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LG 32LW4500 Service Manual

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LG 32LW4500 Service Manual

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LG PLASMA TV
42pt350r-Td

LG TV Service
Manual

Service Manual
LG LED 32LE5500.

Samsung LCD
A55x Service

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2. Digital TV Video

Check RF Cable & Signal

Check Tuner 3.3V Power

L3703

Replace L3703

Check Tuner 5V Power

L3702

Check IC406,IC410

Replace IC406,IC410

Replace L3702

Содержание 32LW4500

Страница 1: ... LG TV Service Manual Service Manual LG LED 32LE5500 Samsung A55x Serv LED LCD TV LED LCD TV SERVICE MANUAL SERVICE MANUAL N No or rt th h L La at ti in n A Am me er ri ic ca a h ht tt tp p a aic ic l lg gs s E Eu ur ro op pe e A Af fr ri ic ca a h ht tt tp p e ei ic c l lg gs s A As si ia a O Oc ce ea an ni ia a h ht tt tp p b bi iz z l lg gs s Internal Use Internal Use ...

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Страница 3: ...Manual Uploaded by KAZIMALI25 LG 32LW4500 Service Manual Full description Save Embed Print RELATED TITLES 2 8K views 4 0 Share LG PLASMA TV 42pt350r Td LG TV Service Manual Service Manual LG LED 32LE5500 Samsung A55x Serv ...

Страница 4: ... Print RELATED TITLES 2 8K views 4 0 Share LG PLASMA TV 42pt350r Td LG TV Service Manual Service Manual LG LED 32LE5500 Samsung A55x Serv CONTENTS CONTENTS CONTENTS CONTENTS 2 2 SAFETY P SAFETY PRECAUTIONS RECAUTIONS 3 3 SPECIFICA SPECIFICATION TION 6 6 ADJUSTMENT ADJUSTMENT INSTRUCTION INSTRUCTION 10 10 ...

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Страница 6: ... without permission of manufacturer General Guidance General Guidance An An isolation Transformer should always be used isolation Transformer should always be used during the during the servicing of a receiver whose chassis is not isolated from the AC servicing of a receiver whose chassis is not isolated from the AC power line Use a transformer of adequate power rating as this power line Use a tra...

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Страница 8: ...test substitute in parall tute in parallel with an ele el with an electrolytic ctrolytic capacitor in the receiver capacitor in the receiver CAUTION CAUTION A wrong part substitution or incorrect polarity A wrong part substitution or incorrect polarity unit under test unit under test 2 After removing an electrical assembly equipp 2 After removing an electrical assembly equipp devices place the ass...

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Страница 10: ...ent IC in the circuit cement IC in the circuit board board 2 Carefully bend each IC lead against the circuit foil pad and 2 Carefully bend each IC lead against the circuit foil pad and solder it solder it 3 3 Clean the soldered areas wi Clean the soldered areas with a small wire bristle brus th a small wire bristle brush h Circuit Board Foil Repair Circuit Board Foil Repair Excessive heat applied ...

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Страница 12: ...t for Test Each part is tested as below without special appointment 1 Temperature 25 ºC 5 ºC 2 Relative Humidity 65 10 3 Power Voltage Standard input voltage 100 240V 50 60Hz Standard Voltage of each product 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 ...

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Страница 14: ...on Remark 1 Receivable System 1 ATSC NTSC M 2 Available Channel 1 VHF 02 13 2 UHF 14 69 3 DTV 07 69 4 CATV 01 135 3 Input Voltage 1 AC 100 240V 50 60Hz 4 Market Central and South AMERICA 5 Screen Size 26 inch Wide 1366 x 768 26LK330 32 inch Wide 1366 x 768 32LV2500 32LK330 32 inch Wide 1920 x 1080 32LV4500 32LV3500 32LV3400 32LK450 32L 37 inch Wide 1920 x 1080 37LV3500 37LK450 42 inch Wide 1920 x ...

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Страница 16: ...eq kHz Pixel clock Propose 1 720 576 15 625 50 000 13 5 SDTV 576I 2 720 480 15 73 60 13 5135 SDTV DVD 480I 3 720 480 15 73 59 94 13 5 SDTV DVD 480I 4 720 480 31 50 60 27 027 SDTV 480P 5 720 480 31 47 59 94 27 0 SDTV 480P 6 720 576 31 250 50 000 27 000 SDTV 576P 7 1280 720 37 500 50 000 74 25 HDTV 720P 8 1280 720 45 00 60 00 74 25 HDTV 720P 9 1280 720 44 96 59 94 74 176 HDTV 720P 10 1920 1080 28 12...

