LG RD-JT40/41 Service Manual1RD-JT40/RD-JT41 SERVICE MANUAL CautionBe sure to read this manual before servicing. To assure safety from fire, electric
LG RD-JT40/41 Service Manual10The remote control sensors are located in the front/ back of the projector. The distance between the sensor and the remo
LG RD-JT40/41 Service Manual11 Caution Avoid excessive heat and humidity. There may be danger of an explosion if batteries are incorrectly replaced.
LG RD-JT40/41 Service Manual126. INSTALLATION Screen Size Place the projector at the required distance from the screen according to the desired pictur
LG RD-JT40/41 Service Manual13Connecting to Various Equipment It only takes a few seconds to connect your projector to your desktop or notebook comput
LG RD-JT40/41 Service Manual147. OPERATION Start Up 1. Plug the power cord into a wall socket. 2. Turn on the main power switch. 3. Press POWER to sta
LG RD-JT40/41 Service Manual15Digital Keystone Correction Keystoning refers to the situation where the projected image is noticeably wider at either t
LG RD-JT40/41 Service Manual16Source Selection When several input sources are available, press the SOURCE key to make a selection from the control pan
LG RD-JT40/41 Service Manual171. Display Menu
LG RD-JT40/41 Service Manual182. Image Menu
LG RD-JT40/41 Service Manual193. Source Menu
LG RD-JT40/41 Service Manual21. SPECIFICATIONS Projector Specifications Technical Specifications Note: All specifications are subject to change witho
LG RD-JT40/41 Service Manual204. Control Menu FUNCTION DESCRIPTION LanguageLanguage sets the language for the OSD control menus. Use the 3 / 4 key to
LG RD-JT40/41 Service Manual215. PIP Menu These functions are available only when the input mode is PC and the PIP source is Video or S-Video
LG RD-JT40/41 Service Manual228. Shutdown 1. Press POWER and a warning message will appear. To turn off the projector, press POWER again. 2. The fan
LG RD-JT40/41 Service Manual239. MAINTENANCE Lamp Information Use and Replacement of the Lamp When the lamp Indicator lights up red or a message appea
LG RD-JT40/41 Service Manual2410. Lamp Replacement Caution To reduce the risk of electrical shock, always turn off the projector and disconnect the po
LG RD-JT40/41 Service Manual25Caution To reduce the risk of severe burns, allow the projector to cool for at least 45 minutes before replacing the lam
LG RD-JT40/41 Service Manual2611. TROUBLE SHOOTING Common Problems & Solutions PROBLEMS TRY THESE SOLUTIONS NO POWER Make sure the power cord is i
LG RD-JT40/41 Service Manual271. Final Assembly Trouble Shooting Guide Back-LIGHT OK?No STEP:1.Check power core2.Check power board and wireYesSystem
LG RD-JT40/41 Service Manual282. Engine Assembly Trouble Shooting Guide AImage NG?(Blank)YesNo1.Check DMD board2.Check color wheel and Sensor board3.C
LG RD-JT40/41 Service Manual29Blue Edge1.chk lens housing / DMDhousing Assembly2.chk light pipe assembly3.chk TIR assembly4,change light pipe clip5.ch
LG RD-JT40/41 Service Manual3Service Information Accessories (included in the Standard Package) Description of parts Part No.Power cord (EU) 27.82718.
