ORION 21MT9A
Instrukcja Serwisowa

ELECTRICAL ADJUSTMENTS
2-11: 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. 2-1 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 SHIFT quantity of the OVER SCAN on upside and downside becomes 8 ± 3%. 2-12: VERTICAL LINEALITY 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. 2-1 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 50/60". 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. 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 2~5. 2-13: OSD HORIZONTAL 1. Using the remote control, set the brightness and contrast to normal position. 2. Activate the adjustment mode display of Fig. 2-1 and press the channel button (5) on the remote control to select "OTHERS". The Fig. 2-2 appears on the display. 3. Press the channel button (5) on the remote control to select "OSD H". 4. Press the VOL. UP/DOWN button on the remote control until the difference of A and B becomes minimum. (Refer to Fig. 2-7) 2-15: CONSTANT VOLTAGE 1. Using the remote control, set the brightness and contrast to normal position. 2. Connect the digital voltmeter to TP501. 3. Set condition is AV MODE without signal. 4. Adjust the VR501 until the DC voltage is 135 ± 1V. 2-14: TINT 1. Receive the color bar pattern.(Audio Video lnput) 2. Connect the oscilloscope to TP801. 3. Activate the adjustment mode display of Fig. 2-1 and press the channel button (4) on the remote control to select "PICTURE". The Fig. 2-4 appears on the display. 4. Press the channel button (4) on the remote control to select "TINT". 5. Press the VOL. UP/DOWN button on the remote control until the waveform becomes as shown in Fig. 2-8.

"TINT" Fig. 2-8

[ TV ]

OSD H

A

B

Fig. 2-7

D1-3