VESTEL 17MB12 Service Manual Download Page 7

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3.3 Applications

•

Flat-TV

application

•

Flat

panel

monitors

•

Multimedia

systems

•

Wireless

speakers

•

Micro

systems

3.4 Pinning

4 POWER

STAGE

The DC voltages required at various parts of the chassis and inverters are provided by a
main power supply unit and power interface board. The main power supply unit is
designed for 24V and 12V DC supply. Power stage which is on-chasis gen24V

Summary of Contents for 17MB12

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Page 2: ...11 6 DRX 3961A 20 6 1 General Desription 20 6 2 Features 20 7 SERIAL 64K I2C EEPROM M24C64WBN6 21 7 1 General Description 21 7 2 Features 21 7 3 Absolute Maximum Ratings 22 7 4 Pinning 22 8 CLASS AB S...

Page 3: ...3 15 4 2 Features 33 15 4 3 Absolute Maximum Ratings 33 15 4 4 Pinning 34 15 5 ANX9021 34 15 5 1 Features 34 15 6 24LC02 35 15 6 1 General Description 35 15 6 2 Features 35 15 6 3 10 6 3 Pinning 36 15...

Page 4: ...t TV Set 45 17 SOFTWARE UPDATE DESCRIPTION 45 17 1 Analog Software Update Via I2 C 45 17 2 Analog Software Update Via UART 46 18 BLOCK DIAGRAMS 46 18 1 General Block Diagram 46 18 2 Power Management 4...

Page 5: ...stereo Sound system output is supplying 2x8W 10 THD for stereo 8 speakers Supported peripherals are 1 RF input VHF1 VHF3 UHF 75Ohm 1 FAV input 2 SCART sockets 1 SVHS input 1 Stereo Headphone input 1...

Page 6: ...ymmetrical supply or a symmetrical supply with a wide range 10 V to 36 V or 5 V to 18 V The TDA8932 33 device utilizes two advanced features respectively the thermal fold back and the cycle by cycle c...

Page 7: ...rs Micro systems 3 4 Pinning 4 POWER STAGE The DC voltages required at various parts of the chassis and inverters are provided by a main power supply unit and power interface board The main power supp...

Page 8: ...r flat panel displays The integrated microcontroller is supported by a powerful OSD and graphics generator with integrated teletext acquisition 5 1 1 Controller High performance 8 bit microcontroller...

Page 9: ...ts internal SIF AD converter The MSP is able to demodulate all TV sound standards worldwide including the digital NICAM system TV stereo sound standards that are unavailable for a specific VCTP versio...

Page 10: ...ware can provide high end Teletext features like Packet 26 handling FLOF TOP and list pages The interface to user software is optimized for minimal overhead TVT is realized in deep submicron technolog...

Page 11: ...nnels I2C bus master slave interface Up to 32 programmable I O ports 5 5 OSD Teletext Features The on chip display unit for displaying Level 1 5 Teletext data can also be used for customer defined ons...

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Page 20: ...requiring only one SAW filter The IC is designed for applications in TV sets VCRs PC cards and TV tuners The alignment free DRX 396xA does not need special external components All control functions an...

Page 21: ...t SIF output with standard dependent pre filtering and amplitude controlled output level Optimal sound SNR due to carrier recovery without quadrature distortions FM radio capability without external c...

Page 22: ...ion The TDA7050T is a low voltage audio amplifier for small radios with headphones such as watch pen and pocket radios in mono bridge tied load or stereo applications 8 2 Features Limited to battery s...

Page 23: ...Pinning 9 SAW FILTER X6966M 9 1 Features IF filter for digital cable TV Plastic package SIP5K 9 2 Pin configuration 1 Input 2 Input ground 3 Chip carrier ground 4 Output 5 Output 9 3 Frequency respon...

Page 24: ...r of the second generation of multimedia processors based on NEC s Enhanced MultiMedia Architecture EMMArchitecture These devices provide nearly all the functionality required to realise a high perfor...

Page 25: ...hat offer today s highest level of front end integration resulting in ultimate DVB T digital reception compliant to ETS 300 744 DTG D Book EICTA E Book and Nordig Unified v1 0 2 The DRX 3973 77D appli...

Page 26: ...Nordig Unified DTG EICTA Comfortable software drivers for integration of tuner and COFDM demodulator Secondary serial interface for tuner control 5 V tolerant AGC and secondary serial protocol output...

Page 27: ...OPR 2V to 5 5V IMPROVEDLATCH UP IMMUNITY DESCRIPTION The 74V1G08 is an advanced high speed CMOS SINGLE 2 INPUT AND GATE fabricated with sub micron silicon gate and double layer metal wiring C2MOS tech...

