Skyworth 42E68 Instruction Manual Download Page 79

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= 0V

> 0V

Has video but no audio

Check if the Volume has set to “0”
or if the it is mute

Done

Check the voltage of “Mute” pin beside
the amplifier IC. It should not be 0V.

Check the mute circuit
if it is OK.

Done

Fix the mute circuit

Upgrade the software

Change the main
IC “U

101

”

Done

Change the mainboard

Done

Check the audio input line
& the audio input circuit.

Done

Service Flow Chart

-49-

Summary of Contents for 42E68

Page 1: ...L Engineering Dept Artwork By Checked By Approved By Brand Name JOB NO Date Date Date SERVICE MANUAL 8M48A 2012 02 28 SKYWORTH SIZE A5 Design and specifications are subject to change without prior notice Only Referrence 5M92A CHASSIS ...

Page 2: ...Content 2 11 41 42 43 44 45 53 54 80 81 84 85 94 ...

Page 3: ...LED 8M26A ...

Page 4: ...TOSHIBA CODE Component PAL SECAM BG DK PAL I NTSC M VHF LOW K1 S6 VHF HIGH S7 S36 VHF S37 DS57 44 25MHz 140 25MHz 147 25MHz 423 25MHz 431 25MHz 863 25MHz Asia Europe ...

Page 5: ...40 55 80 For 22 LED For 24 LED For 32 LED ...

Page 6: ... 24 inches is 3W 24 inches is 4 ohm ...

Page 7: ...40 40 3 2 1 4 2 50 0 5 80 40 3 12000 26inches is 8 ohm ...

Page 8: ...40 YES 8 6 46 46 NO NO Standard Spanish Standard 20 ...

Page 9: ...4 2 4 0 40 70 0 40 70 0 40 40 85 Y0 50 30000 ...

Page 10: ......

Page 11: ...Vin Vout GND C1 10uF 5V 3 3V fixed output ʳ R1 121 R2 121 C2 22uF 5V 2 5V 1A Tab is Vout Vin Vout Adj C1 10uF o V 5V 2 5V ADJ output ʳ 1 2 REF o R R 1 V V Note ȍ ȍ ʳ ʳ ʳ 3 PIN SOT223 3 PIN TO252 TO263 3 PIN TO220 Top View 3 2 1 Vin Vout Adj GND Tab is Vout Tab is Vout Vin Vout Adj GND Top View 3 2 1 3 PIN SOT89 Vin Vout Adj GND Tab is Vout 3 2 1 Adj GND Vin Vout Tab is Vout 3 2 1 ʳ Connection Diag...

Page 12: ... regulator A minimum of 10uF capacitor 0 15ȍ ESR 20ȍ must be connected from this pin to ground to insure stability Vin I 3 The input pin of regulator Typically a large storage capacitor 0 15ȍ ESR 20ȍ is connected from this pin to ground to insure that the input voltage does not sag below the minimum dropout voltage during the load transient response This pin must always be 1 3V higher than Vout in...

Page 13: ...TPUT ADJ GND VOUT INPUT OUTPUT ADJ GND VOUT Figure 2 Pin Configurations of AS1117 1 2 3 1 2 3 1 2 3 U Package ADJ GND OUTPUT INPUT VOUT S Package TO 263 R Package INPUT OUTPUT ADJ GND SOT 89 1 2 3 1 2 3 VOUT http www a1semi com AS1117 A1semi 1A Fixed and Adjustable Low Electronics Ltd Dropout Linear Regulator LDO A1 A1 A1 ...

Page 14: ...k Diagram GND Fixed Output ADJ Adjustable Output Thermal Shutdown Out INPUT OUTPUT Figure 3 Functional Block Diagram of AS1117 http www a1semi com AS1117 A1semi 1A Fixed and Adjustable Low Electronics Ltd Dropout Linear Regulator LDO A1 A1 A1 ...

Page 15: ... V to 18 V operating input voltage range z Synchronous Buck 70 m internal high side switch and 40 m internal low side switch at 12 V z Up to 95 efficiency z External soft start z Output voltage adjustable to 0 8 V z 3 A continuous output current z 500 kHz PWM operation z Cycle by cycle current limit z Pre bias start up z Short circuit protection z Thermal shutdown z Exposed pad SO 8 package Applic...

Page 16: ...the device starts up 3 AGND Analog ground AGND is the reference point for controller section AGND needs to be electrically connected to PGND 4 FB Feedback input The FB pin is used to set the output voltage via a resistive voltage divider between the output and AGND 5 COMP External loop compensation pin Connect a RC network between COMP and AGND to compensate the control loop 6 EN Enable pin Pull E...

