Aiwa TV-AS216 Service Manual page 41

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5-1. Screen Size and Position Adjustment
1-1. HPS Horizontal Size Adjustment
[TV / Measuring instrument setting]
Input Signal
SPEC
MODE
1. Input the LION mark signal by the mono-scope.
2. Use the VOLUME + or - key on the remote control to equalize the right and left
horizontal scales. (Fig. 1-1)
[TV / Measuring instrument setting] HPS Simple Adjustment
Input Signal
SPEC
MODE
1. Input the crosshatch signal by the pattern generator.
2. Use the VOLUME + or - key on the remote control to adjust the dot mark to
the center of the crosshatch screen and equalize the number of right and left
squares from the center (A=B). (Fig. 1-2)
1-2. VPS Vertical Position Adjustment
[TV / Measuring instrument setting]
Input Signal
SPEC
MODE
1. Input the LION mark signal by the mono-scope.
2. Use the VOLUME + or - key on the remote control to merge the centerlines,
located on the right and left edge of the mono-scope screen, and the CRT center
mark. (Fig. 1-3)
[TV / Measuring instrument setting] VPS Simple Adjustment
Input signal
SPEC
MODE
1. Input the crosshatch signal by the pattern generator.
2. Adjust to merge the dot mark, located on the center of crosshatch screen, and the
CRT center mark. (Fig. 1-4)
1-3. VSZ Vertical Size Adjustment
[TV / Measuring instrument setting]
Input Signal
SPEC
MODE
1. Input the LION mark signal with a mono-scope.
2. Use the VOLUME + or - key on the remote control to adjust the upper and
lower vertical scales to the range specified in the SPEC section. (Fig. 1-5)
NTSC mono-scope
Right and left horizontal scales are equal.
VIDEO
NTSC Crosshatch
A=B
VIDEO
NTSC mono-scope
CRT center and the mono-scope centerline
are merged.
VIDEO
NTSC Crosshatch
CRT center and the center of crosshatch
are merged.
VIDEO
NTSC mono-scope
Vertical scale ranged between 3.0 to 4.0
(88% to 92%)
VIDEO
– 41 –
ˇ ˇ
º G
Fig.1-1
Fig.1-2
Fig.1-3
Fig.1-4
Fig.1-5

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