Table of Contents
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DLP PROJECTOR
SERVICE MANUAL
CHASSIS : FZ81A
MODEL : PF50KA
CAUTION
BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL70422203 (1711-REV00)
Any reproduction, duplication, distribution (including by way of email, facsimile or other electronic means),
publication, modification, copying or transmission of this Service Manual is STRICTLY PROHIBITED unless you
have obtained the prior written consent of the LG Electronics entity from which you received this Service Manual.
The material covered by this prohibition includes, without limitation, any text, graphics or logos in this Service
Manual.
Copyright © 2017 LG Electronics Inc. All rights reserved. Only training and service purposes.
PF50KA-NA
CONFIDENTIAL
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Summary of Contents for LG PF50KA
- Page 1 Service Manual is STRICTLY PROHIBITED unless you have obtained the prior written consent of the LG Electronics entity from which you received this Service Manual. The material covered by this prohibition includes, without limitation, any text, graphics or logos in this Service Manual.
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Page 2: Table Of Contents
SOFTWARE UPDATE ................6 BLOCK DIAGRAM ................... 7 EXPLODED VIEW ..................8 DISASSEMBLY GUIDE ................9 ASSEMBLY GUIDE ................10 TROUBLE SHOOTING GUIDE ............... 11 - 2 - Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes. -
Page 3: Safety Precautions
When the exposed metal has no return path to the chassis the reading must be infinite. An other abnormality exists that must be corrected before the receiver is returned to the customer. - 3 - Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes. -
Page 4: Specification
With Actuator Picture size FULLHD (1920 x 1080) (native: 1368X768) Aspect ratio 16:9 Panel Resolution Operating Temperature Operating Humidity Storage Temperature Storage Humidity - 4 - Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes. - Page 5 33.71 29.97 74.176 HDTV 1080P 1920*1080 33.75 30.00 74.25 HDTV 1080P 1920*1080 67.43 59.94 148.352 HDTV 1080P 1920*1080 67.50 60.00 148.50 HDTV 1080P - 5 - Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes.
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Page 6: Software Update
(6) Select “YES” , using right arrow key. Software update will begin. If you don’t want to update SW Select “NO”. (7) If updated successfully, Projector will be turn off automatically. (8) You can eject USB Memory stick after Projector turned off. - 6 - Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes. -
Page 7: Block Diagram
BLOCK DIAGRAM - 7 - Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes. -
Page 8: Exploded View
It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. - 8 - Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes. -
Page 9: Disassembly Guide
- Φ2.0 X L4 Screw 3ea Disassemble - Φ2 X L6 Screw 3ea Disassemble - 2ea hook Disassemble - Φ2 X L6 Screw 3ea Disassemble - 2ea hook Disassemble - 9 - Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes. -
Page 10: Assembly Guide
- Φ2.5 X L6 Screw 4ea Assemble 5. Rear Case 2ea hook Assemble - Leg Foot 4ea Assemble 5. Rear Case 2ea hook Assemble - 10 - Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes. -
Page 11: Trouble Shooting Guide
P601 Keypad Joystick Keys is not functional. P500 Battery Battery Function is not working P200 WIFI, Bluetooth Wi-Fi, Bluetooth Function is not working - 11 - Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes. - Page 12 2. Flow Chart by symptoms - 12 - Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes.