LG 32LV3000 Скачать руководство пользователя страница 28 | Manualshive

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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.

R1632
10K

AV_CVBS_IN

R1689

12K

REAR_AV

R1636

12K

REC_8

SC1/COMP1_R_IN

JK1604

PPJ233-01

REAR_AV

4A

[YL]O-SPRING

5A

[YL]E-LUG

3A

[YL]CONTACT

4B

[WH]C-LUG

5C

[RD]E-LUG

4C

[RD]O-SPRING

3C

[RD]CONTACT

D1615

30V

C1646
0.1uF
16V

REAR_AV

+3.3V_Normal

JK1603

PPJ234-01

REAR_COMP2

5A

[GN]O-SPRING

6A

[GN]E-LUG

4A

[GN]CONTACT

7B

[BL]E-LUG-S

5B

[BL]O-SPRING

7C

[RD]E-LUG-S

5C

[RD]O-SPRING_1

5D

[WH]O-SPRING

4E

[RD]CONTACT

5E

[RD]O-SPRING_2

6E

[RD]E-LUG

D1624
5.6V

OPT

C1663

330pF

50V

REAR_AV

C1648
220pF
50V

OPT

D1614

30V

R1620

75

R1621

75

COMP2_R_IN

SCART1_MUTE

SC1_ID

D1613

5.6V

OPT

R1619
75

L1609

120-ohm

REAR_AV

D1619

30V

REAR_AV

SC1/COMP1_L_IN

C

R1615
1K

C1617
1000pF
50V

OPT

COMP2_DET

R1672

470K

REAR_AV

SC1/COMP1_DET

C1662
330pF
50V

REAR_AV

AV_L_IN

C

R1685
10K

REAR_AV

AV_CVBS_DET

REC_8

R1626

470K

C1616
1000pF
50V

OPT

L1610

120-ohm

REAR_AV

R1625
470K

R1666

1K

REAR_AV

5.6V

D1617

SC1_CVBS_IN

D1616

5.6V

R1612

10K

R1634

12K

R1684
10K

REAR_AV

+3.3V_Normal

D1626

5.6V

REAR_AV

R1660
10K

REAR_AV

AV_R_IN

R1654
75

REAR_AV

R1671

470K

REAR_AV

COMP2_L_IN

R1633
10K

D1612

30V

D1625

5.6V

REAR_AV

C1643
47pF
50V

REAR_AV

R1688
12K

REAR_AV

SC1_FB

ET_RXD1

/RST-PHY

ET_CRS

ET_TX_EN

ET_TXD1

ET_MDIO

ET_RXER

ET_REF_CLK

ET_RXD0

ET_MDC

ET_TXD0

TP1610

TP1611

TP1612

TP1613

TP1614

TP1615

TP1616

TP1617

TP1618

TP1619

TP1620

SCART1_Rout

DTV/MNT_VOUT

SCART1_Lout

SC_RE2

SC_RE1

L-MONO

COMPONENT2

Rear AV

ETHERNET FOR DVB_T2

REAR_JACK

20101023

17

GP2R

Copyright © 2011 LG Electronics. Inc. All rights reserved.

Only for training and service purposes

LGE Internal Use Only

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Содержание 32LV3000

Страница 1: ... READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LB01V MODEL 32LV3000 32LV3000 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 MFL62865338 1105 REV00 ...

Страница 2: ...right 2011 LG Electronics Inc All rights reserved Only for training and service purposes 2 CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 9 BLOCK DIAGRAM 14 EXPLODED VIEW 15 SCHEMATIC CIRCUIT DIAGRAM ...

Страница 3: ...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 t...

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 repla...

Страница 6: ...tment 3 Test method 1 Performance LGE TV test method followed 2 Demanded other specification Safety CE IEC specification EMC CE IEC No Item Specification Remarks 1 Market Australia NewZealand Singapore Malaysia only Analog for A ASIA Vietnam Indonesia South Africa Israel A ASIA 2 Broadcasting system 1 PAL SECAM B G D K PAL for NZ SG 2 PAL I II 3 NTSC M 4 DVB T 3 Channel Storage ATV 135EA DTV 1000E...

Страница 7: ... 1280x720 45 00 60 00 HDTV 720p 10 1920x1080 31 25 50 00 HDTV 1080i 11 1920x1080 33 75 60 00 HDTV 1080i 12 1920x1080 33 72 59 94 HDTV 1080i 13 1920x1080 56 250 50 HDTV 1080p 14 1920x1080 67 5 60 HDTV 1080p No Specification Proposed Remark Resolution H freq kHz V freq Hz Pixel Clock MHz 1 720 400 31 468 70 08 28 321 For only DOS mode 2 640 480 31 469 59 94 25 17 VESA Input 848 480 60 Hz 852 480 60 ...

