LG PH30N Service Manual
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LG PH30N Service Manual

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DLP PROJECTOR
SERVICE MANUAL
MODEL :
CAUTION
BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL67691202 (2006-REV01)
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 © 2019 - 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
PH30N
CJH310N
PH30N-GL
CJH310N-GL

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Summary of Contents for LG PH30N

  • 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.

  • Page 2: Table Of Contents

    SOFTWARE UPDATE ................7 BLOCK DIAGRAM ................... 8 EXPLODED VIEW ..................9 DISASSEMBLY GUIDE ................10 ASSEMBLY GUIDE ................12 TROUBLE SHOOTING GUIDE ............... 16 - 2 - Copyright © LG Electronics Inc. All rights reserved. Only 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 training and service purposes.

  • Page 4: Specification

    NOTE : Specifications and others are subject to change without notice for improvement. 1. Application range 3. Test method This specification is applied to the PH30N model. 1) Performance : LGE TV test method followed. 2) Demanded other specification - Safety : CE, IEC specification - EMC: CE, IEC specification 2.
  • Page 5 USB 2.0 USB 2.0 Host (Type A 5V/1A) USB Memory Device (Memory Stick, Hard Disk) External Memory Reader Memory Card Tripod Joint Tripod Joint - 5 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 6 Item Specification Remark "Miracast cellphone list: 1) LG : G6, G7, V30, V40 2) Samsung : Galaxy S8, Galaxy S9, Galaxy Miracast Note 8 Wireless Display 3) Huawei : P10, P20 WiDi Not support" Airplay Active 3D/2D to 3D Internal Media Player...

  • Page 7: Software Update

    Step 4: Press the left key of the remote control. Select the yes option to enter the upgrade interface - 7 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 8: Block Diagram

    BLOCK DIAGRAM - 8 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 9: 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. Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 10: Disassembly Guide

    DISASSEMBLY GUIDE - 1 - - 4 - - 2 - - 5 - - 3 - - 6 - - 10 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 11 - 7 - - 10 - - 8 - - 11 - - 9 - - 12 - - 11 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 12: Assembly Guide

    1 and 2 position drive plate Stick conductive cloth Press DMD cable, then Press the stick foam step in place cotton Stick TESA tape - 12 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 13 3) Close the wing down for locking 1. First, Open the wing up 2. Insert the FPC Cable 3. Close the wing down for locking. - 13 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 14 2) Slide Switch on the Top Case be also placed on the left side before assembling. 3) Check the position of all slide switch first. And then assem- ble the top case as above photo. - 14 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 15 The fan baffle is facing outward, and the corresponding limit slot is assembled in place - 15 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.

  • Page 16: Trouble Shooting Guide

    4) Judge the defective device by measuring the signal of audio circuit, then replace a new one. - Out of focus 1) Replace a new engine - etc - 16 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 17 Red ,Green and Blue LED does not turn on. CN1801 WiFi-BT Can not connect both Wifi and Bluetooth. CN6006 DMD(engine) Red ,Green and Blue LED does not turn on. CN2303 For developers. - 17 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 18 Damaged cable 50p cable（R/G/B LED） Re-connect the Cable Change the Main B/D Change the Drive B/D Change optic Check Poor connection Engine or Damaged cable - 18 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 19 Damaged cable 50p cable（R/G/B LED） Re-connect the Cable Change the Main B/D Change the Drive B/D Change optic Check Poor connection Engine or Damaged cable - 19 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 20 - Image noise(vertical/horizontal line) vertical/horizontal line Check the connecting status of 40p cable（DMD） Re-connect the Cable Change the Main B/D Change the Drive B/D Change optic Engine - 20 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 21 Tap the power button,turn on and LED indicator OFF Plug in adapter, Low battery then charging light is on Change battery Change the Main B/D - 21 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.
  • Page 22 2p cable（Spkeaker） Re-connect the Cable Change the Speaker Change the No headphone audio Main B/D Change the headphone socket Change the Main B/D - 22 - Copyright © LG Electronics Inc. All rights reserved. Only training and service purposes.

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