Acer P5270 Projector Series Service Guide
Page 4
... Disassemble Main Board Module Disassemble Fan Module Disassemble LVPS Bracket , Mylar & LVPS Module Disassemble Engine Module Disassemble ROD Module Disassemble Color Wheel Module Disassemble DMD Board & DMD Chip Module Disassemble Mask Disassemble Interrupt Switch Module Disassemble Lamp Driver Module Disassemble Blower Module Disassemble Bottom Support Shielding Disassemble Elevator Module Chapter 3 Troubleshooting LED Lighting...
... Disassemble Main Board Module Disassemble Fan Module Disassemble LVPS Bracket , Mylar & LVPS Module Disassemble Engine Module Disassemble ROD Module Disassemble Color Wheel Module Disassemble DMD Board & DMD Chip Module Disassemble Mask Disassemble Interrupt Switch Module Disassemble Lamp Driver Module Disassemble Blower Module Disassemble Bottom Support Shielding Disassemble Elevator Module Chapter 3 Troubleshooting LED Lighting...
Acer P5270 Projector Series Service Guide
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2-16 Disassemble DMD Board & DMD Chip Module No Procedure 1 (1) Unscrew 2 hex screws (as green circle) Photo (2) Disassemble DMD Board & DMD Chip Module 2 (1) Rotate the switch (as yellow circle) (2) Disassemble DMD Chip from DMD Board DMD Board & DMD Chip Module Confidential 2-22 P5270/P5270 Refresh
2-16 Disassemble DMD Board & DMD Chip Module No Procedure 1 (1) Unscrew 2 hex screws (as green circle) Photo (2) Disassemble DMD Board & DMD Chip Module 2 (1) Rotate the switch (as yellow circle) (2) Disassemble DMD Chip from DMD Board DMD Board & DMD Chip Module Confidential 2-22 P5270/P5270 Refresh
Acer P5270 Projector Series Service Guide
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... the same time, use the "Source" button on the control panel to swtich) - Check Thermal Switch - Color Wheel - Check Color Wheel - Check DMD Chip - Check Main Board - Check Engine Module Confidential 3-3 P5270/P5270 Refresh Temp LED Light - 3-3 Main Procedure No Symptom Procedure 1 No Power - Check Lamp Driver - Check Lamp Driver - Check Main Board b. Check...
... the same time, use the "Source" button on the control panel to swtich) - Check Thermal Switch - Color Wheel - Check Color Wheel - Check DMD Chip - Check Main Board - Check Engine Module Confidential 3-3 P5270/P5270 Refresh Temp LED Light - 3-3 Main Procedure No Symptom Procedure 1 No Power - Check Lamp Driver - Check Lamp Driver - Check Main Board b. Check...
Acer P5270 Projector Series Service Guide
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... - Check if the Main Board and the DMD Board are securely connected and aren't broken - Do "Reset" of the OSD Menu - Check Engine Module - Check DMD Chip - Check DMD Chip - Check DMD Board - Do "Reset" of the OSD ...Menu - Check Color Wheel - No Symptom 4 No Light On 5 Mechanical Noise 6 Line Bar / Line Defect 7 Image Flicker 8 Color Abnormal 9 Poor Uniformity / Shadow 10 Dead Pixel / Dust (Out of spec.) 11 Garbage Image Procedure - Check Main Board - Clean Photo Sensor Board - Check DMD Board Confidential 3-4 P5270/P5270...
... - Check if the Main Board and the DMD Board are securely connected and aren't broken - Do "Reset" of the OSD Menu - Check Engine Module - Check DMD Chip - Check DMD Chip - Check DMD Board - Do "Reset" of the OSD ...Menu - Check Color Wheel - No Symptom 4 No Light On 5 Mechanical Noise 6 Line Bar / Line Defect 7 Image Flicker 8 Color Abnormal 9 Poor Uniformity / Shadow 10 Dead Pixel / Dust (Out of spec.) 11 Garbage Image Procedure - Check Main Board - Clean Photo Sensor Board - Check DMD Board Confidential 3-4 P5270/P5270...
Acer P5270 Projector Series Service Guide
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... time is 4 hours. You have to adjust the cycle After setting up the time, choose Burn-In mode and hit enter Screen Defects (While replacing DMD Chip, DMD BD and MB) < Figure: Zone A & B Definition > Confidential 4-3 P5270/P5270 Refresh
... time is 4 hours. You have to adjust the cycle After setting up the time, choose Burn-In mode and hit enter Screen Defects (While replacing DMD Chip, DMD BD and MB) < Figure: Zone A & B Definition > Confidential 4-3 P5270/P5270 Refresh
Acer P5270 Projector Series Service Guide
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... if the light leaks *Note - Please check and see if there are dead pixels on reflective edge, eyecatcher, bond wires and exposed metal. Photo Confidential 4-6 P5270/P5270 Refresh If not, please return the unit to repair area. Test Signal : accept the leak- 1024x768@60Hz age is under the spec. - No Step 6 Screen... is brighter - The total number and distance of "Spoke test" in normal condition. - Test Pattern : Gray 10 than Gray 10 Patterns Note: Light leak on DMD Chip. -
... if the light leaks *Note - Please check and see if there are dead pixels on reflective edge, eyecatcher, bond wires and exposed metal. Photo Confidential 4-6 P5270/P5270 Refresh If not, please return the unit to repair area. Test Signal : accept the leak- 1024x768@60Hz age is under the spec. - No Step 6 Screen... is brighter - The total number and distance of "Spoke test" in normal condition. - Test Pattern : Gray 10 than Gray 10 Patterns Note: Light leak on DMD Chip. -