LG 22LV2500 Service Manual
Led lcd tv
Hide thumbs
Also See for 22LV2500:
- Owner's manual (85 pages) ,
- Service manual (50 pages) ,
- Specifications (2 pages)
Table of Contents
Related Manuals for LG 22LV2500
Summary of Contents for LG 22LV2500
-
Page 1: Service Manual
Internal Use Only http://biz.lgservice.com LED LCD TV SERVICE MANUAL CHASSIS : LC01S MODEL : 22LV2500 22LV2500-CC CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL67002104 (1104-REV00) -
Page 2: Table Of Contents
PRODUCT SAFETY ................. 3 SPECIFICATION ..................6 ADJUSTMENT INSTRUCTION ..............9 BLOCK DIAGRAM..................14 EXPLODED VIEW ................... 16 SCHEMATIC CIRCUIT DIAGRAM ............- 2 - Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes... -
Page 3: Product Safety
An other abnormality exists that must be corrected before the receiver is returned to the customer. Copyright © 2011 LG Electronics. Inc. All rights reserved. - 3 - LGE Internal Use Only Only for training and service purposes... -
Page 4: Servicing Precautions
Copyright © 2011 LG Electronics. Inc. All rights reserved. - 4 - LGE Internal Use Only Only for training and service purposes... - Page 5 CAUTION: Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures. Copyright © 2011 LG Electronics. Inc. All rights reserved. - 5 - LGE Internal Use Only Only for training and service purposes...
-
Page 6: Specification
0.2475 mm x 0.2475 mm Back Light 22” LGD(FHD) EdgeL Display Colors 1.06 Billion, 16.7 Milion Coating 3H, AG - 6 - Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes... - Page 7 63.595 60.0 108.875 SXGA FHD model 1280*720 74.25 720P DTV standard 1920*1080 66.587 59.93 138.5 WUXGA FHD model Copyright © 2011 LG Electronics. Inc. All rights reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
-
Page 8: Hdmi Input
59.8 84.75 WXGA HDCP 1280*1024 63.981 60.02 108.875 SXGA HDCP/FHD model 1920*1080 67.5 60.00 138.625 WUXGA HDCP/FHD model Copyright © 2011 LG Electronics. Inc. All rights reserved. - 8 - LGE Internal Use Only Only for training and service purposes... -
Page 9: Adjustment Instruction
“Read” 4) Click “Connect” tab. If “Can’t” is displayed, check connection between computer, jig, and set. - 9 - Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes... - Page 10 Module Tool option1 Tool option2 Tool option3(AU,TS) Tool option4 Tool option5 22LV2500 10020 8714 55337 16640 3100 4) Completed selecting Tool option. Copyright © 2011 LG Electronics. Inc. All rights reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
-
Page 11: White Balance Adjustment
▪ W/B Adj. must begin as start command “wb 00 00” , and finish as end command “wb 00 ff”, and Adj. offset if need . - 11 - Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes... -
Page 12: Edid Data
Model option (The use of a internal pattern) Medium 0.285(±0.002) 0.293(±0.002) 9300K 0.0000 Warm 0.313(±0.002) 0.329(±0.002) 6500K 0.0000 download - 12 - Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes... - Page 13 Confirm whether is normal or not when between power board's ac block and GND is impacted on 1.5kV(dc) or 2.2kV(dc) for one second. - 13 - Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
-
Page 14: Block Diagram
BLOCK DIAGRAM - 14 - Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes... - Page 15 - 15 - Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
-
Page 16: Exploded View
X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. Copyright LG Electronics. Inc. All rights reserved. - 16 - LGE Internal Use Only Only for training and service purposes... - Page 17 IC102 S7M-PLUS_DivX_MS10 NAND01GW3B2CN6E NAND FLASH MEMORY +3.3V_Normal +3.3V_Normal LGE107DC-RP [S7M+ DIVX/MS10] NC_1 NC_29 /PF_CE0 NAND_FLASH_1G_NUMONYX NC_2 NC_28 IC101 H : Serial Flash EAN60762401 L : NAND Flash PCM_A[0-7] PCM_D[0-7] NC_3 NC_27 /PF_CE1 <T3 CHIP Config(AUD_LRCH)> H : 16 bit NC_4 NC_26 8 bit AR101...
