Sanyo PLC-SW10 Service Manual

Also see for PLC-SW10: Owner's manual

Contents

-25-Electrical Adjustments1. Receive the 16-step grey scale computer signal.2. Set to COMPUTER mode.[PC-R GAIN ADJUSTMENT]3. Connect an oscilloscope to test point “TP2212R” (+)and chassis ground (-).4. Enter to the service mode, select item no. “30” andchange data value to adjust “a” to be 1.13 ±0.01Vp-p.[PC-G GAIN ADJUSTMENT]5. Connect an oscilloscope to test point “TP2222G” (+)and chassis ground (-).6. Select item no. “273” and change data value to adjust“a” to be 1.13 ±0.01Vp-p.[PC-B GAIN ADJUSTMENT]7. Connect an oscilloscope to test point “TP2232B ” (+)and chassis ground (-).8. Select item no. “274” and change data value to adjust“a” to be 1.13 ±0.01Vp-p.Pedestal level = Black level(a)PC GAIN ADJUSTMENT1. Receive the 16-step grey scale component video sig-nal.2. Set to VIDEO (Component) mode.[COMPONENT-R GAIN ADJUSTMENT]3. Connect an oscilloscope to test point “TP2212R” (+)and chassis ground (-).4. Enter to the service mode, select item no. “30” andchange data value to adjust “a” to be 1.05 ±0.01Vp-p.[COMPONENT-G GAIN ADJUSTMENT]5. Connect an oscilloscope to test point “TP2222G” (+)and chassis ground (-).6. Select item no. “273” and change data value to adjust“a” to be 1.05 ±0.01Vp-p.[COMPONENT-B GAIN ADJUSTMENT]7. Connect an oscilloscope to test point “TP2232B ” (+)and chassis ground (-).8. Select item no. “274” and change data value to adjust“a” to be 1.05 ±0.01Vp-p.Pedestal level = Black level(a)COMPONENT GAIN ADJUSTMENT1. Receive the 16-step grey scale video signal.2. Set to VIDEO mode.3. Connect an oscilloscope to test point “TP2222G” (+)and chassis ground (-).4. Enter to the service mode, select item no. “30” andchange data value to adjust “a” to be 1.05 ±0.01Vp-p.Pedestal level = Black level(a)AV GAIN ADJUSTMENT