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Servive Manual for LE32S1865
Product Specification sheet....Page 1-2
User Manuel Part...............Page 3-16
Fatory Mode Adjustment.........Page 17-19
Troubleshooting Procedure......Page 20-25
Software Upgrades..............Page 26-36
Main Board Circuit Diagram.....Page 37-45
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Summary of Contents for AOC LE32S1865
- Page 1 Servive Manual for LE32S1865 Product Specification sheet..Page 1-2 User Manuel Part....Page 3-16 Fatory Mode Adjustment..Page 17-19 Troubleshooting Procedure..Page 20-25 Software Upgrades....Page 26-36 Main Board Circuit Diagram..Page 37-45...
- Page 2 Description LE32S1865/55 32S91F-DVB HD DLED Smart TV Region Columbia Size and backlight 32" DLED Resolution HD 1366x768, Widescreen 16:9 Aspect Ratio Refresh Rate 60Hz Brightness 200~240cd/m2(max:240cd) Panel ≥200,000:1 Dynamic Contrast Ratio Response Time Horizontal: 176 Degrees Viewing Angle Vertical: 176 Degrees...
- Page 3 Containers AVI, MKV, H.264, MPEG-1, MPEG-2, MPEG-4,Motion JPEG Video support dat, mpg, mp4, mjpeg, ts,trp, mkv、avi Screen adjustment format Widescreen, 4:3, Movie 16:9,Subtitle Zoom Features Treble Bass Sound Enhancement Virtual Surround up to 1920 x 1080 @ 60hz Computer inputs (anything larger than display size will be reduced to HD format) Video inputs 24,25,30,50,60Hz up to 1920x1080p...
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Page 18: Adc Adjust
Enter into factory menu by signal source+left-right-left-right Level 1 menu Level 2 menu Level 3 menu Value ，note Factory reset initialization Factory reset EEPROM Settings Aging mode Preset channel power-up Secondary/Memory/ mode Direct Are you sure Mboot Upgrade ? Update Mboot upgrade 选项：confirm/Cancel Are you sure... - Page 19 Sharpness Definition Backlight Brightness Test Pattern OSD_0 Various curve adjustment OSD_25 Non_linear OSD_50 OSD_75 OSD_100 Repetition rate adjustment Source Various signal source H size H adjustment OverScan H position The center position of horizon V size Field adjustment V position The center position of field PEQ adjustment；...
- Page 20 Software version Barcode code...
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Page 21: 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 22 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 23 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 24 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 25 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 26 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 27 Net Work TV MSD6A628 software upgrading (After service) 1, software upgrade tools and materials * PC (WINDOWS XP system, USB2.0) * AC100 ~ 240V power supply and power cord * ISP programming board and cable * ISP programming board driver * USB flash drive (version 2.0, the capacity is not more than 2G) * Upgrade software and boot files 2, preparation before upgrade.
- Page 28 YPbPr(SD)and Wite donw YPbPr(HD)value before upgrade and wite down VGA mode R/G/B-GAIN and R/B/G-OFFSET value ， change back to original value after software upgrade finished . 1. In Android system main interface, move cursor to “network” -- “Ethernet” item, click mouse left button to get into , record MAC address.
- Page 29 TV display tip Press OK button to upgrade Method 2: Insert U disk into TV main board or programming fixture board USB interface , long press VOL + key, then power on TV ( main board ) , after about five seconds the TV ( remote control panel ) indicator fast when flashing , indicating that the TV is being upgraded , after the light is not blinking on and off ( this process is time-consuming depending on the size of the main board software , the greater the file the longer the software upgrade , the upgrade takes roughly three minutes when the board software has 270M , 500M needs four minutes ) , means upgrade is complete .
- Page 30 upgrade boot files of each board must be upgrade first. 3. If the above two methods cannot upgrade, using programming board online upgrade following the instructions: 5, Programming board driver installation. Use programming board online upgrade, programming board driver program has to be installed to PC, see the following operation instructions.
