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THERMAL

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.

C644

0.1uF

C637

0.1uF

M_SDA

C606

1000pF

C616

22000pF

C623 22000pF

+1.8V_DVDD

C651

1000pF

50V

C632

0.47uF

MULTI_PW_SW

C605

0.1uF

+1.8V_DVDD

C615
0.1uF
50V

C629

0.1uF

+3.3V_MULTI_MST

C643

0.1uF

C617
0.1uF
50V

C602

0.1uF

C647

0.01uF

SPK_R+

M_SCL

C610

0.1uF

C611

22000pF

SPK_L+

+1.8V_AVDD

SPK_L-

C669

0.1uF

+16V_NTP

+16V_NTP

SPK_R-

C601

100pF

C625

22000pF

+1.8V_AVDD

C672

0.01uF

C648

0.01uF

C603

1000pF

SW_RESET

C673

0.47uF

C671

0.01uF

C626
0.1uF

C613
0.01uF
50V

SPK_L-

SPK_R+

+1.8V_DVDD

SPK_R-

SPK_L+

+1.8V_AVDD

+1.8V

I2S_MCLK

I2S_SDO

I2S_WS

I2S_SCK

C619

390pF

C621

390pF

C630

390pF

C634
390pF

C608

1uF

C618

1uF

C624

1uF

C614

1uF

C607

0.1uF

50V

C642
10uF

35V

C600

10uF

16V

C604

10uF

16V

C609

10uF 16V

R604

3.3

R608

12

R611

12

R610

12

R638

12

R663

4.7K

R623

4.7K

R626

3.3

R625

3.3

R601 100

R600

3.3K

R676

100

R677

100

R678

100

R602
100

R603
100

R658

12

R653

12

R621
12

R654

12

R628

4.7K

R667

4.7K

R671

3.3

R635

3.3

L605

MLB-201209-0120P-N2
0LCML00003B

120-ohm

L606

MLB-201209-0120P-N2

0LCML00003B

120-ohm

C638

33pF

50V

READY

C639
33pF
50V
READY

+3.3V_MST

R630

10K

Q603

RT1C3904-T112

E

B

C

R629

10K

MULTI_PW_SW

R627

0

READY

R624

0

READY

L608

MLB-201209-0120P-N2

L609

MLB-201209-0120P-N2

L610

MLB-201209-0120P-N2

L611

MLB-201209-0120P-N2

C612
68uF
35V

C640
68uF
35V

L607

AD-9060

EAP61008401

2S

1S

1F

2F

L603

AD-9060

EAP61008401

2S

1S

1F

2F

P600

SMAW250-H04R

1

2

3

4

R631
47K

READY

R673

0

IC600
NTP-3200L

1

BST1A

2

VDR1A

3

RESET

4

AD

5

DVSS_1

6

VSS_IO

7

CLK_I

8

VDD_IO

9

DGND_PLL

10

AGND_PLL

11

LF

12

AVDD_PLL

13

DVDD_PLL

14

TEST0/GND

15

DVSS_2

16

DVDD

17

SDATA

18

WCK

19

BCK

20

SDA

21

SCL

22

MONITOR_0

23

MONITOR_1

24

MONITOR_2

25

FAULT

26

VDR2B

27

BST2B

28

PGND2B_1

29

PGND2B_2

30

OUT2B_1

31

OUT2B_2

32

PVDD2B_1

33

PVDD2B_2

34

PVDD2A_1

35

PVDD2A_2

36

OUT2A_1

37

OUT2A_2

38

PGND2A_1

39

PGND2A_2

40

BST2A

41

VDR2A

42

NC

43

VDR1B

44

BST1B

45

PGND1B_1

46

PGND1B_2

47

OUT1B_1

48

OUT1B_2

49

PVDD1B_1

50

PVDD1B_2

51

PVDD1A_1

52

PVDD1A_2

53

OUT1A_1

54

OUT1A_2

55

PGND1A_1

56

PGND1A_2

57

[EP]GND

R605
4.7K

R617

1K

MNT_LOUT

+12V_AUDIO

R614

10K

R616
4.7K

C635

33pF
50V

C633
6800pF
50V

R606

1K

R615
6.8K

C627

33pF
50V

C628
0.01uF
50V

Q601

RT1C3904-T112

E

B

C

R613

5.6K

C622
6800pF
50V

+12V_AUDIO

MNT_ROUT

MNT_L_AMP

C631
0.1uF
16V

R609
6.8K

C620
0.1uF
16V

Q602

RT1C3904-T112

E

B

C

MNT_R_AMP

R607

10K

+12V_AUDIO

R612

5.6K

IC601

S324

