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TEST EQUIPMENT
1. 2. 3. 4. 5. Standard Signal Generator (LEADER3216 Oscilloscope Digital Voltmeter High Voltage Meter Demagnetizing Coil PT)
Tip: some adjustments must be performed in the SERVICE menu. You can enter the SERVICE menu in the following way: 1. Press the MENU button on the remote control then press the INFO button on the remote control at least 5 times immediately. 2. Press the CH+/- buttons to select the desired mode or press 0-9 number buttons to enter the SERVICE "X" menu directly and then press the CH+/- buttons to select the desired mode. 3. Press the VOL+/- buttons to change the settings.
IF ADJUSTMENT 1. Enter the SERVICE menu and press the number button "4" on the remote control to bring up SERVICE 4. 2. Set the IFFS to "1".
B+ ADJUSTMENT TEST EQUIPMENT: DIGITAL METER 1.Operate the TV set with AC 120V. 2.Connect the digital voltmeter + lead to C959 and GND. Adjust the RP950 until the meter reading DC108¡.5V. 0
GEOMETRY ADJUSMENT 1. Receive a geometry pattern. 2. Enter the SERVICE menu (SERVICE 1 for horizontal and SERVICE 2 for vertical). 3. Select a value between 0 and 63, and the changed value is stored immediately. Horizontal: 6PAR: Horizontal Parallelogram (not adjust) Set the horizontal parallelogram to change to rectangle or trapezium. 6BOW: Horizontal Bow (not adjust) Set the vertical lines straight. 6HSH: Horizontal Delay (horizontal shift) Set the horizontal centre of the picture at the centre of the tube. 6EWW: Horizontal Width (not adjust)
Set the correct picture width. 6EWP: East-west parabola correction (not adjust) Set the vertical lines at the sides of the screen straight. 6UCR: East-west corner-correction (not adjust) Set the vertical lines in the upper corners straight. 6LCR: East-west corner-correction (not adjust) Set the vertical lines in the lower corners straight. 6EWT: Trapezium correction (not adjust) Set the vertical lines as vertical as possible. Vertical: 6VSL: Vertical S-correction Set the vertical lines as vertical as possible. 6VAM: Vertical Amplitude (picture height) Set the correct picture height. 6SCL: Vertical Linearity Set the height of the squares in the top and bottom of the picture so that they are of equal height. 6VSH: Vertical Shift Set the vertical centre of the picture at the centre of the tube.
WHITE BALANCE ADJUSTMENT 1. Enter the TV menu and set the color mode to "NORMAL". 2. Receive a black-white pattern with color sync signal. 3. Adjust the CONTRAST and BRIGHTNESS in such a way that the brightness value of the black area is 5 nit and the white is 80 nit. 4. Enter the SERVICE 3 menu and adjust RED, GRN, WPR, WPG and WPB in such a way that X and Y have the following values: X=0.248, Y=0.299
FOCUS ADJUSTMENT 1.Set CONTRAST control to maximum position and BRIGHTNESS control to middle position. 2.Adjust FOCUS control (on the FBT) to obtain the sharpest and clearest picture on the CRT.
RF AGC 1.Receive the signal of channel 13 (VHF HIGH). 2.Set the input field strength to 60 dB. V 3.Adjust RF AGC (TOP, in SERVICE 4) control to the point where noise is the least. OSD ADJUSTMENT 1.Receive the TV Signal with caption text.
2.Enter the SERVICE 2 menu.. 3.Select a correct value for the items below. 6VOF: Vertical OSD position alignment HOF: Horizontal OSD position alignment VX: Vertical Zoom (select 25)