Страница 8: ...08 875 SXGA HDCP FHD model 7 1920 1080 67 5 60 00 138 625 WUXGA HDCP FHD model 2 PC Mode No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed Remark 1 720 480 31 469 31 5 59 94 60 27 00 27 03 SDTV 480P 2 720 576 31 25 50 54 SDTV 576P 3 1280 720 37 500 50 74 25 HDTV 720P 4 1280 720 44 96 45 59 94 60 74 17 74 25 HDTV 720P 5 1920 1080 33 72 33 75 59 94 60 74 17 74 25 HDTV 1080I 6 1920 1080 28 ...

Страница 9: ... file Download 1 Execute ISP program Mstar ISP Utility and then click Config tab 2 Set as below and then click Auto Detect and check OK message If Error is displayed check connection between computer jig and set 3 Click Read tab and then load download file XXXX bin by clicking Read 4 Click Connect tab If Can t is displayed check connection between computer jig and set 5 Click Auto tab and set as b...

Страница 10: ... Component1 Input 480i ad 00 10 Adjust 480i Comp1 xb 00 60 RGB Input 1024 768 ad 00 10 Adjust 1024 768 RGB aa 00 90 End Adjust mode Required equipment Adjustment remote control 3 2 Function Check Check display and sound Check Input and Signal items cf work instructions 1 TV 2 AV SCART1 SCART2 CVBS 3 COMPONENT 480i 4 RGB PC 1024 x 768 60hz 5 HDMI 6 PC Audio In Display and Sound check is executed by...

Страница 11: ... it same with BOM and unplug AC cable For correct it to the model s module from factory Jig model Push the IN STOP key after completing the function inspection And Mechanical Power Switch must be set ON 4 2 DDC EDID Write RGB 128Byte Connect D sub Signal Cable to D sub Jack Write EDID Data to EEPROM 24C02 by using DDC2B protocol Check whether written EDID data is correct or not For Service main As...

Страница 12: ...or HDMI to HDMI For HDMI EDID For Analog EDID INPUT MODEL NAME HEX HDMI1 65030C001000 HDMI2 65030C002000 HDMI3 65030C003000 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 0 ff ff ff ff ff ff 0 1e 6d a b 10 c 1 3 68 10 9 78 0a ee 91 a3 54 4c 99 26 20 0f 50 54 a1 8 0 81 c0 61 40 45 40 31 40 1 1 30 1 1 1 1 1 1 1b 21 50 a0 51 0 1e 30 48 88 40 35 0 a0 5a 0 0 0 1e 1 1d 0 72 51 d0 1e 20 50 6e 28 55 0 a0 5a 0 0 0 1e 0...

Страница 13: ...ial number D L is using of scan equipment B Setting of scan equipment operated by Manufacturing Technology Group C Serial number D L must be conformed when it is produced in production line because serial number D L is mandatory by D book 4 0 Manual Download Model Name and Serial Number If the TV set is downloaded by OTA or Service man sometimes model name or serial number is initialized Not alway...

Страница 14: ...I2S SPDIF L R CVBS Y Pb Pr L R RGB H V RS232C Rear TMDS DDR3 Add DDR3 Data SPI MICOM UPD78F0514AGA GAM A X MICOM SDA MICOM SCL AV Side NAND Flash 2Gbit HY27UF082G2B TPCB PCM_A 0 7 TMDS HDMI CVBS L R DDR3 256M Hynic H5T Q1G63 BFR DDR3 256M Hynic H5TQ1G63BFR IR LED EYE Q NEC_EEPROM _SCL SDA LED_R BUZZ KEY1 KEY2 IR LED_B LG LOGO M24M01 HRMN6TP 1Mbit HDCP EEPROM CAT24WC08W T I2C MIC EEROM M24C16 WMN6T...

Страница 15: ...VIEW 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...

Страница 16: ...V4N AD22 C4P LLV5P AE22 C4M LLV5N AF22 DCKP TCON5 AD19 DCKM TCON4 AE19 D0P LLV6P AD21 D0M LLV6N AE21 D1P LLV7P AF21 D1M LLV7N AD20 D2P LLV8P AE20 D2M LLV8N AF20 D3P TCON3 AF19 D3M TCON2 AD18 D4P TCON1 AE18 D4M TCON0 AF18 GPIO0 TCON15 HSYNC VDD_ODD AB22 GPIO1 TCON14 VSYNC VDD_EVEN AB23 GPIO2 TCON7 LDE GCLK4 AC23 GPIO3 TCON6 LCK GCLK2 AC22 FRC_GPIO0 UART_RX AB16 FRC_GPIO1 AA14 FRC_GPIO3 AC15 FRC_GPI...

