Read Panasonic PT-RQ22KEJ (serv.man3) Service Manual online
ADJ-2
SECTION 3 ADJUSTMENTS
< RQ22K >
1. Adjustment item and procedure
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When the following parts are disassembled or replaced, please adjust the items according to the table below.
Adjustment Item
Disassembled / replaced component
Remarks
1. 1. Focus balance adjustment
---
When the entire screen surface is not uniform
even if the focus has been adjusted.
1. 2. Lighting area adjustment
Parts in the DMD block or lighting block
1. 3. Convergence adjustment
DMD block parts
1. 4. Adjusted data transfer
[A]-P.C.Board / [DG]-P.C.Board
Transfer the adjusted data from old printed circuit
board to new one.
1. 5. Main-firmware update
[A]-P.C.Board / [DG]-P.C.Board
[DF]-P.C.Board / [DP]-P.C.Board
Update to maintain consistency between Main
and each FPGA firmware.
1. 6. Model information setup
[A]-P.C.Board
Not necessary when the item "1.4. Adjusted data
transfer" was completed.
1. 7. Luminance sensor calibration
[A]-P.C.Board / [M3]-P.C.Board
1. 8. Date and time setup
[A]-P.C.Board
1. 9. LD unit runtime reset
LD unit
1.10. LD unit error information
reset
---
Take this procedure to clear the error information
saved in the memory. (Runtime is not reset)
1.11. Shutter counter reset
Mechanical shutter
1.12. Lens calibration
Projection lens, Lens mounter,
Stepping motor
When the power is turned off during lens shift or
focus operation, or manually moved.
1.13. Zoom motor backlash
correction
---
Execute when accuracy of numerical information
of zoom position deteriorates.
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