LG 55LH85 Service Manual
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LG 55LH85 Service Manual

LG 55LH85 Service Manual

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LCD TV

SERVICE MANUAL

CHASSIS : LA92F
MODEL : 55LH85
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL58600436 (0905-REV00)
North/Latin America
Europe/Africa
Asia/Oceania
55LH85-UC
TV
AV1
AV2
COM1
COM2
RGB
1
2
3
4
WIRELESS
4
Internal Use Only
http://aic.lgservice.com
http://eic.lgservice.com
http://biz.lgservice.com
Printed in Korea

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Summary of Contents for LG 55LH85

  • Page 1: Service Manual

    North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com LCD TV SERVICE MANUAL CHASSIS : LA92F MODEL : 55LH85 55LH85-UC CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. COM1 COM2 WIRELESS P/NO : MFL58600436 (0905-REV00) Printed in Korea...
  • Page 2 CONTENTS ..................... 2 PRODUCT SAFETY ................. 3 SPECIFICATION ..................6 ADJUSTMENT INSTRUCTION .............. 10 EXPLODED VIEW .................. 16 SVC. SHEET ....................Copyright LG Electronics. Inc. All right reserved. - 2 - LGE Internal Use Only Only for training and service purposes...

  • Page 3: Safety Precautions

    An other abnormality exists that must be corrected before the receiver is returned to the customer. Copyright LG Electronics. Inc. All right reserved. - 3 - LGE Internal Use Only Only for training and service purposes...

  • Page 4: Servicing Precautions

    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 Copyright LG Electronics. Inc. All right reserved. - 4 - LGE Internal Use Only Only for training and service purposes...
  • Page 5 CAUTION: Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures. Copyright LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes...
  • Page 6 2) Humidity : ~ 80 % Storage Environment 1) Temp : -20 ~ 60 deg 2) Humidity : ~ 85 % Copyright LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes...
  • Page 7 Warm 6500K 0.327 0.329 0.331 Color Distortion, DG 10.0 Color Distortion, DP 10.0 Color S/N, AM/FM 43.0 Color Killer Sensitivity Copyright LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
  • Page 8 85.50 VESA (WXGA) 1280*1024 63.981 60.020 108.00 VESA (SXGA) 1600*1200 75.00 60.00 VESA (UXGA) 1920*1080 66.587 59.934 148.5 HDTV 1080P Copyright LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
  • Page 9 REAR SHIELD & BOTTOM SHIELD Measure(DQA) MAX 1mm SPEC BOTTOM COVER & REAR SHIELD Measure(DQA) 1.2mm mm SPEC TOP COVER & REAR SHIELD Measure(DQA) Copyright LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
  • Page 10 Measure (DQA) SIDE GAP(C/A & B/C ) Spec Max 1.3 (delta 0.7) Measure (DQA) Appearance Refer to Standard of LG(56)G4-9002 Copyright LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes...

  • Page 11: Adjustment Instruction

    - ad 00 10 [Adjust 1080p Comp1/RGB] - Ship-out mode - ad 00 90 End adj. - Service Option Default Copyright LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes...
  • Page 12 Paring information OSD that is displayed 2) Use these method if the upper method can not be processed EDID Block 1 table = Copyright LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes...

