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LGE Internal Use Only

Copyright ©

LG Electronics. Inc. All rights reserved.

Only for training and service purposes

TROUBLE SHOOTING

No power

(LED indicator off)

Check 24V, 12V, 3.5V

of Power B/D

Check short of Main B/D

or Change Power B/D

Pass

Check Output of

IC701, IC702, IC705,

IC704, IC709

Check P400 Connector

Change LED Assy

: [A] Process (for non-adapter models)

Fail

Fail

Pass

Pass

Check LED Assy

Check Output of Q720

Pass

Check short of

IC701, IC702, IC705,

IC704, IC709

Fail

Re-soldering or Change defect part

Fail

No power

(LED indicator off)

Check output of adapter

(JK700 : 24V)

Check short of Main B/D

or Change adapter

Pass

Check Output of

IC701, IC702, IC704,

IC705, IC706,IC707,IC708,

IC709,IC800

Check P400 Connector

Change LED Assy

: [A-1] Process (for adapter models)

Fail

Fail

Pass

Pass

Check LED Assy

Check Output of Q720

Pass

Check short of

IC701, IC702, IC704,

IC705, IC706,IC707,IC708,

IC709,IC800

Fail

Re-soldering or Change defect part

Fail

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Содержание 32LS3150-TA

Страница 1: ...E MANUAL North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only CHASSIS LP24B MODEL 32LS3510 32LS3150 TA CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL ...

Страница 2: ...nc All rights reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SERVICING PRECAUTIONS 4 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 9 TROUBLESHOOTING GUIDE 13 BLOCK DIAGRAM 16 EXPLODED VIEW 17 SCHEMATIC CIRCUIT DIAGRAM ...

Страница 3: ...inals etc to be sure the set is safe to operate without damage of electrical shock 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 m...

Страница 4: ...lectrostatic charge on your body by touching a known earth ground Alter natively obtain and wear a commercially available discharging wrist strap device which should be removed to prevent poten tial 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...

Страница 5: ...he 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 replace...

Страница 6: ...ch drawing 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 Model General Specification No Item Specification Remarks 1 Market NON EU 2 Broadcasting system 1 PAL SECAM B G D K 2 PAL I II 3 ...

Страница 7: ... 1080I 50Hz 11 1920 1080 33 72 59 94 74 176 HDTV 1080I 12 1920 1080 33 75 60 00 74 25 HDTV 1080I 13 1920 1080 56 25 50 148 5 HDTV 1080P 14 1920 1080 67 432 59 94 148 350 HDTV 1080P 15 1920 1080 67 5 60 00 148 5 HDTV 1080P 6 HDMI Input 6 1 PC Mode Spec out but it can be shown the picture at only HDMI DVI IN 1 via DVI to HDMI Cable Monitor Range Limits Min Vertical Freq 58 Hz Max Vertical Freq 63 Hz...

Страница 8: ...0 00 27 027 SDTV 480P 6 720 576 31 25 50 00 27 SDTV 576P 7 1280 720 44 96 59 94 74 176 HDTV 720P 8 1280 720 45 60 00 74 25 HDTV 720P 9 1280 720 37 5 50 00 74 25 HDTV 720P 10 1920 1080 28 125 50 00 74 25 HDTV 1080I 11 1920 1080 33 72 59 94 74 176 HDTV 1080I 12 1920 1080 33 75 60 00 74 25 HDTV 1080I 13 1920 1080 56 25 50 00 148 5 HDTV 1080P 14 1920 1080 67 432 59 94 148 350 HDTV 1080P 15 1920 1080 6...

Страница 9: ...f keeping module is in the circumstance of 0 C it should be placed in the circumstance of above 15 C for 2 hours In case of keeping module is in the circumstance of below 20 C it should be placed in the circumstance of above 15 C for 3 hours 3 PCB assembly adjustment method 3 1 Mstar Main S W program download 3 1 1 Using D L Jig 1 Preliminary steps 1 Connect the download jig to D sub JK201 Jack 2 ...

Страница 10: ...ocess 1 Change the Input to Component mode 2 Input the Component 480P 60 Hz 100 color Bar Y Pb Pr signal into Component MSPG 925F Model 212 Pattern 65 3 Press ADJ key on R C for adjustment 4 Enter Password number Password is 0413 5 Select Auto RGB and press OK key 6 ADC adjustment is executed automatically 7 When ADC adjustment is finished this OSD appear COMPONENT OK 3 4 3 Confirmation 1 Adjust b...

