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LG CineBeam PH30N, Service Manual

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LG CineBeam PH30N Service Manual Download Page 20

- 20 -

Copyright © 

 - 

 LG Electronics Inc. All rights reserved.

Only training and service purposes.

- Image noise(vertical/horizontal line)

vertical/horizontal line

Check the 

connecting status 

of  40p cable

（

DMD

）

Yes

Re-connect

the Cable

Yes

No

Change the  

Main B/D

Change the  

Drive B/D

No

Change optic  

Engine

No

Summary of Contents for CineBeam PH30N

Page 1: ...f 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 P NO MFL67691202 2...

Page 2: ...Inc All rights reserved Only training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SPECIFICATION 4 SOFTWARE UPDATE 7 BLOCK DIAGRAM 8 EXPLODED VIEW 9 DISASSEMBLY GUIDE 10 ASSEMBLY GUIDE 12 TROUBLE SHOOTING GUIDE 16 ...

Page 3: ...ment AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on position connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead in turn to each exposed metallic parts such as antenna terminals phone jacks etc If the exposed metallic part has a return path to the chassis the measured resistance sh...

Page 4: ...on NOTE Specifications and others are subject to change without notice for improvement 4 Technical Specification No Item Specification Remark 1 Basic Parameters Product Description Pico Projector OS Linux 2 CPU Parameters CPU Supplier Mstar CPU Model No 6683 CPU Core Numbers A53 4 CPU Frequency 1GHz GPU Model No Mali470 3 Storage Capacity DDR3 RAM 512MB internal 256MB Internal Memory 4GB eMMC 4 Op...

Page 5: ...nt Fan speed RPM must be controlled according to temperature of NTC on PCBA at Air inlet enviro ment temp 11 Noise Operating Noise From 1m Distance 30dBA Typical 32 dBA at Maximum at Max brightness 30 C TBD at ECO mode 12 Battery Internal Battery 2600 mAh 7 2V 18 72Wh charging time 2 hours at power off mode 13 IR Receiving Head Infrared YES 14 DC IN Power Plug Conector 19V 2 53A 48W 15 Power Indic...

Page 6: ... Supported Video Formats MPEG2 MPEG2_HD MPEG4 MPEG4_SD MPEG4_HD H 264 VC1 WMV VP9 VP8 HEVC Supported Audio Formats Dolby Digital Dolby Digital Plus DTS_HD Supported Photo Formats JPG JPEG BMP PNG 25 Language Supported Language system language Korean English L Spanish Brazilian Portuguese Spanish French German Italian Polish Portuguese Russian Turkish Slovenian Bulgarian Croatian Hungarian Czech Ro...

Page 7: ...panel Keep pressing for a long time Step 3 turn the power button on from off Step 4 wait for the light to light up The upgrade interface ap pears Release the up key on the panel The second method Factory mode menu download Step 1 turn on the machine Make sure the display interface is HDMI display or no signal display Insert the USB flash disk Step 2 press the remote control left key right key left...

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

Page 9: ...nical parts in this chassis have special safety related characteristics These parts are identified by in the 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 IMPORTANT SAFETY NOTICE ...

Page 10: ... 10 Copyright LG Electronics Inc All rights reserved Only training and service purposes DISASSEMBLY GUIDE 1 2 3 4 5 6 ...

Page 11: ... 11 Copyright LG Electronics Inc All rights reserved Only training and service purposes 7 8 9 10 11 12 ...

Page 12: ...e DMD cable connect to drive plate Press DMD cable then stick foam cotton Stick TESA tape Press plate shallbe assembled in place and two screwsshallbe verticallylocked in place at 1 and 2 position Check foam cotton stick to the engine DMD cable in place Stick conductive cloth Press the step in place ASSEMBLY GUIDE ...

Page 13: ...ights reserved Only training and service purposes 2 50 Pin Cable assembly 1 First open the wing up 2 Insert 50 Pin FPC cable 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 ...

Page 14: ...Assembly for the Top case and Bottom case 1 The slide switch should be place on the left side before Top case assembling 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 ...

Page 15: ...an baffle is facing outward and the corresponding limit slot is assembled in place The fan baffle is facing outward and the corresponding limit slot is assembled in place The lower side of conductive cloth should be flush with the fan Press the step in place The fans in these two places need to be pasted 1 stick the long end of conducti ve cloth 3 Remove the separating paper 4 Stick the fan s PORO...

Page 16: ... the main board and drive board and use a jig to verify whether the main board and drive board are normal If it is con firmed that the main board is abnormal and the picture is sometimes good or sometimes bad try to replace the FPGA 3 Remove the engine and use a jig to verify whether it is normal Power off after power on Check whether the battery capacity is insufficient 1 Check whether the fan wo...

Page 17: ... Speaker No sounds 3 4 CN2502 CN2501 4 4 FAN The fan does not work 5 CN2602 10 Actuator engine The picture quality is not good 6A 6B CN2401 CN6003 80 80 R G B Data Red Green and Blue LED does not turn on 7 CN2504 50 R G B LED engine Red Green and Blue LED does not turn on 8 CN1801 12 WiFi BT Can not connect both Wifi and Bluetooth 9 CN6006 40 DMD engine Red Green and Blue LED does not turn on 10 C...

Page 18: ...icatorON at st by Change Main B D Check the connecting status of 40p cable DMD No Yes Re connect the Cable Check the connecting status of 50p cable R G B LED Re connect the Cable Yes Yes No No Change the Main B D Change the Drive B D No Change optic Engine No Check Poor connection or Damaged cable Check Poor connection or Damaged cable ...

Page 19: ...on but bot function Check the connecting status of 40p cable DMD Yes Re connect the Cable Check the connecting status of 50p cable R G B LED Re connect the Cable Yes Yes No No Change the Main B D Change the Drive B D No Change optic Engine No Check Poor connection or Damaged cable Check Poor connection or Damaged cable ...

Page 20: ...served Only training and service purposes Image noise vertical horizontal line vertical horizontal line Check the connecting status of 40p cable DMD Yes Re connect the Cable Yes No Change the Main B D Change the Drive B D No Change optic Engine No ...

Page 21: ...training and service purposes Low and dead battery Slide the switch to ON LED indicatorON at st by Yes Yes No Low battery Tap the power button turn on and LED indicatorOFF No Plug in adapter then charging light ison Yes No Change battery Change the Main B D No ...

Page 22: ...nly training and service purposes No audio No Speaker audio Check the connecting status of 2p cable Spkeaker Yes Re connect the Cable Yes No Change the Speaker Change the Main B D No No headphone audio Change the headphone socket Change the Main B D No No ...

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