- Page 18 RSDS Power OPT +3.3V_Normal +1.26V_VDDC +1.26V_VDDC VDDC 1.26V MODEL OPTION VDD_RSDS:88mA VDDC : 2026mA MODEL OPTION VDD_RSDS PIN NAME HIGH PIN NO. OPT_0 OPT_4 L213 +2.5V_Normal BLM18PG121SN1D NO_FRC : LOW MODEL_OPT_0 NO FRC U3_INTERNAL : HIGH LOW U5_EXTERNALBOOT :HIGH HIGH L214 MODEL_OPT_4 50/60Hz LVDS...
- Page 19 CRYSTAL_KDS X1002-*1 32.768KHz +3.5V_ST NEW_SUB R4034 4.7K X1002 32.768KHz NEW_SUB R4035 4.7K CRYSTAL_EPSON R1034 4.7M +3.5V_ST CRYSTAL_KDS R1091 10K for Debugger MICOM_DEBUG TP1601 P1001 +3.5V_ST 12505WS-12A00 C1010 0.1uF TOP SIDE for reset. TP1602 MICOM_RESET MICOM_DEBUG +3.5V_ST NEC_ISP_Tx MICOM_DEBUG NEC_ISP_Rx R1047 MICOM_DEBUG C1003 1/16W...
- Page 20 USB_DIODES EAN61849601 IC1450 L1451-*1 AP2191DSG CIS21J121 +5V_USB L1451 MLB-201209-0120P-N2 $0.077 OUT_2 IN_1 120-ohm C1452 OUT_1 IN_2 C1453 R1458 R1459 10uF C1451 0.1uF 1/8W 1/8W 22uF +3.3V_Normal R1455 4.7K USB1_CTL R1454 R1451 47 USB1_OCD SIDE_USB_DM SIDE_USB_DP D1451 D1452 CDS3C05HDMI1 CDS3C05HDMI1 5.6V 5.6V SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
- Page 21 HDMI EEPROM 5V_HDMI_1 +5V_Normal ENKMC2838-T112 D821 HDMI_1_RENESAS HDMI_1_ATMEL 5V_HDMI_1 5V_DET_HDMI_1 HDMI_1 IC801-*1 IC801 EDID_WP R1EX24002ASAS0A AT24C02BN-SH-T SHIELD R830 Q802 HPD1 R896 2SC3052 $0.055 C806 R884 R888 C802 0.1uF 2.7K 2.7K R804 0.1uF 1.8K DDC_SCL_1 R876 DDC_SDA_1 DDC_SDA_1 R875 DDC_SCL_1 5V_HDMI_2 +5V_Normal R824 HDMI_CEC...
- Page 22 RGB/SPDIF/PC/HP New Item Development EARPHONE BLOCK HP_LOUT C1118 002:V7 10uF C1115 1000pF R1125 JK3301 Q1101 +3.3V_Normal MMBT3904-(F) KJA-PH-0-0177 MMBT3904-(F) Q1104 +3.5V_ST R1155 DETECT HP_ROUT HP_DET C1119 10uF 002:V7 C1116 1000pF Q1102 R1128 MMBT3904-(F) MMBT3904-(F) Q1103 R1129 3.3K SIDE_HP_MUTE Q1106 2SC3052 RGB PC +5V_Normal PC AUDIO...
- Page 23 RS232C R1123 JP1121 R1124 +3.5V_ST JP1122 D1107 D1108 CDS3C30GTH CDS3C30GTH C1101 0.33uF SPG09-DB-009 IC1101 JK1101 C1106 MAX3232CDR 0.1uF C1102 0.1uF C1103 0.1uF DOUT1 RIN1 C1104 0.1uF ROUT1 S7_NEC_RXD DIN1 C1105 0.1uF DOUT2 DIN2 S7_NEC_TXD RIN2 ROUT2 EAN41348201 SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
- Page 24 VCC_1.5V_DDR VCC_1.5V_DDR VCC_1.5V_DDR VCC_1.5V_DDR VCC_1.5V_DDR DDR3 1.5V By CAP - Place these Caps near Memory VCC_1.5V_DDR DDR3 1.5V By CAP - Place these Caps near Memory A-MVREFDQ A-MVREFCA B-MVREFDQ B-MVREFCA Close to DDR Power Pin Close to DDR Power Pin CLose to DDR3 CLose to Saturn7M IC CLose to Saturn7M IC...