  • Page 13: White Balance Adjustment

    - CS : Checksum Warm R-Gain - A : Acknowledge Ex) [Send: JA_00_DD] / [Ack: A_00_okDDX} G-Gain B-Gain R-Cut G-Cut Copyright LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes...
  • Page 14 - Make sure that the back light is turned on by using no signal and the full white pattern or others. Copyright LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes...
  • Page 15 - Internal pressure TEST = POWER CORD GND & LIVE & NEUTRAL < step 5> < step 6> • LEAKAGE CURRENT: At 0.5mArms Copyright LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only Only for training and service purposes...
  • Page 16 X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. 200T 200N 120 510 Media Box Copyright LG Electronics. Inc. All right reserved. - 16 - LGE Internal Use Only Only for training and service purposes...
  • Page 17 RS232C & ISP ISP FOR S5 P500 TJC2508-4A +3.3V_ST UART CONNECTION ================================ L502 BLM18PG121SN1D MICOM RX_B/D -------------------------------- C546 0.33uF 9:AC30;R25 UART_SEL1: L ISP_RXD IC500 UART_SEL2: L C512 MAX3232CDR 0.1uF R509 -------------------------------- R542 S5 <-> RX: CON DIS-CON ISP_TXD R521 CONNECT 9:AC30;Y25 R510 ISP_TXD...
  • Page 18 HDMI CEC HDMI0 (ONLY FOR INNER RX BOARD) +3.3V_ST (READY) R323 Q300 SSM6N15FU R319 DRAIN1 SOURCE1 HDMI_CEC 9:F32;12:M15 9:AO31 HDMI0_POWER +3.3V_ST GATE2 GATE1 SOURCE2 DRAIN2 R328 C302 R303 0.1uF 0TFTH80001A HDMI0_HPD 9:F35 HDMI_CEC BODY_SHIELD AVRL161A1R1NT R321 HOT_PLUG_DETECT C303 VDD[+5V] 0.1uF R308 DDC/CEC_GND R306...
  • Page 19 IC401 AZ1117H-1.8TRE1(EH13A) +3.3V +1.8V_AMP INPUT ADJ/GND OUTPUT C446 C447 22uF 0.1uF C448 C449 0.1uF 22uF +24V +24V_AMP L402 MLB-201209-0120P-N2 SPK_L+ AK11 +24V_AMP D400 1N4148W R411 C442 L404 0.01uF 100V DA-8580 R409 R416 EAP38319001 C438 C431 R420 0.1uF 1000pF 4.7K C436 SPEAKER_L 0.47uF C415...
  • Page 20 +5V_+12V Stand-by +3.3V FROM LIPS & POWER B/D +3.3V_ST +5V_ST +5V_ST +3.3V_ST +12V L608 IC602 CB3216PA501E +5V_ST AP1117E33G-13 +3.3V_ST L614 RT1P141C-T112 L601 C653 CB3216PA501E Q600 BG2012B121F ADJ/GND 0.1uF C661 C663 R607 C600 C607 C609 C603 10uF 0.1uF +5V_ST Q606 10uF 10uF 0.1uF 0.1uF...
  • Page 21 DDR2 1.8V By CAP - Place these Caps near Memory +1.8V_DDR +1.8V_S_DDR L200 BLM18PG121SN1D C200 C221 0.1uF 0.1uF +1.8V_S_DDR +1.8V_S_DDR +1.8V_S_DDR IC100 C239 C241 IC200 IC201 0.1uF 1000pF H5PS5162FFR-S6C MSD3159GV H5PS5162FFR-S6C VREF AR200 VREF SDDR_D[0] TDDR_D[0] SDDR_A[5] ADDR2_A[5] A_MVREF AR212 SDDR_D[1] TDDR_D[1] SDDR_A[3]...
  • Page 22 XTAL PCB BACK VIEW SMD Gasket Option 12V_TCON R705 GAS1 GAS1 MDS61887701 M_XTALO M_XTALI X700 P702 12MHz C700 C701 +3.3V_MEMC TF05-51S GAS2 GAS2 15pF 15pF R716 R722 MDS61887701 L705 BLM18PG121SN1D R717 R723 +3.3V_MEMC GAS3 GAS3 R718 R724 MDS61887701 R719 R725 +3.3V_MEMC GAS4 GAS4...
  • Page 23 FRC DDR2 DDR2 1.8V By CAP - Place these Caps near Memory +1.8V_MEMC +1.8V_FRC_DDR +1.8V_FRC_DDR +1.8V_FRC_DDR BLM18PG121SN1D L800 PI Result +1.8V_FRC_DDR +1.8V_FRC_DDR 7:AB4;AL20 URSA_DQ[0-31] URSA_DQ[0-31] 7:AB4;D20 IC800 IC801 AR800 AR814 URSA_DQ[27] DDR_DQ[27] DDR_DQ[15] URSA_DQ[15] H5PS5162FFR-S6C H5PS5162FFR-S6C URSA_DQ[28] DDR_DQ[28] DDR_DQ[8] URSA_DQ[8] URSA_DQ[25] DDR_DQ[25] DDR_DQ[10]...
  • Page 24 IC100 X100 MSD3159GV 12MHz C116 IC100 +1.26V_VDDC VDDC : 970mA 20pF MSD3159GV R173 S5_Reset HWRESET C117 R171 IC100 XOUT AC16 VDDC_1 20pF GND_2 PCMD0/CI_D0 MSD3159GV AA15 R172 VDDC_2 GND_3 PCMD1/CI_D1 TESTPIN/GND AA16 VDDC_3 GND_4 PCMD2/CI_D2 VDDC_4 PCMD3/CI_D3 GND_5 AE11 R174 VDDC_5 RXACKP AE16...
  • Page 25 MICOM POWER FOR SUB MICOM +3.3V_ST +3.3V_ST_MICOM L900 BLM18PG121SN1D R950 LD900 SML-201MT +3.3V_ST_MICOM IC901 +3.3V_ST_MICOM KIA7027AF C901 C903 C908 0.1uF 0.1uF 47uF +3.3V_ST_MICOM OPTION FOR AC-DETECT +3.3V_ST_MICOM +5V_ST +12V R960 POWER_ON/OFF 9:AO34;4:Q24;T8 GPIOD2/P10/AD4 C902 C904 C907 R962 R964 0.1uF 10uF 0.1uF R952 4.3K...
  • Page 26 D5.0V_VGA P5.0V_ST D1223 ENKMC2838-T112 RGB PC ANALOG IN/OUT AV1_AUDIO_L R1211 AV1_L_IN 001:B3 009:D3 C1251 R1210 100pF R1249 R1262 R1253 C1228 IC1200 4.7K 4.7K 0.1uF AT24C02BN-10SU-1.8 P1200 10022HS-31A02 R1269 100 AV1_AUDIO_R R1205 AV1_R_IN 001:B3 009:D3 VGA_EEPROM_WP 009:I5 D3.3V_2 C1250 R1207 COMP1_Y ISP_RXD 009:A6;009:F4 100pF...
  • Page 27 * HDMI CEC D3.3V_2 D3.3V_2 5V_HDMI_1 5V_HDMI_3 D3.3V_2 R1500 R1505 R512 BODY_SHIELD R513 0 002:F4 D1.8V_1 D1.8V_HDMI D3.3V_2 D3.3V_HDMI R528 HPD3 HPD1 002:F6 L500 L501 HP_DET HP_DET CB3216PA501E BLM18PG121SN1D R522 R1504 IC501 C501 C500 0.1uF 0.1uF SSM6N15FU C530 C504 16V OPT 16V OPT 0.1uF 0.1uF...

