LG 32LW5700 Manual

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Owner's manual (246 pages)

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LED LCD TV

CHASSIS : LE13E

MODEL : 32LW5700

CAUTION

BEFORE SERVICING THE CHASSIS,

READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

P/NO : MFL67164214 (1105-REV00)

North/Latin America

Europe/Africa

Asia/Oceania

32LW5700-JA

Internal Use Only

http://aic.lgservice.com

http://eic.lgservice.com

http://biz.lgservice.com

Printed in Korea

Summary of Contents for LG 32LW5700

Page 1 Internal Use Only North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com LED LCD TV CHASSIS : LE13E MODEL : 32LW5700 32LW5700-JA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL67164214 (1105-REV00) Printed in Korea...
Page 3: Ac Volt-Meter
¨ ˙ ˙ D ¨ n CONDUIT etc. To Instrument’s »i I 0.15uF exposed o ﬁ METALLIC PARTS 1.5 Kohm/10W 1 . 5 k ¶/10W Copyright LG Electronics. Inc. All right reserved. - 3 - LGE Internal Use Only Only for training and service purposes...
Page 15 15.ワイヤレスレディ HDMI1 OK（0xD6,0xF9） UTT：71 16.ステーブルカウント OK（0xD6,0xF9） HDMI2 APP 履歴バージョン：2906:00 17.ODC テスト HDMI3 OK（0xD6,0xF9） PQL DB：LGD_EF_LGT10_ALLxN42 18.局所輝度制御 HDMI4 OK（0xD6,0xF9） Copyright LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only Only for training and service purposes...
Page 17 0.313–0.002 0.329–0.002 6,500K 0.003 高中低エイジング時間ステージ（最小） 0〜2 3〜5 6〜9 10〜19 20〜35 36〜49 0〜79 80~149 150 以上 Copyright LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes...
Page 19 1318.00 右 12034.36 1356.36 1356.36 右 (19) 12072.72 1394.72 1394.72 右 (21) 12111.08 1433.08 1433.08 右 (23) 12149.44 1471.44 1471.44 Copyright LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes...
Page 20 番号項目値単位備考 100 mA、1 秒（ライン）耐電圧（AC<->FG） 100 mA、1 分（OQC） 100 mA、1 秒（ライン）耐電圧（FG なし） 100 mA、1 分（OQC） Copyright LG Electronics. Inc. All right reserved. - 20 - LGE Internal Use Only Only for training and service purposes...
Page 22 CMD（16 番号進） EEPROM 書き込み 16 バイト書き込み（84+n）h n バイト書き込み STOP START 遅延延 150 ms ---------------------------------- START STOP 128バイト Copyright LG Electronics. Inc. All right reserved. - 22 - LGE Internal Use Only Only for training and service purposes...
Page 23 ゲイン調整開始（内部ホワイトパターン）ゲイン調整停止。オフセット調整開始。（内部ホワイトパターン）オフセット調整停止。ホワイトバランス調整停止（内部パターン終了） 10：アナログ、20：ビデオ 1、21：ビデオ 2、 40：コンポーネント 1、41：コンポーネント 2、 50：RGB_DTV、60：RGB_PC 90：HDMI 1、91：HDMI 2、92：HDMI ADC 開始 Copyright LG Electronics. Inc. All right reserved. - 23 - LGE Internal Use Only Only for training and service purposes...
Page 24 X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. Copyright LG Electronics. Inc. All right reserved. - 24 - LGE Internal Use Only Only for training and service purposes...
Page 25 COMPONENT/AV REAR JACK L100 270nH R122 COMP_Y COMPONENT/D5 ZD104 C101 C107 11:D3 27pF 27pF 5.1V ZD105 JK100 5.1V SP01-SC-002 L101 270nH COMP_Pb D102 C102 C108 11:D3 5.5V 27pF 27pF Y_GND L102 Pb_GND 270nH COMP_Pr Pr_GND D103 C103 C109 11:D3 27pF 27pF 5.5V COMP_LINE_DETECT...
Page 26 HDMI SWITCH 1.8V POWER 1.8V FOR HDMI SW +1.8V_HDMI D1.8V Q200 AO3438 EBK60752601 C200 4.7uF R201 POWER_ON/OFF2_1 R200 120K Seperated from Common sheet83 N.America & Korea only use 1.8V control SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 10/11/25 BCM_JAPAN...
Page 27 EARPHONE BLOCK USB BLOCK +3.3V_NORMAL USB2 +3.3V_NORMAL EARPHONE AMP L302 10uH IC301 +5V_USB AP2191DSG L301 R320 8 NC 4.7K MLB-201209-0120P-N2 C315 C317 IN_1 7 OUT_2 10uF 0.1uF IN_2 6 OUT_1 120-ohm L304 USB(DVR Ready) R308 BG2012B080TF C311 C313 5 FLG HP_L_OUT 10uF C310...
Page 28 SMD GASKET FOR EMI (8*6*5.5T) GASKET on the Bottom SMD GASKET FOR EMI (8*6*6.5T) GASKET on the Bottom SMD GASKET FOR EMI (8*6*7.5T) GASKET on the Bottom SMD GASKET FOR EMI (8*6*8.5T) GASKET on the Bottom SMD GASKET FOR EMI (8*6*9.5T) GASKET on the Bottom SMD GASKET FOR EMI (8*6*12.5T) GASKET on the Bottom...
Page 29 IC603-*1 IC604-*1 IC605-*1 IC606-*1 IC603-*2 IC605-*2 IC606-*2 K4T1G084QE-HCF8 IC604-*2 K4T1G084QE-HCF8 K4T1G084QE-HCF8 K4T1G084QF-BCF8 K4T1G084QE-HCF8 K4T1G084QF-BCF8 K4T1G084QF-BCF8 K4T1G084QF-BCF8 BCM-DDR SSE_1 SSE_1 SSE_1 SSE_2 SSE_1 SSE_2 SSE_2 SSE_2 A1.2V SSE_1 SSE_1 SSE_1 SSE_2 SSE_2 SSE_1 SSE_2 SSE_2 IC900 LGE3558 DM/RDQS DM/RDQS DM/RDQS DM/RDQS DM/RDQS DM/RDQS DM/RDQS...
Page 30 SDA3_3.3V MODEL_OPT_0 MODEL_OPT_4 NO FRC HIGH URSA3 (External) HIGH LG FRC (External, FRC1 or FRC2) HIGH HIGH URSA5 (External) SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS...
Page 31 BCM3558 LVDS/AUDIO IC900 LGE3558 BCM LVDS Terestrial OFDM1 Place close to BCM R1007 OFDM1_SCLK PKT0_CLK LVDS_TX_0_DATA0_P LVDS_TX_0_DATA0_P R1008 OFDM1_SDATA PKT0_DATA LVDS_TX_0_DATA0_N LVDS_TX_0_DATA0_N R1013 EJTAG OFDM1_SYNC LVDS_TX_0_DATA1_P D3.3V PKT0_SYNC LVDS_TX_0_DATA1_P RMX0_CLK LVDS_TX_0_DATA1_N LVDS_TX_0_DATA1_N LVDS_TX_0_DATA2_P RMX0_DATA LVDS_TX_0_DATA2_P RMX0_SYNC LVDS_TX_0_DATA2_N LVDS_TX_0_DATA2_N LVDS_TX_0_DATA3_P LVDS_TX_0_DATA3_P BCM3549_JTAG_TDO C1006 C1007...
Page 32 BCM3558 VIDEO IC900 AUDIO OUT LGE3558 AC20 DS_AGCI_CTL I2S_CLK_IN AD20 R934 DS_AGCT_CTL I2S_CLK_OUT AUD_SCK 88:B3 I2S_SCLK_OUT AA19 EDSAFE_AVSS_1 I2S_DATA_IN AF21 R935 I2S_DATA_OUT EDSAFE_AVSS_2 I2S_DATA_OUT AUD_LRCH 88:B3 AB20 EDSAFE_AVSS_3 I2S_LR_IN AE20 R936 I2S_LRCLK_OUT EDSAFE_AVSS_4 I2S_LR_OUT AUD_LRCK 88:B3 AA24 AC26 HP/BT_LOUT_N 3:E24 EDSAFE_AVSS_5 AUD_LEFT0_N AC25...
Page 33 BCM3558 POWER D1.2V IC900 IC900 LGE3558 D1.2V C1053 C1058 C1062 C1068 C1075 C1081 C1087 C1090 C1096 LGE3558 0.1uF 4.7uF 1000pF 0.01uF 0.1uF 10uF 10uF 33uF 33uF DVSS_1 DVSS_63 DVSS_2 DVSS_64 VDDC_1 DVSS_3 DVSS_65 VDDC_2 DVSS_4 DVSS_66 VDDC_3 DVSS_5 DVSS_67 VDDC_4 DVSS_6 DVSS_68 D1.2V...
Page 34 LOCAL DIMMING [To LED DRIVER] +3.3V_FRC P3503 R3509 12507WR-08L PLACE SERIAL RESISTORS CLOSE TO URSA4 R3510 R3506 M0_SCLK R3507 M0_MOSI R3504 SCL1_3.3V LPB_42/47/55 R3505 SDA1_3.3V LPB_42/47/55 R3508 L_VS R3513 4.7K NON USED L/DIMMING (FOR EDGE_LED) M1_MOSI M1_SCLK M2_MOSI M2_SCLK M3_MOSI M3_SCLK SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
Page 35 VDDC10 +1.5V_FRC_DDR +1.5V_FRC_DDR +1.26V_FRC VDDC10 [SPI FLASH(2Mbit)] +3.3V_FRC L5205 CIC21J501NE PLACE TERMINATION RESISTORS CLOSE TO URSA5 C5210 C5211 C5243 C5225 C5228 C5213 C5244 C5231 C5232 C5234 C5247 C5201 0.1uF 0.22uF 0.1uF 0.1uF 0.1uF 0.1uF 22uF 22uF 0.22uF 0.1uF 0.1uF IC5202 6.3V 6.3V 6.3V...
Page 36 Close to DDR Pin +1.5V_FRC_DDR +1.5V_FRC_DDR +1.5V_FRC_DDR DDR3 1.5V De-Cap Place near Memory Place Close to DDR Pin R5309 R5301 DDR3_MCK C5303 C5304 0.1uF 22uF R5310 MVREFCA Place the serail damping resistors DDR3_MCKB C5315 0.01uF R5302 in the middle of DRAM pattern Place Close to DDR Pin C5301 0.1uF...
Page 37 CORE +1.26V_FRC +1.5V_FRC TYPICAL 980mA TYPICAL 350mA +3.3V_FRC +1.5V_FRC_DDR +3.3V_FRC +12V IC5401 +1.26V_FRC IC5403 R5405 AOZ1072AI-3 AP7173-SPG-13 HF(DIODES) L5403 POWER_ON/OFF2_2 3.6uH R5409 L5402 [EP] NR8040T3R6N PGND LX_2 CIC21J501NE R5414 LX_1 4.3K R5406 3.3K C5406 C5407 R5404 0.1uF AGND R5415 R5407 C5412 C5414 3.9K...
Page 38 URSA5 120Hz LVDS [51Pin LVDS Connector] [41Pin LVDS Connector] (For FHD 120Hz) (For FHD 120Hz) P7700 FI-RE51S-HFK-A FHD_120Hz P7701 FI-RE41S-HFK-A 2D/3D_CTL R7713 FHD_120Hz +3.3V_NORMAL R7705 SDA3_3.3V R7704 SCL3_3.3V R7711 R7703 FRC_RESET 3.3K JEIDA R7709 PWM_DIM R7712 R7708 SCAN_BLK1/OPC_OUT VESA R7707 PANEL_CTL R7706 SCAN_BLK2...
Page 39 L_VS FROM LIPS & POWER B/D R_VS MO_SCLK M2_SCLK MO_MOSI M2_MOSI V_SYNC +24V L8005 +3.5V_ST MLB-201209-0120P-N2 RT1P141C-T112 15V-->3.6V +12V +3.5V_ST Q8002 +5V_NORMAL 20V-->3.5V +3.5V_ST R8068 C8018 C8024 24V-->3.48V 100K 0.1uF R8004 68uF 12V-->3.58V 4.7K NORMAL_26~55 IC8007 ST_3.5V-->3.5V R8000 P8000 MAX 350mA APX803D29 FW20020-24S +12V...
Page 40 +3.5V_ST R8146 C8101 C8102 MICOM_DOWNLOAD 13pF 13pF X8100 10MHz R8138 R8139 X8101 32.768KHz R8175 +3.5V_ST 10Mhz Crystal 4.7M for Debugger SW8100 +3.5V_ST JTP-1127WEM P8100 +3.5V_ST 12505WS-12A00 C8108 0.1uF MICOM_RESET C8103 0.1uF NEC_ISP_Tx NEC_ISP_Rx R8186 1/16W OCD1A EDID_WP OCD1B Q8100 FLMD0 2SC3052 R8104 10K P60/SCL0...
Page 41 +3.5V_ST EYEQ R8225 IR & KEY D8204 NEC_EEPROM_SCL P8200 CDS3C05HDMI1 5.6V 12507WR-15L R8213 R8211 C8213 1000pF L8200 R8209 BLM18PG121SN1D EYEQ KEY1 R8226 L8201 R8210 D8201 BLM18PG121SN1D NEC_EEPROM_SDA 5.6V D8205 KEY2 C8214 AMOTECH CDS3C05HDMI1 1000pF C8206 C8207 5.6V 0.1uF 0.1uF D8200 5.6V AMOTECH +3.5V_ST...
Page 42 * HDMI CEC +3.3V_HDMI +3.3V_NORMAL BODY_SHIELD D8302 D8308 KRC104S HDMI_HPD_4 KRC104S HDMI_HPD_1 L8300 5.5V 5.5V Q8307 Q8305 BLM18PG121SN1D R8321 R8311 5V_HPD4 SHIELD 5V_HPD1 4.7K 4.7K KRC104S KRC104S Q8306 Q8302 5V_HDMI_4 C8324 5V_HDMI_1 +3.5V_ST R8316 R8302 HP_DET 0.1uF HP_DET D8311 D8305 R8317 R8307 5.5V...
Page 43 RGB PC SPDIF OUT IC8401-*1 IC8401-*2 IC8400 +5V_NORMAL AT24C02C-SSHM-T M24C02-RMN6T +3.3V_NORMAL JK8400 74F08D +5V_NORMAL JST1223-001 JP8401 D8409 ENKMC2838-T112 JP8402 Sub1 Sub2 C8401 R8400 0.1uF R8401 JP8400 0IMMRAL014E 0IMMR00014A SPDIF_OUT VINPUT RGB_EDID_ATMEL RGB_EDID_ST RGB_HSYNC D8400 C8400 IC8401 0.1uF RGB_VSYNC R1EX24002ASAS0A FIX_POLE R8402 R8420 8 VCC...
Page 44 +24V +24V_AMP L8803 MLB-201209-0120P-N2 C8827 0.1uF +1.8V_AMP +3.3V_NORMAL CCFL = 20V IC8800 AP1117E18G-13 Edge_LED 32~47 Inch = 20V ADJ/GND Vd=1.4V 120 mA 55 Inch & IOP Module = 24V C8800 C8803 C8802 0.1uF 0.1uF 10uF +24V_AMP SPK_L+ D8800 1N4148W R8812 R8819 L8805 100V...