Страница 17: ...E1 DDCDB_DA GPIO26 D4 DDCDB_CK GPIO25 E4 HOTPLUGB GPIO20 D5 C_RXCP AA2 C_RXCN AA1 C_RX0P AB1 C_RX0N AA3 C_RX1P AB3 C_RX1N AB2 C_RX2P AC2 C_RX2N AC1 DDCDC_DA GPIO28 AB4 DDCDC_CK GPIO27 AA4 HOTPLUGC GPIO21 AC3 D_RXCP A2 D_RXCN A3 D_RX0P B3 D_RX0N A1 D_RX1P B1 D_RX1N B2 D_RX2P C2 D_RX2N C3 DDCDD_DA GPIO30 B4 DDCDD_CK GPIO29 C4 HOTPLUGD GPIO22 E5 CEC GPIO5 D6 HSYNC0 G5 VSYNC0 G6 RIN0P K1 RIN0M L3 GIN0...

Страница 18: ...L R1048 22 3 5V_ST R1019 22 R4035 4 7K NEW_SUB R4034 4 7K NEW_SUB C1008 15pF R1006 10K OPT R1011 10K TACT_KEY 3 5V_ST 3 5V_ST R1076 22 MICOM_DEBUG AMP_MUTE POWER_ON OFF1 LED_R BUZZ LED_B LG_LOGO C1006 0 1uF S7_NEC_TXD R1052 10K NEC_SCL R1018 22 R1074 10K GP3 MICOM_RESET FLMD0 R1047 20K 1 16W 1 R1041 22 R1056 22 R1037 22 NEC_ISP_Rx S T_SCL 3 5V_ST RL_ON NEC_EEPROM_SDA MICOM_RESET EDID_WP R1055 22 R...

Страница 19: ...453 0 1uF C1452 10uF 10V USB1_OCD SIDE_USB_DP C1451 22uF 16V R1459 2K 1 8W 1 5V_USB USB1_CTL R1458 2K 1 8W 1 R1455 4 7K OPT SIDE_USB_DM L1451 MLB 201209 0120P N2 120 ohm R1454 10K 3 3V_Normal R1451 47 L1451 1 CIS21J121 JK1450 3AU04S 305 ZC LG 1 2 3 4 5 IC1450 AP2191DSG EAN61849601 3 IN_2 2 IN_1 4 EN 1 GND 5 FLG 6 OUT_1 7 OUT_2 8 NC D1451 RCLAMP0502BA OPT 0 077 USB_DIODES 20101023 GP2R USB_OCP_DIOD...

Страница 20: ... DDC_SCL_2 BSS83 Q805 S B D G CEC_REMOTE_NEC DDC_SCL_4 GND HDMI_CEC CK _HDMI4 JP806 R854 68K R875 22 R835 3 3K HPD1 HPD4 D0 _HDMI1 R878 22 HDMI_CEC D0 _HDMI2 R804 1 8K R897 1K C810 0 1uF 16V C801 0 1uF 16V D0 _HDMI4 D803 AVRL161A1R1NT OPT 5V_HDMI_1 BSS83 Q806 S B D G R876 22 C805 0 1uF 16V DDC_SDA_1 R893 10K IC804 AT24C02BN SH T HDMI_SIDE_ATMEL 3 A2 2 A1 4 GND 1 A0 5 SDA 6 SCL 7 WP 8 VCC JK801 EAG...

Страница 21: ...SYNC_GND 11 GND_2 12 DDC_DATA 13 H_SYNC 14 V_SYNC 15 DDC_CLOCK 16 SHILED R1107 15K JK1103 JST1223 001 1 GND 2 VCC 3 VINPUT 4 FIX_POLE 3 3V_Normal R1135 75 HP_LOUT 002 V7 C1126 68pF 50V OPT SPDIF_OUT 002 T18 D1109 30V C1129 0 1uF 16V PC_R_IN 002 S12 R1137 75 D1101 5 6V OPT AMOTECH EDID_WP R1147 1K SIDE_HP_MUTE IC1105 AT24C02BN SH T RGB_EEMPROM_ATMEL 3 A2 2 A1 4 GND 1 A0 5 SDA 6 SCL 7 WP 8 VCC D1110...

Страница 22: ...1101 SPG09 DB 009 1 2 3 4 5 6 7 8 9 10 JP1121 IC1101 MAX3232CDR EAN41348201 3 C1 2 V 4 C2 1 C1 6 V 5 C2 7 DOUT2 8 RIN2 9 ROUT2 10 DIN2 11 DIN1 12 ROUT1 13 RIN1 14 DOUT1 15 GND 16 VCC S7_NEC_TXD D1108 30V CDS3C30GTH OPT C1102 0 1uF JP1122 C1106 0 1uF S7_NEC_RXD C1103 0 1uF C1101 0 33uF C1104 0 1uF 3 5V_ST D1107 30V CDS3C30GTH OPT R1123 100 C1105 0 1uF RS232C 20101023 GP2R RS232C_9PIN 10 Copyright 2...