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Страница 18: ...C DTV No Resolution H freq kHz V freq kHz Pixel clock Propose PC D 1 640 350 31 468 70 09 25 17 EGA 2 720 400 31 469 70 08 28 32 DOS 3 640 480 31 469 59 94 25 17 VESA VGA 4 800 600 37 879 60 31 40 00 VESA SVGA 5 1024 768 48 363 60 00 65 00 VESA XGA 6 1360 768 47 712 60 015 85 50 VESA WXGA 7 1280 1024 63 981 60 020 108 00 VESA SXGA 8 1920 1080 67 500 60 000 148 50 HDTV 1080P DTV 1 720 480 31 469 59...

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Страница 20: ...nt is according to the order which is designated and which must be followed according to the plan which can be changed only on agreeing 2 Power Adjustment Free Voltage 3 Magnetic Field Condition Nil 4 Input signal Unit Product Specification Standard 5 Reserve after operation Above 5 Minutes Heat Run Temperature at 25 ºC 5 ºC Relative humidity 65 10 Input voltage 100 220 V 50 60 Hz 6 Adjustment equ...

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Страница 22: ...tomatically 6 If your TV is turned on check your updated version and Tool option explain the Tool option next stage If downloading version is more high than your TV have TV can lost all channel data In this case you have to channel recover if all channel data is cleared you didn t have a DTV ATV test on production line 3 1 ADC Process 1 ADC Enter Service Mode by pushing ADJ key Enter Internal ADC ...

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Страница 24: ...y of adjust remote control Connecting picture of the measuring instrument On Automatic control Inside PATTERN is used when W B is controlled Connect to Caution Color Temperature COOL Medium Warm One of R Gain G Gain B Gain should be kept on adjust other two lower than C0 when R G B Gain are all C0 it is the FULL Dyn of Module Manual W B process using adjusts Remo After enter Service Mode by pushin...

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Страница 26: ...nual Service Manual LG LED 32LE5500 Samsung A55x Serv 4 5 Auto Download 1 Press Adj key on the Adj Remote control 2 Select EDID D L menu 3 By pressing Enter key EDID download will begin 4 If Download is successful OK is display but If Download if failure NG is displayed 5 If Download is failure Re try downloads 1 FHD RGB EDID data Check sum 1C 2 FHD HDMI EDID data HDMI 1 Check sum E2 99 ...

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Страница 28: ...D 4 HD HDMI EDID data HDMI 1 Check sum B4 65 Model List 4 5 Outgoing condition Configurati When pressing IN STOP key by SVC remocon are blinked alternatively And then Automatically Must not AC power OFF during blinking 4 6 Hi pot Test Confirm whether is normal or not when betw board s ac block and GND is impacted on 1 5 HD CCFL FHD CCFL HD LED FHD Small LED 32LK330 SB 32LK450 SA 19LV2500 SA 37LK45...

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Страница 30: ...v 4 0 0 7 1 0 7 0 0 EXPLODED VIEW Many electrical and mechanical parts in this chassis have special safety related charac 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 c recommended in this manual to prevent X RADIATION Shock Fire or other Hazards Do not modify the original design without permissi...

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Страница 32: ...Manual Uploaded by KAZIMALI25 LG 32LW4500 Service Manual Full description Save Embed Print RELATED TITLES 2 8K views 4 0 Share LG PLASMA TV 42pt350r Td LG TV Service Manual Service Manual LG LED 32LE5500 Samsung A55x Serv ...

Страница 33: ...R229 FRC_LPLL SC1 COMP1_L_IN 2 5V_Normal BLM18PG121SN1D FRC L214 TU_SDA AVDD2P5 DEMOD_SCL 0 1 u F C 4 0 0 2 0 1 u F C4015 OPT CK _HDMI1 MIU0VDDC 2 2 u F C237 0 1 u F C257 1 0 u F C 2 8 4 COMP2_L_IN LNA2_CTL 100 R204 OPT 3 3V_Normal 1 26V_VDDC TP204 DDC_SCL_1 0 047uF C205 AVDD25_PGA 47 R4002 100 R203RF_SW_OPT 2 2 u F C236 1 0 u F C 2 2 8 0 1 u F C4064 VDD33 AMP_SDA SIDEAV_R_IN 2 2 u F C243 1 K R 2 ...

