PINCUSHION CORRECTION ADJUSTMENT
1. Connect a color-bar generator to the analog antenna
terminal and select a crosshatch pattern.
2. Set the picture controls to the Auto level.
3. Turn off the receiver and disconnect the AC power cord
(AC 120V line).
4. While pressing the VOLUME – key, reconnect the AC
power cord. The Service Menu will now appear.
5. Select the items below with
or
key according to the
symptoms of Figure 8.
NO.
ITEM
Bit
NAME
11B
PAP2
7 - 2
Pin AMP
11E
PPH2
7 - 2
Pin Phase
120
ABO2
7 - 2
AFC Bow
121
AAN2
7 - 2
AFC Angle
11C
UCP2
7 - 2
Upper Corner Pin
11D
LCP2
7 - 2
Lower Corner Pin
6. Adjust the data with numeric keys for straight vertical
lines. To turn off the Service Menu display, press the
MENU key.
OSD ADJUSTMENT
1. Connect a color-bar generator to the analog antenna
terminal.
2. Set the picture controls to the Auto level.
3. Turn off the receiver and disconnect the AC power cord.
(120V AC line)
4. While pressing the VOLUME – key, reconnect the AC
power cord. The Service Menu display will now appear.
5. Select NO. 089 (OSD: On-Screen Display) with
or
key.
6. Adjust the + or – key for proper position shown in
Figure 9. To turn off the Service Menu display, press the
MENU key.
COMPONENT Y LEVEL CONFIRM
1. Connect a color-bar generator to the analog antenna
terminal.
2. Switch the generator to the color-bar (NTSC) pattern.
3. Connect oscilloscope probe to Connector KG pin 8 and
ground on the main board.
4. Confirm a reading of 0.62 Vp-p ± .05. See Figure 10.
5. If Y Level is out of specification, enter the Service Menu
and select item 10E Contrast Data.
6. Adjust data with numeric keys. Keep data within ±2
steps of the Initial Setup Data 57H.
— 13 —
Figure 8. Pincushion Adjustments
091
OSD
03 00000011
50mm
Visible
Area
Figure 9.
Figure 10.
0.7 Vp-p
Pin AMP
Upper Corner Pin
Lower Corner Pin
AFC Bow
Pin Phase
AFC Angle
0.62 Vp-p
