background image

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.

DDR2_A[0]

DDR2_A[12]

DDR2_A[11]

DDR2_A[1]

DDR2_A[2]

DDR2_A[3]

DDR2_A[4]

DDR2_A[5]

DDR2_A[6]

DDR2_A[7]

DDR2_A[8]

DDR2_A[9]

DDR2_A[10]

DDR2_D[0-15]

DDR2_D[0]

DDR2_D[1]

DDR2_D[2]

DDR2_D[3]

DDR2_D[4]

DDR2_D[5]

DDR2_D[6]

DDR2_D[7]

DDR2_D[8]

DDR2_D[9]

DDR2_D[10]

DDR2_D[11]

DDR2_D[12]

DDR2_D[13]

DDR2_D[14]

DDR2_D[15]

+1.8V_DDR

DDR2_A[0-12]

DDR2_BA0

DDR2_BA1

DDR2_MCLK
DDR2_MCLKZ
DDR2_CKE

DDR2_ODT

DDR2_RASZ
DDR2_CASZ
DDR2_WEZ

DDR2_DQS0P
DDR2_DQS1P

DDR2_DQM0
DDR2_DQM1

DDR2_DQS0M
DDR2_DQS1M

+1.8V_DDR

+1.8V_DDR

DDR2_D[0-15]

V_REF

R900

56

R901

56

R902

56

R903

56

R904

56

R905

56

+1.8V_DDR

R906

150

READY

V_REF

C919
10uF
10V

R907

1K

R908

1K

C905
1000pF

C918
0.1uF

C920
2.2uF
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

A10/AP

K2

CKE

R7

NC_6

M7

A2

N7

A6

M8

A0

J1

VDDL

K3

WE

E8

LDQS

P7

A11

K9

ODT

A2

NC_1

N2

A3

P2

A7

H8

VSSQ_1

F7

LDQS

A8

UDQS

R2

A12

L8

CS

E2

NC_2

E7

VSSQ_5

D8

VSSQ_6

D2

VSSQ_7

A7

VSSQ_8

B8

VSSQ_9

B2

VSSQ_10

P9

VSS_1

N1

VSS_2

J3

VSS_3

E3

VSS_4

A3

VSS_5

G9

VDDQ_1

G7

VDDQ_2

G3

VDDQ_3

G1

VDDQ_4

E9

VDDQ_5

C9

VDDQ_6

C7

VDDQ_7

C3

VDDQ_8

C1

VDDQ_9

A9

VDDQ_10

R1

VDD_1

M9

VDD_2

J9

VDD_3

E1

VDD_4

A1

VDD_5

B9

DQ15

B1

DQ14

D9

DQ13

D1

DQ12

D3

DQ11

D7

DQ10

C2

DQ9

C8

DQ8

F9

DQ7

F1

DQ6

H9

DQ5

H1

DQ4

H3

DQ3

H7

DQ2

G2

DQ1

G8

DQ0

DDR2

DDR2

8  9

DDR2 MEMORY

Close to DDR2 IC

Close to DDR2 IC

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: ......

Отзывы: