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AOC LE32M1475/65 Service Manual
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AOC LE32M1475/65 Service Manual

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Service Manual
LE32M1475/65
LE42M1475/65
LE49M1475/65
Product Specification Sheet (P1-3)
User Manual part (P4-25)
Factory Pattern Adjustment(P26-27)
Troubleshooting Procedure (P28-33)
Software Upgrades (After Service )(P34-38)
Circuit Diagrams (P39-66):
MSD6308-T4C1: LE32M1475/65 (P39-48)
MSD6308-T8C2: LE42M1475/65(P49-57)
MSD6308-T8E: LE49M1475/65(P58-66)
(32L82F-ISDB)
(42L82B-ISDB)
(49L91F-ISDB)

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Summary of Contents for AOC LE32M1475/65

  • Page 1 Service Manual LE32M1475/65 (32L82F-ISDB) LE42M1475/65 (42L82B-ISDB) LE49M1475/65 (49L91F-ISDB) Product Specification Sheet (P1-3) User Manual part (P4-25) Factory Pattern Adjustment(P26-27) Troubleshooting Procedure (P28-33) Software Upgrades (After Service )(P34-38) Circuit Diagrams (P39-66): MSD6308-T4C1: LE32M1475/65 (P39-48) MSD6308-T8C2: LE42M1475/65(P49-57) MSD6308-T8E: LE49M1475/65(P58-66)

  • Page 2: Product Specification Sheet

    Product Specification Sheet Basic information Model name LE32M1475/65 LE42M1475/65 LE49M1475/65 32L82F 42L82B 49L91F Platform MSD6308 MSD6308 MSD6308 Display Backlight Type DLED DLED DLED OC supplier Innolux Panel Frequency (Native) 60HZ 60HZ 60HZ Chassis Frequency 60HZ 60HZ 60HZ 800:1 (Min) 3500:1 (Min)
  • Page 3 Basic information Model name LE32M1475/65 LE42M1475/65 LE49M1475/65 32L82F 42L82B 49L91F Platform MSD6308 MSD6308 MSD6308 Connectivity (I/O) HDMI 1.4 (1 x side) HDMI 1.4 (1 x side) HDMI connections HDMI 1.4 (2 x side) HDMI 1.4 (2 x down) HDMI 1.4 (2 x down) USB connections USB2.0 (1 x side)
  • Page 4 Basic information Model name LE32M1475/65 LE42M1475/65 LE49M1475/65 32L82F 42L82B 49L91F Platform MSD6308 MSD6308 MSD6308 Air(Terrestrial digital): CH7~ CH69 Air(Terrestrial digital): CH7~ CH69 Air(Terrestrial digital): CH7~ CH69 Singal Receiving Frequency 177~ 803MHz 177~ 803MHz 177~ 803MHz Singal Sensitivity -73.8dBm ~ -12dBm -73.8dBm ~ -12dBm...
  • Page 27 Factory Pattern Adjustment Factory menu entry: Press MENU, and then press 1999 Primary menu Secondary menu Value,remark MDOE VGA,YPBPR,Selection R-GAIN G-GAIN B-GAIN Front-end gain adjustment ADC ADJUST R-OFFSET G-OFFSET B-OFFSET Clamp level adjustment AUTO ADC ADC automatically adjust Input Source Source Selection MODE Dynamic/Standard/Sotf/User...
  • Page 28 Vif 3 Vif set Qmap adjsut PQ setting PEQsetting OverScan Overscan_resolution Reselution select Overscan_hsize Adjust overscan H size Overscan_hposition Adjust overscan H position Overscan_vsize Adjust overscan V size Overscan_vposition Adjust overscal V position other Test pattern UART DEBUG DEBUG ON/OFF HDMI CEC/ARC CEC/ARC ON/OFF Backlight...