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Страница 35: ..._MCLK AD13 FRC_DDR3_CKE DDR2_RASZ AE14 FRC_DDR3_MCLKZ DDR2_MCLKZ AE13 FRC_DDR3_ODT DDR2_BA1 AE4 FRC_DDR3_RASZ DDR2_WEZ AD5 FRC_DDR3_CASZ DDR2_CKE AF4 FRC_DDR3_WEZ DDR2_BA0 AD4 FRC_DDR3_RESETB DDR2_A3 AE2 FRC_DDR3_DQSL DDR2_DQS0 AF8 FRC_DDR3_DQSLB DDR2_DQSB0 AD9 FRC_DDR3_DQSU DDR2_DQS1 AE9 FRC_DDR3_DQSUB DDR2_DQSB1 AF9 FRC_DDR3_DML DDR2_DQ7 AE11 FRC_DDR3_DMU DDR2_DQ11 AF6 FRC_DDR3_DQL0 DDR2_DQ6 AE6...

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Страница 37: ... R453 3 5V_ST 12V 15V TP5303 2SC3052 Q407 E B C MLB 201209 0120P N2 L407 3 3V_Normal 100 POWER_20_ERROR_OUT R437 0 POWER_18_A_DIM R451 3 5V_ST 10K R421 10uF 10V C403 100uF 16V C402 FM20020 24 P404 NORMAL_32 19 14 9 4 18 13 8 3 17 12 7 2 16 11 6 1 20 15 10 5 21 22 23 24 25 10uF 16V OPT C442 100 POWER_24_INV_CTL R425 0 POWER_22_PWM_DIM R471 68uF 35V C426 0 01uF 25V C436 0 01uF 0 P O W E R _ 1 6 _ G ...

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Страница 39: ...R1 11 P70 KR0 12 P32 INTP3 OCD1B 1 3 N T P 2 O C D 1 A 1 4 P 3 0 I N T P 1 1 5 1 7 T I 5 0 T O 5 0 1 6 T O H 1 I N T P 5 1 7 P 1 5 T O H 0 1 8 P 1 4 R X D 6 1 9 P 1 3 T X D 6 2 0 P 1 2 S O 1 0 2 1 1 S L 1 0 R X D 0 2 2 S C K 1 0 T X D 0 2 3 A V R E F 2 4 A V S S 25 ANI7 P27 26 ANI6 P26 27 ANI5 P25 28 ANI4 P24 29 ANI3 P23 30 ANI2 P22 31 ANI1 P21 32 P20 ANI0 33 P130 34 P01 TI010 TO00 35 P00 TI000 36...

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Страница 41: ...2414 BLM18PG121SN1D L2401 KEY1 3 3V_Normal JP2410 10K R2416 OPT 10K 1 R2405 NEC_EEPROM_SCL AMOTECH 5 6V D2402 100 R2411 EYEQ TOUCH_KEY IR 0 1 u F C2401 100 R2412 EYEQ TOUCH_KEY JP2409 1000pF 50V C2406 47K R2425 OPT 3 5V_ST 2SC3052 Q2405 OPT E B C 0 1 u F 16V C2410 OPT 0 1 u F 16V C2405 100pF 50V C2407 BLM18PG121SN1D L2403 10K 1 R2404 10K R2430 OPT 1 5K R2413 JP2408 1000pF 50V C2404 JP2411 AMOTECH ...

Страница 42: ...53 10uF 10V C1452 USB1_OCD SIDE_USB_DP 22uF 16V C1451 1 8W 2K 1 R1459 CDS3C05HDMI1 5 6V OPT D1451 5V_USB USB1_CTL 1 8W 2K 1 R1458 4 7K OPT R1455 SIDE_USB_DM MLB 201209 0120P N2 120 ohm L1451 CDS3C05HDMI1 5 6V OPT D1452 10K R1454 3 3V_Normal 47 R1451 CIS21J121 L1451 1 U S B D O W N ST R E A M 3 A U 0 4 S 3 0 5 Z C L G J K 1 4 5 0 1 2 3 4 5 AP2191DSG EAN61849601 IC1450 3 IN_2 2 IN_1 4 EN 1 GND 5 FLG...