- Page 31 3. after PC finds driver file, below information will be prompted during installation, click on , remains can be installed, the system will install the driver process three times , namely : Mstar USB Debug Tool A; Mstar USB Debug Tool B; Mstar USB SerialPort , install the three drives in order ! 6.
- Page 32 To personal PC USB interface main board socket 2. Double-click to run MStar ISP Utility v4.6.t2.exe, click the "Auto" icon on the main toolbar under the type selected for eMMC. 3. Click the "Read" button in the main toolbar under load in EISP Loader File1 munim_EISP_boot _ ** _ **. Bin, in EISP Read File1 load rom_emmc_boot.bin, in EISP Loader File2 load munim_EISP_user _ ** _ **.
- Page 33 4. Click on the main toolbar "Config" button , the interface is set up according to the pictures of their respective settings. 5. Click on the main toolbar "Connet" button at the top of the tab bar to run the program will display [ Device Type eMMC ] .
- Page 34 Click “Connet” button under tool bar, running program top part will show 【Device Type eMMC】 After click“Stop/Run”button， if interface lower right corner shows “Connecting..” and tab bar shows as “ 【Device Type eMMC】 “ means connecting is failed or current main board can only us U disk to upgrade.
- Page 35 Programming Execute button progress result Programming progress bar will scroll now, after programming is finished, it will show “Pass” 。 7, Main board driver upgrade. 1. U disk formatted as FAT32 format, and then upgrade the software ( software name is MstarUpgrade, suffix is bin) put in U disk .
- Page 36 2. Completed initialization within three minutes after inserting VGA signal wire and powering on machine (automatically initializes started after factory menu reset is ) switch to VGA signal source . Press the MENU key to pop up the main menu, and then followed by 8202 the number keys to enter the factory menu, press the Shift key to "ADC ADJUST"...
- Page 37 Press right and left key to execute self adjusting order , SUCCESS is OK ，FAIL is failure ( need to re adjusting) 4. Under YPbPb signal source , input 720P 100% color bar signal to machine. Afater pressing NEMU pop-up main menu, then followed by 8202 the number keys to enter the factory menu , select ADC ADJUST item , press the OK button to enter the next menu , press the left / right keys to move the cursor to select YPbPr (HD) key, then press down keys to move the cursor to the AUTO TUNE key and press the OK button to execute the self-adjusting color commands.
- Page 38 单通道输出900mA BOOST转换电路 3.3V_NORMAL 12V_NORMAL AS1117 RESET 40P LVDS TUNER_3.3V SPK-L 屏电压 TUNER PWR Audio AMP AS1117 TPA3140D2 12V_NORMAL SPK-R 12V OUTPUT 1.28V MOS管控制 12V转5V VDDC_CPU PWR 输出滤波电路 整流 DC-DC DC/DC转换 DC-DC 1.15V VDDC PWR DC-DC 5V_NORMAL DDR PWR DDR PWR 1.5V DC-DC MSD6A628 5V_STANDBY...
- Page 39 VO=21V~~30.4V +12V IO=900MA +12V PD10 PD10 SR5100 SR5100 47uH/15x15mm 47uH/15x15mm SR5100 SR5100 LED+ SR5100 SR5100 PR15 PR15 PC22 PC22 PT1A PT1A SR5100 SR5100 PEC5 PEC5 BL-ADJUST 1UF/25V 1UF/25V PC27 PC27 AOD4286 AOD4286 PD16 PD16 1N4148 1N4148 PR11 PR11 68uF/450V 68uF/450V PEC3 PEC3 PEC4...
- Page 40 VDDC DC/DC +5V_Normal +12V_Normal 开机初始电压保证到IC pin 为1.15V！ VDDC_1.15V VDDC VDDC_VSENSE Inverter controler 100K 100K U6_EN EN/SYNC 0.1uF 0.1uF SPM65301R5/5A SPM65301R5/5A 0R/NC 0R/NC BL-ADJUST BL-ADJUST VDDC_VSENSE BRI_ADJ 4.7K 4.7K MP2225 MP2225 6.2K_1% 6.2K_1% 240R_1% 240R_1% 2.2uF/DC 2.2uF/DC 3904 3904 0.1uF 0.1uF 0.1uF 0.1uF NC/10K...
