2.11 PC/AV-Video Adjustment-2[PC-video adjustment-2]1. Receive the 16-step gray scale computer signal.2. Set to COMPUTER mode.3. Connect an oscilloscope to test point “TP512” (+) and chassis ground (-).4. Enter to the service mode, select item no. “15” and change data value to adjust “b” tobe 1.90 ±0.01Vp-p.[AV-video adjustment-2]5. Receive the 16-step gray scale video signal.6. Set to VIDEO mode.7. Connect an oscilloscope to test point “TP512” (+) and chassis ground (-).8. Select item no. “15” and change data value to adjust “b” to be 2.00 ±0.01Vp-p.2.12 S/H Clock Adjustment1. Receive the 16-step gray scale computer signal.2. Set to COMPUTER mode.3. Connect an oscilloscope to test point “TP512” (+) and chassis ground (-).4. Enter to the service mode, select item no. “3” and change data value to adjust “a” tobe maximum.Part 3: Adjustment3-13(a)Fig. 3-10(a)(b)black levelwhite levelwhite levelFig. 3-9