  • Page 28: Power Supply

    POWER SUPPLY +5.0V For USB & Etc +1.8V For HDMI TX Stand-by +3.3V POWER CONNECTOR IC700 P5.0V_ST P3.3V P6.0V P6.0V D5.0V_1 D3.3V_2 D1.8V_1 P5.0V_ST BA50BC0WFP-E2 IC703 AP1117E18G-13 Replaced Part D3.3V_L IC702 ADJ/GND AP1117E33G-13 L724 C700 P700 C702 0.1uF SMW250-16P R700 CB3216PA501E 100uF ADJ/GND...
  • Page 29 +5V_TU L1003 500 C1008 C1011 C1005 C1007 C1013 10uF 0.1uF 0.1uF 0.01uF 220uF +5V_TU TU1001 TDVW-H154F L1006 500 C1053 C1051 C1052 C1054 D3.3V_AVDD_PVSB 0.01uF 220uF 10uF 0.1uF 25V OPT 16V OPT +5V_TU 1N4148W NC_1 R1074 D1000 C1071 C1072 NC_2 27pF 27pF X1005 GND_1...
  • Page 30 DDR2 DDR2 1.8V By CAP - Place these Caps near Memory D1.8V_DDR D1.8V_S_DDR L300 BLM18PG121SN1D C302 C323 0.1uF 0.1uF PI Result D1.8V_S_DDR D1.8V_S_DDR D1.8V_S_DDR C333 C335 IC100 IC300 IC301 0.1uF 1000pF HY5PS1G1631CFP-S6 LGE3369A (Saturn6 Non RM) H5PS5162FFR-S6C @compC SDDR_D[0] VREF AR300 VREF TDDR_D[0]...
  • Page 31 D3.3V_1 D1.26V_VDDC D3.3V_VDDP L101 BLM18PG121SN1D C163 C166 C169 C172 C175 C178 C183 C188 C193 C198 C2104 C2109 C2115 C2119 C2137 C2120 C2123 C2124 C2125 C2126 C2127 C2128 C2129 C2130 C2131 C2132 C2133 C2134 C2135 C164 C167 C170 C173 C176 C179 C184 C189 C195...
  • Page 32 MICRO-CONTROLLER WIRELESS STATUS INDICATOR D3.3V_L D400 SML-201MT R449 POWER D3.3V_1 D5.0V_1 MONITORING D401 SML-201MT R450 R403 4.7K D402 SML-201MT R451 R404 4.7K WIHD_PWR_MNT R405 R452 4.7K 017:F4 R425 S6_Reset_IN 009:G1 MICOM_RESETb R406 R426 WIHD_TX_RESETb 012:F5 014:G4 UART_SELECT R407 R427 WIHD_PWR_EN 014:F6 004:F5 D3.3V_L...
  • Page 33 USB PORT (FRONT) FRONT I/F +5V_USB_1 014:G2 P1103 P1100 12507WS-08L P5.0V_ST KJA-UB-4-0004 JP405 SMD Gasket Option L1105 TP1106 BLM18SG121TN1D USB_DM GAS1 C1122 C1117 GAS1 009:I2 10uF 0.1uF C1104 MDS61887701 330uF USB_DP 009:I2 JP406 D1107 D1108 GAS2 GAS2 ADMC5M03200L ADMC5M03200L 5.6V BLM18PG121SN1D L1106 FRONT_RESETb...
  • Page 34 LVDS RECEIVER LVB_0M 009:D2 R932 LVB_0P 009:D2 LVB_1M 009:D2 R933 LVB_1P 009:D2 LVB_2M 009:D2 R934 LVB_2P 009:D2 LVB_CKM R953 009:D2 R935 LVB_CKP R954 009:D2 LVB_3M 009:D2 R936 LVB_3P 009:D2 LVB_4M 009:D2 R937 LVB_4P 009:D2 LVA_0M 009:D1 R938 LVA_0P 009:D1 LVA_1M 009:D1 R939 C919...
  • Page 35 HDMI_TX_VIDEO_CLK 016:G6 HDMI_TX_VIDEO_B[0-9] 016:G5 HDMI MONITOR OUT HDMI_TX_VIDEO_G[0-9] 016:G5 HDMI_TX_VIDEO_G[0] HDMI TX HDMI_TX_VIDEO_G[1] JK800 YKF45-7059V HDMI_TX_VIDEO_G[2] HDMI_TX_VIDEO_G[3] HDMI_TX_VIDEO_G[4] D3.3V_2 D1.8V_1 HDMI_TX_TMDS_TXA2P 017:E4 D2_GND L805 L800 CIC21J601 TP809 CIC21J601 HDMI_TX_TMDS_TXA2N 017:E4 HDMI_TX_TMDS_TXA1P C800 C802 C804 C806 C808 C811 C813 017:E4 0.1uF 10uF 0.1uF 0.1uF...
