HP L1798A, L1735A, L1736A, L1737A manual Optical Alignment

Page 46

4-4 Optical Alignment

Test

Working Items

Check item/Spec/Figure

 

Item

 

 

 

 

 

 

 

 

1

Plug the power cord into socket behind

Voltage 110V power cord should be

 

TV

connected firmly

 

 

 

2

Switch on power and press keypad

Check if Lamp is on

 

power button to ignite Lamp

 

 

 

 

3

Enter the factory mode

 

 

 

 

 

 

 

Press ok to enter Optical Alignment

 

 

 

color bar for image

 

 

 

slope/shape/trapezoid to go to the

 

 

4

permit area

 

 

Default value: md5020/5820:

 

 

 

 

 

 

left, right: 25 up, bottom: 16

 

 

 

md5880/ 6580:

 

 

 

left, right: 37 up, bottom: 20

 

 

 

 

 

 

5

Move and rotate engine module, adjust

 

 

center line to frame

 

 

 

 

 

 

If the image is too high, adjust front I

 

 

 

type screw clockwise rotation, then the

 

 

6

screen will be moved to the lower side.

 

 

If the picture is too low, adjust I type

 

 

 

 

 

 

screw to counter clockwise the unit in

 

 

 

order to move the picture higher.

 

 

 

 

 

 

7

Use ratch wrench locking front two

 

 

fixed studs.

 

 

 

 

 

 

 

 

 

 

Revolve TV, use ratch wrench locking

 

 

8

back twofixed studs. Attention: When

 

 

 

locking, can't damage the wire.

 

 

 

 

 

 

9

Revolve TV again, use gule machine to

drop glue range area: screw circle 1/3

 

drop location to two I type screw

linear.

 

 

 

 

 

 

 

 

 

 

 

46

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Contents HP Mdtv Rear Projection TVs Fall Preface Chapter Why HP High Definition? Technology story HP Visual Fidelity and Wobulation Industrial design HP Mdtv HP Mdtv models Accessories Remote control and stand HP Mdtv specifications Specifications Panel Screen Image Input Signal Characteristics TV Input Cbvs Mntsc Smpte 274M VGA Audio System Disassembly Procedure Disassemble Lamp Module Loosen 3 screws and then remove the Lamp Module Disassemble Rear Cover and Power Supply Module Page Lvps Unscrew 2 screws to remove System Fan XHD4 Model Page Page Page Disassemble Engine Module Page Page Page Disassemble Speaker Module and Keypad Board Troubleshooting Power Troubleshooting Page Image Performance Troubleshooting Sound Troubleshooting Remote Control Troubleshooting Alignment & Function Test Procedure Page Page Control and choose source to video ADC Calibration Optical Alignment Firmware Upgrade Procedure Upgrade LED Indication USB Upgrade Procedure Edid Upgrade Procedure Page Page Page Page Page Page Page Appendix a Exploded Parts List Exploded Overview Handle Exploded Overview RP58 product label Exploded Overview ATSC/CNTC/QAM/DCR DTV Receivin Exploded Overview Wiring assembly main board to IR receiver Exploded Overview PE bag 1830x1600x0.08mm Exploded Overview Sanyodenki axial fan Exploded Overview Exploded Parts List Appendix B Appendix C Source Format Delivery Hdmi high-definition multimedia interface Glossary