Epson PhotoPC 850Z, Service Manual

Page: 62 / 127

EPSON PhotoPC 850Z Revision A
Disassembly and Assembly Overview 62
4.1.2 Equipment and Tools
The tables below show the recommended tools for repair service.
4 CCD Ditto 2nd Maintenance
5 LCD Monitor LCD panel adjustment 1st Maintenance
6 PW1 Board
Note:
Perform the following adjustment if
you replaced the elements on the
SY1 Board (2nd maintenance).
Make sure to follow the adjustment
order except the lens adjustment.
1. IC501 Oscillation frequency
adjustment
2. 5.1V (D) voltage adjustment
3. 3.25V (D) A voltage adjustment
4. 12.4V (L) voltage adjustment
5. 7.7V (L) voltage adjustment
6. Initialization
7. AWB adjustment
8. Color matrix adjustment
9. CCD defect detection adjustment
10.Lens adjustment
11.LCD panel adjustment
1st Maintenance
Table 4-1. Criterion for First and Second Maintenance
No. Replaced Part Required Adjustment Maintenance
Table 4-2. Equipment
Name Note
Oscilloscope Higher than 100MHz
Digital Voltmeter --
Host Computer
Windows 95 or 98, and must have the following:
• CD-ROM drive
• 3.5-inch floppy diskette drive
• Standard RS-232C interface (serial transfer rate of 19200
bps or higher)
• 8MB RAM
• Hard disk drive with at least 15MB available
• VGA or SVGA monitor with at least 256 color display
DC Regulated
Power Supply
--
Frequency Counter --
AC Adaptor --
Table 4-3. Tools
No. Name Availability Code
1 Color Viewer 5100K X 103058400
2
Adjustment Program
DSC_CAL_Ver.1.22
X Attached to this manual
3 Precision Driver (+) O
4 Siemens Star Chart X
Included at the end this
manual.
5 Color Matrix X 104268100