Страница 23: ...00pF 50V OPT PWM_DIM C700 10uF 16V OPT RXA0 R710 10K OPT PWM_DIM RXBCK C710 0 1uF 16V WAFER_FHD RXA2 RXB2 P703 FI RE51S HF J R1500 WAFER_FHD 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 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 R707 0 LVDS_51PIN_GND R713 0 OPT R703 0 LVDS_PWM_44 RXCCK RXC4 RXD3 RXC2 RXA4 RXC2 RXDCK RXD0 RXC3 RXB4 RXC4 RXC...

Страница 24: ...4 B_DDR3_A11 DDR2_A11 A26 B_DDR3_A12 DDR2_A0 C25 B_DDR3_A13 DDR2_A7 T25 B_DDR3_BA0 DDR2_BA2 P24 B_DDR3_BA1 DDR2_CASZ C26 B_DDR3_BA2 DDR2_A5 R26 B_DDR3_MCLK DDR2_MCLK D26 B_DDR3_MCLKZ DDR2_MCLKZ D25 B_DDR3_CKE DDR2_DQ5 E24 B_DDR3_ODT DDR2_ODT N25 B_DDR3_RASZ DDR2_WEZ M26 B_DDR3_CASZ DDR2_BA1 N24 B_DDR3_WEZ DDR2_BA0 N26 B_DDR3_RESETB R25 B_DDR3_DQSL DDR2_DQS0 J25 B_DDR3_DQSLB DDR2_DQSB0 J24 B_DDR3_D...

Страница 25: ...ormal IC1401 1 W25Q80BVSSIG S_FLASH_MAIN_WINBOND 3 WP IO2 2 DO IO1 4 GND 1 CS 5 DI IO0 6 CLK 7 HOLD IO3 8 VCC R1401 0 OPT FLASH_WP SPI_SDI R1405 33 SPI_SDO SPI_SCK SPI_CS 3 3V_Normal 3 3V_Normal R1404 4 7K R1403 10K Q1401 KRC103S OPT E B C C1401 0 1uF IC1401 MX25L8006EM2I 12G S_FLASH_MAIN_MACRONIX 3 WP 2 SO SIO1 4 GND 1 CS 5 SI SIO0 6 SCLK 7 HOLD 8 VCC SFLASH_1MB 20101023 13 GP2R Copyright 2011 LG...

Страница 26: ...C5032 0 01uF 50V OPT C5035 390pF 50V AUD_MASTER_CLK C5034 10uF 35V 0 1uF C5056 50V JP5051 1 8V_AMP2 SPK_R1 R5023 4 7K C5068 1uF 25V 1 8V_AMP2 R5068 1 0 1uF C5033 50V C5069 10uF 10V R5065 12 0 1uF C5042 50V AMP_SDA R5005 33 SPK_R1 Q5050 2SC3052 E B C AMP_MUTE R5071 12 C5055 1uF 25V C5004 0 1uF 16V R5077 10K 1 16W 5 3 5V_ST 0 1uF C5008 16V C5065 22pF 50V SMD OPT C5038 390pF 50V 0 1uF C5070 50V C5067...

Страница 27: ...509 C528 10uF 35V R520 12 0 1uF C526 50V C511 10uF 10V C545 22pF 50V OPT C434 0 1uF 16V 0 1uF C538 50V SPK_L1 R503 100 C531 390pF 50V 1 8V_AMP R514 100 C522 1uF 25V 0 1uF C527 50V POWER_DET C525 22000pF 50V Q501 2SC3052 E B C D501 100V 1N4148W OPT C503 10uF 10V AUD_LRCH R508 3 3K C530 390pF 50V C534 0 47uF 50V 1 8V_AMP SPK_L2 C546 22pF 50V OPT C517 1uF 25V L502 BLM18PG121SN1D C507 18pF 50V C501 10...

Страница 28: ..._R_IN SCART1_MUTE SC1_ID D1613 5 6V OPT R1619 75 L1609 120 ohm REAR_AV D1619 30V REAR_AV SC1 COMP1_L_IN COMP2_Pr R1615 1K C1617 1000pF 50V OPT COMP2_DET R1672 470K REAR_AV SC1 COMP1_DET C1662 330pF 50V REAR_AV AV_L_IN COMP2_Pb R1685 10K REAR_AV AV_CVBS_DET REC_8 R1626 470K C1616 1000pF 50V OPT L1610 120 ohm REAR_AV R1625 470K R1666 1K REAR_AV 5 6V D1617 SC1_CVBS_IN D1616 5 6V R1612 10K R1634 12K R...