Страница 43: ...3 A2 2 A1 4 GND 1 A0 0 1uF 16V C802 1 8K R837 E A G 5 9 0 2 3 3 0 2 JK802 H D M I _ 1 14 13 5 D1_GND 20 SHIELD 12 11 2 D2_GND 19 18 10 CK 4 D1 1 D2 17 9 D0 8 D0_GND 3 D2 16 7 D0 6 D1 15 D 8 0 2 O P T DDC_SCL_2 HDMI_CEC JP806 3 3 K R 8 3 5 HPD1 HPD4 D0 _HDMI1 1 8K R804 1K R897 0 1uF 16V C801 5V_HDMI_1 AT24C02BN SH T IC804 HDMI_SIDE_ATMEL 3 A2 2 A1 1 A0 20 SHIELD 19 18 17 16 15 CK _HDMI1 1K R896 3 3...

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Страница 45: ...b e r O p t i c J S T 1 2 2 3 0 0 1 J K 1 1 0 3 1 GND 2 VCC 3 VINPUT 4 F I X _ P O L E 3 3V_Normal 1K R1155 HP_LOUT 002 V7 68pF 50V OPT C1126 10uF 16V C1119 SPDIF_OUT 002 T18 30V D1109 PC_R_IN 002 S12 3 3K R1129 3 3V_Normal AMOTECH 5 6V OPT D1101 SIDE_HP_MUTE AT24C02BN SH T IC1105 R G B _ E E M P R O M _ A T M E L 3 A2 2 A1 4 GND 1 A0 5 SDA 6 SCL 7 WP 8 VCC MMBT3904 F Q1101 E B C KJA PH 0 0177 JK3...

Страница 46: ...l LG LED 32LE5500 Samsung A55x Serv 100 R1124 SPG09 DB 009 JK1101 1 2 3 4 5 6 7 8 9 10 JP1121 EAN41348201 MAX3232CDR IC1101 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 CDS3C30GTH 30V D1108 OPT 0 1uF C1102 JP1122 0 1uF C1106 S7_NEC_RXD 0 1uF C1103 0 33uF C1101 0 1uF C1104 3 5V_ST CDS3C30GTH 30V D1107 OPT 100 R1123 0 1uF C1105...

Страница 47: ...T RXD3 RXA4 10K OPT R711 RXA0 10K BIT_SEL_LOW R709 RXA3 RXB3 3 3V_Normal RXBCK RXB1 0 1 u F 16V HD C703 RXCCK 1000pF 50V C709 OPT TP722 RXC1 RXC0 PWM_DIM 10uF 16V OPT C700 RXD1 RXA0 RXC1 RXBCK 0 1 u F 16V C710 WAFER_FHD RXA2 RXB2 RXD2 FF10001 30 P705 HD 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 RXD1 FI RE51S HF J R1500 P703 WAFER_FHD 1 2 3 4 5 6 7 8 9 10 1...

Страница 48: ...VREFCA 22 R1212 0 1 u F C 1 2 2 7 A TMA1 A MA1 A MA2 A MBA0 A TMA7 B MCASB 22 R1217 A TMBA1 A TMCKB B TMDQL3 B TMA12 A MDQSU B TMA6 A MA11 B TMBA0 B TMDQL1 22 R1211 A TMDQSU A TMA13 B MBA2 A MA9 B TMA3 B MBA2 B M W E B 240 1 R1226 A TMA2 A MA5 A MDQSLB A TMBA1 A TMA0 B MA7 A TMA12 A MDQSU B TMA5 A MODT A MDQSL B TMA2 0 1 u F C 1 2 1 5 56 1 R1213 0 01uF 25V C1209 56 AR1219 B MBA1 1 5V_DDR 0 1 u F C...

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Страница 50: ... LG LED 32LE5500 Samsung A55x Serv 3 3V_Normal W25Q80BVSSIG IC1401 1 S_FLASH_MAIN_WINBOND 3 WP IO2 2 DO IO1 4 GND 1 CS 5 DI IO0 6 CLK 7 HOLD IO3 8 VCC 0 OPT R1401 FLAS H_WP SPI_SDI 33 R1405 SPI_SDO SPI_SCK SPI_CS 3 3V_Normal 3 3V_Normal 4 7 K R 1 4 0 4 1 0 K R 1 4 0 3 KRC103S Q1401 OPT E B C 0 1 u F C1401 MX25L8006EM2I 12G IC1401 S_FLASH_MAIN_MACRONIX 3 WP 2 SO SIO1 4 GND 1 CS 5 SI SIO0 6 SCLK 7 H...

