Canon LV-X1J, Руководство по обслуживанию

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3-5
Part 3: Adjustment
2. ELECTRICAL ADJUSTMENTS
2.1 Fan Voltage Adjustment
Measuring equipment ............Digital voltmeter
Test point ..............................TP66A - ground
Enter the service mode.
1. Set adjustment item to "50". Set data value to "1". (Fan voltage minimum)
2. Set adjustment item to "67". Set data value to "1".
3. Adjust TP66A voltage to 8.4 V ± 0.1 V DC using VR5601.
4. Set adjustment item to "50". Set data value to "0". (Fan voltage maximum)
5. Set adjustment item to "67". Set data value to "1".
2.2 NRS Adjustment
Measuring equipment ............Oscilloscope
Test point ..............................TP-NRS1
Input mode ...........................Computer
Input signal ...........................16-step gray scale
Enter the service mode.
Adjust the waveform voltage at each point to the following value with the /- button.
Adjustment item Adjustment value
22 Set part A of the waveform to 2.1 V ± 0.1 V DC. 1
23 Set part B of the waveform to 12.0 V ± 0.5 V DC.
Fig. 3-2
2.3 Signal Center DC Voltage Adjustment
Measuring equipment ............Digital voltmeter
Input mode ............................Computer
Input signal ...........................16-step gray scale
Enter the service mode.
Adjust the voltage at each test point to the following value with the /- button.
Item No. Test point Adjustment value
1 TP-R1 7.3V ± 0.05V DC
2 TP-G1 7.3V ± 0.05V DC
3 TP-B1 7.3V ± 0.05V DC
A
B
GND