  • Page 29: Troubleshooting Procedure

    Page of 14 Troubleshooting Procedure 1. No power Check 220V power supply voltage and the contact of power socket Check AC（220V）voltage and the contact of CN101 socket. Check +5V and +12V output from Replace power cord or power embedded power supply for abnormity socket Abnormal output voltage +5V and +12V from Check +5V and +12V on...
  • Page 30 3. Protection or without light (refers to the disappearance of image several seconds after the emergence of image) image disappeared immediately after emergence; check the plug of high-voltage switch board for striking sparks and poor contact No problems identified, replace high-voltage If there is spark striking, board;...
  • Page 31 5. White screen after power-off (work normally when power on, but when power-off or no signal input, the screen shows a white screen) Check whether there is change of voltage at the high voltage board controlled by main board when power-on and power-off Check whether the voltage change of the control pins on Check whether the voltage of the pin on main chip the plug interface of high voltage board is normal when...
  • Page 32 7. Poor sound Poor sound refers to without sound or with noise; check whether the selection of sound system is proper Switch to other audio input, check whether DVD No sound; check whether remote control mute is input and PC main board input has sound selected and switch sound system No sound for other inputs;...
  • Page 33 9. Poor embedded power supply of TV Power on, check embedded power supply 5VSB in TV for 5V voltage output High electrical level existed at Check power supply line for looseness, check indictor for STB (higher than 2.5V) working and power supply socket for looseness Check +5V ，...
  • Page 34 glass of the pressed portion is not damaged, the liquid crystal body can not display normally, with spot or block black defect. 10.6 Screen mess: irregular color display arising from damage of driving plate in LCD.
  • Page 35 MSD6308 Program Software Burning Instruction 1. Connect burning board and computer; connect burning board and waiting burning main board VGA socket with VGA connecting wire. burning board To PC USB interface To main board VGA interface ， if the hint 2.
  • Page 36 4. Sorting set the burning board terminal and computer interface make sure the two are all set as automatic connecting. （same as above）.
  • Page 37 Burning board terminal and 烧录板的端口排序必须为 has to be the same as 电脑里的排序一致 sorting set in PC. 6. Click view in toolbar in the main menu, click the second( count backwards) view in main toolbar and the “ Eagle second(count backwards) NAND Program”...
  • Page 38 Follow these instructions to load the appropriate file Load suffix file .txt Load 050B-Tool.bin file Load RomBoot.bin file Make sure loading right, click here to start burning. When toolbar shows： Success .Please reset power. That means burning finished (Notice： Although the hint shows...
  • Page 39 complete but it may not be burning completed, wait for 5 minutes to shut off power. If U disk cannot be used for burning, boot file should be burning again until U disk can be used for upgrading. ）. After prompting success, then click POWER on button panel to check whether main board can be starting on, if it can be started...
  • Page 40 LE32M1475/65 MSD6308-T4C1四合一板ISDB(带GINGA)数模一体电视原理图 VER:A1.0 2015-11-26 PAGE Content Index&History Rev Block Diagram Power & LED Driver System Power MSD6308 HDMI page Video&VGA&USB page Amplify &LVDS page Tuner page NAND Flash page History Rev Author DATE Description 11/26/2015 Ver:A1.0 First Version Release ZHQING...
  • Page 41 单通道输出900mA BOOST转换电路 12V_NORMAL RESET 40P LVDS 屏电压 SPK-L Audio AMP TPA3110LD2 12V_NORMAL TUNER_3.3V TUNER PWR SPK-R MOS管控制 AS1117 12V OUTPUT 输出滤波电路 BL-ADJUST 整流 DC/DC转换 1.15V VDDC PWR DC-DC 12V to 5V DC-DC DDR PWR DDR PWR 1.5V MSD6308 DC-DC 3.3V_Standby PWM 控制...
  • Page 42 +12V SB5T100 SB5T100 SB5T100 SB5T100 D4KB8 4A800V整流桥 D4KB8 4A800V整流桥 PT2A PT2A SB5T100 SB5T100 PEC5 PEC5 PC27 PC27 68uF/450V 68uF/450V PEC3 PEC3 PEC4 PEC4 PEC2 PEC2 470PF/1KV 470PF/1KV 1UF/25V 1UF/25V 100nF/25V 100nF/25V 47Ω 47Ω 1000uF/16V 1000uF/16V 1000uF/16V 1000uF/16V 1000uF/16V 1000uF/16V EQ2514 EQ2514 PGND 47Ω...
  • Page 43 DC/DC 12V TO 5V Power 3.3V_Normal PQ112 PQ112 +5V_Standby +5V_Normal 3.3V_STB ME2325 ME2325 MAX 3A +12V PR60 10R PR60 10R +5V_Standby PL6 4.7uH/3A PL6 4.7uH/3A PC165 PC165 PR57 100K PR57 100K DCDC_EN PC21 PC21 SOT23 EN/SYNC 0.1uF 0.1uF PR228 PR228 0.22uf 0.22uf C144...