Страница 11: ...d ch by CS 1000 Auto W B adjustment instrument only for Auto adjustment 4 2 1 Connecting diagram of equipment for measuring For Automatic Adjustment 1 Enter the adjustment mode of DDC 22Set command delay time 50ms Enter the DDC adjustment mode at the same time heat run mode when pushing the power on by power only key Maintain the DDC adjustment mode with same condition of Heat run Maintain after A...

Страница 12: ...and temperature when using the CA100 or CA210 equipment Small size inch s color coordinate is different from others So use below table 1 All Edge LED except LGD lamp over 26 and None Edge LED LGD Direct LED 42inch and LGD Edge LED 26inch Over 2 22 TN Edge LED Small size inch s color coordinate is different from others so use below table 3 22 Lamp CMI THTF Small size inch s color coordinate is diff...

Страница 13: ...il Pass Pass Check LED Assy Check Output of Q720 Pass Check short of IC701 IC702 IC705 IC704 IC709 Fail Re soldering or Change defect part Fail No power LED indicator off Check output of adapter JK700 24V Check short of Main B D or Change adapter Pass Check Output of IC701 IC702 IC704 IC705 IC706 IC707 IC708 IC709 IC800 Check P400 Connector Change LED Assy A 1 Process for adapter models Fail Fail ...

Страница 14: ...hange Panel Link Cable Or Module Check Inverter Connector Or Inverter Pass No Raster on COMPONENT Signal Check Input source Cable And Jack Pass Re soldering or Change the defect part Pass Check the Input Output Of IC501 Fail Re soldering or Change the defect part Repeat A A 1 B Process Check The Input Output Of JK101 Fail Pass No Raster on HDMI Signal Check Input source Cable And Jack Pass Check t...

Страница 15: ...art Pass Fail Pass Repeat A A 1 B Process Check the Input Output Of IC501 Fail Re soldering or Change the defect part Pass Check The Input Output Of TU401 Pass Re soldering or Change the defect part Pass Fail Check the Input Output Of IC501 Fail Re soldering or Change the defect part Repeat A A 1 B Process No Sound Check The Input Source Check The Input Output Of IC301 Re soldering or Change the d...

Страница 16: ...dio R Out HDMI SCL SDA T8 R9 P8 R8 P9 T9 Audio_SCL Audio_SDA LVDS Output P Dim Inv ON Error Out A Dim P_ST 3 5V P_6 8V Tuner_5V P_24V IC701 MP20051 Main_1 2V A_OUT_12V 20 21 7 17 18 19 I2S_MCLK I2S_WS I2S_SCK I2S_SDO D SUB SCL SDA D10D11 P400 C10 C11 B9 IR KEY1 Led_PWR E16 A11 C12 B12 N11 N10 T4 J15 H15 Main SDA Main SCL D1 D3 C15 C16 B15 B16 SPI_CLK SPI_DI SPI_CZ SPI_DO S_AMP_24V 32 33 2 17 LPF P...

Страница 17: ... Many electrical 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 ...

Страница 18: ...IN P_12V Q103 RT1C3904 T112 E B C MNT_VOUT Q106 RT1C3904 T112 E B C ZD102 SD05 R108 75 ZD100 SD05 D104 30V R123 1K C101 10uF 16V C102 10uF 16V C105 560pF 50V READY C106 560pF 50V READY R103 220 DEBUG R101 75 DEBUG JK101 PPJ243 01 5C GN C SPRING 6C GN E LUG 4C GN CONTACT 5D BL C SPRING 7E RD2 E LUG S 5E RD2 C SPRING 5F WH2 C SPRING 4G RD3 CONTACT 5G RD3 C SPRING 6G RD3 E LUG 6A WH1 E LUG 5A WH1 C S...

Страница 19: ... E B C HDMI_D1 D230 KDS184S A1 C A2 R232 10K CEC_C R233 10K HDMI_D2 JK203 14 NC 13 CEC 5 DATA1_SHIELD 20 SHIELD 12 CLK 11 CLK_SHIELD 2 DATA2_SHIELD 19 HPD 18 5V_POWER 10 CLK 4 DATA1 1 DATA2 17 DDC CEC_GND 9 DATA0 8 DATA0_SHIELD 3 DATA2 16 SDA 7 DATA0 6 DATA1 15 SCL L221 120OHM READY C223 10uF 16V READY JK202 3AU04S 305 ZC LG 1 2 3 4 5 C222 0 1uF 50V READY R222 510 READY R221 1K READY 5V_USB ZD221 ...

