Sony KP-41S5U - Manual (Page 19)

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KP-41S5/41S5B/41S5G/
41S5K/41S5R/41S5U
RM-862
3-1. SCREEN VOLTAGE ADJUSTMENT
(ROUGH ALIGNMENT)
1. Receive the Monoscope signal.
2. Set 50% BRIGHTNESS and minimum PICTURE.
3. Turn the red VR on the FOCUS block all the way to the left
and then gradually turn it to the right until the point where
you can see the retrace line.
4. Next gradually turn it to the left to the position where the
retrace line disappears.
3-3. SCREEN (G2) ADJUSTMENT
1. Connect jig (A) to 200V. In TP732, CG Board.
2. Connect jig (B) to GND. In TP733, CG Board.
3. Select with Power ON, VIDEO mode without signals.
4. Connect jig (C) to the TP701 (K.CR), TP731 (K:CG), or
TP761 (K.CB) of CR, CG, and CB Board.
5. Adjust R, G, and B screen voltage to until retrace line just
appears with screen VR on the Focus block
3-4. FOCUS VR ADJUSTMENT
1. Set in service mode.
2. Use GH (GSEL) on the service mode menu to shown only
the green color.
3. Press the Commander Menu button (convergence) and out-
put the test signal (crosshach).
4. Rotate the green VR on the FOCUS block and align to ob-
tain the optimal focus point.
5. Use GH (GSEL) from the service mode menu to set to green
and red.
6. Output the test signal and rotate the red VR to obtain the
optimum focus at the point where the red and green spots
overlap.
7. Use BH (BSEL) from the service mode menu to set to red
and blue.
8. Output the test signal and rotate the blue VR aligning to ob-
tain the optimum focus at the point where the blue and green
spots overlap.
R G B
SCREEN
R G B
FOCUS
FOCUS block
Fig. 3-1
Fig. 3-3
Scanning line visible.
A
B
Minimize both A and B.
Fig. 3-5
Lens
Fig. 3-4
3-2. FOCUS LENS ADJUSTMENT
1. Loose the lens screw.
2. Set in service mode.
3. Use GH (GSEL) on the service mode menu to shown only
the green color.
4. Press the Commander Menu button and select TEST MENU
and CONVERGENCE to display the test signal (crosshatch)
on the screen.
5. Rotate the green lens and align with the optimal focus point
from the test signal.
6. Use GH (GSEL) from the service mode menu to set to green
and red.
7. Output the test signal and rotate the red lens to obtain the
optimum focus at the point where the red and green spots
overlap.
8. Use BH (BSEL) from the service mode menu to set to red
and blue.
9. Output the test signal and rotate the blue lens to obtain the
optimum focus at the point where the blue and red spots over-
lap.
10. Tighten the lens screw.
Fig. 3-2
Minimize both A and B.
B
A
Scanning line visible.
Test signal
SECTION 3
SET-UP ADJUSTMENTS
(B) GND
(A)
200V
KR-KG-KB (C)
2.2k / 3W x2
5.6k / 3W
2.2k / 3W