  • Page 44: Power&Gnd

    video NAND & CI & TS & Front End POWER&GND Close to MST IC U201E U201E RGB Interface with wide trace RIN0 MDI_RN RIN0P MDI_RN GIN0N MDI_RP GIN0M MDI_RP R201 R201 C201 C201 47nF 47nF RIN0 GIN0 MDI_TN VGA-R GIN0P MDI_TN U201B U201B...
  • Page 45 HDMI3 (带ARC功能） P501 P501 HDMI3-RX2P DATA2+ HDMI3_RX2P 5 HDMI3/5V DATA2 SHIELD HDMI3-RX2N HDMI3_RX2N 5 DATA2- HDMI3-RX1P HDMI3/5V DATA1+ HDMI3_RX1P 5 DATA1 SHIELD HDMI3-RX1N R504 R504 DAT1A- HDMI3_RX1N 5 HDMI3-RX0P R505 R505 DATA0+ HDMI3_RX0P 5 DATA0 SHIELD HDMI3-RX0N R509 R509 R507 R507 DATA0- HDMI3_RX0N 5...
  • Page 46 USB2.0 INTERFACE CN311 CN311 AV-IN USB_4P USB_4P USB ESD分布电容要求<2pF +5V_USB Note:5.1R电阻靠近端子,减小ESD. R612 R612 HD-LIN USB0-DM USB0_DM USB0_DM 5 USB0-DP USB0_DP USB0_DP 5 R613 R613 HD-RIN D801 D801 D803 D803 SHIELD R608 R608 R616 R616 R617 R617 SHIELD AV IN AV IN NC/1pF NC/1pF NC/1pF...
  • Page 47 功放放大倍数调节 SHUTDOWN AMP_12V +12V_NORMAL GAIN1(PIN6) GAIN0(PIN5) AMP GAIN(db) AMP_12V AMP_12V R289 R289 AMP_MUTE 3904 3904 L:ON L203 L203 H:MUTE R261 R261 R243 R243 D205 D205 0805_BEAD 0805_BEAD L204 L204 +5V_Standby 1N4148 1N4148 C169 C169 C301 C301 C297 C297 C271 C271 R249 R249 100k...
  • Page 48 +3.3V_TU +3.3V_TU 10uF/6.3V 10uF/6.3V 10uF/6.3V 10uF/6.3V 270nH 270nH 270nH 270nH RF_REF 0.1uF 0.1uF IF-IN+ TUNER_CONNECTOR TUNER_CONNECTOR IF_P 39pF 39pF RF_IP 47pF 47pF 0.1uF 0.1uF IF-IN- IF_N 39pF 39pF Si2151 Si2151 RF_IN 270nH 270nH 270nH 270nH XTAL_I 180nH 180nH CON1 CON1 XTAL_O BAV99 BAV99...