Page 17: ...5 C The value in any given application depends on the user s specific board design 500kHz Oscillator AGND PGND VIN EN FB SS COMP LX OTP Internal 5V ILimit PWM Control Logic 5V LDO Regulator UVLO POR Softstart Reference Bias 0 8V SS 5μA Q1 Q2 PWM Comp Level Shifter FET Driver ISen EAmp Parameter Rating Supply Voltage VIN 20 V LX to AGND 0 7 V to VIN 0 3 V LX to AGND 20 ns 5 V to 22 V EN to AGND 0 3...

Page 18: ...with small SOT 23 footprint provides small PCB area application Ordering Information Temperature Code Package Code Optional Spec Code SY8086ƶ ƶ ƶ ƶ ƶƶ ƶƶ ƶƶ ƶƶ ƶ ƶ ƶ ƶ Temperature Code Package Code Optional Spec Code SY8086ƶ ƶ ƶ ƶ ƶƶ ƶƶ ƶƶ ƶƶ ƶ ƶ ƶ ƶ Temperature Range 40eC to 85eC Features Low RDS ON for internal switches top bottom 250mΩ 200mΩ 2 5 5 5V input voltage range 1 4MHz switching frequen...

Page 19: ...ut Feedback Pin Connect this pin to the center point of the output resistor divider as shown in Figure 1 to program the output voltage Vout 0 6 1 R1 R2 Absolute Maximum Ratings Note 1 Supply Input Voltage 6 0V Enable FB Voltage VIN 0 6V Power Dissipation PD TA 25 C SOT 23 5 0 4W Package Thermal Resistance Note 2 SOT23 5 θJA 250 C W SOT23 5 θJC 130 C W Junction Temperature Range 150 C Lead Temperat...

Page 20: ...V A_DDR1_DQ9 A_DDR1_DQ8 UDQS0 UDQM0 AVDD_PLL DVDD_DDR_1 2V LDQM0 LDQS0 AVDDIO_2 5V NC NC A_DDR1_DQ7 A_DDR1_DQ6 A_DDR1_DQ5 AVDDIO_2 5V A_DDR1_DQ4 A_DDR1_DQ3 A_DDR1_DQ2 A_DDR1_DQ1 AVDDIO_2 5V A_DDR1_DQ0 A_DDR1_WEZ A_DDR1_CAS A_DDR1_RAS A_DDR1_BA0 AVDDIO_2 5V A_DDR1_BA1 A_DDR1_A10 A_DDR1_A0 A_DDR1_A1 A_DDR1_A2 A_DDR1_A3 NC NC VDDC GPIO21 PWM1 GPIO20 PWM0 VDDP_2 GPIO77 I2S_OUT_MUTE PWM3 LVSYNC GPIO76 ...

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Page 28: ... GND AVDD_D DR GND SAR3 OPT_N GCLK4 G H SOGIN1 BIN1P AVDD_AL IVE AVDD_25 AVDD_12 6 DVDD_D DR GND GND GND GSP VST SOE FLK3 H J RIN1P GIN1M GIN1P AVDD_33 AVDD_ME MPLL AVDD_AU 25 VDDC VDDC GND GND GND GSP_R GCLK1 GSC GCLK3 FLK J K CVBS2 CVBS1 NC AVDD_D MPLL AVDD_M OD AVDD_RE F VDDC VDDC GND GND GND MVREF VGH_OD D GCLK5 VGH_EVE N K L CVBS0 VCOM AUVAG AUVRP AVDD_M OD VDDP VDDC VDDC FLK2 GCLK6 RLV2P L M...

Page 29: ...annel 1 H2 GIN1P Analog Input Analog Green Input from Channel 1 J3 GIN1M Analog Input Reference Ground for Analog Green Input from Channel 1 J2 RIN1P Analog Input Analog Red Input from Channel 1 J1 Analog Video Input Output Interface Pin Name Pin Type Function Pin CVBS2 Analog Input CVBS Composite Video Input Channel 2 K1 CVBS1 Analog Input CVBS Composite Video Input Channel 1 K2 CVBS0 Analog Inpu...

Page 30: ...1 P3 AUOUTL0 Analog Output Main Audio Output Left Channel 0 R2 AUOUTR0 Analog Output Main Audio Output Right Channel 0 T2 Mini LVDS Interface Pin Name Pin Type Function Pin LLV5M Output Mini LVDS L Link Channel 5 Negative Data Output P10 LLV5P Output Mini LVDS L Link Channel 5 Positive Data Output R10 LLV4M Output Mini LVDS L Link Channel 4 Negative Data Output P11 LLV4P Output Mini LVDS L Link Ch...

