LG BX401C Service Manual Download

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LGE Internal Use Only

CONTENTS

CONTENTS .......................................................................................................2

SAFETY PRECAUTIONS .................................................................................3

REPLACING THE LAMP ..................................................................................4

SPECIFICATIONS.............................................................................................6

ADJUSTMENT INSTRUCTION.........................................................................9

BLOCK DIAGRAM..........................................................................................15

EXPLODED VIEW...........................................................................................20

SVC. SHEET .......................................................................................................

PRINTED CIRCUIT BOARD ...............................................................................

Summary of Contents for BX401C

Page 1: ...CE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS FM84E MODEL BX401C BX401C JD website http biz LGservice com Internal Use Only Printed in Korea P NO MFL62399103 0909 REV00 ...

Page 2: ...ight reserved Only for training and service purposes LGE Internal Use Only CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 REPLACING THE LAMP 4 SPECIFICATIONS 6 ADJUSTMENT INSTRUCTION 9 BLOCK DIAGRAM 15 EXPLODED VIEW 20 SVC SHEET PRINTED CIRCUIT BOARD ...

Page 3: ...by it s Neck Leakage Current Cold Check Antenna Cold Check With the instrument 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...

Page 4: ...ctor and lamp Pull out the lamp only when replacing the lamp Keep the lamp unit out of reach of children Keep the Lamp away from heat sources such as radiators stoves etc To reduce the risk of fire do not expose the lamp to liquids or foreign materials Do not place the lamp near any heat source Make sure the new lamp is securely tightened with screws If not the image may be dark or there could be ...

Page 5: ...the correct position Make sure it is inserted correctly 7 Tighten the screws you removed in step 3 Make sure they are fixed firmly 8 Close the lamp cover and install the screws from step 2 to install the cover If the lamp cover is not installed correctly the unit will not power on Note Using another manufacturers lamp may cause damage to the projector or lamp Make sure the lamp cover is securely f...

Page 6: ...ication by part number in accordance with of B O M 5 The receiver must be operated for about 30 minutes prior to the adjustment Test and Inspection Method 1 Performance LG TV test method followed 2 Demanded other specification SAFETY CE specification EN60950 1 EMC CE EN55022 Class A General Specification No Item Video input applicable system Power Input Voltage Market Operating Temperature Operati...

Page 7: ...omponent1 RGB2 Component2 HDMI Video Normal Presentation Sports Film Game Golf Bright User 0 100 0 100 0 100 0 100 R50 G50 0 100 0 100 0 100 Natural Cool Medium Warm Low Middle High Maximum Cinema Gamma Curve shift R G B Reset On Off 0 10 R G B C M Y Gain R G B C M Y Saturation R G B C M Y Hue Reset Low High 4 3 16 9 Off 10 LGE key code HDMI Jack D Sub 15 pin D Sub 15 pin D Sub 15 pin Through RCA ...

Page 8: ... 50 55 60 Min Off 1 2 3 4 5 6 7 8 9 10 15 20 25 30 35 40 45 50 55 60 Min 100 250 0 100 Signal pattern Black Blue Green Captured Image Logo High bright Economic RGB1 RGB2 20 20 0 63 50 50 25 25 max value can be different depends on input resolutions RGB1 RGB2 only Left Right Top Bottom Corner keystone RGB1 RGB2 only The Min and max value can be different depends on input resolutions RGB1 RGB2 only ...

Page 9: ...engine on JIG check the Illuminator adjustment part Check the full white screen and make adjustments in the following sequence 1 Up and Down Adjustment 1 Turn screw A up down adjustment to the right and mark where the image is aligned 2 Turn screw A up down adjustment to the left and mark where the image is aligned 3 Turn screw A up down adjustment to the right left and mark where the image is ali...

Page 10: ...ate State after adjusting Screw direction Description At first upside illuminator goes down and right illuminator also goes down in detail Left loosen direction At first downside illuminator goes down and left illuminator also goes down left right screw B Right tighten direction At first left illuminator goes down and downside illuminator also goes down Left loosen direction At first right illumin...

