ESPEC 17MB95S Скачать руководство пользователя страница 43 | Manualshive

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Please check mechanical position of CI module. Is it inserted properly or not?

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Detect ports should be low. If it is not low please check CI connector pins, CI module

pins.

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Содержание 17MB95S

Страница 1: ...1 SERVICE MANUAL 17MB95S 15 11 2012...

Страница 2: ...Gb G die DDR3 SDRAM 28 8 2Gbit 256M x 8 bit NAND Flash Memory 30 9 16M BIT 16M x 1 CMOS SERIAL FLASH EEPROM 34 10 USB Interface 37 11 CI Interface 39 12 Software Update 40 13 Troubleshooting 40 A No B...

Страница 3: ...t decoder The MACEpro video processor Home theatre sound processor Internet and Variety of Connectivity Support Dual stream decoder for 3D contents M lti purpose CPU for OS and multimedia Peripheral a...

Страница 4: ...rong undesired channels and interference The Si2156 integrates the complete signal path from antenna input to IF outputs for both analog and digital transmission standards Compared to traditional disc...

Страница 5: ...ture Integrated channel select filters Flexible output interface ALIF to analog TV demodulator or SoC DLIF to digital TV demodulator or SoC 3 3 and 1 8 V power supplies Standard CMOS process technolog...

Страница 6: ...6 Table 1 Pin functions...

Страница 7: ...tween a 384 kHz switching rate and a 352 KHz switching rate depending on the input sample rate Oversampling combined with a fourth order noise shaper provides a flat noise floor and excellent dynamic...

Страница 8: ...Ternary PWM Mode Support Thermal and Short Circuit Protection Benefits EQ Speaker Equalization Improves Audio Performance DRC Dynamic Range Compression Can Be Used As Power Limiter Enables Speaker Pr...

Страница 9: ...9 c Pin descriptions and functions Figure 2 Pin description...

Страница 10: ...10 Table 2 Pin functions...

Страница 11: ...n circuitry provides low on off switch noise while allowing the device to start within 5ms A standby function active low allows the reduction of current consumption to 10nA typ b Features Operating fr...

Страница 12: ...12 Low pop click noise Thermal shutdown protection Available in flip chip 9 x 300 m Pb free c Pin descriptions and functions Figure 3 Pin description...

Страница 13: ...13 Table 4 Recommended operating conditions C HEADPHONE AMPLIFIER STAGE Headphone is a SoC single on chip configuration in mainboard design scheme is shown in figure 4 Figure 4 Headphone...

Страница 14: ...24V VDD_Audio These voltages are produced in power card Also socket is used for giving dimming backlight and standbye signals with power card t is shown in figure 5 24V VDD_Audio goes directly to the...

Страница 15: ...features enable pin that allows a delayed start up for sequencing purposes soft start pin that allows adjustable soft start time by choosing the soft start capacitor and a current limit RLIMx pin that...

Страница 16: ...y mode b Features Wide Input Supply Voltage Range 4 5 V 18 V 0 8 V 1 Accuracy Reference Continuous Loading 3 A Buck 1 2 A Buck 2 and 3 Maximum Current 3 5 A Buck 1 2 5 A Buck 2 and 3 Adjustable Switch...

Страница 17: ...17 Table 5 Recommended operating conditions Figure 7 Pin description...

Страница 18: ...voltage of 4 75V to 18V Current mode control provides fast transient response and cycle by cycle current limit An adjustable soft start prevents inrush current at turn on and in shutdown mode the sup...

Страница 19: ...ith Low ESR Ceramic Output Capacitors Fixed 340KHz Frequency Cycle by Cycle Over Current Protection Input Under Voltage Lockout Thermally Enhanced 8 Pin SOIC Package APPLICATIONS FPGA ASIC DSP Power S...

Страница 20: ...he functions of thermal shutdown and current limit protect the device against thermal and current over loads A POK indicates that the output voltage status with a delay time set internally It can cont...

Страница 21: ...ctions Thermal Shutdown with Hysteresis Open Drain VOUT Voltage Indicator POK Low Shutdown Quiescent Current 30mA Shutdown Enable Control Function Simple SOP 8P Package with Exposed Pad Lead Free and...

Страница 22: ...ages 1 8V 2 5V 2 85V 3 3V and 5V The LM1117 offers current limiting and thermal shutdown Its circuit includes a zener trimmed bandgap reference to assure output voltage accuracy to within 1 The LM1117...

Страница 23: ...5 C Applications 2 85V Model for SCSI 2 Active Termination Post Regulator for Switching DC DC Converter High Efficiency Linear Regulators Battery Charger Battery Powered Instrumentation 5 MICROCONTROL...

Страница 24: ...24 b Features...

Страница 25: ...25...