  • Page 36 Wireless TV Transmitter Board 1.Title Sheet 2.RFIC 3.Power 4.Power Supply1 5.Power Supply2 6.BBIC IF 7.BBIC Clock Recovery 8.BBIC Audio / Video Out 9.BBIC Control 10.BBIC Misc 11.BBIC Power/Ground 12.HDMI Rx SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS W-TV Tx 2009.02.05...
  • Page 37 TP205 TP206 VCC1.2V STBY 006:X16 XOEN 002:AM14;006:X16 VCC1.2V C211 C235 C238 4.7uF 0.1uF 100pF 6.3V 1005 1005 C219 C245 C240 4.7uF 0.1uF 100pF VCC1.0V_LDO 6.3V 1005 C233 VCC1.0V_RF DVDDIO_VCC3.3V 1005 0.1uF 1005 C213 0.1uF 16V VCC1.0V_RF C237 1005 0.1uF C241 C215 C220 4.7uF...
  • Page 38 VCC3.3V DVDDIO_VCC3.3V L310 CIC21J601 AVDD_XO_+3.3V L303 3.3uH 3.3V_SI_AVCC L309 CIC21J601 C311 47uF C301 6.3V 4.7uF 2012 VCC2.5V_LDO VDDHA_+2.5V_TxicM L305 3.3uH VCC2.5V L311 C310 CIC21J601 47uF 6.3V C302 4.7uF 2012 SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS W-TV Tx 2009.02.05...
  • Page 39 VCC1.0V VCC1.0V_LDO VCC1.7V_LDO VCC1.7V L410 L408 UBW3216-121 UBW3216-121 VCC5V VCC5V C430 C427 22pF C443 22pF C407 C404 C425 C426 22uF 47uF C444 22uF 22uF 22uF @compC 6.3V @compC @compC @compC 47uF 6.3V VCC5V VCC5V C429 R423 22pF 22pF R422 C428 VCC5V C413 1.2pF...
  • Page 40 VCC5V VCC1.7V_LDO Q501 SI4804BDY D1_2 IC500 SC338IMSTRT D1_1 C506 C512 4.7uF 47uF 6.3V 6.3V DRV1 D2_2 VCC1.2V ADJ1 DRV2 D2_1 R500 ADJ2 4.7K R501 R503 VCC1.0V_RF PGD1 4.7K 4.7K R502 PGD2 4.7K C500 0.1uF C501 C502 0.01uF 0.01uF C503 C504 C505 C514 C509...
  • Page 41 IC601 SB9120 BASEBAND I/F 002:N17 BBOUTI_P ADCI_P BBOUTI_N 002:N17 ADCI_N BBOUTQ_P 002:N16 ADCQ_P 002:N16 BBOUTQ_N ADCQ_N DACI_P BBINI_P 002:N15 DACI_N BBINI_N 002:N15 DACQ_P BBINQ_P 002:N14 DACQ_N BBINQ_N 002:N14 PCLK_P 002:AD15 PCLK_P 002:AD15 PCLK_N PCLK_N R601 3.01K REFRES @compC 002:Y23;002:AM14 XOEN XOEN STBY STBY...
  • Page 42 BACK CHANNEL AUDIO CIRCUIT REMOVED SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS W-TV Tx 2009.02.05 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR CHOI SEONG WOOK THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
  • Page 43 IC601 SB9120 AUDIO IN 012:Y12 AUDIO_SPDIF_OUT SPDIFI CLK27 TP803 012:Y11 AUDIO_SD 012:Y11 AUDIO_MCLK MCLKI 012:Y11 AUDIO_WS LRCK 012:Y11 AUDIO_SCK IC601 SB9120 VIDEO IN 012:AC27 VIDEO_VSYNC VSYNC 012:AC27 VIDEO_HSYNC HSYNC 012:AC27 VIDEO_DE 012:AI29 VIDEO_B0 012:AI29 VIDEO_B1 008:Q7;012:AI29 VIDEO_B2 008:W7;012:AI29 VIDEO_B3 012:AI28 VIDEO_B4 012:AI28 VIDEO_B5...
  • Page 44 VCC3.3V VCC3.3V IC901 MX25L1605DM2I-12G C902 0.1uF R935 SO/SIO1 HOLD# TP908 TP902 TP901 VCC3.3V TP907 TP906 TP903 TP900 WP#/AGC SCLK VCC3.3V IC601 SB9120 SI/SIO0 CONTROL RSVD_1 RSVD_2 R934 RSVD_3 RSVD_4 RSVD_5 SCLK TP904 TP905 RSVD_6 RSVD_7 DDC_CLK RSVD_8 012:P17;012:V25;012:AH4 R930 RSVD_9 DDC_DATA 012:P17;012:V25;012:AH4 R931...
