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LCD TV

SERVICE MANUAL

CAUTION

BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

CHASSIS : LP92A

MODEL : 22LD310

22LD310-TA

North/Latin America

http://aic.lgservice.com

Europe/Africa

http://eic.lgservice.com

Asia/Oceania

http://biz.lgservice.com

Internal Use Only

Printed in Korea

P/NO : MFL62298301 (1002-REV00)

Содержание 22LD310

Страница 1: ...READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LP92A MODEL 22LD310 22LD310 TA North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only Printed in Korea P NO MFL62298301 1002 REV00 ...

Страница 2: ...nly Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 2 CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 8 BLOCK DIAGRAM 12 EXPLODED VIEW 13 SVC SHEET ...

Страница 3: ...heck 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 metallic part has a return path to...

Страница 4: ... on your body by touching a known earth ground Alternatively obtain and wear a commercially available discharging wrist strap device which should be removed to prevent potential shock reasons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge...

Страница 5: ...the solder joints of the two original leads If they are not shiny reheat them and if necessary apply additional solder Fuse and Conventional Resistor Removal Replacement 1 Clip each fuse or resistor lead at top of the circuit board hollow stake 2 Securely crimp the leads of replacement component around notch at stake top 3 Solder the connections CAUTION Maintain original spacing between the replac...

Страница 6: ...awing and specification by part number in accordance with BOM 5 The receiver must be operated for about 5 minutes prior to the adjustment 3 Test method 1 Performance LGE TV test method followed 2 Demanded other specification Safety CE IEC specification EMC CE IEC 4 Module specification General No Item Specification Measurement Remark 1 Screen Size 55 cm 22 inch wide Color Display Module Resolution...

Страница 7: ...59 94 13 500 SDTV DVD 480I 525I 2 720 480 15 75 60 00 13 514 SDTV DVD 480I 525I 3 720 576 15 625 50 00 13 500 SDTV DVD 576I 625I 50 Hz 4 720 480 31 47 59 94 27 000 SDTV 480P 5 720 480 31 50 60 00 27 027 SDTV 480P 6 720 576 31 25 50 00 27 000 SDTV 576P 50 Hz 7 1280 720 44 96 59 94 74 176 HDTV 720P 8 1280 720 45 00 60 00 74 250 HDTV 720P 9 1280 720 37 50 50 00 74 25 HDTV 720P 50 Hz 7 HDMI Input DTV ...

Страница 8: ...or 5 minutes at RF no signal 3 Adjustment items 3 1 PCB assembly adjustment items 1 Download the MSTAR main software IC604 Mstar ISP Utility 1 Using D L Jig 2 Input Tool Option 3 ADC Calibration Component 4 Check SW Version 3 2 SET assembly adjustment items 1 Input Area option 2 Adjustment of White Balance Auto Manual 3 Input Tool Option Area option 4 Preset CH information 5 Factoring Option Data ...

Страница 9: ...g of EDID could be failed 4 3 EDID Data 22LD310 HDMI 256Byte 1 EDID D L method 1 Press the In start key 2 Move to the System Control2 and Press the OK 3 Move to the EDID D L and press the right direction key G 4 After about a few seconds appear OK then complete 5 Press the OK key 6 Press the EXIT key 4 4 ADC Calibration Component Using External pattern 1 Required Equipments Remote control for adju...

Страница 10: ...same condition of Heat run Maintain after AC off on in status of Heat run pattern display 2 Release the DDC adjustment mode Release the adjust mode after AC off on or std by off on in status of finishing the Hear run mode Release the Adjust mode when receiving the aging off command F3 00 00 from adjustment equipment Need to transmit the aging off command to TV set after finishing the adjustment Ch...

Страница 11: ...asing the R 4 x target y target i First decrease B so make x a little more than the target ii Adjust x value by decreasing the G 4 Standard color coordinate and temperature when using the CA100 or CA210 equipment To check the Coordinates of White Balance you have to measure at the below conditions Picture Mode User 1 Dynamic Contrast Off Dynamic Colour Off If you miss the upper condition the coord...

Страница 12: ...ONENT JK100 MNT_OUT COMP_Y Pb Pr COMPONENT_Y Pb Pr 1 0 7Vpp E DIM C TXCE0 aria8 IC604 COMPONENT_L R 500mVr ms COMP_LIN RIN AV JK101 connect TXCE2 TXCE3 TXCLKE TX E1 TXCO1 TXCO3 TXCO2 TXCO0 TXCLKO P202 P203 P204 AV_LIN RIN 500mVrms R SPK OUT AV_VIN 1Vpp PWM AUDIO LOUT ROUT 500mVr ms AV_VIN AV_LIN RIN AUAMP_SCL SDA IC502 IC501 TV RF L_SPK_O UT _ _ NTP3100L _ m TU_MAIN L_CH R_CH IF SIF AUDIO_L R OUT ...