Страница 29: ... MDS62110205 GAS3 2 7 5T_GAS MDS61887708 GAS2 4 12 5T_GAS MDS62110204 GAS1 1 5 5T_GAS MDS62110204 GAS2 1 5 5T_GAS MDS61887710 GAS2 3 9 5T_GAS MDS61887710 GAS5 3 9 5T_GAS MDS61887708 GAS5 4 12 5T_GAS MDS62110206 GAS5 6 5T_GAS MDS62110205 GAS5 2 7 5T_GAS MDS62110204 GAS5 1 5 5T_GAS MDS62110209 GAS1 5 8 5T_GAS MDS62110209 GAS2 5 8 5T_GAS MDS62110209 GAS3 5 8 5T_GAS MDS62110209 GAS4 5 8 5T_GAS MDS6211...

Страница 30: ...OGO D902 5 6V CDS3C05HDMI1 NEW_SUB R2427 0 R2413 1 5K L2401 BLM18PG121SN1D C907 18pF 50V OPT R2402 100 L7600 BLM18PG121SN1D 22_Control NEC_EEPROM_SDA L2404 BLM18PG121SN1D P2401 12507WR 12L OLD_SUB 1 2 3 4 5 6 7 8 9 10 11 12 13 R2425 47K OPT LED_R BUZZ C2403 0 1uF 16V S T_SCL C2404 1000pF 50V S T_SDA KEY1 3 3V_Normal C2406 1000pF 50V P7600 12507WR 03L 22_Control 1 2 3 4 C2405 0 1uF 16V D903 5 6V CD...

Страница 31: ... UDA55AL GP3_ATSC_1INPUT_H_SANYO 14 3 3V 13 1 2V 5 AS 12 GND 11 VIDEO 2 NC_2 10 NC_3 4 NC RF_AGC 1 NC_1 17 DIF_1 9 SIF 8 NC IF_TP 3 B 5V 16 IF_AGC_CNTL 7 SDA 6 SCL 15 RESET 18 DIF_2 19 SHIELD TU3701 2 TDFR B036F FULL_NIM_BR 1 RF_S W_CNTL 2 BST_CNTL 3 B1 5V 4 NC_1 RF_AGC 5 NC_2 6 SCLT 7 SDAT 8 NC_3 9 SIF 10 NC_4 11 VIDEO 12 GND 13 B2 1 2V 14 B3 3 3V 15 RESET 16 NC_5 17 SCL 18 SDA 19 ERR 20 SYNC 21 ...

Страница 32: ... PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC V_SYNC L DIM_SCLK LED_DRIVER_D L_SCL L DIM_MOSI LED_DRIVER_D L_SDA 3D_SYNC_RF 3D_GPIO_2 DD_MREMOTE 3D_GPIO_1 M_REMOTE_RX M_RFModule_RESET DC_MREMOTE M_REMOTE_TX NON_L DIM_LED DRIVER NON_L DIM 20101023 26 GP2R NON_3D_SG Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Inter...

Страница 33: ...RC_DDR3_DQL6 DDR2_DQ3 AF5 FRC_DDR3_DQL7 DDR2_DQ5 AE12 FRC_DDR3_DQU0 DDR2_DQ8 AE10 FRC_DDR3_DQU1 DDR2_DQ14 AF7 FRC_DDR3_DQU2 DDR2_DQ13 AD11 FRC_DDR3_DQU3 DDR2_DQ12 AD7 FRC_DDR3_DQU4 DDR2_DQ15 AD10 FRC_DDR3_DQU5 DDR2_DQ9 AE7 FRC_DDR3_DQU6 DDR2_DQ10 AF10 FRC_DDR3_DQU7 DDR2_DQM1 AD8 FRC_DDR3_NC DDR2_DQM0 AE8 FRC_VSYNC_LIKE Y11 FRC_TESTPIN Y19 ACKP RLV3P RED 3 W26 ACKM RLV3N RED 2 W25 A0P RLV0P RED 9 U...

Страница 34: ... 1 PCM_D 5 PCM_A 12 FE_TS_SYNC CI_TS_DATA 5 PCM_IRQA PCM_A 2 PCM_A 4 PCM_A 10 PCM_5V_CTL PCM_CE SIDEAV_DET PCM_RST CI_TS_SYNC CI_TS_CLK CI_TS_DATA 4 FE_TS_VAL_ERR CI_TS_DATA 7 SIDEAV_CVBS_IN FE_TS_CLK CI_TS_DATA 3 PCM_A 13 PCM_A 8 R4600 0 CI_TS_VAL FE_TS_DATA 0 7 SIDEAV_L_IN PCM_A 1 CI_TS_DATA 2 PCM_D 0 7 PCM_IOWR PCM_WE CI_TS_DATA 0 CI_TS_DATA 1 PCM_A 0 PCM_A 11 PCM_WAIT PCM_OE PCM_CD PCM_A 6 PCM...