Page 28: ...ND INTERNAL BLOCK DIAGRAM LM1117 LM1086 MP1593 FDC642P SIL9011 24LC02 PA672T M74HC4052 Max809 24LC21 15 1LM1117 15 1 1 General Description The LM1117 is a series of low dropout voltage regulators with...

Page 29: ...oad Regulation 0 4 Max Temperature Range LM1117 0 C to 125 C LM1117I 40 C to 125 C 15 1 3 Applications 2 85V Model for SCSI 2 Active Termination Post Regulator for Switching DC DC Converter High Effic...

Page 30: ...ures Low Dropout Voltage 500mV at 1 5A Output Current Fast Transient Response 0 015 Line Regulation 0 1 Load Regulation Current Limiting and Thermal Protecion Adjustable or Fixed Output Voltage 1 8 2...

Page 31: ...ce at turn on In shutdown mode the regulator draws 20 A of supply current The MP1593 requires a minimum number of readily available external components to complete a 3A step down DC to DC converter so...

Page 32: ...or greater capacitor from SW to BS to power the high side switch Pin2 IN Power Input IN supplies the power to the IC as well as the step down converter switches Drive IN with a 4 75V to 28V power sour...

Page 33: ...n Under Voltage Lockout UVLO function can be implemented by the addition of a resistor divider from VIN to GND For complete low current shutdown its needs to be less than 0 7V For automatic startup le...

Page 34: ...n HDCP standard The ANX9021 embeds the HDCP keys and key selection vectors to reduce manufacturing complexity and system cost 15 5 1 Features Dual channel HDMI receiver supporting link data rate up to...

Page 35: ...te capability for up to 8 bytes of data 15 6 2 Features Single supply with operation down to 1 8V Low power CMOS technology 1mA active current typical 1 A standby current typical I temp Organized as 1...

Page 36: ...ay for switching The PA672T is a super mini mold device provided with two MOS FET elements It achieves high density mounting and saves mounting costs 15 7 2 Features Two MOS FET circuits in package th...

Page 37: ...OWER DISSIPATION ICC 4mA MAX at TA 25 C LOGIC LEVEL TRANSLATION TO ENABLE 5V LOGIC SIGNAL TO COMMUNICATE WITH 5V ANALOG SIGNAL LOW ON RESISTANCE 70W TYP VCC VEE 4 5V 50W TYP VCC VEE 9V WIDE ANALOG INP...

Page 38: ...tic discharge and transient excess voltage 15 9Max809 15 9 1 General Description The MAX809 and MAX810 are cost effective system supervisor circuits designed to monitor VCC in digital systems and prov...

Page 39: ...ision Monitoring Voltages from 1 2 V to 4 9 V Available in 100 mV Steps Four Guaranteed Minimum Power On Reset Pulse Width Available 1 ms 20 ms 100 ms and 140 ms RESET Output Guaranteed to VCC 1 0 V L...

Page 40: ...ith EEPROM data clocked out from the rising edge of the signal applied on VCLK 15 10 2 Features 1 MILLION ERASE WRITE CYCLES 40 YEARS DATA RETENTION 2 5V to 5 5V SINGLE SUPPLY VOLTAGE 400k Hz COMPATIB...

Page 41: ...MENU Then press the remote control code which is 4725 16 1Video Setup Panel Select CHI MEI 16 9 32 inch LG 16 9 26 inch SAMSUNG 16 9 32 inch Picture Mute If Yes selected Picture mute feature is activ...

Page 42: ...io Delay Offset Prescale FM Presc AVL On Value between 0 to 127 AM Presc AVL On Value between 0 to 127 NICAM Presc AVL On Value between 0 to 127 I2S Presc AVL On Value between 0 to 127 SCART Presc AVL...

Page 43: ...an o French o Spanish o Italian o Danish o Finnish o Swedish Language Set 2 o Greek o Norwegian o Dutch o Portuguse o Polish o Turkish o Russian o Czech Language Set 3 o Hungarian o Slovak o Slovenian...

Page 44: ...Threshold Value between 0 to 255 Tuner Options Control Byte Value between 0 to 255 Low Mid Low Byte Value between 0 to 255 Low Mid High Byte Value between 0 to 255 Mid High Low Byte Value between 0 t...

Page 45: ...NVM from ROM 17 SOFTWARE UPDATE DESCRIPTION 17 1Analog Software Update Via I2 C Step 1 Short the second and third pins of PL_402 Power ON and keep shorting the pins 3 5 seconds Step 2 Then connect the...

Page 46: ...ct the serial cable from PC Com port to PL104 connector on 17PRG01 1 module card Step 2 Connect the programming cable from SCART PL103 on 17PRG01 1 module card to SCART1 connector on TV chassis side S...

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Page 48: ...18 2Power Management 18 3DRX IF Demodulator Block Diagram...

Page 49: ...18 4VCT Pro 18 4 1 General Block Diagram...