Страница 26: ...26...

Страница 27: ...aths are internally pipelined and 8 bit prefetched to achieve very high bandwidth b Features DQ Power Power supply VDD VDDQ 1 5V 0 075V DQ Ground supply VSSQ Ground Fully differential clock inputs CK...

Страница 28: ...96ball FBGA x16 Driver strength selected by EMRS Dynamic On Die Termination supported Asynchronous RESET pin supported TDQS Termination Data Strobe supported x8 only Write Levelization supported On Di...

Страница 29: ...3 9us at 85 C TCASE 95 C Asynchronous Reset Package 78 balls FBGA x4 x8 All of Lead Free products are compliant for RoHS All of products are Halogen free Table 12 1Gb DDR3 G die Speed bins b Descript...

Страница 30: ...1Gb DDR3 G die device is available in 78ball FBGAs x4 x8 Table 13 Absolute Maximum DC Ratings Table 14 Recommended operating conditions 8 2Gbit 256M x 8 bit NAND Flash Memory H27U2G8F2CTR BC a Key Fe...

Страница 31: ...ITY OTP area Serial number unique ID Hardware program erase disabled during Power transition Multiplane Architecture Array is split into two independent planes Parallel operations on both planes are a...

Страница 32: ...d by 40 and erase time to be reduction by 50 In case of multi plane operation there is small degradation at 1 8V application in terms of program erase time The multiplane operations are supported both...

Страница 33: ...a using the cache register The devices provide two innovative features page re program and multiplane page re program The page re program allows to re program one page Normally this operation is perfo...

Страница 34: ...NERAL 16 777 216 x 1 bit structure 256 Equal Sectors with 8K byte each Any sector can be erased 4096 Equal Segments with 512 byte each Provides sequential output within any segment Single Power Supply...

Страница 35: ...1 byte byte address 512 byte Sequential Read Operation Built in 9 bit A0 to A8 pre settable address counter to support the 512 byte sequential read operation Auto Erase and Auto Program Algorithm Aut...

Страница 36: ...the device will wrap around to the beginning of the segment and continuously outputs data until CS goes high After program erase command is issued auto program erase algorithms which program erase and...

Страница 37: ...ion 10 USB Interface Mstar IC has two input port for USB therefore air mause internal wi fi interface and USB2 are combined with HUB This property is optional If air mause and wi fi interfaces are not...

Страница 38: ...Bi products are fully footprint compatible with USB251x xi xA xAi products as direct drop in replacements Cost savings include using the same PCB components and application of USB IF Compliance by Sim...

Страница 39: ...he industrial temperature range of 40 C to 85 C USB251xB products support the extended commercial temperature range of 0 C to 85 C c Applications LCD monitors and TVs Multi function USB peripherals PC...

Страница 40: ...ld copy directly inside of a flash memory not in a folder 2 Insert flash memory to the tv when tv is powered off 3 While pushing the OK button in remote control power on the and wait TV will power up...

Страница 41: ...lease check Q10 and the panel cables Also it can be tested in TP50 in main board Dimming pin should be high or square wave in open position If it is low please check S60 for Mstar side and panel or po...

Страница 42: ...collector B CI Module Problem Problem CI is not working when CI module inserted Possible couses Supply suply control pin detect pins mechanical positions of pins CI supply should be 5V when CI module...

Страница 43: ...43 Please check mechanical position of CI module Is it inserted properly or not Detect ports should be low If it is not low please check CI connector pins CI module pins...

Страница 44: ...em indicates a short on Vcc voltages Protect pin should be logic high while normal operation When there is a short circuit protect pin will be logic low If you detect logic low on protect pin unplug t...

Страница 45: ...45 D IR Problem Problem LED or IR not working Check LED card supply on MB95 chasis E Keypad Touchpad Problems Problem Keypad or Touchpad is not working Check keypad supply on MB95...

Страница 46: ...46...

Страница 47: ...G No Sound Problem Problem No audio at main TV speaker outputs Check supply voltages of 24V VDD_AUDIO 3 3V AUDIO_AVDD and AUDIO_DVDD with a voltage meter There may be a problem in headphone connector...

Страница 48: ...use Scart 1 for terraterm connection No Signal Problem Problem No signal in TV mode Check tuner supply voltage 5V_VCC 3V3_TUNER and 1V8_TUNER Check tuner options are correctly set in Service menu Che...

Страница 49: ...49 Service Menu Main Screen Video Settings...

Страница 50: ...50 Audio Settings Options 1 Menu...

Страница 51: ...51 Options 2 Menu Options 3 Menu...

Страница 52: ...52 Tuner Settings Menu Source Settings Menu...

Страница 53: ...53 Diagnostic Menu...

Страница 54: ...54 15 General Block Diagram...

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