Page 45 B-CAS (SMART CARD) INTERFACE SIGN51915 +3.3V_NORMAL IC1100 TDA8024TT CLKDIV1 CLKDIV2 : F_CRD_CLK ----------------------------- CLKIN CLKDIV1 AUX2UC CMDVCC STATUS --------------------------------- HIGH HIGH CARD PRESENT HIGH CARD not PRESENT CLKDIV2 AUX1UC R1103 B_CAS_5V_3V_CONTROL 5V/3V I/OUC R1113 SMARTCARD_IO R1114 SMARTCARD_CLK +5V_NORMAL R1110 PGND XTAL2 SMARTCARD_PRES R1111...
Page 46 LNB POWER LNB_POWER_CONTROL +D3.3V_DEMOD +D3.3V_DEMOD +24V +16V_LNB IC1200 MP2403DN-LF-Z [EP]GND I2C ADDRSS : 001 + SLADRS1 + SLADRS0 + 00 : 0FDM1 0X30 XSEL[2:0]=5 SIGN52002 I2C ADDRSS : 001 + SLADRS1 + SLADRS0 + 01 : PSK1 0X32 LOW IF : 4.063 L1208 16MHz XTAL SIGN51987...
Page 48 Circuit noise, mechanical noise F. Exterior error Exterior defect First of all, Check whether there is SVC Bulletin in GCSC System for these model. Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 49 Always check & record S/W Version and Replace Main Board Re-enter White Balance value White Balance value before replacing the Main Board Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 50 No Video/ voltages of Power replace voltage? No audio MAIN B/D Board ( 3.5V,12V, 24V…) Replace Power Board and repair parts Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 51 Check Contact with signal distributor Normal Tuner soldering Picture? or broadcaster (Cable or Air) Normal Picture? Replace Main B/D Close Close Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 52 Request repair for external device/cable RGB/ Check external External device HDMI/DVI device and /Cable Replace Main B/D error cable normal Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 53 External Input, screen? Replace Screen Component, RGB and normal? Main B/D HDMI/DVI by connecting HDMI/ Jig, pattern Generator ,Set-top Box etc. Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 54: Power Error
Measure voltage of each output of Power B/D Normal? ※ Normal Replace Main B/D voltage? Close Normal Check ST-BY 3.5V voltage? ☞A18 Replace Power B/D Replace Power Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 55 Power off by unknown status except listed case "POWEROFF_ABNORMAL1" Power off by abnormal status except CPU trouble Abnormal "POWEROFF_CPUABNORMAL" Power off by CPU Abnormal Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 56: Audio Error
Board Speaker off Cancel OFF Replace Power Board and repair parts Check connection Replace MAIN Board Speaker connection Replace Speaker Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 57 Connect and check Normal External Input other external audio? signal error) device Check and fix external device Check and fix external device Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 58 (Power B/D don’t have problem) If R/C operate, Normal Close Explain the customer operating? cause is interference from light in room. Replace R/C Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 59: Function Error