Страница 51: ...12 GND 11 VIDEO 2 BST_CNTL 10 NC 4 NC RF_AGC 1 ANT_PWR OPT 17 DIF_1 9 SIF 8 NC IF_TP 3 B 16 IF_AGC_CNTL 7 SDA 6 SCL 15 RESET 18 DIF_2 SHIELD 19 0 1 u F 16V C3701 TU_SDA 22pF 50V FULL_NIM C3714 DEMOD_SCL 0 OPT R3762 0 1 u F 16V C3708 100 FULL_NIM R3701 IF_AGC_SEL 0 1 u F 16V C3706 AZ1117BH ADJT HALF_NIM_1 2V_ INPUT GP3_ATSC_1INPUT_H_SANYO 10uF 6 3V C3739 CN TDFR C036D CN_2INPUT_H_LG3911 TU3701 1 RF...

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Страница 53: ...90pF 50V C5035 W O O F E R AUD_MASTER_CLK 10uF 35V C5034 W O O F E R 0 1 u F 50V C5056 W O O F E R 1 8V_AMP2 4 7K R5023 W O O F E R 1uF 25V C5068 W O O F E R 1 8V_AMP2 1 R 5 0 6 8 W O O F E R 0 1 u F 50V C5033 W O O F E R 10uF 10V C5069 W O O F E R 12 R5065 W O O F E R 0 1 u F 50V C5042 W O O F E R AMP_SDA 33 R5005 WOOFER 12 R5071 WOOFER 1uF 25V C5055 WOOFER 0 1 u F 16V C5004 W O O F E R 1 1 6 W 1...

Страница 54: ...520 0 1 u F 50V C526 10uF 10V C511 OPT 22pF 50V OPT C545 0 1 u F 16V C434 0 1 u F 50V C538 100 R503 390pF 50V C531 1 8V_AMP 100 R514 1uF 25V C522 0 1 u F 50V C527 POWER_DET 22000pF 50V C525 C 1N4148W 100V OPT D501 10uF 10V C503 OPT AUD_LRCH 3 3K R508 390pF 50V C530 0 47uF 50V C534 1 8V_AMP 22pF 50V OPT C546 1uF 25V C517 B L M 1 8 P G 1 2 1 S N 1 D L502 18pF 50V C507 10uF 10V C501 OPT 22000pF 50V C...

Страница 55: ...TER 30V OPT D1603 75 R1619 DTV MNT_VOUT 0 1 u F 16V C1607 120 ohm L1609 REAR_AV 3 3V_Normal 30V REAR_AV D1619 2SC3052 EU_OPT Q1602 E B C COMP2_Pr 1K R1615 12V 15V 1000pF 50V C1617 OPT 0 1 u F 50V EU_OPT C1625 COMP2_DET 470K R1672 REAR_AV SC1 COMP1_DET 330pF 50V C1662 REAR_AV AV_L_IN COMP2_Pb 30V OPT D1602 47uF 16V EU_OPT C1621 0 EU_OPT R4210 100uF 16V EU_OPT C1620 10K R1685 REAR_AV AV_CVBS_DET 470...

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Страница 57: ...L O SPRING 5A YL E LUG 3A YL CONTACT 4B WH O SPRING 3C RD CONTACT 4C RD O SPRING 5C RD E LUG 10K SIDE_CVBS R9914 100pF 50V SIDE_CVBS C9906 SIDEAV_R_IN 470K SIDE_CVBS R9906 5 6V OPT D9908 470K SIDE_CVBS R9905 1K SIDE_COMP R9912 BLM18PG121SN1D SIDE_CVBS L9902 100pF 50V SIDE_CVBS C9905 12K SIDE_CVBS R9916 SIDEAV_L_IN KJA PH 1 0177 SIDE_AV_GENDER JK9901 3 M3_DETE CT 4 M4 5 M5_G ND 1 M1 6 M6 SIDEAV_DET...