  • Page 45 IC601 SB9120 VSS_67 NC_7 NC_15 VSS_76 NC_1 VSS_77 NC_8 VSS_66 NC_16 VSS_87 NC_2 VSS_90 NC_9 VSS_88 NC_17 VSS_78 NC_3 VSS_95 NC_10 VCC3.3V VSS_91 NC_18 VSS_89 NC_4 NC_11 NC_19 VDDIO_21 NC_5 VDDIO_20 NC_12 VDDIO_22 NC_20 VSS_92 NC_6 NC_13 NC_14 NC_42 Interface is NC NC_23 NC_41 NC_52...
  • Page 46 IC601 VCC1.0V_LDO SB9120 VCC3.3V VDD_7 VDDIO_1 VDD_1 VDDIO_5 VDD_8 VDDIO_2 VDD_2 VDDIO_6 VDD_9 VDDIO_3 VDD_10 VDDIO_4 VDD_3 VDDIO_9 VDD_11 VDDIO_8 VDD_4 VDDIO_19 VDD_12 VDDIO_18 VDD_13 VDDIO_15 VDD_5 VDDIO_17 VDD_14 VDDIO_14 VDD_6 VDDIO_16 IC601 VDD_18 VDDIO_13 SB9120 VDD_17 VDDIO_12 VCC1.0V_LDO VDD_22 VDDIO_11 VDD_21 VDDIO_10...
  • Page 47 AR1202 47 1/16W VIDEO_B0 008:P17 VIDEO_B1 008:P17 VIDEO_B2 008:P17;008:Q7 VIDEO_B3 008:P16;008:W7 AR1203 1/16W VIDEO_B4 008:P16 VIDEO_B5 008:P16 VCC3.3V VIDEO_B6 008:P16 4.7K VIDEO_B7 008:P16 R1207 R1208 4.7K R1231 VIDEO_CLK 008:P15 1005 C1240 R1223 C1239 150pF 150pF 004:I12;009:AB16 I2C_SDA 50V OPT R1224 50V OPT 004:I12;009:AB17 I2C_SCL...
  • Page 48 Wireless TV Receiver Board 1.Title Sheet 2.RFIC 3.Power 4.Power Supply1 5.Power Supply2 6.BBIC IF 7.BBIC Clock Recovery 8.BBIC Audio / Video Out 9.BBIC Control 10.BBIC Misc 11.BBIC Power/Ground 12.HDMI Tx 13.uController SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. W-TV Rx FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2009.02.03...
  • Page 49 DVDDIO_VCC3.3V C239 0.1uF VCC1.0V(RF) C203 1005 0.1uF VCC1.2V 1005 VCC1.2V R202 C206 C205 4.53K 100pF 0.1uF 1005 1005 C201 C204 C202 100pF 0.1uF 4.7uF 6.3V 1005 1005 1608 VCC1.2V VCC1.2V VCC1.2V VCC1.2V VDDARF_1 VDDARF_3 C229 C231 C230 C208 C207 C211 C209 C210 VDDARF_2...
  • Page 50 DVDDIO_VCC3.3V VCC3.3V L302 CIC21J601 VCC3.3V AVDD_XO_+3.3V 3.3uH L303 C301 10uF 3216 VCC2.5V VDD_+2.5V_RxicM 3.3uH L304 VCC3.3V VCC1.8VH IC301 C302 AZ1117R-1.8TRE1 10uF SOT89_3PIN L311 CIC21J601 3216 INPUT OUTPUT C310 C311 ADJ/GND 10uF 10uF C312 10uF 3216 3216 3216 VCC3.3V IOVCC3.3V VCC1.8VH AVCC1.8V L312 L308...
  • Page 51 1.0V/3A 1.4V/3.5A VCC1.4V VCC1.0V VCC5V VCC5V C408 C407 C426 C418 22uF 47uF 10uF 47uF 6.3V 6.3V 3216 7343 VCC5V 7343 VCC5V 3216 R421 C423 R422 C424 22pF 1005 22pF 1005 10 1005 10 1005 1.2pF 1.2pF C415 1005 C420 1005 PVIN1 PGND1 PVIN1...
  • Page 52 VCC1.0V(RF) VCC1.2V VCC1.4V IC501 VCC5V SC338IMSTRT Q501 DRV1 SI4804BDY C503 C513 C514 4.7uF 0.1uF 47uF ADJ1 DRV2 D1_2 VCC3.3V 6.3V @compC 2012 1005 7343 R507 ADJ2 D1_1 4.7K VCC3.3V 1005 PGD1 R508 D2_2 R505 4.7K 4.7K 1005 PGD2 D2_1 1005 R506 C506 C504...
