LG 42LH20R страница 24 Скачать руководство пользователя

Страница: 24 / 28

0.1uF

C644

0.1uF

C637

M_SDA

1000pF

C606

22000pF

C616

22000pF

C623

+1.8V_DVDD

1000pF 50V

C651

0.47uF

C632

MULTI_PW_SW

0.1uF

C605

+1.8V_DVDD

0.1uF

C615

0.1uF

C629

AMP_MUTE_HOTEL

+3.3V_MULTI_MST

0.1uF

C643

DA-8580

EAP38319001

L607

0.1uF

C617

0.1uF

C602

0.01uF

C647

SPK_R+

M_SCL

0.1uF

C610

DA-8580

EAP38319001

L603

22000pF

C611

SPK_L+

+1.8V_AVDD

SPK_L-

0.1uF

C669

+16V_NTP

SPK_R-

100pF

C601

22000pF

C625

+1.8V_AVDD

0.01uF

C672

0.01uF

C648

1000pF

C603

SW_RESET

0.47uF

C673

0.01uF

C671

0.1uF

C626

0.01uF

C613

330uF

C612

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES

SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.

FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS

ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR

THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.

SPK_L-

SPK_R+

+1.8V_DVDD

SPK_R-

SMAW250-04

P600

SPK_L+

+1.8V_AVDD

+1.8V

I2S_MCLK

I2S_SDO

I2S_WS

I2S_SCK

390pF

C619

390pF

C621

390pF

C630

390pF

C634

1uF

C608

1uF

C618

1uF

C624

1uF

C614

0.1uF

50V

C607

10uF

35V

C642

READY

+12V_AUDIO

MNT_R_AMP

+12V_AUDIO

RT1C3904-T112

Q600

RT1C3904-T112

Q601

MNT_L_AMP

0.01uF

C635

MNT_ROUT

+12V_AUDIO

LM324D

IC601

INPUT1-

VCC

OUT1

INPUT2-

OUT2

OUT3

INPUT3-

GND

INPUT4-

OUT4

6800pF

C628

6800pF

C627

MNT_LOUT

AUDIO_R

SPK_R-_HOTEL

SPK_R+_HOTEL

12505WR-09A00

HOTEL_OPT

P601

0.1uF HOTEL_OPT

C636

+16V_NTP

RT1C3904-T112 HOTEL_OPT

Q602

AMP_MUTE_HOTEL

+3.3V_MULTI_MST

SW_RESET

10uF 16V

C600

10uF 16V

C604

10uF

C609

3.3

R604

R608

R611

R610

R638

4.7K

R663

4.7K

R623

3.3

R626

3.3

R625

100

R601

3.3K

R600

100

R676

100

R677

100

R678

100

R602

100

R603

R656

HOTEL_OPT

R673

R658

R653

R621

R654

4.7K

R628

4.7K

R667

3.3

R671

3.3

R635

R607

10K

NON_HOTEL_OPT

R613

12K

HOTEL_OPT

R613-*

5.6K

R614

5.6K

R615

10K

NON_HOTEL_OPT

R616

12K

HOTEL_OPT

R616-*

R609

4.7K

R606

200

HOTEL_OPT

R612

10K HOTEL_OPT

R617

HOTEL_OPT

R620

HOTEL_OPT

R619

4.7K

R605

33pF

C631

33pF

C633

0.1uF

C620

0.1uF

C622

6.8K

R618

6.8K

R622

NTP-3100L

IC600

BST1A

VDR1A

RESET

DVSS_1

VSS_IO

CLK_I

VDD_IO

DGND_PLL

AGND_PLL

LFM

AVDD_PLL

DVDD_PLL

TEST0

DVSS_2

DVDD

SDATA

WCK

BCK

SDA

SCL

MONITOR_0

MONITOR_1

MONITOR_2

FAULT

VDR2B

BST2B

PGND2B_1

PGND2B_2

OUT2B_1

OUT2B_2

PVDD2B_1

PVDD2B_2

PVDD2A_1

PVDD2A_2

OUT2A_1

OUT2A_2

PGND2A_1

PGND2A_2

BST2A

VDR2A

VDR1B

BST1B

PGND1B_1

PGND1B_2

OUT1B_1

OUT1B_2

PVDD1B_1

PVDD1B_2

PVDD1A_1

PVDD1A_2

OUT1A_1

OUT1A_2

PGND1A_1

PGND1A_2

MLB-201209-0120P-N2

0LCML00003B

120-ohm

L605

MLB-201209-0120P-N2

0LCML00003B

120-ohm

L606

33pF 50V

C638

READY

33pF

50V

C639

READY

+3.3V_MST

10K

R630

RT1C3904-T112

Q603

10K

R629

MULTI_PW_SW

R627

READY

R624

READY

22K

R631

READY

SPK_L-

H6 LCD MERCURY

EAX56856904

AUDIO

MSTAR N-EU

2008/12/16

6 9

Main AMP

AMP :GAIN X 4

Chinese Hotel Option

LGE Internal Use Only

Содержание 42LH20R

Страница 1: ... SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LP91A MODEL 42LH20R 42LH20R MA North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only ...

