)