Page 31: ...e Data Output N13 RLVCKM Output Mini LVDS R Link Negative Clock Output M14 RLVCKP Output Mini LVDS R Link Positive Clock Output M15 TCON Interface Pin Name Pin Type Function Pin POL Output Polarity Control Single E15 SOE Output Source Output Enable H15 GSP VST Output Gate Start Pulse for LTD Panel Vertical start pulse for GIP Panel H14 GCLK6 Output Gate Clock for GIP Panel L15 GCLK5 Output Gate Cl...

Page 32: ...MI Input Negative DVI HDMI Input for A Link Data Channel 1 B1 RX1P DVI HDMI Input Positive DVI HDMI Input for A Link Data Channel 1 C3 RX2N DVI HDMI Input Negative DVI HDMI Input for A Link Data Channel 2 C1 RX2P DVI HDMI Input Positive DVI HDMI Input for A Link Data Channel 2 C2 ARC DVI HDMI Output Audio Return Channel D2 Serial Flash Interface Pin Name Pin Type Function Pin SCK Output SPI Flash ...

Page 33: ...nput Output for Port 0 A14 USB0_DM Analog I O USB Inverting Data Input Output for Port 0 A15 USB1_DP Analog I O USB Non Inverting Data Input Output for Port 1 B13 USB1_DM Analog I O USB Inverting Data Input Output for Port 1 A13 VIF Interface Pin Name Pin Type Function Pin VIFM Analog Input Negative Video IF Input R6 VIFP Analog Input Positive Video IF Input T6 TAGC Analog Output Tuner Automatic G...

Page 34: ...ower Analog 2 5V Power H6 AVDD_126 1 26V Power Analog 1 26V Power H7 AVDD_AU25 2 5V Power Audio 2 5V Power J6 AVDD_AU33 3 3V Power Audio 3 3V Power M5 AVDD_DMPLL 3 3V Power Crystal Power K4 AVDD_REF 2 5V Power Demod ADC Power K6 AVDD_PGA 2 5V Power Demod PGA Power N5 AVDD_MOD 3 3V Power MOD Power K5 L5 AVDD_MEMPLL 3 3V Power PLL Power J5 AVDD_DDR 1 8V Power DDR Power D9 E13 G8 M10 M11 DVDD_DDR 1 2...

Page 35: ...IT DESCRIBED HEREIN NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS NOR THE RIGHTS OF OTHERS REVISION HISTORY Document Description Date MST6M181VG MST6M182VG_pin_v01 Initial release Aug 2011 MST6M181VG MST6M182VG_pin_v02 Added Ball Diameter to Mechanical Dimensions Aug 2011 Electrostatic charges accumulate on both test equipment and human body and can discharge without detection MST6M18...

Page 36: ...reserved MECHANICAL DIMENSIONS E1 D1 e e E D A A1 10 11 12 13 14 15 16 3 4 5 6 7 8 2 1 9 Millimeter Inch Symbol Min Nom Max Min Nom Max A 1 40 0 055 A1 0 27 0 37 0 011 0 015 M 0 70 REF 0 028 REF S 0 22 0 26 0 30 0 009 0 010 0 012 D 13 50 0 531 E 13 50 0 531 D1 12 00 0 472 E1 12 00 0 472 e 0 80 0 031 Ball Diameter 0 40 0 016 B D F H K M P A C E G J L N R T b 200x S M Doc No 2012010018 Doc No 201201...

Page 37: ...r ess G ener at or M em or y A rr ay P age B uf fer Y D ecoder D ata R egi st er S R AM B uf fer S I S I O0 S CLK C l ock G ener at or S tate M achi ne M ode Logic S ense A m pl i f i er HV G ener at or O ut put B uf fer S O S I O1 C S W P H O LD ...

Page 38: ...1 Y1 Z2 Y2 Z3 Y3 VCC Z4 Y4 GND I2C_ADDR SCL_CTL SDA_CTL A34 B34 VCC A33 B33 A32 B32 A31 B31 GND SCL3 SDA3 HPD3 POW3 CEXT I2C_RST SDA1 SCL1 B11 A11 B12 A12 B13 A13 B14 A14 REXT POWDN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 50 49 48 47 46 45 44 43 42 41 60 59 58 57 56 55 54 53 52 51 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 64 63 62 61 POW_SINK PS331 ...