  • Page 49: Nand Flash

    NAND FLASH NAND Power +3.3V_Normal +3.3V_Nand +3.3V_Nand +3.3V_Nand +3.3V_Nand U1202 U1202 NANDFLASH1G NANDFLASH1G C1203 C1203 C1204 C1204 C1205 C1205 2.2uF 2.2uF 0.1uF 0.1uF NC0/VCC NC28/VSS NC/0.1uF NC/0.1uF NC1/VSS NC27 R1225 R1225 NC26 NC25 NAND-D7 NAND-D6 NC5/R/B2 NAND-RBZ NAND-D5 NAND-REZ NAND-D4 NAND-CEZ NAND-DQS R1242...
  • Page 50 MSD6308.T8C2 Circuit Diagrams LE42M1475/65 Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω 电源部分(AC---DC) Ω Ω Ω Ω SR5200 SR5200 +30V PD12 PD12 Ω Ω Ω Ω PL15 PL15 Ω Ω SR5200 SR5200 PL19 PL19 PL18 PL18 PD14...
  • Page 51 电源输入 DC/DC 12V TO 5V Power 3.3V_Normal Q113 Q113 3.3V_STB MAX 3A +5V_Standby +5V_Normal +12V_NORMAL ME2325 ME2325 +5V_Standby 4.7uH/3A 4.7uH/3A 100K 100K DCDC_EN EN/SYNC R221 R221 0.1uF 0.1uF C162 C162 SOT23 100K 100K U110 U110 U104 U104 1117-3.3V 1117-3.3V 1117-3.3V 1117-3.3V DCDC_FB 350mA Max...
  • Page 52 video NAND & CI & TS & Front End POWER&GND Close to MST IC U201E U201E RGB Interface with wide trace RIN0 MDI_RN RIN0P MDI_RN GIN0N MDI_RP GIN0M MDI_RP R201 R201 C201 C201 47nF 47nF RIN0 GIN0 MDI_TN VGA-R GIN0P MDI_TN U201B U201B...
  • Page 53 HDMI3 (带ARC功能） P501 P501 HDMI3-RX2P DATA2+ HDMI3_RX2P HDMI3/5V DATA2 SHIELD HDMI3-RX2N DATA2- HDMI3_RX2N HDMI3/5V HDMI3-RX1P DATA1+ HDMI3_RX1P DATA1 SHIELD HDMI3-RX1N R504 R504 HDMI3_RX1N DAT1A- HDMI3-RX0P R505 R505 DATA0+ HDMI3_RX0P DATA0 SHIELD HDMI3-RX0N R509 R509 R507 R507 DATA0- HDMI3_RX0N HDMI3-CLKP HDMI3-HPD CLK+ HDMI3_CLKP CLK SHIELD...
  • Page 54 YPBPR & AV USB2.0 INTERFACE CN311 CN311 R601 R601 AV-IN R602 R602 VIDEO YPbPr-Y SCART-AV-IN USB ESD分布电容要求<2pF USB_4P USB_4P +5V_USB Note:5.1R电 阻 靠 近 端 子 ,减 小 ESD. YPbPr-PB SCART-AuLin USB0-DM R801 R801 5.1R 5.1R USB0_DM USB0_DM YPbPr-PR USB0-DP R802 R802 5.1R...
  • Page 55 功放放大倍数调节 R290 R290 HP_MUTE SHUTDOWN AMP_12V GAIN1(PIN6) GAIN0(PIN5) AMP GAIN(db) 12V_1 AMP_12V AMP_12V R289 R289 AMP_MUTE 3904 3904 L:ON L203 L203 H:MUTE R261 R261 R243 R243 D205 D205 0805_BEAD 0805_BEAD L204 L204 +5V_Standby 1N4148 1N4148 C169 C169 C301 C301 C297 C297 C271 C271...
  • Page 56 TDA18275 +3.3V_TU +3.3V_TU +3.3V_TU 4.7K 4.7K TUNER CASE 4.7K 4.7K R1017 R1017 IF-AGC C1027 C1027 6.8nF 6.8nF U1004 U1004 TUNER_CONNECTOR TUNER_CONNECTOR CON1 CON1 IF-IN+ C1034 C1034 0.1uF 0.1uF RF_GND IF_A_N C1035 C1035 C1031 C1031 C1033 C1033 0.1uF 0.1uF IF-IN- RFIN IF_A_P J1 25X21mm屏蔽罩...
  • Page 57 NAND FLASH NAND Power +3.3V_Normal +3.3V_Nand +3.3V_Nand +3.3V_Nand +3.3V_Nand U1202 U1202 NANDFLASH1G NANDFLASH1G C1203 C1203 C1204 C1204 C1205 C1205 2.2uF 2.2uF 0.1uF 0.1uF NC0/VCC NC28/VSS NC/0.1uF NC/0.1uF NC1/VSS NC27 R1225 R1225 NC26 NC25 NAND-D7 NAND-D6 NC5/R/B2 NAND-RBZ NAND-D5 NAND-REZ NAND-D4 NAND-CEZ NAND-DQS R1242...