- S/W Version RGB,HDMI/ Check and fix DVI, Optical Replace Main B/D Fix in external device/cable Recognition error accordance with technical information Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 60 Check and input Replace Error? Replace Replace Error? signal? signal LVDS cable (51p) FRC B/D Main B/D Replace external device or contents Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 61 ※ Describe the basis of the description in (For models without any fix information, provide “Part related to nose” in the Owner’s Manual. the description) Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 62 Zoom part with Module Replace module exterior damage damage Cabinet Replace cabinet damage Remote controller Replace remote controller damage Stand Replace stand dent Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 63 Defected Type caused by T-Con/ Inverter/ Exchange Module itself (1) A-2/3 Module Exchange Module itself (2) A-3/3 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Continue to the next page Only for training and service purposes LGE Internal Use Only...
Page 64 Voltage and speaker checking method in case of audio/discontinuation audio error D. Function error_ No response in remote Remote controller operation checking method controller, key error Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 65: 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. Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 66 Check the DC 24V, 12V, 3.5V and Inverter on ALEF LED P202 P203 6~10 6~10 Error Error Inverter ON Inverter ON A-dim A-dim P-dim P-dim Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only A2-2...
Page 67 3. After recording the R, G, B (GAIN, Cut) value of Color Temp (Cool/Medium/Warm), re-enter the value after replacing the MAIN BOARD. Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 68 3.5V 3.5V Inverter ON Lamp : A-dim LED : NC PWM Dim #1 Error-out (Lamp SCANNING 모델: PWM Dim #2) Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only A4-1...
Page 69 Inverter On/off Lamp : A-Dim LED : N.C PWM Dim #1 Error-out • Lamp SCANNING Model : PWM Dim #2 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only A4-2...
Page 70 TUNER input signal strength checking method date <ALL MODELS> MENU signal test select channel When the signal is strong, use the attenuator (-10dB, -15dB, -20dB etc.) Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 71 <ALL MODELS> 1. Checking method for remote controller for adjustment Version Press the IN-START with the remote controller for adjustment Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 72 A. Video error _Vertical/Horizontal bar, Established 2011.01.20 symptom date residual image, light spot LCD TV Revised Content LCD TV connection diagram (1) date (D5 Input) Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 73 1. Check the signal strength or check whether the screen is normal when the external device is connected. 2. After measuring each voltage from power supply, finally replace the MAIN BOARD. Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 74 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) Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 75 Appendix : Exchange PSU(LED driver) No Light Dim Light Dim Light Dim Light No picture/Sound Ok Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. A - 1/3 Only for training and service purposes LGE Internal Use Only...