Страница 2: ...ght 2009 LG Electronics Inc All right reserved Only for training and service purposes 2 CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 9 TROUBLE SHOOTING 14 BLOCK DIAGRAM 17 EXPLODED VIEW 18 SVC SHEET ...

Страница 3: ...d 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 metallic part has a return path...

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: ...e of each products is marked by models 4 Specification and performance of each parts are followed each 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 No Item Specification Measureme...

Страница 7: ...re mode Vivid 6 Component Video Input Y PB PR No Specification Remark Resolution H freq kHz V freq Hz Pixel Clock MHz 1 720 480 15 73 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 50Hz 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 50Hz 7 1280 720...

Страница 8: ... 768 48 363 60 004 65 00 VESA XGA 4 1280 x 768 47 776 59 87 79 5 VESA WXGA 5 1360 x 768 47 72 59 799 84 62 VESA WXGA 6 1366 x 768 47 7 60 00 84 62 WXGA 7 1280 x 1024 63 595 60 00 108 875 SXGA 8 1920 x 1080 66 647 59 988 138 625 WUXGA 8 2 DTV Mode No Specification Remark Resolution H freq kHz V freq Hz Pixel Clock MHz 1 720 x 480 15 73 59 94 13 500 SDTV DVD 480I 525I Spec out 2 720 x 480 15 75 60 0...

Страница 9: ...he MSTAR main software IC800 Mstar ISP Utility 1 Using D L Jig 2 Using USB Memory Stick 2 Input Tool Option Area option 3 Download the EDID EDID datas are automatically download when adjusting the Tool Option2 4 ADC Calibration RGB 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 Intellige...

Страница 10: ... input menu can differ the model spec Refer to Job Expression of each main chassis ass y EBTxxxxxxxx for Option value Caution Don t Press IN STOP key after completing the function inspection 4 3 EDID D L method Recommend that don t connect HDMI and RGB D SUB cable when downloading the EDID If not possible recommend that connect the MSPG equipment There are two methods of downloading the edid data ...

Страница 11: ...ress ENTER A 6 ADC adjustment is executed automatically 7 When ADC adjustment is finished this OSD appear 4 4 2 ADC Calibration RGB Using External pattern 1 Required Equipments Remote controller for adjustment MSPG 925F MSPG 1025 MSPG 3233 Pattern Generator 2 Process 1 Change the Input to RGB mode 2 Input the PC 1024x768 60Hz Horizontal Color Bar signal into RGB MSPG 925F Model 60 Pattern 65 3 Pre...

Страница 12: ... 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 Check DDC adjust mode release by exit key and release DDC adjust mode 3 Enter the adjust mode of white balance Enter the whit...

Страница 13: ...easing 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 coordinates of W B can be lower than the spec 13 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserv...

Страница 14: ...ED Assy A PROCESS Fail Fail Pass Pass Check LEDAssy Change IC1002 Q1003 Pass Check short of IC1001 IC1003 IC1007 Fail Re soldering or Change defect part of IC1001 IC1003 IC1007 Fail No Raster B Process Check LED status On Display Unit Repeat A PROCESS Pass Fail Check Output of IC802 Change IC802 Fail Change Inverter Connector Or Inverter Fail Pass Fail Pass Change Module Fail Check LVDS Cable Pass...