  • Page 58: Card Detect

    PCMCIA PCMCIA POWER P1301 P1301 PCMCIA PCMCIA PCM_CD1_N PCM_D3 CD1# TS0_D3 PCM_D4 MDO3 TS0_D4 PCM_D5 MDO4 TS0_D5 PCM_D6 MDO5 +5V_Normal +5V_PCMCIA TS0_D6 PCM_D7 MDO6 TS0_D7 PCM_CE_N MDO7 CE1# PCM_A10 L106 L106 CE2# PCM_OE_N DVB FB/60R/300mA DVB FB/60R/300mA VS1# PCM_IORD_N PCM_A11 L0603 L0603 IORD#...
  • Page 59 MSD6308RT.T8E Circuit Diagrams LE49M1475/65 5V_STB/2A AMS1117-3.3V 3.3V_STBY/400MA SWITCH 5V_MHL/1A DDR POWER IN 1.5V_DDR/300MA 1117ADJ 5V_Normal 1.15V/3A SY8003 MSDXXX 5V_Normal/3A 5V_Normal AMS1117-3.3V 3.3V_Normal/350MA POWER 5V_Normal 1.2V Demo/250MA Socket 1117ADJ 5V_Normal AMS1117-3.3V 3.3V_TU/300MA 5V_Normal FUSE 5V_USB/1A VCC_Pannel /1.5A 12V_Normal 12V/2A MSB9010 HDMI1(MHL) HDMI输入X3 HDMI2 NAND_FLASH...
  • Page 60 电源输入 Connetor +5V_Normal C107 470uF/16V C107 470uF/16V +5V_Standby +5V_Standby +5V_Standby DC/DC 1.2V Core Power CN103 CN103 12pin/2.0MM 12pin/2.0MM 1.15V MAX 3A C137 0.1uF C137 0.1uF PM5V PM5V R124 R124 R108 R108 +5V_Standby C140 C140 +5V_Standby 5VSB C121 C121 1.15V +5V_Normal 0.1uF 0.1uF 100uF/16V...
  • Page 61 video NAND & CI & TS & Front End POWER&GND Close to MST IC U201E U201E RGB Interface with wide trace RIN0 MDI_RN RIN0P MDI_RN GIN0N MDI_RP MDI_RP GIN0M R201 R201 C201 C201 47nF 47nF RIN0 GIN0 MDI_TN VGA-R GIN0P MDI_TN U201B U201B...
  • Page 62 HDMI3/5V HDMI3 (带ARC功能） R509 R509 R507 R507 P501 P501 ED6 ESD/NC ED6 ESD/NC HDMI3-RX2P DATA2+ HDMI3_RX2P HDMI3-RX2P HDMI3-RX2P DATA2 SHIELD HDMI3-RX2N HDMI3-RX2N HDM3-RX2N HDMI3-SCL R512 R512 DATA2- HDMI3_RX2N HDMI3_SCL HDMI3-RX1P HDMI3-RX1P HDMI3-RX1P HDMI3-SDA R515 R515 DATA1+ HDMI3_RX1P HDMI3_SDA HDMI3-RX1N HDMI3-RX1N DATA1 SHIELD HDMI3/5V HDMI3-RX1N...
  • Page 63 YPBPR & AV SCART（选配功能） USB2.0 INTERFACE CN311 CN311 NC/CN309 NC/CN309 SCART SCART R601 R601 R603 R603 AV-IN SC1_FSO R602 R602 AV-LOUT SCART-FB YPbPr-Y SCART-FB L_OUT 0-2v: TV USB ESD分布电容要求<2pF USB_4P USB_4P SCART-R +5V_USB SCART-R SCART-G Note:5.1R电 阻 靠 近 端 子 ,减 小 ESD. Mode YPbPr-PB SCART-G...
  • Page 64 功放放大倍数调节 R290 R290 HP_MUTE SHUTDOWN AMP_12V GAIN1(PIN6) GAIN0(PIN5) AMP GAIN(db) +12V_NORMAL AMP_12V AMP_12V R289 R289 AMP_MUTE 3904 3904 L:ON L203 L203 H:MUTE R261 R261 R243 R243 D205 D205 0805_BEAD 0805_BEAD L204 L204 +5V_Standby 1N4148 1N4148 C169 C169 C301 C301 C297 C297 C271 C271...
  • Page 65 TUNER CASE TDA18275 +3.3V_TU +3.3V_TU TUNER_CONNECTOR TUNER_CONNECTOR +3.3V_TU 4.7K 4.7K 4.7K 4.7K IF-AGC R1017 R1017 C1027 C1027 6.8nF 6.8nF U1004 U1004 IF-IN+ C1034 C1034 0.1uF 0.1uF RF_GND IF_A_N AMS1117L-3.3 AMS1117L-3.3 C1035 C1035 C1031 C1031 C1033 C1033 0.1uF 0.1uF IF-IN- RFIN IF_A_P 310mA Max 82pF...
  • Page 66 NAND FLASH NAND Power +3.3V_Normal +3.3V_Nand +3.3V_Nand +3.3V_Nand +3.3V_Nand U1202 U1202 NANDFLASH1G NANDFLASH1G C1203 C1203 C1204 C1204 C1205 C1205 2.2uF 2.2uF 0.1uF 0.1uF NC0/VCC NC28/VSS NC/0.1uF NC/0.1uF NC1/VSS NC27 R1225 R1225 NC26 NC25 NAND-D7 NAND-D6 NC5/R/B2 NAND-RBZ NAND-D5 NAND-REZ NAND-D4 NAND-CEZ NAND-DQS R1242...
  • Page 67 PCMCIA PCMCIA POWER P1301 P1301 PCMCIA PCMCIA PCM_CD1_N PCM_D3 CD1# TS0_D3 PCM_D4 MDO3 TS0_D4 PCM_D5 MDO4 TS0_D5 PCM_D6 MDO5 +5V_Normal +5V_PCMCIA TS0_D6 PCM_D7 MDO6 TS0_D7 PCM_CE_N MDO7 CE1# PCM_A10 L106 L106 CE2# PCM_OE_N FB/60R/300mA FB/60R/300mA VS1# PCM_IORD_N PCM_A11 L0603 L0603 IORD# PCM_IOWR_N PCM_A9...

This manual is also suitable for:

Le42m1475/65Le49m1475/6532l82f-isdb42l82b-isdb49l91f-isdb