AUDIO_OUT_OP AMP_AUK

2 INPUT1-

4 VCC

1 OUT1

6 INPUT2-

7 OUT2

8

OUT3

9

INPUT3-

10

11

GND

12

13

INPUT4-

14

OUT4

IC601-*1

AS324MTR-E1

AUDIO_OUT_OP AMP_BCD

3

IN1+

2

IN1-

4

VCC

1

OUT1

6

IN2-

5

IN2+

7

OUT2

8

OUT3

9

IN3-

10

IN3+

11

GND

12

IN4+

13

IN4-

14

OUT4

AUDIO

6  9

Main AMP

AMP :GAIN X 4

AUDIO_OUT OPTION BLOCK

LP91J

LK310

2010/11/22

EAX64045802

Copyright 

©

 2011 LG Electronics. Inc. All rights reserved. 

Only for training and service purposes

LGE Internal Use Only

Содержание 26LK310

Страница 1: ...RECAUTIONS IN THIS MANUAL CHASSIS LP91J MODEL 26LK310 310Y 26LK310 310Y TA MODEL 26LK311 26LK311 TB 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 MFL62461531 1104 REV01 ...

Страница 2: ... 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 SCHEMATIC CIRCUIT DIAGRAM ...

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: ...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 Remark 1 Market NON EU 2 Broadcasting system PAL SECAM B G D K PAL I II NTSC M 3 Available Channel BAND PAL NTSC China DK Australia BG VHF UHF E2 C69 2 7...

Страница 7: ...DTV 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 10 1920 1080 28 125 50 00 74 250 HDTV 1080I 50 Hz 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 No Specification Proposed Remark Resolution H ...

Страница 8: ...ication Proposed Remarks 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 00 13 514 SDTV DVD 480I 525I but display 3 720 x 576 15 625 50 00 13 500 SDTV DVD 576I 625I 50 Hz 4 720 x 480 31 47 59 94 27 SDTV 480P 5 720 x 480 31 5 60 00 27 027 SDTV 480P 6 720 x 576 31 25 50 00 27 SDTV 576P 7 1280 x 720 44 96 59 94 74 176 HDT...

Страница 9: ...d the 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 Intell...

Страница 10: ...nged the option the input menu can differ the model spec Refer to Job Expression of each main chassis assembly EBTxxxxxxxx for Option value Caution Don t Press IN STOP key after completing the function inspection 4 3 EDID Download 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...

Страница 11: ...0 80 37 00 BC 88 21 00 00 18 00 00 00 FC 00 4C 60 47 20 54 56 0A 20 20 20 20 20 20 20 00 00 00 FD 70 00 3A 3F 1C 44 0F 00 0A 20 20 20 20 20 20 00 55 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 00 FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01 10 01 15 01 03 80 46 27 78 0A D9 B0 A3 57 49 9C 25 20 11 49 4B 21 08 00 45 40 01 01 61 40 01 01 01 01 30 01 01 01 01 01 01 01 1D 00 72 51 D0 1E 20 6E 28 40 55 00 C4 8E 2...

Страница 12: ... For automatic adjustment LP91J Support RS 232C I2C Interface For ADC DDC Adjustment 1 Enter the adjustment mode of DDC Set 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 AC off on in status of Heat run pattern display 2 Release the DDC a...