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Page 51: ...18 4 2 MSP Block Diagram 18 4 3 Video Processor of VCT 7wxyP Block Diagram...

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Page 53: ...0u L108 L111 L115 L116 L114 10V 100n C137 10u L113 10V 100n C105 10V 100n C133 3k3 R101 S104 6k2 R145 3V3_DRX 5V_TUNER 100R R149 100R R106 100R R107 100R R137 100R R148 DRX_CLK 50V 1n C129 16V 10n C10...

Page 54: ...BS_IN DMP_DVD_AUDIO_L_IN IR_DMP DV DMP DVD_SWIT BC848B Q202 100R R272 18k R281 150R R270 150R R274 470R R273 75R R260 75R R325 75R R328 10u L233 25V 10u C288 D217 75R R316 75R R317 75R R318 47R R289 4...

Page 55: ...2S_DA_IN 37 SPDIF_OUT 36 VSUP3 3DIG 35 GND3 3DIG 34 GNDA2 33 VSUP5 0 32 SIFIN 31 SIFIN 30 VREFSIF 29 SUBWOOFER 28 SPEAKERL 27 SPEAKERR 26 HEADPHONEL 25 HEADPHONER 24 AOUT1L 23 AOUT1R 22 AOUT2L 21 AOUT...

Page 56: ...IFIER_R 100R R605 100R R601 22k R606 22k R609 AMPLIFIER_R_NEG AMPLIFIER_L_NEG 10k R632 VCC_3V3 10V 100n C649 VCC_12V BC848B Q603 AMP_MUTE 1k R641 BC848B Q602 BC858B Q601 10k R638 50V 100u C642 1N4148...

Page 57: ...DMI1_HP 1k R677 1k R673 UPA672T IC554 1 S1 2 G1 3 D2 4 S2 5 G2 6 D1 BC848B Q652 1k R659 HDMI0_HP HDMI1_HOTPLUG HDMI0_HOTPLUG 100k R680 100k R650 CEC1 CEC0 16V 10n C707 16V 10n C702 16V 10n C691 HDMI_G...

Page 58: ...T5 10 OUT4 11 GND 12 OUT3 13 OUT2 14 OUT1 PR_IDTV_R_IN 220n C825 75R R844 YPBPR_PR 100k R847 VCC_5V_VIDEO 75R R842 75R R838 16V 220n C826 16V 220n C830 ENC_RED S771 IDTV_YPbPr_SW S774 10V 100n C821 DV...

Page 59: ...7 10V 100n C861 10V 100n C867 100n C856 10V 100n C850 10V 100n C864 MP1593 DC DC IC776 1 BS 3 SW 6 COMP 8 SS 2 IN 4 GND 7 EN 5 FB 50V 22n C883 25V 470u C879 25V 100n C881 SS33 D852 22uH_3 9A_SMD L859...

Page 60: ...5 R1 R2 R3 R4 33R R1006 1 8 2 3 4 7 6 5 100R R1031 SCLK CI_POWER_CNTRL 100R R974 25V 10u C967 3 3V 1K R1035 RADD7 3 3V_D RDATA4 RDATA4 DADD1 22K R1057 RDATA1 JTDO RADD21 100R R998 TS_STRT DQ14 3 3V_D...

Page 61: ...1k2 R1120 12k R1121 12k R1122 16V 100u C1133 16V 100u C1141 50V 10p C1119 10V 100n C1109 25V 10u C1117 16V 100u C1102 L1100 16V 10n C1103 5V 4R7 R1100 DDR_REF RADD15 DQM0 RADD7 RDATA0 DRASB RADD11 RAD...

Page 62: ...9 74LVX245 IC1206 1 T_R 3 A1 5 A3 7 A5 12 B6 14 B4 16 B2 18 B0 20 VCC 2 A0 4 A2 6 A4 8 A6 10 GND 9 A7 19 OE 11 B7 17 B1 13 B5 15 B3 SW_CNTRL_INV REG MDO_VAL MDI_1 GCSB0 MDI_6 RADD9 TS3 MD6 MERR A5 10V...

Page 63: ...93 IC1202 IC1203 IC1204 IC1205 IC1206 R549 IC1207 IC1208 IC1209 JK200 R651 R659 R673 R677 JK202 L223 R727 R512 R508 L225 L226 R907 R1063 R455 R457 R458 L227 R494 R481 R463 L230 R465 R468 R893 R497 R49...

Page 64: ...R887 PL405 PL400 Q858 Q400 Q402 Q406 Q407 R536 Q426 Q428 R541 R542 R543 Q107 Q205 R662 R843 R452 R462 R464 Q857 R466 R507 R632 R640 C670 C677 R660 R679 R726 R813 R877 R1115 R1221 R401 R425 R499 R515 R...

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