![background image](http://html.mh-extra.com/html/canon/d78-5351/d78-5351_service-manual_62455043.webp)
3-9
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 "76". Set data value to "1". (Fan voltage minimum)
2. Set adjustment item to "94". Set data value to "1".
3. Adjust TP66A voltage to 8.4 V ± 0.1 V DC using VR5601.
4. Set adjustment item to "76". Set data value to "0". (Fan voltage maximum)
5. Set adjustment item to "94". Set data value to "1".
2.2 PSIG Adjustments
Equipment.............................Oscilloscope
Test point ..............................TP-SIG1
Input mode ............................Computer
Input signal ...........................16 step gray scale signal
Enter the Service mode.
Adjust values of below items by the or - button.
[For LV-X2U / LV-X2E]
Item no.
Adjustment part
Adjustment value
22
DC level-B in a figure
10.0V ± 0.5 V-DC.
23
DC level-A in a figure
2.8V ± 0.1 V-DC.
0
Fig. 3-2
Summary of Contents for D78-5351
Page 8: ...Part 1 General Information ...
Page 20: ......
Page 21: ...Part 2 Repair Information ...
Page 33: ......
Page 34: ...Part 3 Adjustment ...
Page 56: ......
Page 57: ...Part 4 Parts Catalog ...
Page 58: ......
Page 61: ......
Page 63: ......
Page 65: ......
Page 66: ......
Page 67: ......
Page 69: ......
Page 70: ......
Page 71: ......
Page 72: ......
Page 73: ...Part 5 Electrical Diagrams ...