Страница 35: ... 3 AGND 2 VIN 4 FB 1 PGND 5 COMP 6 EN 7 LX_1 8 LX_2 5V_Normal C7503 2 2uF Adapter 50V R7955 10K 1 C7867 0 1uF 16V POWER_DET 3 5V_ST RL_ON C7960 0 1uF 16V C7959 0 1uF 16V PD_ 12V C7544 0 1uF 50V Adapter C476 22uF 10V R7542 22K OPT RL_ON R452 330K 1 16W 5 R7555 10K C7951 10uF 25V L7504 1 CIS21J121 Adapter_SS POWER_ON OFF2_1 C439 100pF 50V C7581 4 7uF OPT C430 10uF 10V R7556 0 C7557 0 1uF 16V R7500 1...

Страница 36: ......

Страница 37: ...LCD TV Repair Guide III 11 years New Models GP2R MSTAR Trouble Shooting Guide Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 38: ...B Power error No power 6 7 Off when on off while viewing power auto on off 7 8 C Audio error No audio Normal video 8 9 Wrecked audio discontinuation noise 9 10 D Function error No response in remote controller key error recording error memory error 10 11 External device recognition error 11 12 E Noise Circuit noise mechanical noise 12 13 F Exterior error Exterior defect 13 1 Trouble Shooting Copyr...

Страница 39: ... End Always check record S W Version and White Balance value before replacing the Main Board Replace Main Board Re enter White Balance value Precaution Established date Standard Repair Process Revised date 1 13 LCD TV Error symptom A Video error No video Normal audio A4 A1 A2 A28 A7 A3 First of all Check whether all of cables between board is inserted properly or not Main B D Power B D LVDS Cable ...

Страница 40: ... and replace MAIN B D Y Replace Power Board and repair parts N End Standard Repair Process A Video error No video No audio A4 Established date Revised date 2 13 LCD TV Error symptom 2 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 41: ...eck Tuner soldering Normal Picture Y N Y Close Close By using Digital signal level meter By using Diagnostics menu on OSD Menu Setup Manual Tuning Signal strength Normal over 30 Signal Quality Normal over 30 Normal Picture Y Contact with signal distributor or broadcaster Cable or Air N Normal Picture Y Close N Standard Repair Process Established date Revised date 3 13 LCD TV Error symptom 3 N Norm...

Страница 42: ...external device and cable Y External device Cable normal RGB HDMI DVI error Check external device and cable Replace Main B D Replace Main B D N N A Video error Color error N Y End Replace module Request repair for external device cable Color error Check Test pattern Standard Repair Process Established date Revised date 4 13 LCD TV Error symptom 4 Copyright 2011 LG Electronics Inc All rights reserv...

Страница 43: ... and HDMI DVI by connecting Jig pattern Generator Set top Box etc N Y Replace Main B D Screen normal Check screen condition by input External Input Component RGB HDMI DVI Request repair for external device Component error RGB error HDMI DVI Connect other external device and cable Check normal operation of External Input Component RGB and HDMI DVI by connecting Jig pattern Generator Set top Box etc...

Страница 44: ...e of each output of Power B D N Y Normal voltage Replace Main B D N Y OK Replace Main B D N Y Normal Check ST BY 3 5V Replace Power B D N Y Normal voltage Replace Power B D Y A17 A18 A19 A4 Standard Repair Process Established date Revised date 6 13 LCD TV Error symptom 6 Stand By Red Operating white Close Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes ...

Страница 45: ...EY Power off by REMOTE CONTROL POWEROFF_OFFTIMER Power off by OFF TIMER POWEROFF_SLEEPTIMER Power off by SLEEP TIMER POWEROFF_INSTOP Power off by INSTOP KEY POWEROFF_AUTOOFF Power off by AUTO OFF POWEROFF_ONTIMER Power off by ON TIMER POWEROFF_RS232C Power off by RS232C POWEROFF_RESREC Power off by Reservated Record POWEROFF_RECEND Power off by End of Recording POWEROFF_SWDOWN Power off by S W Dow...