Страница 58: ...100 R1908 10K R1906 CI_MCLKI CI_ADDR 7 PCM_A 2 CI_MDI 3 0 1uF C1909 0 OPT R1910 GND TOSHIBA T C 7 4 L C X 2 4 4 F T 0ITO742440D IC1902 3 2Y4 2 1A1 4 1A2 1 1OE 6 1A3 5 2Y3 7 2Y2 8 1A4 9 2Y1 12 1Y4 13 2A2 14 1Y3 15 2A3 16 1Y2 17 2A4 18 1Y1 19 2OE 20 VCC GND CI_MDI 0 0 OPT R1916 FE_TS_CLK CI_TS_VAL 10K R1904 0 1uF 16V C1904 PCM_A 0 33 AR1901 REG CI_IORD CI_MCLKI 1 0 K R 1 9 2 1 33 AR1902 CI_MDI 3 CI_...

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Страница 60: ...0 6 G A S 3 6 5 T _ G A S 6 1 8 8 7 7 0 8 5 T _ G A S A S 3 4 M D S 6 2 1 1 0 2 0 5 7 5 T _ G A S G A S 1 2 M D S 6 2 1 1 0 2 0 5 7 5 T _ G A S G A S 3 2 6 1 8 8 7 7 0 8 T _ G A S A S 2 4 M D S 6 2 1 1 0 2 0 4 5 5 T _ G A S G A S 1 1 M D S 6 2 1 1 0 2 0 4 5 5 T _ G A S G A S 2 1 M D S 6 1 8 8 7 7 1 0 9 5 T _ G A S G A S 2 3 M D S 6 1 8 8 7 7 1 0 9 5 T _ G A S G A S 5 3 6 1 8 8 7 7 0 8 T _ G A S A ...

Страница 61: ...TV Service Manual Service Manual LG LED 32LE5500 Samsung A55x Serv L DIM_SCLK 18pF 50V OPT C2103 2 2 K R 2 1 0 0 L E D _ D R I V E R _ D L 18pF 50V OPT C2102 18pF 50V C2100 OPT V_SYNC L DIM_MOSI 18pF 50V OPT C2104 18pF 50V OPT C2101 2 2 K R 2 1 0 1 L E D _ D R I V E R _ D L LED_DRIVER_D L_SDA 12507WR 08L P2100 L DIM_LED DRIVER 1 2 3 4 5 6 7 8 9 3 3V_Normal LED_DRIVER_D L_SCL ...

Страница 62: ... 4 0 C 4 4 1 C 4 4 4 C 4 4 5 C448 R 2 9 3 R 2 9 4 R 2 9 5 R 2 9 7 C 4 5 3 C 4 5 6 C 4 5 7 C 4 5 8 C 4 5 9 C 4 6 0 C 4 6 1 C 4 6 2 C463 C 4 6 4 C 4 6 5 C 4 6 6 C 4 6 7 C 4 6 8 C 2 7 5 C 4 6 9 C 2 7 6 C 4 7 0 C 4 7 1 C 4 7 2 C 4 7 3 C 4 7 6 C 4 7 7 C 2 8 4 P 3 9 0 4 I C 4 0 2 I C 4 0 3 C 4 8 5 I C 4 0 5 I C 4 0 6 C 2 9 3 I C 4 0 7 C 4 8 8 A R 1 2 0 1 A R 1 2 0 2 A R 1 2 0 3 AR 120 4 AR1 205 AR1 206 ...

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Страница 65: ...Manual Uploaded by KAZIMALI25 LG 32LW4500 Service Manual Full description Save Embed Print RELATED TITLES 2 8K views 4 0 Share LG PLASMA TV 42pt350r Td LG TV Service Manual Service Manual LG LED 32LE5500 Samsung A55x Serv ...

Страница 66: ...Manual Uploaded by KAZIMALI25 LG 32LW4500 Service Manual Full description Save Embed Print RELATED TITLES 2 8K views 4 0 Share LG PLASMA TV 42pt350r Td LG TV Service Manual Service Manual LG LED 32LE5500 Samsung A55x Serv ...

Страница 67: ......

Страница 68: ...s 4 0 Share LG PLASMA TV 42pt350r Td LG TV Service Manual Service Manual LG LED 32LE5500 Samsung A55x Serv 1 Power up boot check Check stand by Voltage P403 9 12pin 3 5V_ST Check Power connector Main B D 3 5V Line Short Check Check X1002 clock 32 KHz Replace X1002 Check Micom Voltage IC1002 pin 48 3 5V Replace L404 ok ok ok No No No ok ...