Page 39: ...ing by External resistor 500 ohm 1 to GND POW_SINK O A 3 3 V CMOS output which indicates the selected port being connected to the corresponding Source port POW_SINK is the status for the selected Port Source Connection Detection When the selected port 5 V Source Supply is detected POW_SINK will output HIGH to indicate the Source is connected For each port the Port Source Connection status can also...

Page 40: ...round BST_A 4 P High side bootstrap supply for half bridge A BST_B 43 P High side bootstrap supply for half bridge B BST_C 42 P High side bootstrap supply for half bridge C BST_D 33 P High side bootstrap supply for half bridge D DVDD 27 P 3 3 V digital power supply DVSSO 17 P Oscillator ground DVSS 28 P Digital ground GND 29 P Analog ground for power stage GVDD_OUT 5 32 P Gate drive internal regul...

Page 41: ...ng a logic low to this pin RESET is an asynchronous control signal that restores the DAP to its default conditions and places the PWM in the hard mute state tristated SCL 24 DI 5 V I2 C serial control clock input SCLK 21 DI 5 V Pulldown Serial audio data clock shift clock SCLK is the serial audio port input data bit clock SDA 23 DIO 5 V I2 C serial control data interface input output SDIN 22 DI 5 ...

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Page 45: ...ave factory mode Press menu button to back to upper menu until leave factory mode Software information Enter factory mode you can get the software information from the bottom of the menu Panel information Enter factory mode enter Panel SETTING item you can get the panel information from the bottom of this menu Aging mode You can press the shortcut key in the factory remote control to open or close...

Page 46: ...wed you need to try again NOTE YPBPR ADC need to do twice by use 576P and 720P signal separate VGA source ADC Switch to PC source input tessellated white and black signal enter factory select AUTO ADC item in the ADC CALIBRATION menu press button to begin auto adjust When it is finish it will show OK or FAILE If FAILE is showed you need to try again ...

Page 47: ... you can adjust the over scan in these menu OutFactory reset Enter factory mode enter SYSTEM SETTING item select OUT FACTORY SET item and press OK button to reset the flash memory TV set will restart when it is finish INIT EEPROM Enter factory mode enter SYSTEM SETTING item select FAC RESET DEFAULT item and press OK button to reset the EEPROM TV set will restart when it is finish ...

Page 48: ...he USB2 socket if there are two USB socket make sure you use the socket 2 Enter factory select Software Update USB item and press OK button to begin update TV set will restart when finish Note you need to restart the TV set again by AC power We suggest you need to do INIT EEPROM and Factory reset after software updat ...

Page 49: ...reen offset B OFFSET Blue offset AUTO ADC Auto ADC calibration W B ADJUST MODE Select source TEMPERATURE Select Neutral Warm Cool Personal R GAIN Red gain G GAIN Green gain B GAIN Blue gain R OFFSET Red offset G OFFSET Green offset B OFFSET Blue offset COPY ALL Copy there values to all source PANEL SETTING TI MODE 1 LVDS data format LVDS PORT 0 LVDS data interface ...

Page 50: ...y enable TTX BRI 170 Logo enable WHILE PATTERN Off NO USED POWER REMIND 10 Preset the no signal standby time BULE SCREEN ON Blue or Black screen when no signal VIDEO AGC ON DLC ON DLC enable WHILE BLACK STRENCH Off White black strength enable FAC RESET DEFAULT Reset the EEPROM OUT FACTORY RESET Reset the flash memory AGING MODE off If you set this item on put the stop key on the remote control can...

Page 51: ...YS BG AGC GAIN 19 LANGUAGE SETTING S CHINESE 繁体中文 SPANISH 西班牙语 FRENCH 法语 PORTUGUESE 葡萄牙语 RUSSIAN 俄罗斯语 BIG CHINESE 繁体中文 BULGARIAN 保加利亚语 SLOVAK 斯洛伐克语 FINNISH 芬兰语 INDONESIA 印度尼西亚 ARABIC 阿拉伯语 Arabic 阿拉伯语 FARSI 波斯语 HEBREW 希伯来语 THAI 泰语 VIETNAM 越南文 TURKISH 土耳其文 SOURCE SETTING TV On ...

Page 52: ... AGALOG CURVE MODE PICTURE MODE BRIGHTNESS CURVE CONTRAST CURVE SATURATION CURVE HUE CURVE SHARPNESS CURVE VOLUME CURVE BACKLIGHT 100 HOTEL FUNCTION HOTEL MODE off Hotel mode enable IR LOCK off LOCAL KEY LOCK off USER SETTING SAVE On VOLUME FIXED off POWER ON VOL VALUE 10 ...