- Page 25 +3.3V_Normal +3.3V_Normal S_FLASH_MAIN_MACRONIX IC1401 MX25L8006EM2I-12G +3.3V_Normal C1401 /SPI_CS 0.1uF SO/SIO1 HOLD# SPI_SDO SCLK /FLASH_WP SPI_SCK R1405 SI/SIO0 SPI_SDI R1401 Q1401 KRC103S S_FLASH_MAIN_WINBOND IC1401-*1 W25Q80BVSSIG DO[IO1] HOLD[IO3] %WP[IO2] DI[IO0] SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS GP2R 20101023...
- Page 26 WOOFER AMP +3.3V_Normal +1.8V_AMP2 IC503 WOOFER AP1117E18G-13 ADJ/GND Vd=1.4V 120 mA WOOFER C5059 WOOFER C5004 C5069 0.1uF 10uF 0.1uF +24V WOOFER_L+ WOOFER WOOFER D5001 WOOFER 1N4148W R5013 R5073 100V L5004 R5058 10.0uH C5041 R5010 NRS6045T100MMGK 0.1uF 4.7K C5035 390pF WOOFER_L L5005 C5039 10.0uH...
- Page 27 +1.8V_AMP +3.3V_Normal IC404 AP1117E18G-13 ADJ/GND Vd=1.4V 120 mA C434 C421 C446 0.1uF 0.1uF 10uF +24V SPK_L+ D501 1N4148W R519 R526 100V L506 R527 C536 R535 10.0uH 0.1uF 4.7K C529 390pF NRS6045T100MMGK SPEAKER_L C534 0.47uF C547 10.0uH C521 C515 C519 0.01uF 10uF 0.1uF 0.1uF...
- Page 28 Rear AV COMPONENT2 AV_CVBS_IN +3.3V_Normal REAR_AV C1643 C1648 D1619 47pF 220pF R1654 R1612 R1615 +3.3V_Normal REAR_AV REAR_AV COMP2_DET ETHERNET FOR DVB_T2 R1660 D1613 JK1604 5.6V REAR_AV PPJ233-01 AV_CVBS_DET [RD]E-LUG R1666 D1624 REAR_AV C1646 5.6V [GN]E-LUG [RD]O-SPRING 0.1uF R1619 REAR_AV [GN]O-SPRING [RD]CONTACT L-MONO COMP2_Y+...
- Page 29 * Option name of this page : CI_SLOT (because of Hong Kong) CI Region CI SLOT +5V_CI_ON CI TS INPUT CI_DATA[0-7] AR1905 FE_TS_DATA[7] CI_MDI[7] +5V_Normal FE_TS_DATA[6] C1906 CI_MDI[6] FE_TS_DATA[5] 10uF CI_MDI[5] FE_TS_DATA[4] CI_MDI[4] EAG41860102 CI_SLOT_JACK_LV3400 AR1906 P1901 FE_TS_DATA[3] P1902 CI_MDI[3] /CI_CD1 FE_TS_DATA[2] 10067972-000LF...
- Page 30 6.5T_GAS 12.5T_GAS 9.5T_GAS 7.5T_GAS 8.5T_GAS 5.5T_GAS MDS62110206 MDS62110205 MDS62110209 MDS61887708 MDS61887710 MDS62110204 GAS1 GAS1-*2 GAS1-*5 GAS1-*4 GAS1-*3 GAS1-*1 7.5T_GAS 5.5T_GAS 9.5T_GAS 6.5T_GAS 12.5T_GAS 8.5T_GAS MDS62110205 MDS62110204 MDS62110209 MDS61887708 MDS61887710 MDS62110206 GAS2-*2 GAS2-*1 GAS2-*3 GAS2-*5 GAS2-*4 GAS2 9.5T_GAS 7.5T_GAS 8.5T_GAS 12.5T_GAS 5.5T_GAS MDS62110209 MDS61887710...
