Panasonic AJHVF27P, Руководство по обслуживанию

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ELE-4
2-10. V Linearity Adjustment
Board SUB1 BOARD
Spec
All circles at four corners of resolution
chart are most round.
Chart Resolution chart
TP EVF screen
Adjust RV108 (V-LIN)
1.
Aim Camera (-recorder) at “Resolution chart” then
adjust zoom and focus so that the full-size picture
is displayed on screen of EVF.
2. Adjust RV108 so that the “Circle” is most round on
each corner of resolution chart.
NOTE:
If V and H size need to be adjusted, execute “2-7
Raster size adjustment”.
2-11. Clamp Level Adjustment
Board SUB2 BOARD
Spec A = 10V+/-1V
TP CN263 1pin (CRT G1 connector)
Adjust
RV202 (CLAMP LEVEL)
input Camera Color bar
M.EQ Oscilloscope
1. Set the Camera internal color bar to ON.
2. Set the knobs as shown below.
BRIGHT knob : Center
CONTRAST, PEAKING knob : Max
3. Adjust RV202 so that the peaking level “A” at CN263
1pin is within the specification.
2-12. Sub Brightness Adjustment
Board SUB2 BOARD
Spec Pedestal portion = Just black out
TP EVF screen
Adjust
RV205 (SUB BRIGHTNESS)
input Camera Color bar
1. Set the Camera internal color bar to ON.
2. Set the BRIGHT, CONTRAST and PEAKING knobs
to Minimum level.
3. Adjust RV205 so that the pedestal portion is
changed from slightly light to dark (just black out).
2-13. Peaking Balance Adjustment
Board SUB2 BOARD
Spec
Peaking level = left and right equal
(Both sides on Resolution chart)
Chart Resolution chart
TP EVF screen
Adjust RV203 (PEAKING BALANCE)
1. Set the Knobs as shown below.
BRIGHT knob : Min
CONTRAST knob : Center
PEAKING knob : Max
2. Aim Camera (-recorder) at “Resolution chart” then
adjust zoom and focus so that the full-size picture is
displayed on screen of EVF.
3. Adjust RV203 so that the Peaking width is equal.
A
Pedestal portion = Black Out
Peaking width is equal