TOSHIBA MV19K1W
Service Manual

ELECTRICAL ADJUSTMENTS
2-15: VERTICAL LINEARITY 1. Receive the monoscope pattern. 2. Using the remote control, set the brightness and contrast to normal position. 3. Activate the adjustment mode display of Fig. 1-1 and press the channel button (1) on the remote control to select "H/V". The Fig. 2-6 appears on the display. 4. Press the channel button (5) on the remote control to select "V. LIN". 5. Press the VOL. UP/DOWN button on the remote control until the SHIFT quantity of the OVER SCAN on upside and downside becomes minimum. Fig. 2-5 2-12: SUB TINT (AV) 1. Receive the color bar pattern. (Audio Video Input) 2. Connect the synchro scope to TP803. 3. Using the remote control, set the brightness, contrast, color and tint to normal position. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (4) on the remote control to select "PICTURE". The Fig. 2-3 appears on the display. 5. Press the channel button (4) on the remote control to select "TINT". 6. Press the VOL. UP/DOWN button on the remote control until the section "A" becomes a straight line. (Refer to Fig. 2-5) 2-13: HORIZONTAL PHASE 1. Receive the monoscope pattern. 2. Using the remote control, set the brightness and contrast to normal position. 3. Activate the adjustment mode display of Fig. 1-1 and press the channel button (1) on the remote control to select "H/V". The Fig. 2-6 appears on the display. 4. Press the channel button (1) on the remote control to select "H. PHASE". 5. Press the VOL. UP/DOWN button on the remote control until the SHIFT quantity of the OVER SCAN on right and left becomes minimum. 1. H. PHASE 2. H. BLK 3. V. SIZE 4. V. POSI 5. V. LIN 6. V. SC 7. V. COMP 8. (H FREQ) 2-16: VERTICAL POSITION 1. Receive the color bar pattern. 2. Using the remote control, set the brightness and contrast to normal position. 3. Activate the adjustment mode display of Fig. 1-1 and press the channel button (1) on the remote control to select "H/V". The Fig. 2-6 appears on the display. 4. Press the channel button (4) on the remote control to select "V. POSI". 5. Adjust the value of R408 and R421 until the horizontal line of the color bar comes to approximate center of the CRT. NOTE R408 and R421 are fixed resistors. Use a variable resistor to determine the optimal value and insert that value resistor. Lessen the value of R408: Picture will move about 2mm DOWN. Lessen the value of R421: Picture will move about 2mm UP. 2-17: OSD HORIZONTAL 1. Receive monoscope pattern. 2. Using the remote control, set brightness and contrast to normal position. 3. Activate the adjustment mode display of Fig. 1-1 and press the channel button (5) on the remote control to select "OTHERS". The Fig. 2-2 appears on the display. 4. Press the channel button (4) on the remote control to select "OSD H". 5. Press the VOL. UP/DOWN on the remote control until the difference of A and B becomes minimum. (Refer to Fig. 2-7)
[ TV ]

"A"

0. RETURN

Fig. 2-6
OSD H

2-14: VERTICAL SIZE 1. Receive the monoscope pattern. 2. Using the remote control, set the brightness and contrast to normal position. 3. Activate the adjustment mode display of Fig. 1-1 and press the channel button (1) on the remote control to select "H/V". The Fig. 2-6 appears on the display. 4. Press the channel button (3) on the remote control to select "V. SIZE". 5. Press the VOL. UP/DOWN button on the remote control until the horizontal over scan is equal to the vertical over scan. A B Fig. 2-7