SCHNEIDER PTV3606
Service Manual

ELECTRICAL ADJUSTMENTS
2-7: HORIZONTAL POSITION 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 (08) on the remote control to select "H POSI(50)". 4. Press the VOL. UP/DOWN button on the remote control until the SHIFT quantity of the OVER SCAN on right and left becomes minimum. 5. Receive the monoscope pattern of NTSC. 6. Using the remote control, set the brightness and contrast to normal position. 7. Activate the adjustment mode display of Fig. 1-1 and press the channel button (39) on the remote control to select "H POSI(60)". 8. Press the VOL. UP/DOWN button on the remote control until the SHIFT quantity of the OVER SCAN on right and left becomes minimum. 2-8: 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 (11) on the remote control to select "V SIZE(50)". 4. Press the VOL. UP/DOWN button on the remote control until the SHIFT quantity of the OVER SCAN on upside and downside becomes 8 ± 3%. 5. Receive the monoscope pattern of NTSC. 6. Using the remote control, set the brightness and contrast to normal position. 7. Activate the adjustment mode display of Fig. 1-1 and press the channel button (12) on the remote control to select "V SIZE(60)". 8. Press the VOL. UP/DOWN button on the remote control until the SHIFT quantity of the OVER SCAN on upside and downside becomes 8 ± 3%. 2-9: BRIGHT CENT 1. Place the set with Aging Test for more than 15 minutes. 2. Receive the monoscope pattern. (RF Input) 3. Using the remote control, set the brightness and contrast to normal position. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (17) on the remote control to select "BRIGHT CENT". 5. Press the VOL. UP/DOWN button on the remote control until the white 25% is starting to be visible. 6. Receive the monoscope pattern. (Audio Video Input) 7. Press the AV button on the remote control to set to the AV mode. Then perform the above adjustments 3~5. 2-10: CONT CENT 1. Place the set with Aging Test for more than 15 minutes. 2. Activate the adjustment mode display of Fig. 1-1 and press the channel button (22) on the remote control to 3. select "CONT CENT". 4. Press the VOL. UP/DOWN button on the remote control until the contrast step No. becomes "30". 5. Press the AV button on the remote control to set the AV mode. Then perform the above adjustments 1, 2. D-2 2-11: COLOR CENT 1. Receive the color bar pattern. (RF Input) 2. Connect the oscilloscope to TP023. 3. Using the remote control, set the brightness, contrast and color to normal position. 4. Activate the adjustment mode display of Fig. 1-1 and press the channel button (25) on the remote control to select "COLOR CENT". 5. Adjust the VOLTS RANGE VARIABLE knob of the oscilloscope until the range between white 100% and 0% is set to 5 scales on the screen of the oscilloscope. 6. Press the VOL. UP/DOWN button on the remote control until the red color level is adjusted to 85 ± 10% for the white level. (Refer to Fig. 2-2) 7. Receive the color bar pattern. (Audio Video Input) 8. Press the AV button on the remote control to set the AV mode. Then perform the above adjustments 2~6.

85%

100%

Fig. 2-2 2-12: VCO COASE/VCO FINE 1. Connect the oscillator (39.5MHz) to between the TP003 and the (GND) of TU001. 2. Activate the adjustment mode display of Fig. 1-1 and press the channel button (13) on the remote control to select "VCO COASE". 3. Press the VOL. UP/DOWN button on the remote control until the "+" appear on the screen. 4. Press the CH UP button once to set to "VCO FINE" mode. 5. Press the VOL. UP/DOWN button on the remote control to select the 4 step down point from the upper limit on the "+". (Example: In case of the "+" point 30~41, select 37.) 2-13: VERTICAL POSITION 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 (09) on the remote control to select "V POSI(50)". 4. Check if the step No. V. POSI is "08". 5. Adjust the VR401 until the horizontal line becomes fit to notch of the shadow mask.