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2. Color Output, Hue Adjustment
Adjustment jig
Color pattern generator
Oscilloscope
Measuring location
Board [A], TP47G, TP47R
Input signal
Rainbow color pattern
Fig. 1: TP47R
A
1 2
3
4
5
6 7
A:B=1:3
Fig. 2: TP47G
3
4
5
6
1
2
7
8
Geomagnetic adjustment (TC-33P10N only)
1. Geomagnetic adjustment
Adjustment jig
Demagnetizer
DC voltage meter
Measuring location
Board [GM], TPGM1 (Pin 1,2)
Input signal
1. Demagnetize the GM-Board around its preimeter with the
Demagnetizer.
2. Set to control;
GEOMAGNETIC SENSOR ....... ON
1. Make the following setting in service maintenance mode.
B
2. Confirm that TPD2 of board [D] and TP02 of board [A] are
3. Receive a rainbow color bar.
4. Select the item [
8
9 10
5. Select the item [
1.0
0.05V
6. Select the item [
9 10
7. Disconnect TPD2 of board [D] and TP02 of board [A] from earth.
Performed after "1. Contrast Adjustment".
Adjustment conditions
Image menu
Image adjustment
At this time, record the original values.
(Sub-adjustment)
WB
(WB adjustment)
connected to earth.
] (Hue) of [
adjust the remote control buttons [VOL +/-] so that the signal phase
at TP47R of board [A] becomes A:B = 1:3 as shown in the figure on
the left. At this time, record the adjustment value.
] (Color darkness) of [
adjustment) and adjust the remote control buttons [VOL +/-] so that
the signal level at TP47G of board [A] (Fig. 2) becomes 1.0
Next, set the value to 20 steps (hexadecimal) below this adjustment
value. (Press the remote control button [VOL -] 20 times.)
] (Hue) of [
set to a value 20 steps (hexadesimal) below the recorded value.
(Press the remote control button [VOL -] 20times.)
3. Connect a DC voltage meter to TPGM1-2pin (GM-
Board).
4. Adjust the R4863 (GM-Board) so that the Vx Out at
TPGM1-2pin becomes 4.55
5. Connect a DC voltage meter to TPGM1-1pin (GM-
Board).
6. Adjust the R4861 (GM-Board) so that the Vy Out at
TPG1-1pin becomes 4.75
- 27 -
Dynamic
Color darkness
Center (0)
Hue
Center (0)
Picture
Maximum (+30)
Black level
Center (0)
1F
(Color darkness)
1F
(Hue)
1F
(Black level)
G-CUT
7F
] (Sub-adjustment) and
] (Sub-adjustment) and
0.05V.
0.05V.
] (Sub-
0.05V.
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