Страница 46: ...ard and repair parts Check Speaker disconnection N Y Replace Speaker Replace MAIN Board End C Audio error No audio Normal video A24 A25 Disconnection Established date Revised date 8 13 LCD TV Error symptom Standard Repair Process 8 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 47: ...ect and check other external device N Y Normal audio Check and fix external device Replace Power B D N Y Normal voltage Check input signal RF External Input signal Signal normal When RF signal is not received Request repair to external cable ANT provider Y Check audio B Voltage 20V or 24V Replace Main B D In case of External Input signal error Check and fix external device Replace Main B D N End E...

Страница 48: ...place Baterry of R C Check Repair Cable connection Connector solder Normal operating Check 3 5V On Main B D A27 Normal Voltage Close N N Check 3 5v on Power B D Replace Power B D or Replace Main B D Power B D don t have problem A4 Check IR Output signal Normal Signal N Y Repair Replace IR B D N A27 Replace Main B D Y A27 Standard Repair Process Established date Revised date 10 13 LCD TV Error symp...

Страница 49: ...rnal device cable RGB HDMI DVI Optical Recognition error Replace Main B D Replace Main B D Fix in accordance with technical information D Function error External device recognition error Established date Revised date 11 13 LCD TV Error symptom Standard Repair Process 11 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 50: ...ceed as shown in the solution manual For models without any fix information provide the description OR Mechanical noise is a natural phenomenon and apply the 1st level description When the customer does not agree apply the process by stage Describe the basis of the description in Part related to nose in the Owner s Manual E Noise Circuit noise mechanical noise Established date Revised date 12 13 L...

Страница 51: ...remote controller Remote controller damage Stand dent Replace stand F Exterior defect Exterior defect Established date Revised date 13 13 LCD TV Error symptom Standard Repair Process 13 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 52: ...r error LCD TV connection diagram A8 8 Tuner Checking Part A9 9 Check Link Cable LVDS reconnection condition A10 10 Adjustment Test pattern ADJ Key A12 11 A Video error_Vertical Horizontal bar residual image light spot LCD TV connection diagram A8 12 Check Link Cable LVDS reconnection condition A10 13 Adjustment Test pattern ADJ Key A12 14 Appendix Defected Type caused by T Con Inverter Module Exc...

Страница 53: ...hen on off while viewing POWER BOARD PIN voltage checking method A19 23 C Audio error_No audio Normal video Checking method in menu when there is no audio A24 24 Voltage and speaker checking method when there is no audio A25 25 C Audio error_Wrecked audio discontinuation Voltage and speaker checking method in case of audio error A25 26 D Function error_ No response in remote controller key error R...

Страница 54: ...ht with naked eye A Video error_No video Normal audio After turning on the power and disassembling the case check with the naked eye whether you can see light from 4 locations ALL MODELS LCD TV A1 2011 01 20 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 55: ...date Revised date Error symptom Content LCD TV A2 1 P203 1 5 24V 6 10 GND 11 NC 12 Inverter ON 13 PWM Dim 1 14 NC P202 1 5 24V 6 10 GND 11 NC 12 NC 2011 01 20 Edge LED PSU LED Driver Type Check the DC 24V and Inverter on Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 56: ...A Video error_No video Normal audio A2 Established date Revised date Error symptom Content LCD TV A2 1 Check the DC 24V and Inverter on 2011 01 20 Edge LED LAMP PSU Type Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 57: ...l Medium Warm re enter the value after replacing the MAIN BOARD Standard Repair Process Detail Technical Manual Check White Balance value A Video error_No video Normal audio ALL MODELS A3 Established date Revised date Error symptom Content LCD TV A3 2011 1 19 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 58: ...4V 12V 3 5V Edge LED 2011 1 19 24pin Pin layout 1 Power on 2 20V 24V 3 20V 24V 4 20V 24V 5 GND 6 GND 7 GND 8 GND 9 3 5V 10 3 5V 11 3 5V 12 3 5V 13 GND 14 GND 15 GND 16 NC 17 12V 18 Inverter ON 19 12V 20 NC 21 12V 22 PWM Dim 1 23 NC Lamp SCANNING 모델 PWM Dim 2 24 Error out Lamp PSU LIPS Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only...

