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LG PF1500 Service Manual
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DLP PROJECTOR
SERVICE MANUAL
CHASSIS : FM52A
MODEL : PF1500
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL68723402 (1501-REV00)
PF1500-NA
Printed in Korea

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Summary of Contents for LG PF1500

  • Page 1 DLP PROJECTOR SERVICE MANUAL CHASSIS : FM52A MODEL : PF1500 PF1500-NA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL68723402 (1501-REV00) Printed in Korea...
  • Page 2 CONTENTS CONTENTS ....................2 SAFETY PRECAUTIONS ................ 3 SPECIFICATION ..................4 ADJUSTMENT INSTRUCTION ............... 5 TROUBLE SHOOTING GUIDE ............... 14 BLOCK DIAGRAM ................. 16 EXPLODED VIEW .................. 17 SCHEMATIC CIRCUIT DIAGRAM ........... APPENDIX - 2 -...
  • Page 3 SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and 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.
  • Page 4 6) SECAM Power DC 19 V @ 5.79A (110W) Set only Input Voltage AC 100 ~ 240(± 10 %)V, 50/ 60Hz Market Global PF1500-NA Picture size FULLHD (1920 x 1080) Aspect ratio 16:9 Panel Resolution Operating Temperature Operating Humidity Storage Temperature...
  • Page 5 ADJUSTMENT INSTRUCTION 1. Application Object 4.1. Lighting System Adjustment Procedure (1) Remove the cover from the engine. This instruction is for the application to the DLP Projector (2) Make sure the optical engine is properly mounted correctly (Chassis: FM52A). in accordance with the reference position of the jig. (3) After adjusting the screen size, using 40 inches as a reference size, project a full white screen and then adjust 2.
  • Page 6 2) Rotate screw (B) towards point B and check the point where the light at the bottom starts to fade away. Step1 Step2 (Fig. 4-1-7) Full White Lighting System Adjustment (6) Apply 0.1 g of colorless UV glue to each application area. (Fig.
  • Page 7 4.3. Final Adjustment of Lighting System (3) Measure the brightness at the boundary of the screen. (Refer to Fig. 4-4-3) Check again whether the left light margin is at the edge of the screen and if there are any dark areas on the right edge of the screen.
  • Page 8 * Measure the red border with the measurement part of the CL-200, which is 20 mm (W) x 5 mm (L). (2) Allow some image inclination on the left side of the screen. (Fig. 4-5-1-2) Resolution Pattern 4.5.2. Focus Stopper Location Verification (1) Test pattern : White cross-hatch (2) Mount the lighting assembly to the module inspection jig, then adjust the focus knob with the resolution measure-...
  • Page 9 - Connect the PC and the Interface Board with the RS232C cable, and use the USB cable to connect to the set. (2) Press the ADJ key to adjust Country Group. (Fig. 6-3-1) - PF1500-NA : 02,US 6.3. Adjustment Method 6.6. EDID Download (1) Run keydownload.exe from PC Be sure to download EDID while the HDMI jack is removed.
  • Page 10 8. LAN port Inspection 10. Compensate Auto Keystone (PING TEST) 8.1. Equipment setting 10.1. Used Device (1) Play the LAN Port Test PROGRAM. - Adjustment remote controller (2) Input IP set up for an inspection to Test Program. - Projector remote controller - IP number : 12.12.2.2 10.2.
  • Page 11 4) Compensate keystone distortion by pressing the left/ right arrow keys according to the keystone value you have checked in 2). - If the value you have checked in 2) is positive (+), press the left arrow key. - If it is negative (-), press the right arrow key as many times as the value.
  • Page 12 13. HDMI 1.4 ARC Inspection 14.1.3. Projector Brightness Measurement JIG Software Organization 13.1. Used Device (1) Model Selection : PF1500 - MSHG-600, (2) Selecting screen size : W: 886, H: 498 - optic decoder, - adjustment remote control 13.2. HDMI ARC Inspection (1) Select “P-ONLY”...
  • Page 13 16. Final Inspection - Carry out according to the contents of the final inspection in the Working Guide. (Auto Keystone Test and Sound Vibra- tion Test) (1) Check the Keystone value using the projector remote control. 1) The set must be inspected on a plate, glass or table with a flatness degree between more than-1 and less than 2) Incline upward the set to project an image over the top line of the screen.
  • Page 14 TROUBLE SHOOTING GUIDE 1. Poor Connection - Main, LED Board Ass’y - 14 -...
  • Page 15 TROUBLE SHOOTING GUIDE - 15 -...
  • Page 16 BLOCK DIAGRAM - 16 -...
  • Page 17 EXPLODED VIEW IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and EXPLODED VIEW. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
  • Page 18 OTP_WRITE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS PF1500-JE 2014.05.19 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR MAIN_1 THE CRITICAL COMPONENTS IN THE...
  • Page 19 TP5400 SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS PF1500-JE 2014.05.19 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
  • Page 20 MAIN SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS PF1500-JE 2014.05.19 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
  • Page 21 PROJ_ON SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS PF1500-JE 2014.05.19 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
  • Page 22 Change for 100 degree SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS PF1500-JE 2014.05.19 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR MICOM THE CRITICAL COMPONENTS IN THE...
  • Page 23 NC_107 SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS PF1500-JE 2014.05.19 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR eMMC THE CRITICAL COMPONENTS IN THE...
  • Page 24 Close to MICOM SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS PF1500-JE 2014.15.19 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
  • Page 25 MTK_MISO SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS PF1500-JE 2014.15.19 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR Wapping THE CRITICAL COMPONENTS IN THE...
  • Page 26 VSSQ1 SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS PF1500-JE 2014.15.19 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR Wapping DDR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
  • Page 27 DDP_I2C_INDI SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS PF1500-JE 2014.15.19 ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
  • Page 28 12507WR-10L MDS62110201 MDS62110201 SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. PF1500-JE 2014.15.19 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR DC JACK THE CRITICAL COMPONENTS IN THE...
  • Page 29 LED ANODE POWER INPUT & B-TO-B CONNECTION PMIC_VIN M2001 P1004 4814V00112J MDS62110216 P1005 P1006 12507WR-10L 20028WR-20A01 20028WR-20A01 ILLUM_A_SW +5V_NORMAL DPP_1.1V M2003 R1003 4814V00112J MDS62110216 SPI1_CSZ0 PHD71NQ03LT RESETZ R1001 1/16W 2200pF R1004 10uF 10uF 10uF ILLUM_A_SW 10uF 10uF 10uF 10uF 10uF 10uF 10uF 10uF...
  • Page 30 4814V00112J 4814V00112J SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. PF1500-JE 2014.06.11 FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE...

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