Страница 20: ...7K C325 1uF 25V SOUND_VCC 0 1uF C336 50V C313 33pF 50V C303 4 7uF 16V SOUND_VCC D304 100V 1N4148W OPT I2S_MCLK C314 33pF 50V I2S_SDO I2S_SCK R307 3 3K AUAMP_SDA 0 1uF C330 50V C342 390pF 50V R320 4 7K AUAMP_SCL C339 0 47uF 50V R316 12 C324 22000pF 50V R338 10K C304 1000pF 50V R313 100 SPK_R C337 390pF 50V C320 22000pF 50V L303 10 0uH R319 12 L309 BLM18PG121SN1D R325 12 C310 10uF 10V OPT IC301 NTP ...

Страница 21: ...NER TUNER_SDA C424 0 1uF 16V C425 1000pF 50V L422 120 ohm R426 10K 3 5V_ST C426 100pF 50V READY C402 100uF 16V READY ZD420 5 6V Soft T R404 47 C420 0 1uF READY TUNER_SCL IF_P C428 47pF 50V READY R407 0 READY C427 0 1uF 50V READY R402 4 7K 3 3V_M C423 470pF 50V Non_Adapter 3 5V_ST 0 01uF C404 50V LED 3 5V_ST KEY1 R420 Soft T 100 R421 Soft T 100 P401 12507WR 12L 12P_TACT 1 NC 2 NC 3 GND 4 KEY1 5 KEY...

Страница 22: ..._D C6 RX0P_D B6 RX1N_D A6 RX1P_D C5 DDCDD_DA C4 RX2N_D A5 RX2P_D B5 DDCDD_CK B4 HOTPLUGA D4 RXCKN_A A3 RXCKP_A A2 RX0N_A B3 RX0P_A B2 RX1N_A B1 RX1P_A C3 DDCDA_DA D3 RX2N_A C1 RX2P_A C2 DDCDA_CK D1 ARC D2 HSYNC0 E4 BIN0P E3 SOGIN0 E2 GIN0P F3 GIN0M F2 RIN0P F1 VSYNC0 F4 BIN1P H3 SOGIN1 H2 GIN1P J3 GIN1M J2 RIN1P J1 VSYNC1 K3 CVBS2 K1 CVBS1 K2 CVBS0 L1 VCOM L2 CVBSOUT M1 AUL0 M2 AUR0 N1 AUL1 N2 AUR...

Страница 23: ...42 42 43 43 44 44 45 45 46 46 47 47 48 58 49 59 50 50 51 51 52 P602 FF10001 30 WAFER_HD_19_22 1 30 2 29 3 28 4 27 5 26 6 25 7 24 8 23 9 22 10 21 11 20 12 19 13 18 14 17 15 16 16 15 17 14 18 13 19 12 20 11 21 10 22 09 23 08 24 07 25 06 26 05 27 04 28 03 29 02 30 01 31 RXECK RXO2 RXE1 RXE0 RXE0 RXE4 3 3V_M RXE3 RXE1 RXE0 R624 0 HD_LARGE RXE2 RXE0 RXECK RXE1 RXOCK R626 4 7K READY RXE3 RXE2 RXE2 R621 ...

Страница 24: ...2V C786 1uF 25V R787 105K 1 10W 1 3 3V_M C754 10uF 10V C780 0 1uF 16V 3 5V_ST P_24V C776 10uF 10V C713 0 1uF 50V ADAPTER_NON_LED_DRIVER 110 R775 C730 0 1uF 50V C789 10uF 25V 5V_USB L702 120 ohm NON_ADAPTER 0 1uF C779 50V R701 4 7K RL_ON C760 1uF 25V L750 BLM18PG121SN1D R707 0 POWER_24_GND P_24V_ADAPTER Q721 MMBT3904 NXP E B C L701 120 ohm NON_ADAPTER 0 1uF C778 50V R764 10K R755 22K RL_ON 100 R732...

Страница 25: ... R824 10K 1 8W R804 6 8K READY R825 100 1 10W READY C811 100pF 50V R811 3 3 1 10W 5 C813 0 33uF 50V C801 2 2uF 50V WLED_ENABLE C816 1000pF 50V C815 1000pF 50V R823 7 5K 1 8W R826 10K 1 10W READY R822 1 27K 1 10W 1 LGD_TN R815 13K 1 10W 5 22_CMI_EDGE LED DRIVER 8 8 LP24B 32CS410 2012 03 02 EAX64671103 59Kohm C106 0 68uF 0 33uF ILED 1500 RSETI Remark 11Kohm 560Kohm 44 28V R10013 61 35mA 54 26V R1001...

Страница 26: ......

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