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Page 41: Source Input
HDMI GPIO Pull Up/Down PCMCIA & TS HDMI Interface +3.3V_Normal U201D U201D U201C U201C U201A U201A M_SCL R189 R189 4.7K 4.7K HDMI1-RX0N USB0_D- 4,10 M_SCL HDMI1-RX0N M_SDA R191 R191 4.7K 4.7K RX0N DM_P0 USB0_D- HDMI1-RX0P USB0_D+ 4,10 M_SDA TS0_D[0] PCM_A[0] HDMI1-RX0P RX0P DP_P0... - Page 42 此Bead 一定要靠近DC-DC输出端！电容靠近IC端！ AVDDL_MOD VDDC AVDDL_MOD U201F U201F FOR VB1 AVDDL_PREDRV AVDDL_MOD L207 L207 AVDDL_PREDRV AVDDL_MOD +3.3V_Standby C251 C251 C288 C288 Heat Sink AVDDL_MOD DVDD_DDR 0.1uF 0.1uF AVDDL_RX_USB3 AVDD33_LAN AVDD_AU33 AVDDL_TX_USB3 AVDD3P3_DADC AVDD_EAR33 DVDD_DDR AVDD_NODIE DVDD_DDR DVDD_RX_1 AVDD3P3_DMPLL DVDD_RX_2 AVDD_AU33 C268 0.1uF C268 0.1uF 放到IC背部，预留...
- Page 43 Panel_VCC Net to other page CN401 CN401 40PIN/2.0mm 40PIN/2.0mm R7_RXO0- RXO0- RXO0- R6_RXO0+ RXO0+ RXO0+ R5_RXO1- RXO1- R4_RXO1+ RXO1- RXO1+ R3_RXO2- DIF IN&OUT RXO1+ RXO2- R2_RXO2+ P_PWM RXO2+ R1_RXOC- RXOC- RXO2- VBY0N B3_RXE4- B2_RXE4+ R0_RXOC+ RXOC+ RXO2+ VBY0P IF-IN- VIFM B3_RXE3- B2_RXE3+ G7_RXO3-...
- Page 44 +3.3V AVDD33 VDD33 +1.15V XTAL_IN 30pF 30pF +3.3V Close to Demod. RESETn XTAL-24MHz XTAL-24MHz 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF XTAL_OUT 30pF 30pF Demod_RST Close to Demod. 10uF/6.3V 10uF/6.3V +3.3V D_SCL TS_D6 I2CS_SCL...
- Page 45 USB INTERFACE CON601 CON601 USB ESD分布电容要求<2pF VGA-Rin VGA-Bin CN207 CN207 CN307 CN307 VGA-Bin VGA-Gin VGA-Gin AV1_IN 5V_USB_WIFI VGA-Gin VGA-Rin 100R/NC 100R/NC VGA-Rin WIFI_EN USB0_D- AV1-AuLin R534 R534 AV1-Lin USB0_D- VGA-Bin USB0_D+ R616 R616 R621 R621 R620 R620 USB0_D+ AV1-AuRin R535 R535 AV1-Rin PHONE JACK-4...
- Page 46 HDMI2(ARC) CON801 CON801 HDMI1/5V HDMI1_RX2P DATA2+ DATA2 SHIELD HDMI1/5V HDMI1_RX2N HDMI1_RX2P HDMI1-RX2P DATA2- HDMI1-RX2P 5 HDMI1_RX1P R802 R802 DATA1+ HDMI1_RX2N HDMI1-RX2N R805 R805 DATA1 SHIELD HDMI1-RX2N HDMI1_RX1N HDMI1_RX1P HDMI1-RX1P DAT1A- HDMI1-RX1P 5 HDMI1_RX0P R803 R803 R804 R804 DATA0+ HDMI1_RX1N HDMI1-RX1N HDMI1-RX1N DATA0 SHIELD HDMI1_RX0N...