  • Page 53 IC601 SB9121 Baseband I/F ADCI_P BBOUTI_P 2:N14 BBOUTI_N 2:N15 ADCI_N ADCQ_P BBOUTQ_P 2:N14 BBOUTQ_N 2:N14 ADCQ_N BBINI_P 2:N16 DACI_P DACI_N BBINI_N 2:N16 BBINQ_P 2:N15 DACQ_P DACQ_N BBINQ_N 2:N15 PCLK_P 2:AA15 PCLK_P PCLK_N PCLK_N 2:AA14 R601 3.01K REFRES 1005 XOEN XO_EN 2:V22;2:AL12 STBY RFMODE_STBY...
  • Page 54 X701 VCC3.3V 27MHz X-TAL_1 GND_2 VCC3.3V GND_1 X-TAL_2 MAIN: SUNNY / SUB: PARTRON IC702 VCC3.3V CDCE925PWR R720 XIN/CLK XOUT 4.7K 1005 VCC1.8VH S1/SDA GPIO6 9:I14 C711 L701 IC701 4.7uF CIC21J601 6.3V AD5622BKSZ-2500RL7 S2/SCL GPIO5 9:I14 R703 R704 ADDR VOUT VCTR VCLK_IN 1005 1005...
  • Page 55 IC601 SB9121 Audio I/O TP804 SPDIFO TP805 TP803 CLK27 TP806 TP807 AUDIO_SD0 12:E17 22 2010_A4 AR806 MCLKO AUDIO_MCLK 12:E17 LRCK AUDIO_WS 12:E16 AUDIO_SCLK 12:E16 MUTE TP808 IC601 SB9121 Video Out 2010_A4 AR801 VIDEO_D35 12:S14 VIDEO_D34 12:S15 VIDEO_D33 12:S15 VIDEO_D32 12:S15 AR802 2010_A4 VIDEO_D31...
  • Page 56 VCC3.3V VCC3.3V IC901 MX25L1605DM2I-12G VCC3.3V C902 0.1uF 1005 SO/SIO1 HOLD# VCC3.3V WP#/AGC SCLK IC601 SB9121 SI/SIO0 Control RSVD_1 TP903 SPI_CS0N TP902 @compC TP904 RSVD_2 RSVD_3 VCC3.3V RSVD_4 RSVD_5 SCLK RSVD_6 RSVD_7 TP905 RSVD_8 RSVD_9 I2C_SCL 12:N7;12:Z14;13:W14;13:AH10 TP906 I2C_SDA 12:N7;12:Z14;13:W14;13:AH10 I2CSEL BB_INTN 13:W16;13:AH9 4.7K 1005...
  • Page 57 IC601 SB9121 Misc VSS_97 NC_11 VSS_83 NC_1 NC_6 NC_12 VSS_94 NC_2 VSS_95 NC_7 VSS_82 NC_13 VSS_108 NC_3 VSS_120 NC_8 VSS_109 NC_14 VSS_96 NC_4 VSS_123 NC_9 VSS_121 NC_15 VSS_125 NC_5 VCC3.3V NC_10 NC_16 VDDIO_26 NC_20 VDDIO_27 NC_21 VDDIO_28 NC_24 VSS_122 NC_23 NC_22 Interface is NC NC_36...
  • Page 58 VCC1.0V(RF) IC601 L1103 SB9121 120-ohm VCC1.0V IC601 L1101 IC601 VCC1.0V VCC1.0V VDDA_1.0V_BBic SB9121 120-ohm SB9121 VSS_61 VSS_119 VSS_60 VSS_118 VSS_59 VSS_117 VDD_50 VDD_51 C1103 C1105 C1102 C1101 VDDA_1 VSS_58 VSS_116 22uF 0.1uF 0.1uF 0.01uF VDD_49 VDD_52 VDDA_2 VSS_57 VSS_115 VDD_48 VDD_53 3216 1005...
  • Page 59 D1201 D1202 RCLAMP0524P RCLAMP0524P IOVCC3.3V OUT1 OUT1 OUT2 OUT2 C1212 C1208 C1202 C1209 0.1uF 0.1uF 10uF 0.1uF 3216 1005 1005 1005 GND1 GND2 GND1 GND2 Near Video_clk OUT3 OUT3 CVCC1.8V OUT4 OUT4 C1205 C1201 C1207 0.1uF 10uF 0.1uF 1005 3216 1005 Tx_2+ YKF45-7060V...
  • Page 60 VCC5V P1302 12507WS-08L VCC3.3V R1309 C1304 C1307 C1308 C1306 150uF 1005 150uF 0.1uF 0.1uF 6.3V 6.3V 7343 7343 SML-201MT C1303 C1302 22uF LD1302 0.1uF R1305 1005 3216 1005 LD1301 SML-201MT R1307 1005 VCC3.3V DETECT VCC3.3V PMD5/RE5 SOSCO/T1CK/CN0/RC14 TP1303 R1325 PMD6/RE6 SOSCI/CN1/RC13 PMD7/RE7 OC1/RD0...