Page 53: ...equency setting UART DEBUG HK NO USED SPECIAL NO USED VIF1 VIF1 VIF setting VIF2 VIF AGC VGA BASE item is used for adjust the TUNER AGC VIF3 POWER ON LOGO NONE WDT On Teletext On NO USED Nicam On LOGO SET IN USB USB SRC NAME USB Backlight display control 3D Key control On Equalizer off Software Update USB ...

Page 54: ...rtwork By Checked By Approved By Brand Name P No Scale Date Date Date MANUAL 5M92A 3D 2013 4 28 SKYWORTH 42E68 42E68 Instruction Manual To obtain the best performance and safety please read this manual carefully Please keep this manual for future reference ...

Page 55: ... 14 Picture Settings 14 Sound Settings 15 Installation Settings 16 Advanced Settings 17 Setup Settings 17 TROUBLESHOOTING 22 Back Panel 9 INTRODUCTION FUNCTIONS AND FEATURES 7 EXTERNAL SCHEMATIC AND INSTALLATION 8 14 MENU CONTROL 14 18 HOME CONTROL 19 21 3D Settings 18 PC Settings 18 CONTENT Back Remote Control 13 ...

Page 56: ...olume to a safe comfortable level and reduce the amount of time listening at high levels The battery battery or batteries or battery pack shall not be exposed to excessive heat such as sunshine fire or the like Excessive sound pressure from earphones and headphones can cause hearing loss When not in use and during movement please take care of the power cordset e g tie up the power cordset with cab...

Page 57: ...other materials placed between the television and supporting furniture WEEE Directive Correct Disposal of this product This marking indicates that this product should not be disposed with other household wastes throughout the EU To prevent possible harm to the environment or human health from uncontrolled waste disposal recycle it responsibly to promote the sustainable reuse of material resources ...

Page 58: ...on or operate the remote control closer to the remote sensor Precautions For Using Battery Improper using of the battery will cause leakage So please do as the following methods and use carefully 1 Please note the batteries polarity to avoid short circuit 2 When the battery s voltage is insufficient which affect the use range you should replace new battery Remove the batteries from the remote cont...

Page 59: ...al video transmission format and other factors Guide 3 Viewing position We d better keep our eyes level is parallel to the display pixels ligature preferably in the same horizontal plane The heights differ more more eyes fatigue we feel We should keep the display center stay at eyes level PR 3D TV has stricter requirement for the way of viewing position Guide 4 Viewing distance and location Genera...

Page 60: ...video which are probably caused audiences uncomfortable with the parallax abrupt change or over intense moveable pictures such as live concert or the live broadcast of sports event Note 1 You have to take off your 3D glasses when you feel eyestrain during the viewing of three dimensional video and take your eyes away from the three dimensional video You should pay more attention when you watching ...

Page 61: ... input supports 1080P high definition signal formats Support HDMI input Features Thanks for your purchase of our digital high definition LED television This product with diverse functions is designed to fulfill the optimum requirements from commercial industrial and household uses LED television possesses the display function of both TV and PC It features advanced picture performance smaller in si...

Page 62: ...ont Panel Note The graphics are for representation only 8 2 Power Indicator Remote Sensor 1 Power Button 3 Speakers 4 Program Up Down Button 5 Volume Up Down Button 6 Menu Button 7 Source Button 8 Standby Button 3 2 3 1 8 7 6 5 4 PROG PROG ...

Page 63: ...6 SD CARD USB1 USB2 USB port android 8 LAN IN 9 YPbPr IN Connect YPbPr signal from signal source such as DVD Share the same AUDIO input with AV IN 10 AV AUDIO IN Connect AUDIO and VIDEO input signal from signal source such as DVD 11 EARPHONE Audio output speakers will be muted when earphone plugged 12 S PDIF Use a digital optical cable to connect your TV to a compatible audio receiver only for ser...

Page 64: ...m the TV menu 16 SOURCE Press to select the input source mode 9 Up Down Left Right Cursor Press to select or adjust the desired item on the menu 8 OK Press to confirm and execute the selection 5 3D option Press to enter or exit the 3D menu 7 COLOUR Red Green Yellow Blue Press these buttons that corresponds to the desired menu or page number Note Use in teletext mode 3 Picture Mode P M Press to sel...