Страница 15: ...t part Pass No Raster on COMMPONENT Signal Check Input source Cable And Jack Pass Re soldering or Change the defect part Pass Check the Input Output Of IC800 Fail Re soldering or Change the defect part Repeat A B Process Check The Input Output Of JK101 Fail Pass No Raster on HDMI Signal Check Input source Cable And Jack Pass Check the Input Output Of JK301 JK302 JK303 Fail Re soldering or Change t...

Страница 16: ...t Fail No Raster On AV Video S Video Signal No Signal On TV RF Signal Check Input source Cable And Jack Pass Check Input source Cable And Jack Pass Check The Input Output Of JK101 JK201 Pass Re soldering or Change the defect part Pass Fail Pass Repeat A B Process Check the Input Output Of IC800 Fail Re soldering or Change the defect part Pass Check The Input Output Of TU500 Pass Re soldering or Ch...

Страница 17: ...DM 2_SCL SDA PC_SCL SDA MNT_VOUT AV2_VIN AV2_LIN RIN IIS_OUT USB USB_DN PN AUDIO AMP HDMI3_SCL SDA EEPROM 24C02 HDMI_DATA_3 TMDS TMDS TMDS HDMI3 USB Fo r D L EEPROM 256K Serial Flas h 8MByt e RGB_PC PC_Aud io TV RF COMP1 HDMI1 HDMI2 RS232 TX 232C Driver ST3232C PC_R G B HS VS PC_Aud io _L R 7 00m Vrms MNT_OUT 1Vp p SIDE_V 1Vp p SIDE_L SIDE_R 5 00mVrms DDR2 512MB EEPROM 24C02 Co mp 1_L R 5 00mVrms ...

Страница 18: ...rical 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 manufacture...

Страница 19: ...LUG2 3 0 SPRING 4 C LUG3 5 C LUG4 SHIELD 7 75 R102 0 HOTEL_OPT R103 0 HOTEL_OPT R105 0 NON_HOTEL_OPT R106 0 HOTEL_OPT R101 75 R109 75 R108 75 R107 220K R104 12K R118 12K R117 12K R119 12K R120 10K R113 10K R115 10K R116 220K R100 220K R111 220K R112 75 R110 75 R122 S VIDEO 75 R121 S VIDEO 10K R123 100pF READY C103 10K R114 PPJ226 01 JK100 9A GN 1P_CAN 4A GN O SPRING_A 3A GN CONTACT_A 9B BL 1P_CAN ...

Страница 20: ...DDC_WP PC_HS PC_AUD_L 5V_MULTI DSUB_SCL PC_R CDS3C30GTH 30V D202 CDS3C30GTH 30V D203 ADUC30S03010L_AMODIODE 30V D200 ADUC30S03010L_AMODIODE 30V D201 30V D206 30V D205 ADUC30S03010L_AMODIODE 30V D204 ADUC30S03010L_AMODIODE 30V D209 30V D208 READY 30V D207 READY USB_DL_N USB_DL_P 0 REAR_USB R229 0 REAR_USB R230 USBDOWNSTREAM UB01123 4HHS 4F JK205 REAR_USB 1 2 3 4 5 0 1uF C203 0 1uF C200 0 1uF C201 0...

Страница 21: ... DDC_WP THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC BSS83 CEC_READY Q303 S B D G CEC 3 3V_MST CEC_C CDS3C30GTH 30V CEC_READY D304 MMBD301LT1G 30V CEC_READY...

Страница 22: ...420 4 7K R421 10K IR OUT R427 10K IR OUT R428 47K IR OUT R426 0 R417 NON_19_22_26 0 R400 READY 0 R403 NON_19_22_26 0 R413 READY 0 R402 8 B I T o r 5 2 s h a r p 4 7K 10BIT R401 4 7K JEIDA R407 0 R424 VESA 100 R409 READY 0 READY R405 0 OPC_ENABLE R412 470 R435 OPC_ENABLE SMAW200 03 P404 19_22_26 1 KEY1 2 KEY2 3 GND 120 ohm L404 120 ohm L407 NON_19_22_26 TF05 51S P401 1 2 3 4 5 6 7 8 9 10 11 12 13 1...