Страница 13: ...e control CASE First adjust the coordinate far away from the target value x y 1 x y target i Decrease the R G 2 x y target i First decrease the B gain ii Decrease the one of the others 3 x target y target i First decrease B so make y a little more than the target ii Adjust x value by decreasing the R 4 x target y target i First decrease B so make x a little more than the target ii Adjust x value b...

Страница 14: ...bly A PROCESS Fail Fail Pass Pass Check LED Assembly Change IC1002 IC1008 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 Ca...

Страница 15: ... defect part Pass No Raster on COMMPONENT Signal Check Input source Cable And Jack Pass Re soldering or Change the defect part Check the Input Output Of IC800 Fail Pass 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 Fail Re soldering or Change t...

Страница 16: ...nput 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 JK102 Re soldering or Change the defect part Pass Fail Pass Repeat A B Process Pass Check the Input Output of IC800 Fail Re soldering or Change the defect part Pass Check The Input Output Of TU500 Re soldering or Change the...

Страница 17: ...CP 24WC08 EEP_SCL SDA EEP_SCL SDA TXCE2 TXCE3 TXCLKE TXCE1 TXCE0 TXCO1 TXCO3 TXCO2 TXCO0 TXCLKO M_SCL SDA MAIN SCLAER Matri x LGE4767A IC800 EEPROM 24C02 IC302 TU500 IC802 IC803 IC801 IC600 P402 P403 M_SCL SDA SIDE REAR HDMI3 JK303 USB JK204 RS 232C JK200 USB SVC JK205 HDMI1 JK301 HDMI2 JK302 EEPROM 24C02 IC301 EEPROM 24C02 IC300 EEPROM 24C02 IC300 DDC_SCL1 SDA1 DDC_SCL2 SDA2 DDC_SCL3 SDA3 Control...

Страница 18: ...l 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 IM...

Страница 19: ...R122 0 R123 1K Q103 RT1C3904 T112 E B C Q106 RT1C3904 T112 E B C MNT_LOUT Q104 RT1C3904 T112 E B C C102 10uF 16V MNT_ROUT R125 0 MUTE_LINE JK101 PPJ238 01 NON_AUDIO_OUT 5D GN2 O SPRING 6D GN2 E LUG 4D GN2 CONTACT 7E BL2 E LUG S 5E BL2 O SPRING 7F RD2 E LUG S 5F RD2 O SPRING_1 5G WH2 O SPRING 4H RD2 CONTACT 5H RD2 O SPRING_2 6H RD2 E LUG 6A YL1 E LUG 5A YL1 O SPRING 4A YL1 CONTACT 5B WH1 O SPRING 4...

Страница 20: ...00 120OHM OCP_READY 5V_USB R209 1K OCP_READY R210 4 7K OCP_READY R237 0 Non_OCP C210 10uF 6 3V R207 68 R208 68 C213 68pF 50V C211 68pF 50V R219 4 7K READY L201 500 C212 220uF 16V C214 100uF 16V D213 OCP_READY A AC C R238 510 OCP_READY R224 10K SIDE_AV R225 10K SIDE_AV JK200 SPG09 DB 009 1 2 3 4 5 6 7 8 9 10 JK201 PPJ235 01 SIDE_AV 4A YL O SPRING 5A YL E LUG 3A YL CONTACT 4B WH O SPRING 3C RD CONTA...

Страница 21: ...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 JK301 YKF45 7058V 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 R319 10K 5V_HDMI_3 5V_MULTI TMDS3_RX1 D...

Страница 22: ...R402 0 READY C403 470pF 50V NON_19_22INCH SUB_SCL LED_R P404 12507WR 03L 19_22INCH 1 KEY1 2 KEY2 3 GND 4 P403 FF10001 30 19_22INCH 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 5V_ 12V_LCD TXCE0 TXCE0 TXCE1 TXCE1 TXCE2 TXCE2 TXCE3 T SMALL_NC2 SMALL_NC1 SMALL_OPC_OUT SMALL_NC3 SMALL_OPC_EN SMALL_NC4 R414 0 HD_NOT AUO_IPS R418 0 OPC_ENABLE R419 0 LVDS_SEL R415 0...