  • Page 61: Trouble Shooting

    Trouble shooting WIRELESS LH80/LH85 WIRELESS MODEL Wireless Analog LVDS HDMI HDMI LVDS SIGNAL INPUT MAIN IC TX MODULE RX MODULE MAIN IC CONVERTER MODULE Digital LGD V4 LGE3159 DTC30LM36 + SIL9125 + SB9111 + LGE3369 + Component SIL9134 SB9120 + SB9121 + LGE7329 HDMI...
  • Page 62 Trouble shooting WIRELESS LH80/LH85 WIRELESS MODEL Wireless Analog LVDS HDMI HDMI LVDS SIGNAL INPUT MAIN IC TX MODULE RX MODULE MAIN IC CONVERTER MODULE Digital LGD V4 LGE3159 DTC30LM36 + SIL9125 + SB9111 + LGE3369 + Component SIL9134 SB9120 + SB9121 + LGE7329 HDMI...
  • Page 63 Trouble shooting WIRELESS LH80/LH85 WIRELESS MODEL Wireless Analog LVDS HDMI HDMI LVDS SIGNAL INPUT MAIN IC TX MODULE RX MODULE MAIN IC CONVERTER MODULE Digital LGD V4 LGE3159 DTC30LM36 + SIL9125 + SB9111 + LGE3369 + Component SIL9134 SB9120 + SB9121 + LGE7329 HDMI...
  • Page 64 Trouble shooting WIRELESS LH80/LH85 Pairing for SVC 1. Turn on the TV SET & Media-Box 2. Connect TV HDMI5 Jack & Media-Box rear [Service only] Jack with HDMI cable HDMI CABLE 3. Enter the [IN START(Media Box)] menu and go to sub-title [9.Wireless check] Enter menu and Push the left or right remote-controller button.
  • Page 65 Trouble shooting WIRELESS LH80/LH85 Apply model N.America: 47LH85-UC / 55LH85-UC Korea: 42LH80YD-NB / 47LH80YD-NB / 55LH80YD-NB Circuit diagram TV SET 1. TV MAIN(SD/BD) 2. RX module (SD/BD) EAX60691303_SD EAX60691303_BD EAX52983302_SD EAX52983302_BD Media-Box 1. Box MAIN(SD/BD) 2. TX module (SD/BD) EAX52967903_SD...
  • Page 66 About Wireless TV WIRELESS LH80/LH85 NORMAL MODEL Analog LVDS INPUT MAIN IC MODULE Digital MSTAR Component HDMI TV SET WIRELESS MODEL Wireless Analog LVDS HDMI HDMI LVDS SIGNAL INPUT MAIN IC TX MODULE RX MODULE MAIN IC CONVERTER MODULE Digital LGD V4 LGE3159 DTC30LM36 +...
  • Page 67 About Wireless TV WIRELESS LH80/LH85 TX Module HDMI Cable From Media-Box Main b/d SIL9125 SB9120 SB9110 [B/B] [RF] RX Module HDMI Cable SIL9134 To TV Main b/d SB9121 SB9111 PIC32MX [MICOM] [B/B] [RF] TV SET Media-Box TX module RX module...
  • Page 68 About Wireless TV WIRELESS LH80/LH85 Top view of RF IC (Antenna) SB9110 SB9111 Unused Unused HRP Channel LRP Channel = 60.48㎓ c(HRP)
  • Page 69 About Wireless TV WIRELESS LH80/LH85 Wireless TX module RX module LRP: Control data HRP: Video & Audio data Wireless TV is similar to the walkie-talkie. We must match the channel of Tx & Rx module. There are 4 HRP channel(A1~A4). We use only A2 channel and 3 LRP channel like this [60.32㎓], [60.48㎓],[60.64㎓].
  • Page 70 Block Diagram TV SET DDR2 (1Gb) NVRAM DDR(512Mb) DDR(512Mb) DDR2(512Mb) 24C512 DDR2(512Mb) KIA7427F S-Flash (32Mb) LGE7329 MODULE FHD 120HZ Ursa NAND-Flash (512Mb) MCLK LGE3159GV X100 NTP3100L X-tal(12㎒) (D-AMP) NOT FOR USER Connect to Rx b/d For wireless HDMI5 For wired HDMI CABLE &...