Страница 13: ...and mechanical parts in this chassis have special safety related characteristics These parts are identified by in the Schematic Diagram and EXPLODED VIEW It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X RADIATION Shock Fire or other Hazards Do not modify the original design without permission of manufacturer IMPO...

Страница 14: ... S 9C RD E LUG_1 8C RD C LUG S 9D WH E LUG 8D WH C LUG S 9E RD E LUG_2 4E RD O SPRING S 3E RD CONTACT S 5F YL O SPRING L 6F YL CONTACT L 7G WH C LUG L 5H RD O SPRING L 6H RD CONTACT L 9B BL E LUG 8B BL C LUG S CVBS_VIN D105 30V R110 75 COMP_PR D108 30V NON_HOTEL_OPT D101 30V R117 75 R129 0 HOTEL_OPT ZD104 SD05 MUTE_LINE R105 75 R106 220 Q102 RT1C3904 T112 E B C R112 68 R114 47 R111 470 MNT_VOUT_T ...

Страница 15: ...uF 50V READY C202 0 1uF 50V READY C201 0 1uF 50V READY C207 0 1uF 50V C212 100pF 50V L207 8OHM KEY2 ZD205 5 6B READY R222 0 OPC_ENABLE P203 FF10001 30 26_32inch 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Q201 RT1C3904 T112 OPC_ENABLE E B C R205 1K OPC_ENABLE OPC_EN R202 0 READY R201 470 OPC_ENABLE ZD202 5 6B READY ZD201 5 6B P201 12507WS 08L 1 KEY1 2 KEY2 3...

Страница 16: ...04K RED 1 GREEN 2 BLUE 3 GND_1 4 DDC_GND 5 RED_GND 6 GREEN_GND 7 BLUE_GND 8 NC 9 SYNC_GND 10 GND_2 11 DDC_DATA 12 H_SYNC 13 V_SYNC 14 DDC_CLOCK 15 SHILED 16 DSUB_SCL DSUB_SDA D304 30V D303 30V R303 10 R304 10 R323 10K R301 10K READY R313 10K R321 10K R320 4 7K R302 1K R324 100 R322 100 R325 100 R331 4 7K R329 4 7K R327 10K R328 0 READY IC301 AT24C02BN 10SU 1 8 3 A2 2 A1 4 GND 1 A0 5 SDA 6 SCL 7 WP...

Страница 17: ...INPUT 1 INPUT 5 OUTPUT2 4 OUTPUT1 3 CHIP_CARRIER D403 35V KDS114E KEC TU_SW_VIF D402 35V KDS114E KEC TU_SW_SIF L404 2 2uH READY L401 820nH 5V_TUNER R432 4 7K R433 4 7K 5V_M 5V_M 5V_M 5V_M L402 K9653D ONLY_TA 2 SWITCHING_INPUT 1 INPUT 5 OUTPUT_2 4 OUTPUT_1 3 INPUT GND CHIP_CARRIER_GND L402 1 M9370M ONLY_MA 2 INPUT GND 1 INPUT 5 OUTPUT_2 4 OUTPUT_1 3 CHIP_CARRIER GND C402 47uF 25V R424 10K R436 10K ...

Страница 18: ...48 33pF 50V R543 5 6K R513 100 24V_15V_NTP AMP_MUTE_HOTEL C523 1uF 25V 3 3V_M IC502 LM324D 3 INPUT1 2 INPUT1 4 VCC 1 OUT1 6 INPUT2 5 INPUT2 7 OUT2 8 OUT3 9 INPUT3 10 INPUT3 11 GND 12 INPUT4 13 INPUT4 14 OUT4 L504 DA 8580 EAP38319001 2S 1S 1F 2F R545 10K HOTEL_OPT I2S_SCK R503 0 READY C520 22000pF 50V C542 0 01uF 50V R536 4 7K I2S_MCLK C539 0 47uF 50V C547 6800pF 50V R540 200 HOTEL_OPT C509 1uF 25V...

Страница 19: ...33K R672 4 7K R668 4 7K R666 4 7K R674 4 7K R604 1K R603 1K R612 2K R613 10K R626 33K 26_32inch R623 10K R619 1K 100 R651 100 R649 3 3V_M R687 4 7K READY R680 4 7K R688 4 7K R679 4 7K READY SW_RESET R657 0 LED_R HDMI_5V_DET DDC_CTL FLASH_WP R677 100 R678 100 R652 0 TUNER_SDA R654 0 TUNER_SCL R659 100 R660 100 R615 22 R616 22 R617 22 R618 22 R696 4 7K R697 4 7K C667 0 1uF READY LED_B 100 R634 100 R...