- Page 31 GP2R_GLOBAL_TUNER_BLOCK for Small Model +5V_TU BOOSTER : CHINA OPT RF_SWITCH_CTL Pull-up can’t be applied L3701 BOOSTER_OPT because of MODEL_OPT_2 BLM18PG121SN1D BOOSTER_OPT BOOSTER_OPT R3734 R3743 close to TUNER Q3701 BOOSTER_OPT ISA1530AC1 R3737 R3762 2.2K CONTROL_ATTEN BOOSTER_OPT CN_2INPUT_H_LG3911 R3745 BOOSTER_OPT Q3702 FE_BOOSTER_CTL TU3701 2SC3052 LNA2_CTL...
- Page 32 TN_module_LED_DRIVER_CIRCUIT D10001 PDS5100H-13 L10001 +24V_LED_driver 33uH R10012 C10022 C10001 C10002 C10014 R10018 C10012 10uF C10005 C10021 2.2uF 2.2uF 100V 0.1uF 0.1uF C10010 R10015 560K C10016 C10018 C10020 1000pF 1/10W 2.2uF 10uF 10uF 2.2uF 2.2uF 1/10W Q10001 100V 100V 100V 100V 100V AP18T10GH close to IC100...
- Page 33 LVDS_TN [30Pin FHD LVDS Connector] (For FHD 60Hz_Small) [30Pin HD LVDS Connector] (For HD 60Hz_Small) PANEL_VCC PANEL_VCC P7703 P7704 FF10001-30 FF10001-30 L10011 L10012 FHD_21.5 HD_18.5 120-ohm 120-ohm FHD_21.5 HD_18.5 FHD_21.5 HD_18.5 C10031 C10032 C10033 C10034 C10035 C10036 10uF 1000pF 0.1uF 10uF 1000pF 0.1uF...
- Page 34 TN CONTROL IR & LED +3.5V_ST R10054 R10055 EYEQ/TOUCH_KEY R10062 EYEQ/TOUCH_KEY NEC_EEPROM_SCL P7705 12507WR-15L 5.6B C10060 18pF D2403 L10051 R10051 BLM18PG121SN1D KEY1 EYEQ/TOUCH_KEY EYEQ/TOUCH_KEY L10052 R10052 D10054 NEC_EEPROM_SDA BLM18PG121SN1D 5.6V R10063 5.6B KEY2 C10061 D2404 AMOTECH 18pF C10051 C10052 0.1uF 0.1uF D10051 5.6V...
- Page 35 +5V_Normal +3.5V_ST +24V/+15V PANEL_POWER R7561 24V-->3.48V 100K 15V-->3.56V +24V_LED ST_3.5V-->3.5V --> 3.375V +24V/+15V C7525 C7526 C7529 IC7509 10uF Adapter 0.01uF 0.1uF APX803D29 JK7500 Q7506 4A -> 3A modify 090916 R7582 JPD003N-M432-4F POWER_DET Adapter AO3407A RESET New item L7912 IC7509-*1 R7530 C7958 PWR_DET_DIODES NCP803SN293...
- Page 36 S7M-PLUS IC101 LGE107DC-RP [S7M+ DIVX/MS10] FRC_DDR3_A0/DDR2_NC ACKP/RLV3P/RED[3] RXBCK+ AF16 FRC_DDR3_A1/DDR2_A6 ACKM/RLV3N/RED[2] RXBCK- FRC_DDR3_A2/DDR2_A7 A0P/RLV0P/RED[9] RXB0+ FRC_DDR3_A3/DDR2_A1 A0M/RLV0N/RED[8] RXB0- AD14 FRC_DDR3_A4/DDR2_CASZ A1P/RLV1P/RED[7] RXB1+ FRC_DDR3_A5/DDR2_A10 A1M/RLV1N/RED[6] RXB1- AF15 FRC_DDR3_A6/DDR2_A0 A2P/RLV2P/RED[5] RXB2+ FRC_DDR3_A7/DDR2_A5 A2M/RLV2N/RED[4] RXB2- AE15 RXB3+ FRC_DDR3_A8/DDR2_A2 A3P/RLV4P/RED[1] FRC_DDR3_A9/DDR2_A9 A3M/RLV4N/RED[0] RXB3- AD16 RXB4+ FRC_DDR3_A10/DDR2_A11 A4P/RLV5P/GREEN[9]...