  • Page 71: Block Diagram

    Block Diagram MEDIA-BOX(SIMPLE) Service HDMI Splitter only (PI3HDMI1210) Can Tuner Demodulator (TDVW-H154F) (LGDT3305) TS_DATA[0:7] FE_VMAIN HDMI Transmitter wireless FE_SIF LVDS LVDS Receiver (SiI9134) (THC63LVD1024) HDMI SPI_CK/CS/D0/D1 Serial Flash 30P Wafer : rear jack For Boot b’d & main b’d (P1200) Rear jack b’d AV1_CVBS_IN ADDR_D[0:15]...
  • Page 72 Block Diagram MEDIA-BOX(VIDEO) 3.3V_VSB 1.2V_VSB 5.0V_TU I2C_CH6 VSB/QAM ANT/ NTSC/VSB Demodulator I2C_CH2 CABLE Half-NIM [LGDT3305] TUNER I2C_CH4 I2C_CH6 I2C_CH1 I2C_CH2 Composite ANALOG VIDEO Video INPUT FE_VMAIN CEC_TX 3.3V_2 3.3V_2 1.8V_1 LCD/PDP 3.3V_2 5.0V_1 AV1_CVBS_IN DIGITAL TV AV2_CVBS_IN PROCESSOR LVDS HDMI COMP1-Y/Pb/Pr HDMI HDMI...
  • Page 73 Block Diagram MEDIA-BOX(AUDIO) 5.0V_TU I2C_CH6 VSB/QAM ANT/ NTSC/VSB Demodulator I2C_CH2 CABLE Half-NIM [LGDT3305] TUNER I2C_CH4 I2C_CH6 I2C_CH1 I2C_CH2 S/PDIF Composite ANALOG Video AUDIO INPUT 3.3V_2 1.8V_1 3.3V_2 5.0V_1 FE_SIF S/PDIF LCD/PDP A/V Audio-1 DIGITAL TV A/V Audio-2 HDMI HDMI HDMI PROCESSOR Transmitter DeMUX...
  • Page 74 Block Diagram TX MODULE ADCI_P/N D[35:0] ADCQ_P/N H/VSYNC PCLK_P/N DDC(2line) HDMI TMDS(8line) CABLE (54MHz) SiI9125 SB9120 SB9110 IDCK HDMI Network SLEEP MCLK/SCK/W XTAL XTAL Receiver Processor Transceiver (3.6864MHz) (28.322MHz) DACI_P/ SPDIFI DACQ_P/N RF Control Embedded I2C(2line) SPI Bus(4line) Control 3.3V HDMI_INT &...
  • Page 75 Block Diagram RX MODULE XTAL XTAL (27MHz) (27MHz) VCXO VCXO Video Video Audio Audio VCLK ACLK ADCI_P/N D[35:0] ADCQ_P/N H/VSYNC PCLK_P/N DDC(2line) TMDS(8line) HDMI (54MHz) CABLE SiI9134 SB9121 SB9111 IDCK HDMI Network SLEEP MCLK/SCK/W XTAL Transceiver Processor Receiver (3.6864MHz) I2S(4line) DACI_P/N SPDIFO Power...

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