Acer P5270 Projector Series Service Guide
Page 4
... 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 Message Beep Sound Main Procedure 1-1 1-1 1-4 1-8 1-9 2-1 2-1 2-3 2-5 2-6 2-7 2-8 2-10 2-11 2-12 2-13 2-14 2-15 2-17 2-19 2-21 2-22 2-23 2-24 2-25 2-26 2-27 2-28 3-1 3-1 3-2 3-3 Confidential III P5270/P5270...
... 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 Message Beep Sound Main Procedure 1-1 1-1 1-4 1-8 1-9 2-1 2-1 2-3 2-5 2-6 2-7 2-8 2-10 2-11 2-12 2-13 2-14 2-15 2-17 2-19 2-21 2-22 2-23 2-24 2-25 2-26 2-27 2-28 3-1 3-1 3-2 3-3 Confidential III P5270/P5270...
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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... Lamp Driver - Check LED Status a. Check Lamp Driver - Check Thermal Switch - Ensure all connectors are securely connected and aren't broken - Check DMD Chip - Ensure all connectors are securely connected - Check DMD Board - Check Main Board b. Check Main Board 2 Auto Shut Down - Temp LED Light - Check Thermal Sensor - Check Lamp - Lamp LED Light...
... Lamp Driver - Check LED Status a. Check Lamp Driver - Check Thermal Switch - Ensure all connectors are securely connected and aren't broken - Check DMD Chip - Ensure all connectors are securely connected - Check DMD Board - Check Main Board b. Check Main Board 2 Auto Shut Down - Temp LED Light - Check Thermal Sensor - Check Lamp - Lamp LED Light...
Acer P5270 Projector Series Service Guide
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... - Check Main Board - Check if the Main Board and the DMD Board are securely connected and aren't broken - Check DMD Board - Ensure the Signal Cable and Source work - Clean DMD Chip and Engine Module - Check Engine Module - Check LVPS - Check DMD Board - Check DMD Board Confidential 3-4 P5270/P5270 Refresh Check Color Wheel - Check Engine Module - Do "Reset...
... - Check Main Board - Check if the Main Board and the DMD Board are securely connected and aren't broken - Check DMD Board - Ensure the Signal Cable and Source work - Clean DMD Chip and Engine Module - Check Engine Module - Check LVPS - Check DMD Board - Check DMD Board Confidential 3-4 P5270/P5270 Refresh Check Color Wheel - Check Engine Module - Do "Reset...
Acer P5270 Projector Series Service Guide
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No Symptom Procedure 12 Remote Controll or Control Panel Failed - IR Receiver - Check Remote Control c. Remote Control a. Check Main Board 13 Function Abnormal - Check DMD Board Confidential 3-5 P5270/P5270 Refresh Check FPC b. Check Keypad c. Check Battery b. Check Main Board - Control Panel a. Do "Reset" of the OSD Menu -
No Symptom Procedure 12 Remote Controll or Control Panel Failed - IR Receiver - Check Remote Control c. Remote Control a. Check Main Board 13 Function Abnormal - Check DMD Board Confidential 3-5 P5270/P5270 Refresh Check FPC b. Check Keypad c. Check Battery b. Check Main Board - Control Panel a. Do "Reset" of the OSD Menu -
Acer P5270 Projector Series Service Guide
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... it 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
... it 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
Page 72
... condition. - The unit cannot accept the leakage is brighter than Gray 10 Patterns patterns - If not, please return the unit to repair area. Photo Confidential 4-6 P5270/P5270 Refresh Please check and see if there are dead pixels on reflective edge, eyecatcher, bond wires and exposed metal. No Step 6 Screen Uniformity Specification Procedure... Leak The unit can't - Please check and see if the light leaks *Note - Test Pattern : Gray 10 than Gray 10 Patterns Note: Light leak on DMD Chip. -
... condition. - The unit cannot accept the leakage is brighter than Gray 10 Patterns patterns - If not, please return the unit to repair area. Photo Confidential 4-6 P5270/P5270 Refresh Please check and see if there are dead pixels on reflective edge, eyecatcher, bond wires and exposed metal. No Step 6 Screen Uniformity Specification Procedure... Leak The unit can't - Please check and see if the light leaks *Note - Test Pattern : Gray 10 than Gray 10 Patterns Note: Light leak on DMD Chip. -