LG RD-JT40/41 Service Manual303. Main Board Trouble Shooting Guide System no worka . IC201 bad soldieringb. Flash(IC201) without software inside.c. IC
LG RD-JT40/41 Service Manual314. Power Supply Trouble Shooting Guide LINEINPUT0VACOR220VACB + B-380VDCYES CHECK SPS B/D.WHETHER POORSOLDERNOB + B-54VD
LG RD-JT40/41 Service Manual325. Translation Board Trouble Shooting Guide VCCCPU OKDS660 Translation Board Trouble Shooting GuideVCC,12Vfunction OK?Y
LG RD-JT40/41 Service Manual336. DMD Board Trouble Shooting Guide Check power voltages. Check clocks from oscillator (58 MHz), from ASIC (58 MHz and 1
LG RD-JT40/41 Service Manual3412. Timing Chart
LG RD-JT40/41 Service Manual35DMD Image Specification 1. SCOPE This document specifies the image quality requirements applicable to the DLPTM XGA Comp
LG RD-JT40/41 Service Manual36parallel lines outside of the Sea of Mirrors (SOM). 2.9.2 Exposed Metal 2 Exposed Metal 2 is due to a shift in position
LG RD-JT40/41 Service Manual37TABLE 1. Image Quality Specification SEQ # TEST SCREEN ACCEPTANCE CRITERIA 1 Major Dark Blemish Two Zone Blue 60 1
LG RD-JT40/41 Service Manual3814. Electrical Interface Character Interface Definition 15 pin definition of the mini D-sub male for DDC1/2B protocol 56
LG RD-JT40/41 Service Manual39Control Port Pin Description Pin Description 1 Reserved 2 Reserved 3 TX 4 Reserved 5 Reserved 6 Reserved 7 RX 8 GND 8
LG RD-JT40/41 Service Manual42. Spare Parts List Item No:99.J3477.L11Projector LGRD-JT40 spare parts list Parts No Description 55.J3405.001 PCBA FAN C
LG RD-JT40/41 Service Manual4015. Final Assembly Alignment Procedure Unless other specified, all alignments should meet the following conditions: 1. A
LG RD-JT40/41 Service Manual41Channel Prime Mode Timing Pattern Item Criteria Gray 0-100% H&V Res. 1 Line Color Hue, Sat need correct Smear Not ac
LG RD-JT40/41 Service Manual42PT863 Text EM Character EM Clear Movie Video Essential Gray 0-100% H&V Res. 2 Line Color Hue, Sat need correct Smea
LG RD-JT40/41 Service Manual43Color Hue, Sat need correct Smear Not acceptable Linearity As optical spec (31.469KHz, 59.94Hz) Jitter, Swing, Snack,
LG RD-JT40/41 Service Manual44(C) Optical Check Equipment: Chroma 2250, CL-100 Aspect Ratio: 4:3 User OSD setting: (PC), 30 gray Final Check Step Scre
LG RD-JT40/41 Service Manual4516. PACKING DESCRIPTION CTN LBL PRINTING:
LG RD-JT40/41 Service Manual46
LG RD-JT40/41 Service Manual4717. APPEARANCE DESCRIPTION
LG RD-JT40/41 Service Manual48SPEC LBL PRINTING LAMP LBL PRINTING
LG RD-JT40/41 Service Manual4918. Dimensions
LG RD-JT40/41 Service Manual5Parts No Description 55.J3405.001 PCBA FAN CONTROL/B DX66055.J3408.001 PCBA DC-DC/B DX66060.J3419.001 ASSY PFC MODULE DX6
5544332211D DC CB BA A304-C010DS660 DMD CHIP BD14Monday, March 25, 2002BILL WJ CHANGT.S.WU48.J3802.S01 FAB:S01ANGEL HU99.J3877.001A3TitleSizeD
5544332211D DC CB BA A304-C010DS660 DMD CHIP BD24Monday, March 25, 2002BILL WJ CHANGT.S.WU48.J3802.S01 FAB:S01ANGEL HU99.J3877.001A3TitleSizeD
5544332211D DC CB BA A304-C010DS660 DMD CHIP BD34Monday, March 25, 2002BILL WJ CHANGT.S.WU48.J3802.S01 FAB:S01ANGEL HU99.J3877.001A3TitleSizeD
5544332211D DC CB BA AÑ°¬·½¿´ б·²¬-Screw Holes304-C010DS660 DMD CHIP BD44Monday, March 25, 2002BILL WJ CHANGT.S.WU48.J3802.S01 FAB:S01ANGEL H