Страница 23: ... 13 V OUT 5 RF_AGC 12 NC_4 11 MOPLL_AS 2 GND_1 19 NC_8 18 NC_7 10 SCL 4 NC_2 1 NC_1 17 NC_6 9 SDA 8 GND_2 3 B 5V 16 SIF OUT 7 NC_3 6 TP 3 3V_OPT 15 A OUT 21 SHIELD 20 NC_9 TAFT Z203D TU500 PAL_TUNER 14 NC_5 13 V OUT 5 RF_AGC 12 NC_4 11 MOPLL_AS 2 GND_1 19 NC_8 18 NC_7 10 SCL 4 NC_2 1 NC_1 17 NC_6 9 SDA 8 GND_2 3 B 5V 16 SIF OUT 7 NC_3 6 TP 3 3V_OPT 15 A OUT 21 SHIELD 20 NC_9 4 7K R502 220 R506 220...

Страница 24: ... HOTEL_OPT Q602 E B C AMP_MUTE_HOTEL 3 3V_MULTI_MST SW_RESET 10uF 16V C600 10uF 16V C604 10uF 16V C609 3 3 R604 12 R608 12 R611 12 R610 12 R638 4 7K R663 4 7K R623 3 3 R626 3 3 R625 100 R601 3 3K R600 100 R676 100 R677 100 R678 100 R602 100 R603 0 R656 HOTEL_OPT 0 R673 12 R658 12 R653 12 R621 12 R654 4 7K R628 4 7K R667 3 3 R671 3 3 R635 1K R607 10K NON_HOTEL_OPT R613 12K HOTEL_OPT R613 5 6K R614 ...

Страница 25: ...M 124 LVA1P 125 LVA1M 126 LVA0P 127 LVA0M 128 VDDP_2 129 LVB4P 130 LVB4M 131 LVB3P 132 LVB3M 133 LVBCKP 134 LVBCKM 135 LVB2P 136 LVB2M 137 LVB1P 138 LVB1M 139 LVB0P 140 LVB0M 141 AVDD_LPLL 142 GND_7 143 VDDC_4 144 GPIO150 I2C_OUT_MUTE 145 GPIO151 I2C_OUT_SD2 146 GPIO152 I2C_OUT_SD3 147 GND_8 148 GPIO51 149 GPIO52 150 GPIO53 151 GPIO54 152 GPIO55 153 GPIO56 154 GPIO57 155 GPIO58 156 VDDP_3 157 VDDC...

Страница 26: ...CHEMETIC V_REF 0 1 u F 50V C918 HYB18TC512160B2F 2 5 IC900 J 2 VREF J 8 CK H2 VSSQ2 B7 UDQS N8 A4 P8 A8 L1 NC4 L2 BA0 R8 NC3 K7 RAS F8 VSSQ3 F3 LDM P3 A9 M3 A1 N3 A5 K8 CK R3 NC5 L3 BA1 J 7 VSSDL L7 CAS F2 VSSQ4 B3 UDM M2 A10 AP K2 CKE R7 NC6 M7 A2 N7 A6 M8 A0 J 1 VDDL K3 WE E8 LDQS P7 A11 K9 ODT A2 NC1 N2 A3 P2 A7 H8 VSSQ1 F7 LDQS A8 UDQS R2 A12 L8 CS E2 NC2 E7 VSSQ5 D8 VSSQ6 D2 VSSQ7 A7 VSSQ8 B8...

Страница 27: ...AP2121N 3 3TRE1 IC1007 1 GND 2 VOUT 3 VIN 0 1 u F 16V C1014 BD9130EFJ E2 IC1001 3 ITH 2 VCC 4 GND 1 ADJ 5 PGND 6 SW 7 PVCC 8 EN 10K R1006 1 10W 2K 1 R1009 1 10W 3 3K 1 R1010 10uF 10V C1016 10uF 6 3V C1022 0 1 u F 50V C1015 0 1 u F 50V C1023 12K R1008 560pF 50V C1012 2200pF 50V C1055 READY 3 3 R1078 READY 10uF 16V C1004 10uF 16V C1013 10K R1079 AZ1085S 3 3TR E1 IC1003 1 ADJ GND 2 OUTPUT 3 INPUT 10u...

Страница 28: ...Jan 2009 Printed in Korea P NO MFL60021513 ...

Результаты поиска

Содержание 42LH20R

Отзывы:

Похожие инструкции для 42LH20R

Бренды по названию

Популярные бренды

LG 42LH20R, Руководство по обслуживанию

Результаты поиска

Содержание 42LH20R

Отзывы:

Похожие инструкции для 42LH20R

Бренды по названию

Популярные бренды