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2.2 Fan Control Adjustment
1. Set the lamp mode to "Normal" and then enter the service mode.
2. Connect a digital voltmeter to test point "TPFANB" (+) and chassis ground (–). Select
item no. "81" and change data value to adjust voltage to be 6.0 ±0.1V.
3. Connect a digital voltmeter to test point "TPFANC" (+) and chassis ground (–). Select
item no. "82" and change data value to adjust voltage to be 6.0 ±0.1V.
4. Connect a digital voltmeter to test point "TPFANB" (+) and chassis ground (–). Select
item no. "84" and change data value to adjust voltage to be 13.5 ±0.1V.
5. Connect a digital voltmeter to test point "TPFANC" (+) and chassis ground (–). Select
item no. "85" and change data value to adjust voltage to be 13.5 ±0.1V.
2.3 Pedestal Adjustment [PC]
1. Receive the 16-step grey scale computer signal with Computer1 [RGB] mode.
2. Enter the service mode.
3. Connect an oscilloscope to test point "TPVIDEOG" (+) and chassis ground (–).
4. Select item no. "203" and change data value to adjust the pedestal level and black
level to be the same level.
5. Connect an oscilloscope to test point "TPVIDEOR" (+) and chassis ground (–).
6. Select item no. "204" and change data value to adjust the pedestal level and black
level to be the same level.
7. Connect an oscilloscope to test point "
8. Select item no. "205" and change data value to adjust the pedestal level and black
level to be the same level.
TPVIDEOB
" (+) and chassis ground (–).
Fig. 3-3
3-9
Part 3: Adjustment
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