Page 65: ...s different 22 INFO Press to display relevant information such as screen format source etc 18 TEXT Press to enter or exit the teletext menu 19 HOLD Press to hold the teletext page on screen without update and changes Press again to release the hold state 17 19 18 26 20 21 24 20 FREEZE Press to freeze or unfreeze the picture 23 EXIT Press to exit from any menu FILE Home button for directly go into ...

Page 66: ...s button to enter or exit subpage mode if subpage is available Press Red Green buttons to select the desired subpage CANCEL Press this button to return to TV program temporarily while searching for a Teletext page When the search is done the page number will be displayed on the upper left of the screen Press again to return to the Teletext page 25 Power Indicate When this LED turn on it mean by th...

Page 67: ...AL SCHEMATIC AND INSTALLATION 13 Back Remote Control 28 28 Keyboard Android System input keyboard 27 Keyboard on off button 27 Note The keyboard and Mouse button must with a usb dongle insert a side USB port ...

Page 68: ...ress MENU on the remote control or on the TV key panel to display the main menu 2 Press and to highlight the desired menu item 3 Press to change the setting 4 Press MENU to save setting and go back to last menu Note Button on the key panel have the same functions as the corresponding buttons on the remote control The scheme and description are in TV mode as below there will be a note if there is e...

Page 69: ...ay mode may not be adjust Sound Settings Bass Control the level of low pitched sound Treble Control the level of high pitched sound Sound Mode Select the most suitable sound mode according to your watching contents Personal Standard Music Film News Balance Control the audio balance between the right and left TV speakers Surround Press this option to enter to set On or Off AVL This function may be ...

Page 70: ...ress MENU to stop the searching process Fine Tuning Effect on the current TV signal images are not satisfied you can use this function to adjust Auto Search Searches and saves channels automatically MENU Auto Search TV 0 Programme s 15 184 25 MHz TV INSTALLATION Channel No Color System Sound System Auto Search Manual Search Fine Tuning Channel Skip 1 PAL BG 183 5MHz Off Channel Skip b You can skip...

Page 71: ... Confirm Password Press button to select Advanced menu then press OK button to enter Input password to enter default password is 0000 ADVANCED Set Password Lock Panel Keys Off Note Default password is 0000 The Super password is 8899 In the event whereby new password is forgotten you can use Super Password as the old password to reset a new password Or directly using the super password to enter Nic...

Page 72: ... FORMAT 5 Modes 2D TO 3D Off Left right Top bottom Frame sequence LEFT RIGHT Select On to swap Left Right if the source video 3D TO 2D In 3D mode select the Left or Right the system automatically switches to 2D mode image select the Off switches to 3D mode image DEPTH In 3D mode choose 2D TO 3D this option can only be used Note 1 When you play video in advice you to use the video player which is a...

Page 73: ... the settings menu operation Setting The user can enter settings from the desktop set icon Also you can double click the bottom right corner of the clock click settings to enter Settings Wi Fi Setting Turn on Wi Fi automatically scans the network Choose a good network signal according to the router to network configuration save settings Volumes Set Volumes Follow this path you can volumes Settings...

Page 74: ...rent the available memory is also different 6 When you look on text file through the text browser it only support English language 7 Communication speed will be according to the distance between the communication equipment whether there are obstacles between devices equipment configuration waves state and used software changed And communication may be interrupted because of wave state 8 In some wo...

Page 75: ...HZ TM 10M 100M Design specifications and manual are subject to change without notice 1GB 1 Billion bytes Available storage capacity will be less due to operating system and pre installed software applications Actual formatted capacity will vary Android 4 0 Ice Cream Sandwich TM Built in Storage is model dependant and indicated on product packaging E g 4 4GB microSDHC card slot max 32GB sup ported ...

Page 76: ...ggest to change to the best resolution or other standard resolutions of Windows system Set refresh rate to be 60Hz SNOWY DOTS AND INTERFERENCE If the antenna is located in the fringe area of a television signal where the signal is weak the picture may be marred by dots When the signal is extremely weak it may be necessary to install a special antenna to improve the reception 1 Adjust the position ...

Page 77: ...rage 470MHz Full Channel Cable TV Preset programs 200 1 200 TV PAL SECAM NTSC BG DK I M AV PAL SECAM NTSC PLAYBACK Language of OSD Multiple options SPECIFICATIONS 8W 8W 100 240V 50 60Hz 120W 14 8Kg 107cm 1920X1080 965 X 258 X 641mm o o Working temperature 5 C 45 C Working humidity 20 80 o o Storage temperature 15C 50 C Storage humidity 10 90 Environment only for Tropical climates zone o o Working ...