Страница 69: ......

Страница 70: ... RELATED TITLES 2 8K views 4 0 Share LG PLASMA TV 42pt350r Td LG TV Service Manual Service Manual LG LED 32LE5500 Samsung A55x Serv 2 Digital TV Video Check RF Cable Signal Check Tuner 3 3V Power L3703 Replace L3703 Check Tuner 5V Power L3702 Check IC406 IC410 ok ok No No Replace IC406 IC410 No Replace L3702 ok ...

Страница 71: ......

Страница 72: ... RELATED TITLES 2 8K views 4 0 Share LG PLASMA TV 42pt350r Td LG TV Service Manual Service Manual LG LED 32LE5500 Samsung A55x Serv 3 Analog TV Video Check RF Cable Signal Check Tuner 3 3V Power L3703 Replace L3703 Check Tuner 5V Power L3702 Check IC406 IC410 ok ok No No Replace IC406 IC410 No Replace L3702 ok ...

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Страница 74: ...d Print RELATED TITLES 2 8K views 4 0 Share LG PLASMA TV 42pt350r Td LG TV Service Manual Service Manual LG LED 32LE5500 Samsung A55x Serv 4 AV Video Check input signal format Is it supported Check AV Cable for damage for damage or open conductor Check JK1604 JK9901 CVBS Signal Line ok ok No Replace Jack ...

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Страница 76: ...LES 2 8K views 4 0 Share LG PLASMA TV 42pt350r Td LG TV Service Manual Service Manual LG LED 32LE5500 Samsung A55x Serv 6 RGB Video Check input signal format Is it supported Check RGB Cable conductors for damage or open conductor Check EDID EEPROM IC1105 I2C Signal ok ok No Replace the defective IC or re download EDID data ...

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Страница 78: ...K views 4 0 Share LG PLASMA TV 42pt350r Td LG TV Service Manual Service Manual LG LED 32LE5500 Samsung A55x Serv 7 HDMI Video Check input signal format Is it supported Check HDMI Cable conductors for damage or open conductor Check EDID EEPROM IC801 IC802 IC804 I2C Signal ok ok No Replace the defective IC or re download EDID data ...

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Страница 80: ...ws 4 0 Share LG PLASMA TV 42pt350r Td LG TV Service Manual Service Manual LG LED 32LE5500 Samsung A55x Serv 8 All Source Audio Check the TV Speaker Menu Menu Sound TV Speaker On ok Off Toggle the Menu Check AMP IC IC501 Power 24V 3 3V 1 8V No Check Regulator IC404 Check Mstar AUDIO_MASTER_CLK TP502 No Replace Mstar IC101 or Main Board ...

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Страница 82: ... RELATED TITLES 2 8K views 4 0 Share LG PLASMA TV 42pt350r Td LG TV Service Manual Service Manual LG LED 32LE5500 Samsung A55x Serv 9 Digital TV Audio Check RF Cable Signal Check Tuner 3 3V Power L3703 Replace L3703 Check Tuner 5V Power L3702 Check IC406 IC410 ok ok No No Replace IC406 IC410 No Replace L3702 ok ...

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Страница 84: ...int RELATED TITLES 2 8K views 4 0 Share LG PLASMA TV 42pt350r Td LG TV Service Manual Service Manual LG LED 32LE5500 Samsung A55x Serv 10 Analog TV Audio Check RF Cable Signal Check Tuner 3 3V Power Replace L3703 Check Tuner 5V Power L3702 Check IC406 IC410 ok ok No No Replace IC406 IC410 No Replace L3702 ok ...

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Страница 86: ... RELATED TITLES 2 8K views 4 0 Share LG PLASMA TV 42pt350r Td LG TV Service Manual Service Manual LG LED 32LE5500 Samsung A55x Serv 11 AV Audio Check AV Cable for damage for damage or open conductor Check JK1604 JK9001 Signal Line ok ok No Replace Jack Follow procedure 8 All source audio trouble shooting guide ...

Страница 87: ......

Страница 88: ...d by KAZIMALI25 LG 32LW4500 Service Manual Full description Save Embed Print RELATED TITLES 2 8K views 4 0 Share LG PLASMA TV 42pt350r Td LG TV Service Manual Service Manual LG LED 32LE5500 Samsung A55x Serv GP3 Carry Over Block Diagram ...

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