5544332211D DC CB BA A304-C010 DX660 KEYPAD BD SCHEMAICS12Saturday, March 02, 2002BILL WJ CHANG H.C.TSOU48.J3403.S01FAB:S01ANGEL HU99.J
5544332211D DC CB BA AÑ°¬·½¿´ б·²¬-Screw Holes304-C010 DX660 KEYPAD BD SCHEMAICS22Saturday, March 02, 2002BILL WJ CHANG H.C.TSOU48.J34
AABBCCDDEE4 43 32 21 1POWERONPr/CrPb/CbYp/YcCVBSCHROMAHSYNCVSYNCLUMAHSYNC_OVSYN C_ORAIN_BGAIN_BBAIN_BV33REMOTE_IRGCLKDCKEXTVY[7:0]RXDGBE[7:0]VCLKVFIEL
LG RD-JT40/41 Service Manual6Optional Accessories 1. Macintosh adapter 2. 210W Lamp module 4. Projector Description Projector
AABBCCDDEE4 43 32 21 1VSYNCRAIN_BBAIN_BYp/YcPr/CrPb/CbHSYNCDDC5VGAIN_BHSYNC_OVSYNC_OPC_AUDIO_RPC_AUDIO_LLUMACHROMACVBSVDDAUDIO_RAUDIO_LVDDPC_YP_SWRED_
AABBCCDDEE4 43 32 21 1V_OUTRGBO_BH_OUTBAIN_BBLUE_OUTGAIN_BRGBO_RVSYNC_OHSYNC_O-5V_PIN1CAP-CAP+-5V-5VRAIN_BIN2-RGBO_RRGBO_GRGBO_GRED_OUTGREEN_OUTRGBO_B
AABBCCDDEE4 43 32 21 1CVBSCHROMALUMARLUMRCVBSLLC1LLC2RCHRVUV[7:0]DECOESDASCLAI22VY7VUV6ITRILLC2VY0VY[7:0]LLC1VY6VPENAI2DVUV4AI12VVSVUV7VFILDVUV2VY2VY3
AABBCCDDEE4 43 32 21 1PVDDSCLSDAGBLKSPLGCOASTGRINGGINGBINBAINHSYNCVSYNCGVREFGVMIDADBE0ADBE1ADBE2ADBE3ADBE4ADBE5ADBE6ADBE7ADGE0ADGE1ADGE2ADGE3ADGE4ADGE
AABBCCDDEE4 43 32 21 1A16A15A14A13A12A11A10A9A19A18A8A7A6A5A4A3A2 A1A17D7D14D6D13D5D12D4D11D3D10D2D9D1D8D0D15VPPEN VPPON VP1VPP3.3VVP3VP23.3VROMWEnROM
AABBCCDDEE4 43 32 21 1VUV7VUV2VY6VY5VY1VUV6VUV1VUV5VUV0VY0VUV4VY4VY7VUV3VY3VY2GBE5GGE1GGE6GBE1GBE3GGE4GBE0GRE1GRE5GGE0GRE0GGE3GRE6GGE2GBE6GRE7GBE2GRE2
AABBCCDDEE4 43 32 21 1U18_X1U18_X2RMCKU17_X1U17_X2RDCKRESET_IWATCHDOGPOWERONDCKEXTMCKEXTVDD3.3VGNDWATCHDOGRESET3.3V3.3V3.3VVDD3.3V3.3VVDD3.3VRESETXRES
AABBCCDDEE4 43 32 21 1IR_IIQ4_BQ5_CQ4_CQ5_ELAMPLITLAMPLITZQ5_BQ8_BQ7_CLAMP_OUTDRE6DRE4DRE2DRE0DRE7DRE5DRE3DRE1DBE6DBE4DBE2DBE0DBE7DBE5DBE3DBE1DENDVSCW
AABBCCDDEE4 43 32 21 1AUDIO_RPC_AUDIO_LPC_AUDIO_R3.3V_AK5K6LED_A0KEY0KEY3D7KEY6KEY2LED_A2LED_A3KEY3D3LED0LED_A1D[0:7]CS0nKEY0KEY4D5LED1KEY[6:0]KEY5KEY
AABBCCDDEE4 43 32 21 1USB_D-VUSBTX.DL_AUSB_D+VUSB_AC1_BC1_ARXD_AC2_ARX.DLR2INTX.DLRX.DLTX.DLVUSB_AQ13_BQ13_CUSB_X2 USB_X1VR_AU28_1 U28_4RST_AC2_BRX.DL
LG RD-JT40/41 Service Manual7External Control Panel
AABBCCDDEE4 43 32 21 1GNDTitleSize Document Number Rev.Date: Sheet ofProjectCodeReviewed By ApprovedByPrepared ByModel NamePCB P/NPCBRev.OEM/ODM Model
5544332211D DC CB BA AU5U6304-C031DX660 DMD BD112Wednesday, April 17,2002BILL WJ CHANG H.C.TSOU48.J3401.S03 FAB:S03ANGEL HU99.J3477.001A3TitleSizeDo
5544332211D DC CB BA AFrom CW Sensor20.L2021.003Power Supply noly for CW Sensor1 page is modified all304-C031DX660 DMDBD212Wednesday, April 17, 2002
5544332211D DC CB BA ATo Page9To Page8To KSR16CTo U6To U6TO DMDTO SDRAMTO U6TO FLASHTO CPUTO SDRAMTO FLASHTO U6From CPU(TO INPUT)304-C031DX660 DMDBD
5544332211D DC CB BA AFROM U5FROM U5Screw HolesÑ°¬·½¿´ б·²¬-304-C031DX660 DMDBD412Wednesday, April 17, 2002BILL WJ CHANG H.C.TSOU48.J3401.S03 FAB:S
5544332211D DC CB BA ATo U5 U6From U5From INPUTFrom U6TO U5From U5From U5 U6Motor Pole R99 OpenGround Guard ProtectionFROM U5 FROM U5312RB717FBAT54SWT
5544332211D DC CB BA ATO U5TO U5TO DMDTO SDRAMTO U5From U5 CPUTO CPUFrom U5From U5TO U5From U5 CPUTO DMDFROM U5FROM U5TO SDRAMFROMINPUTGround Protecti
5544332211D DC CB BA ATO U5TO U5 TO U6TO U6TO U5TO U5TO U6TO U6TO U6TO U6TO U5TO U5304-C031DX660 DMDBD712Wednesday, April 17, 2002BILL WJ CHANG H.C.