Page 78: ... board Done Done Upgrade the software Check the 5V 12V on power supply board Change the power supply board Check the ON OFF voltage on CN2 should be greater than 2 7V Change the panel Done Done Done Change the FLASH U100 Done Done Check all DC power supply on U101 10 Chang the power supply IC for U101 Change the Main IC U101 Change the Mainboard Done Done Done Service Flow Chart 48 Y Y Y N N N Che...

Page 79: ...mute Done Check the voltage of Mute pin beside the amplifier IC It should not be 0V Check the mute circuit if it is OK Done Fix the mute circuit Upgrade the software Change the main IC U101 Done Change the mainboard Done Done Check the audio input line the audio input circuit Done Service Flow Chart 49 ...

Page 80: ... default 50 Check the cable input if it has exactly connected Well connect the cable Check the current input source if it is TV Done Change the main IC U101 Adjust AGC follow the working guide Change the mainboard Done Done Done Check the DC power supply of the tuner Done Check the L116 Change the L116 Done Done Change the mainboard Service Flow Chart 50 ...

Page 81: ...e is 24V Done Y Y Y N N N Check the ON OFF voltage on CN2 should be greater than 2 7V Check Q28 U101 PinB10 B12 if it works well Change the panel Done Upgrade the software Change the Q3 or U11 Change the U101 Done Done Done Upgrade the software Done Safely connect the LVDS line Make sure the LVDS power is correct 5V for 24 12V for 32 Done Change the Flash U100 Done Correct the power Chane the main...

Page 82: ...SET时可以取消RESET电路靠近主控AMP IC输出端放置 C787 NC 4 7u C787 NC 4 7u R1 0R NC R1 0R NC R582 33R R582 33R R98 10K R98 10K R86 22R R86 22R R94 10K R94 10K R100 NC 10K R100 NC 10K D31 1N4148 D31 1N4148 C110 20pF C110 20pF R75 33R R75 33R C1208 0 1u C1208 0 1u U8 NPCA110T U8 NPCA110T GPIO02 SDI0 1 GPIO03 SDI1 2 GPIO04 SDI2 3 GPIO14 4 GPO18 I2CMS 5 VDD33_1 6 GND 1 7 DAC_LOUT2 8 DAC_REF 9 VCM 10 AGND 11 AVDD 12 DA...

Page 83: ...K R529 NC R529 NC E B C SOT 23 Q48 3904 E B C SOT 23 Q48 3904 1 3 2 C503 0 047uF C503 0 047uF L46 22uH 2A7 L46 22uH 2A7 R335 1K R335 1K TP2 TP2 1 C507 0 1uF C507 0 1uF C423 0 47U 50V C423 0 47U 50V C523 330nF C523 330nF C505 330nF C505 330nF R584 22R R584 22R L45 FB L45 FB P10 PHONEJACK STEREO SW 180d P10 PHONEJACK STEREO SW 180d 4 3 2 1 CON9 2X2 5MM CON9 2X2 5MM 1 2 L47 FB 100 L47 FB 100 R446 NC ...

Page 84: ...M161LG 181VG 182VG OrgName A4 2 10 Tuesday November 29 2011 SMC 0755 26037700 Q值 15 MIN BPF_IN BPF FOR 38 9MHz OR 38MHZ TUNER AGC Close TUNER L35 100nH_10 L35 100nH_10 C375 51R C375 51R C374 NC C374 NC C373 0 1u C373 0 1u C356 33R C356 33R L29 0R L29 0R U3 HFT2 8F 115CW U3 HFT2 8F 115CW AGC 1 NC 2 SDA 3 SCL 4 BM 5 NC 6 IF1 7 IF2 8 NC 9 GND 10 GND 11 GND 12 GND 13 L36 NC L36 NC L27 NC L27 NC C237 2...

Page 85: ...ment Number Rev Date Sheet of MST6M161LG 181VG 182VG V1 0 MST6M161LG 181VG 182VG OrgName B 2 10 Tuesday November 29 2011 YPbPr AV输入1 SMC 0755 26037700 CLOSED TO MST6M181CS Coaxial Output R519 12K R519 12K CON39 CON4_2 0 NC CON39 CON4_2 0 NC 1 2 3 R517 12K R517 12K P20 RCA1 P20 RCA1 2 1 3 R505 33R R505 33R R501 33R R501 33R CON7DIP2x7PIN CON7DIP2x7PIN SG 1 GND 2 5VA 3 GND 4 PR 5 GND 6 PB 7 AV1L 8 A...

