25WG3
1.5 %
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1 2mm 2mm
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WAVEFORM OR OTHERSSPEC: SCANNING LINESPEC: OVER SCAN: 8.5% SPEC:
signal.using Volume key so that the center line of picture matches with the edge of blanking line.PATTERN" signal.by using Volume UP/DOWN key to adjust or align the screen center with the CRTOs geometrical center.PATTERN" signal.by using Volume UP/DOWN key to adjust or align the screen center with the CRTOs geometrical center.signal.using the volume UP/DOWN key to adjust the Vertical size until it is 8.5% overscan.PATTERN" signal.using the Volume UP/DOWN key to adjust or align the left, and right sides of screen are equal overscan size.PATTERN" signal.using the Volume UP/DOWN key to adjust or align the left and right sides of screen are equal overscan size.
ADJUSTMENT CONDITION/PROCEDURE 1.Receive the "MONOSCOPE PATTERN" 2.Call the "V-SLOPE" in SERVICE mode. 3.Increase or decrease "V-SLOPE" by 1.Receive the 50Hz "MONOSCOPE 2.Call the "V-SIFT 50" in SERVICE mode. 3.Increase or decrease the "V-SIFT 50" 4.Receive the 60 Hz "MONOSCOPE 5.Call the "V-SIFT 60" in SERVICE mode. 6.Increase or decrease the "V-SIFT 60" 1.Receive the "MONOSCOPE PATTERN" 2.Call the "V-AMP" in SERVICE mode. 3.Increase or decrease the "V-AMP" by 1.Receive the 50Hz "MONOSCOPE 2.Call the "H-SIFT 50" IN SERVICE MODE. 3.Increase or decrease the "H-SIFT 50" by 4.Receive the 60Hz "MONOSCOPE 5.Call the "H-SIFT 60" IN SERVICE MODE. 6.Increase or decrease the "H-SIFT 60" by
C BUS CONTROL)
2C BUS CONTROL)2C BUS CONTROL)2C BUS CONTROL)2C BUS CONTROL)22C BUS CONTROL)
(I(I(I
ADJUSTMENT POINT(IV-SHIFT 60 (IH-SHIFT 60 (I
HORIZONTAL, VERTICAL, DEFLECTION LOOP ADJUSTMENT.
1V-SLOPE ADJ.2V-SHIFT 503V-AMP4H-SHIFT 50
NO
y=275
Figure 5Figure 6Figure 7
1 2 3 4 5
WAVEFORM OR OTHERS*Before adjustment , make sure that this adjustment with the initial bus data "White Point (G)" & "White Point (B)" are 32.Note : White Point (G) UP " 2 " KEY DOWN " 5 " KEY White Point (B) UP " 3 " KEY DOWN " 6 " KEY As the above data can be UP / DOWN.*12300k x=272(Minolta Colour Analyzer CA-100)
A.
m
100
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0.1Vdc.
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A.
m
warm up the unit for 30 minutes or longer at a beam current of 1200 ~ 1300
OFF, Without Video Signal.(Use a 10:1 probe) Range: 500mV/div Sweep Time: 5ms/div Press "DC" modeNORMAL mode.signal reach 2.5Vdc signal.(B)" data to have a colour temperature of 12300k (White) Note.PATTERN" Signal.the No. 2 line inside the window area will disappear.Signal.TP601 (-) and TP602 (+). (Full Scale: 3.0 mA Range).Receive the "MONOSCOPE PATTERN" signal.Using the remote control, call NORMAL mode.Adjust the FOCUS control so that the shaded area of screen be in optimal focus.
ADJUSTMENT CONDITION/PROCEDURE 1.Switch TV to VIDEO MODE, Blue Back: 2.Connect the oscilloscope to TP851. 3.Using the remote controller, call 4.Adjust Screen VR so that the tip of 5.Receive the MONOSCOPE PATTERN 6.Call the "BKGD" in SERVICE mode. 7.Adjust "White Point (G)", "White Point 8.Receive the "CROSSHATCH 9.Call the "SUB BRI" in SERVICE mode. 10.Adjust the "SUB-BRI" bus data, so that Note:Before starting this adjustment,11.Receive the "MONOSCOPE PATTERN"12.Press P-NORMAL key. 13.Connect the DC Milliammeter between14.Beam current Must be 1200 1. 2. 3.
C BUS CONTROL)C BUS CONTROL)
2C BUS CONTROL)22
CRT Cut - OFF ADJ. (I(I(ICHECK
ADJUSTMENT POINT
CUT OFF , WHITE BALANCE, SUB - BRIGHT, & FOCUS ADJUSTMENT.
12White Balance ADJ.3SUB- BRIGHT ADJ.4BEAM CURRENT5FOCUS ADJ.
NO
9 |
ACEC
SHARP