Page 76 Panel Mura, Light leakage Press damage Crosstalk Press damage Crosstalk Un-repairable Cases In this case please exchange the module. Press damage Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. A - 2/3 Only for training and service purposes LGE Internal Use Only...
Page 77 Un-repairable Cases In this case please exchange the module. Horizontal Block Gate TAB IC Defect Gate TAB IC Defect Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. A - 3/3 Only for training and service purposes LGE Internal Use Only...
Page 78 Check front display LED date Front LED control : Menu Option Power Indicator Standby light ON ST-BY condition: Red Power ON condition: white Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 79 LED : NC PWM Dim #1 Edge LED Error-out Edge LED 42 PSU 32 PSU (Lamp Scanning Model : PWM Dim #2) Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 80 LED : NC PWM Dim #1 Error-out Edge LED (Lamp Scanning Model Edge LED 42 PSU 32 PSU : PWM Dim #2) Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 81 Entry method 1. Press the IN-START button of the remote controller for adjustment 2. Check the entry into adjustment item 3 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 82: Checking Method
1. Press the MENU button on the remote controller 2. Select the AUDIO function of the Menu 3. Select TV Speaker from Off to On Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 83 Chik Chik sound when you touch the GND and output terminal, the speaker is normal. INV_ON PWM_DIM ERROR_OUT Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 84 4. When checking the Pre-Amp when the power is in ON condition, it is normal when the Analog Tester needle moves slowly, and defective when it does not move at all. Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 85 54.000MHz at SIDE at SIDE HP DIFF L/R TPA6132 NVRAM SCL, SDA_3.3V HP Phone JACK I2C_3(0xA8) 3.3V 3.3V Side CVBS (Gender) Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 86 Digital AMP (M24C16) (uPD78F0513) (NTP7000) NEC_EEPROM I2C_1(0x52) I2C_1(0x54) D3.3V D3.3V _SCL/SDA NEC_EEPROM_SDA SCL3_3.3V / SGPIO_06 SDA3_3.3V / SGPIO_07 NVRAM (M24M01) I2C_3(0xA8) Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 87: Memory Size
SUB MICOM 2Kbit (256B) EEPROM R1EX24002ASAS0A RENESAS RGB EDID 1Gbit (64MB) DDR3 H5TQ1G63DFR-PBC Hynix URSA5 2Mbit (256KB) Serial Flash W25X20BVSNIG WINBOND URSA5 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...

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Summary of Contents for LG 32LW5700

Page 3: Ac Volt-Meter

Page 54: Power Error

Page 56: Audio Error

Page 59: Function Error

Page 65: Video/Normal Audio

Page 82: Checking Method

Page 87: Memory Size

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