5544332211D DC CB BA ATO Page9TO Page82N22011 G 2S3 D1 B2 E3 C2N2222A2N2907MQSF1P02LT11 G2D3S4 DIRFL9014_SOT-223 FZT6491 B2 C3 E4 CFZT849MBR0540T112SO
LG RD-JT40/41 Service Manual8Adjuster
5544332211D DC CB BA AFROM U5FROM U5FROMPage7To DMDTO KSR16C312LM4040FROM U5To KSR16C213BAV99RET1SOT-23304-C031DX660 DMD BD912Wednesday, April 17,
5544332211D DC CB BA ATO KSR16CTO KSR16CFrom U5From U5From U5From Page7304-C031DX660 DMD BD10 12Wednesday, April 17,2002BILL WJ CHANG H.C.TSOU48.J34
5544332211D DC CB BA AFrom Page8From Page9TO DMDFrom U5304-C031DX660 DMD BD11 12Wednesday, April 17, 2002BILL WJ CHANG H.C.TSOU48.J3401.S03 FAB:S03
5544332211D DC CB BA A304-C031DX660 DMD BD12 12Wednesday, April 17, 2002BILL WJ CHANG H.C.TSOU48.J3401.S03 FAB:S03ANGEL HU99.J3477.001A3TitleSize D
5544332211D DC CB BA A304-C05FAN CONTROL BD13JOHN LINH.C.TSOU48.J3405.S04S04ANGEL HU<Size>DX66099.J3877.001 1Wednesday, May 01, 2002NATitleSi
5544332211D DC CB BA A304-C05FAN CONTROL BD23JOHN LINH.C.TSOU48.J3405.S04S04ANGEL HU<Size>DX66099.J3877.001 1Wednesday, May 01, 2002NATitleSi
5544332211D DC CB BA AScrew HolesÑ°¬·½¿´ б·²¬-304-C05FAN CONTROL BD33JOHN LINH.C.TSOU48.J3405.S04S04ANGEL HU<Size>DX66099.J3877.001 1Wednesd
5544332211DDCCBBAA304-C060DX660 CHIP BD14Saturday, April 27, 2002BILL WJ CHANG T.S.WU48.J3404.S02 FAB:S02ANGEL HU99.J3477.001A3TitleSizeDocument Num
5544332211DDCCBBAA304-C060DX660 CHIP BD24Saturday, April 27, 2002BILL WJ CHANG T.S.WU48.J3404.S02 FAB:S02ANGEL HU99.J3477.001A3TitleSizeDocument Num
5544332211DDCCBBAA304-C060DX660 CHIP BD34Saturday, April 27, 2002BILL WJ CHANG T.S.WU48.J3404.S02 FAB:S02ANGEL HU99.J3477.001A3TitleSizeDocument Num
LG RD-JT40/41 Service Manual9The projector is equipped with 2 quick-release adjuster feet. Push the buttons to adjust its tilt angle. 1. Lift the proj
5544332211DDCCBBAAÑ°¬·½¿´ б·²¬-ScrewHoles304-C060DX660 CHIP BD44Saturday, April 27, 2002BILL WJ CHANG T.S.WU48.J3404.S02 FAB:S02ANGEL HU99.J3477.00
Comments to this Manuals