Страница 59: ...g method A Video error_No video Audio A4 Established date Revised date Error symptom Content LCD TV A4 1 2011 1 19 LAMP LIPS Only 22LK33 Check the DC 15V 3 3V 3 5V Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 60: ...tc Standard Repair Process Detail Technical Manual TUNER input signal strength checking method A Video error_Video error video lag stop ALL MODELS A6 Established date Revised date Error symptom Content LCD TV A6 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 61: ...top 1 Checking method for remote controller for adjustment Press the IN START with the remote controller for adjustment Version ALL MODELS A7 Established date Revised date Error symptom Content LCD TV A7 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 62: ...ection diagram 1 A Video error _Vertical Horizontal bar residual image light spot A8 Established date Revised date Error symptom Content LCD TV A8 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 63: ...m power supply finally replace the MAIN BOARD Standard Repair Process Detail Technical Manual TUNER checking part A Video error_Video error video lag stop ALL MODELS A9 Established date Revised date Error symptom Content LCD TV A9 2010 2 19 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 64: ...Video error_Color error Check the contact condition of the Link Cable especially dust or mis insertion A10 Established date Revised date Error symptom Content LCD TV A10 1 2011 01 20 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 65: ...erns using the ADJ Key Checking item 1 Defective pixel 2 Residual image 3 MODULE error ADD BAR SCAN BAR 4 Video error Classification of MODULE or Main B D A12 Established date Revised date Error symptom Content LCD TV A12 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 66: ...older defect CNT Broken Solder defect CNT Broken Solder defect CNT Broken Abnormal Power Section Solder defect Short Crack Abnormal Power Section Solder defect Short Crack Appendix Exchange T Con Board 1 A 1 5 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 67: ...r Section Solder defect Short Crack Fuse Open Abnormal power section Noise GRADATION GRADATION Abnormal Display Appendix Exchange T Con Board 2 A 2 5 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 68: ...dix Exchange PSU LED driver No Light Dim Light Dim Light Dim Light No picture Sound Ok A 3 5 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 69: ...ss damage Crosstalk Crosstalk Press damage Panel Mura Light leakage Press damage A 4 5 Un repairable Cases In this case please exchange the module Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 70: ...k Source TAB IC Defect Horizontal Block Gate TAB IC Defect Horizontal line Gate TAB IC Defect Gate TAB IC Defect Horizontal Block Gate TAB IC Defect Appendix Exchange the Module 2 A 5 5 Un repairable Cases In this case please exchange the module Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 71: ...Established date Revised date Error symptom Content LCD TV A17 ST BY condition Red Power ON condition white Front LED control Menu Æ Option Æ Power Indicator Æ Standby light ON 2011 01 20 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 72: ... by status DC OFF only 3 5V output is normally on 2011 1 20 Pin layout 24P 1 Power on 2 24V 20V Edge 32 37 Only 3 20 24V 4 20 24V 5 GND 6 GND 7 GND 8 GND 9 3 5V 10 3 5V 11 3 5V 12 3 5V 13 GND 14 GND 15 GND 16 PSU GND LPB NC 17 12V 18 Inverter ON 19 12V 20 LED NC 21 12V 22 PWM Dim 1 23 NC Lamp Scanning Model PWM Dim 2 24 Error out A19 Edge LED LPB PSU LED Driver LAMP Edge LED PSU Edge LED 32 37 PSU...

Страница 73: ... 12 3 5V 13 GND 14 GND 15 GND 16 PSU GND LPB NC 17 12V 18 Inverter ON 19 12V 20 LED NC 21 12V 22 PWM Dim 1 23 NC Lamp Scanning Model PWM Dim 2 24 Error out 2011 1 20 There are several wafers on power board Don t get confused about 24P power out wafer You can refer to not only left pictures and P201 silk print near by wafer A18 A19 Edge LED LPB PSU LED Driver LAMP Edge LED PSU Edge LED 32 37 PSU Co...

Страница 74: ... 3 Standard Repair Process Detail Technical Manual POWER OFF MODE checking method B Power error _Off when on off whiling viewing ALL MODELS A22 Established date Revised date Error symptom Content LCD TV A22 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 75: ...ff to On Standard Repair Process Detail Technical Manual Checking method in menu when there is no audio C Audio error_No audio Normal video ALL MODELS A24 Established date Revised date Error symptom Content LCD TV A24 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 76: ...3 Check signal input to the Audio amp IC Such as below MCLK master clock 12 288 MHz RESET normal status is high VDD Power LRCLK 48KHz SCLK 3 072MHz Standard Repair Process Detail Technical Manual Voltage and speaker checking method when there is no audio C Audio error_No audio Normal video ALL MODELS A25 Established date Revised date Error symptom Content LCD TV A25 2011 01 18 Audio Amp IC Copyrig...

Страница 77: ...hecking method D Function error_ No response in remote controller key error ALL MODELS A27 Established date Revised date Error symptom Content LCD TV A27 1 2 P2402 1 SCL 2 SDA 3 GND 4 KEY1 5 KEY2 6 St 3 3V 7 GND 8 LED_B 9 IR 10 GND 11 Normal 3 3V 12 LED_R 13 GND 14 S T_SCL 15 S T_SDA 3 4 2010 2 19 P2401 1 SCL 2 SDA 3 GND 4 KEY1 5 KEY2 6 St 3 3V 7 GND 8 LED_B 9 IR 10 GND 11 Normal 3 3V 12 LED_R LV3...

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