Страница 23: ...H C507 82pF 50V READY C508 10uF 16V L500 120 ohm READY Q502 ISA1530AC1 E B C R502 4 7K R506 220 R507 220 C505 100uF 16V READY C506 100uF 16V READY R505 47 R504 47 C503 0 1uF 50V R500 0 R501 0 TU500 TAFJ Z001D PAL_TUNER 5 MOPLL_AS 11 VIDEO 2 NC_2 10 NC_4 4 RF_AGC 1 NC_1 9 SIF 8 NC_3 3 B 5V 7 SDA 6 SCL 12 GND 13 SHIELD TU500 1 TAFJ H001F 5 MOPLL_AS 11 VIDEO 2 NC_2 10 NC_4 4 RF_AGC 1 NC_1 9 SIF 8 NC_...

Страница 24: ... N2 L609 MLB 201209 0120P N2 L610 MLB 201209 0120P N2 L611 MLB 201209 0120P N2 C612 68uF 35V C640 68uF 35V L607 AD 9060 EAP61008401 2S 1S 1F 2F L603 AD 9060 EAP61008401 2S 1S 1F 2F P600 SMAW250 H04R 1 2 3 4 R631 47K READY R673 0 IC600 NTP 3200L 1 BST1A 2 VDR1A 3 RESET 4 AD 5 DVSS_1 6 VSS_IO 7 CLK_I 8 VDD_IO 9 DGND_PLL 10 AGND_PLL 11 LF 12 AVDD_PLL 13 DVDD_PLL 14 TEST0 GND 15 DVSS_2 16 DVDD 17 SDAT...

Страница 25: ... DDCDC_CK 94 RXCCKN 95 RXCCKP 96 DDCDC_DA 97 RXC0N 98 RXC0P 99 GND_6 100 RXC1N 101 RXC1P 102 AVDD_DM 103 RXC2N 104 RXC2P 105 HOTPLUGC 106 USB1_DM 107 USB1_DP 108 SCK 109 SDI 110 SDO 111 SCZ 112 PWM0 113 PWM1 114 PWM2 115 PWM3 116 LVA4P 117 LVA4M 118 LVA3P 119 LVA3M 120 LVACKP 121 LVACKM 122 LVA2P 123 LVA2M 124 LVA1P 125 LVA1M 126 LVA0P 127 LVA0M 128 VDDP_2 129 LVB4P 130 LVB4M 131 LVB3P 132 LVB3M 1...

Страница 26: ...16V C904 0 01uF C917 0 01uF C908 0 01uF C916 0 01uF C907 0 01uF C915 0 01uF C906 0 01uF C914 0 01uF C913 0 01uF C903 0 01uF C912 0 01uF C902 0 01uF C911 0 01uF C910 0 01uF C901 0 01uF C909 0 01uF C900 0 01uF 50V IC900 K4T51163QI HCF7 J2 VREF J8 CK H2 VSSQ_2 B7 UDQS N8 A4 P8 A8 L1 NC_4 L2 BA0 R8 NC_3 K7 RAS F8 VSSQ_3 F3 LDM P3 A9 M3 A1 N3 A5 K8 CK R3 NC_5 L3 BA1 J7 VSSDL L7 CAS F2 VSSQ_4 B3 UDM M2 ...

Страница 27: ...L_15V P_3 5V P_3 5V P_12V_SMALL_15V R1010 0 19_22INCH R1001 4 7K 26_32INCH L1010 120 ohm READY ZD1000 3 6V READY L1011 120 ohm READY ZD1001 3 6V READY C1061 100uF 16V READY C1007 0 1uF 50V 2SC3875S Q1005 26_32INCH 1 2 3 R1004 0 READY R1000 4 7K 26_32INCH R1061 4 7K R1062 100K R1066 4 7K READY R1067 100K C1052 10uF 16V 3 5V_MULTI C1071 10uF 16V C1072 0 1uF 16V R1006 100K READY R1063 12K 1 R1064 10K...

Страница 28: ......

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