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R5906848 /04
DP2K SLP Series
159
Convergence test pattern
4
1
2
5
3
6
3
6
2
5
4
1
Image 14-2
The test pattern illustrated above is specifically designed for convergence purposes. The test pattern has
three blue arrows numbered from 1 to 3 and three green arrows numbered from 4 to 6. These numbers and
colors correspond to those of the control knobs. Each knob is marked with an arrow which corresponds to the
direction indicated on the screen.
Adjustment Range
Prevent damage to the system by limiting the amount/number of adjustment (s) made. Typically the
convergence adjustments serve to correct a convergence fault of a few pixels at the most. Any convergence
fault beyond this is considered grossly abnormal and likely indicates abuse or rough handling. However, in
extreme cases correction of up to 10 pixels is possible.
CAUTION:
The system does have an end of travel in either direction, but using excessive force may
cause damage. Please handle gently.
Troubleshooting 'dead zone' of control knob
In the rare event that a knob is loose in the perfect convergence position, it is preferable to continue translating
the image away for approximately 20 to 30 pixels (max 1 revolution of the knob(s)). Note that this is the only
time we allow for extreme adjustment. Thereafter, return the image back immediately to the correct position.
The knob should now have become tighter in the final position and therefore resists turning due to vibrations
and such. Repeat the procedure if you feel the knob is still loose.
14.2 Preparing for convergence adjustment
Required tools
•
7mm flat screwdriver.
Summary of Contents for DP2K SLP Series
Page 1: ...ENABLING BRIGHT OUTCOMES Service Manual DP2K SLP Series ...
Page 4: ......
Page 10: ...R5906848 04 DP2K SLP Series 10 ...
Page 14: ...R5906848 04 DP2K SLP Series 14 Safety ...
Page 24: ...R5906848 04 DP2K SLP Series 24 General ...
Page 30: ...R5906848 04 DP2K SLP Series 30 Preventative maintenance actions ...
Page 38: ...R5906848 04 DP2K SLP Series 38 Mains Input ...
Page 90: ...R5906848 04 DP2K SLP Series 90 Laser Phosphor Light Source ...
Page 94: ...R5906848 04 DP2K SLP Series 94 10 Reinstall all covers Liquid cooling circuit ...
Page 138: ...R5906848 04 DP2K SLP Series 138 Light Pipe ...
Page 147: ...147 R5906848 04 DP2K SLP Series Optical alignment 12 ...
Page 150: ...R5906848 04 DP2K SLP Series 150 Optical alignment ...
Page 248: ...R5906848 04 DP2K SLP Series 248 Card Cage ...
Page 263: ...263 R5906848 04 DP2K SLP Series Exhaust system 20 ...
Page 265: ...265 R5906848 04 DP2K SLP Series Board Diagnostic LED s 21 ...
Page 270: ...R5906848 04 DP2K SLP Series 270 Board Diagnostic LED s ...
Page 290: ...R5906848 04 DP2K SLP Series 290 Dust Filters ...
Page 294: ...R5906848 04 DP2K SLP Series 294 Troubleshooting ...
Page 382: ...R5906848 04 DP2K SLP Series 382 Troubleshooting ...
Page 394: ...R5906848 04 DP2K SLP Series 394 Projector cleaning ...
Page 395: ...395 Overview Hazards R5906848 04 DP2K SLP Series Appendix A ...
Page 409: ...R5906848 04 DP2K SLP Series 409 ...