Page 11: ...is occurred at the DDC record S W because the EDID Write Protection may not be released perform 2 4 again 6 3 EDID Data 1 RGB 1 2 2 HDMI BLOCK 0 3 HDMI BLOCK 1 11 Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only PC JIG DLPPJTR SET Fig 6 1 Device setting diagram for EDID data input Fig 6 2 RGB IN1 2 RGB OUT Port 0 1 2 3 4 5 6 7 8 9 A ...

Page 12: ...s finished press the ADJUST key to check from the OSD for making sure that adjusting is finished If it fails Fail OSD is displayed at the ADJUST menu but if it succeeds OK OSD is displayed at the ADJUST menu When there is no adjustment no OSD is displayed When there is no input signal the sub item Auto Gain Offset Set of the RGB ADJUSTMENT is not displayed 8 2 Component GAIN OFFSET Adjustment 1 Se...

Page 13: ...ume buttons at the first adjustment value is preset to 270 2 Illuminometer color coordinates is changed when pressing volume button 3 X coordinates usually get maximum value at X 0 645 0 02 and Y coordinates usually get minimum value at Y 0 345 0 02 Adjust this value by pressing volume button on the remote control Average value is 270 4 Check the red pattern whether it is entirely uniform 5 Press ...

Page 14: ...2 Measuring the Brightness Remote control Adj optic check White 12 2 Configuring the Projector Brightness Measuring JIG Software 1 Select the Model BX401C JD 2 Screen Size W 813 H 610 3 Examination 12 3 Setting the Brightness Measuring Screen 1 Screen size setting Correctly set to the screen size by model as shown at Fig 12 3 14 Copyright 2009 LG Electronics Inc All right reserved Only for trainin...

Page 16: ... Use Only DDP3020 133 3Mhz ARM926 CH_M CH_1 I2C_CHM 3 3V I2C_CH1 3 3V ADC HDMI Rx MST3367CMK 0x9C 0x9C Video Decoder TW9910 0x8A 0x8A DDP 3020 EEPROM AT24LC32AN Microchip 0xA0 0xA0 MCU WT61P8 0x26 Programmable 0x26 Programmable WT61P8 EEPROM AT24C02BN 0xA0 0xA0 I2C_EEPROM 3 3V IC1103 IC1102 IC107 IC201 IC501 ...

Page 17: ... JK100 JK200 IC1101 JK500 Main Board Bottom Main Board Top IC900 IC601 P600 IC901 IC300 IC401 IC404 IC501 IC503 X500 IC110 IC102 IC104 P1100 P800 P1102 P902 P801 P1000 P1103 P1004 P1104 P901 P1104 P501 P903 IC600 IC107 IC111 IC1002 IC1103 IC201 IC1004 IC701 IC800 IC702 IC1000 IC402 IC103 IC803 IC108 IC801 IC1102 IC1100 IC109 IC700 IC1003 X200 ...

Page 18: ... 18 Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only DMD Board Top DMD Board Bottom Keypad Board P1 Ballast X10 X3 5P ...

Page 19: ... training and service purposes LGE Internal Use Only Temp Board P901 IR Board IC802 P804 P40 Color Wheel Index Board Power Unit SMPS PFC Board SMPS PFC Board P100 P101 P102 P201 P103 P100 Thermostat cable P101 Ballast Power cable P102 PFC cable P201 Main Power cable ...

Page 20: ...ll right reserved Only for training and service purposes LGE Internal Use Only 301 510 510 103 102 104 105 107 106 590 420 400 401 611 610 600 520 580 581 571 570 572 530 A2 310 101 402 300 410 500 601 470 440 430 450 460 EXPLODED VIEW ...

Page 21: ...mm CABLE 570 EBT43068901 Chassis Assembly SUB FM81B DX630 JD USHIO BALLAST ASSY 571 MGJ41604801 Plate Shield PRESS SECC 1 0 SHIELD SECC DX630 PLATE SHIELD PSU 572 EAY30238705 Ballast PHG201A1DM 230W NSHA230W 240MM 50MM 165MM AC OUTTRIGGER PJTR USHIO 573 EAY43060701 SMPS AC DC HPU025420010 90VTO264V 290W 50 60 CB UL etc DX630 Projector Power 574 EAM36140901 Filter AC Line IF N06AEWL1 1 3mH 250VAC 6...

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