Страница 20: ...READY R730 12K R740 10K 3 3V_M C717 560pF 50V IC704 AZ1085S 3 3TR E1 1 ADJ GND 2 OUTPUT 3 INPUT R744 2K R745 3 3K 1 8V_M C725 2200pF 50V READY L707 2 2uH 5V_M R718 0 0 01uF C713 25V R701 10K R703 1 2K P701 FM20020 24 26_32inch 19 NC 14 12V 9 5 2V 4 GND 18 24V 13 12V 8 5 2V 3 GND 17 24V 12 GND 7 5 2V 2 Power ON 16 GND 11 GND 6 GND 1 NC 20 Inverter ON 15 GND 10 5 2V 5 GND 21 A Dim 22 Error Out 23 NC...

Страница 21: ......

Страница 22: ...0L MSTAR MSTAR NPT3000A Hotel speaker out NPT3100L MSTAR Romeo2 MSTAR MARIA8 Hotel speaker out Audio S W HDMI SW USB USB MPEG Digital Inputs Analog Inputs RS232C Digital Inputs Analog Inputs RF AV COMPONENT RGB S Video HDMI 1 2 3 RF AV COMPONENT HDMI Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only RGB S Video Option ...

Страница 23: ...pport Y HDMI Component N Support up to 720p for Component HDMI 1080p Panel support N N AV Output Y X Only Support AV Audio Output Hotel Speaker Out Optional Optional HDMI 2EA 1EA Component 2EA 22 1EA 1EA AV 2EA 1EA AV 2EA 1EA S Video 1EA X RGB_PC 1EA X RS 232 Optional X RS 232 p 26 32 37 42 47LG3R Must USB Function N X USB D L SVC N X Copyright 2009 LG Electronics Inc All right reserved Only for t...

Страница 24: ...2 In Vivid Standard Cinema Each items support User Mode Advanced Picture Mode value can t be changed Picture Mode value can be changed for all mode Control except user mode Audio Sound Mode SRS TSXT Clear Voice Standard Music Cinema Sport Game User Standard Music Cinema In Standard Music Cinema In Standard Music Cinema Support Treble Bass setting for all input Clear Voice Sound Mode 하위 위치함 Not Sup...

Страница 25: ...Cable then JIG RED LED on H5 Mstar Program zip 2 PLUG DownLoad JIG to PC with USB Cable then JIG RED LED on USB Cable to PC Move Switch t th L ft d to the Left end Right RED LED On PLUG USB Cable Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only RGB D Sub Cable to VSC H5 TV PLUG USB Cable ...

Страница 26: ...finishing install DownLoad Program but no need g g to push anything for this window After finishing Installation this window will be disappeared 4 Execute Setup exe in DB07 6 driver directory The location of directory can be different D bl Cli k Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Double Click ...

Страница 27: ...ctory Path and Push Next 5 2 and Push Next 5 3 5 1 Click 5 2 Click 5 3 Click 6 While installation Warning Windows pop up then push continue 6 2 Click 6 3 Click 6 4 Cli k 6 5 Cli k Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 6 4 Click 6 5 Click ...

Страница 28: ...1 Click 7 2 Click 8 Make a ISP_tool exe short cut to desktop 8 1 Right Click 8 2 Fix the cursor to send N 8 3 Click Make a short cut to desktop Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 29: ...k Output of IC701 IC702 IC704 Q705 Fail Check short of IC701 IC702 IC704 Re soldering or Change defect Part Fail IC701 IC702 IC704 Q705 Pass Change IC701 IC702 IC704 Pass Part Change LED Assy Pass Check LED Assy Fail Check P201 Connector Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 30: ...ule Change Panel Link Cable Or Module Change Inverter Connector Pass Check Inverter Connector Or Inverter Fail Or Inverter Pass Check Output of Q705 Change Q705 Fail Ch M d l Ch k LVDS C bl Pass Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Change Module Fail Check LVDS Cable ...

Страница 31: ...ect part Pass Ch k th I t O t t Re soldering or Pass Pass Check the Input Output Of IC604 Fail Re soldering or Change the defect part Fail Check the Input Output Of IC301 Fail Re soldering or Change the defect part Pass Repeat A B Process Pass Check the Input Output Of 602 Fail Re soldering or Change the defect part Check HDMI EDID Data Re download HDCP Pass Check the Input Output Of IC604 Fail Re...

Страница 32: ...ring or Change the defect part Fail Pass Check the Input Output Of IC604 Fail Re soldering or Change the defect part Check the Input Output Of Q401 IC707 Fail Re soldering or Change the defect part Pass Pass Repeat A B Process Pass Check the Input Output Of IC703 IC706 Fail Re soldering or Change the defect part Check the Input Output Of L402 L403 Fail Re soldering or Change the defect part Pass C...

Страница 33: ... Check The Input Output Of IC501 Re soldering or Change the defect part Fail Pass Check The Speaker Change Speaker Fail Fail Check The Speaker Wire Pass Check The Speaker Wire Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

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