Page 86: ...heet of MST6M161LG 181VG 182VG V1 0 MST6M161LG 181VG 182VG OrgName A4 2 10 Thursday January 12 2012 SMC 0755 26037700 6100 020100 0410 6100 020000 0410 P5 PHONEJACK STEREO SW 180d P5 PHONEJACK STEREO SW 180d 4 3 2 1 R154 10K R154 10K R153 12K R153 12K D45 NC D45 NC 1 2 R283 100 R283 100 P7 PHONEJACK P7 PHONEJACK 3 4 2 1 R150 NC R150 NC R138 75 R138 75 R203 0 R203 0 DD20 ESD 0402 DD20 ESD 0402 R149...

Page 87: ... Title Size Document Number Rev Date Sheet of MST6M161LG 181VG 182VG V1 0 MST6M161LG 181VG 182VG OrgName A4 2 10 Tuesday November 29 2011 SMC 0755 26037700 P21 USB_A P21 USB_A 1 1 2 2 3 3 4 4 5 5 6 6 D62 NC D62 NC 1 2 R35 100K R35 100K R33 100K R33 100K L21 FB NC L21 FB NC U29 NC G5250F2 U29 NC G5250F2 VIN 3 4 EN GND 2 VOUT 1 FLG 5 C81 0 1uF C81 0 1uF R145 10K R145 10K R36 5 1 R36 5 1 CA110 100uF ...

Page 88: ...HDMI P6 HDMI DATA2 1 DATA2 SHIELD 2 DATA2 3 DATA1 4 DATA1 SHIELD 5 DAT1A 6 DATA0 7 DATA0 SHIELD 8 DATA0 9 CLK 10 CLK SHIELD 11 CLK 12 CEC 13 NC 14 SCL 15 SDA 16 DDC CEC GND 17 5V POWER 18 HOT PLUG 19 20 20 21 21 22 22 R278 100 R278 100 R263 3 6K R263 3 6K C172 0 1uF C172 0 1uF L18 FB NC L18 FB NC C183 0 1uF C183 0 1uF C93 0 1uF C93 0 1uF D127 NC D127 NC R218 5 1R R218 5 1R C185 4 7uF C185 4 7uF R3...

Page 89: ...CKM P12 G_ODD0 LVA1P P13 SAR2_GPIO13 GPIO73 C10 SAR1_GPIO12 GPIO74 C11 GPIO11 TCON11 HCON_39 D15 GPIO10 TCON10 OPT_N_38 G15 GPIO9 TCON9 OPT_P_37 F16 GPIO8 TCON8 FLK3_36 H16 GPIO3 TCON3 GCLK2_31 E16 GPIO2 TCON2 GCLK1_30 J14 GIN0M F2 GPIO21 TCON21 VGH_ODD_49 K14 GPIO20 TCON20 VGH_EVEN_48 K16 GPIO19 TCON19 GCLK6_47 L15 GPIO18 TCON18 GCLK5_46 K15 GPIO17 TCON17 GCLK4_45 G16 GPIO16 TCON16 WPWM_44 F15 GP...

Page 90: ... 1 2 3 4 5 6 7 8 9 L44 3 3uH L44 3 3uH CN2 NC CON14 CN2 NC CON14 1 2 3 4 5 6 7 8 9 10 11 12 13 14 R340 100 R340 100 R343 2 2K R343 2 2K L39 NC FB L39 NC FB C11 NC 0 1UF C11 NC 0 1UF C14 0 1uF C14 0 1uF R22 560R R22 560R C17 2 2uF C17 2 2uF Q20 3904 Q20 3904 1 2 3 L25 22uH L25 22uH R14 10K NC R14 10K NC C18 0 1uF C18 0 1uF R50 75K R50 75K CA21 220uF 16V CA21 220uF 16V L38 FB L38 FB R46 4 7K R46 4 7...

Page 91: ...161LG 181VG 182VG V1 0 MST6M161LG 181VG 182VG OrgName Custom 2 10 Tuesday November 29 2011 Title Size Document Number Rev Date Sheet of MST6M161LG 181VG 182VG V1 0 MST6M161LG 181VG 182VG OrgName Custom 2 10 Tuesday November 29 2011 20110826 更改的部分 1 PAGE 08_AUDIO AMP 更改部分增加R926 470R R927 470R 目的为了解决开战频底噪问题 20110901 1 PAGE 02_MST6M161LG AMS1117_adj 的1脚反馈电压是相对2脚OUT的即2脚和1脚的相对电压为1 25V 所以将R23改为220R...

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