Toshiba 29VH27D Service Manual Download Page 9 | Manualshive

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4

• 3 X 4Bits RGB-DACs On-Chip
• Free Programmable Pixel Clock from 10 MHz to 32MHz
• Pixel Clock Independent from CPU Clock
• Multinorm H/V-Display Synchronization in Master or Slave Mode

10.7.Acquisition Features

• Multi-standard Digital Data Slicer
• Parallel Multi-norm Slicing (TTX, VPS, WSS, CC, G+)
• Four Different Framing Codes Available
• Data Caption only limited by available Memory
• Programmable VBI-buffer
• Full Channel Data Slicing Supported
• Fully Digital Signal Processing
• Noise Measurement and Controlled Noise Compensation
• Attenuation Measurement and Compensation
• Group Delay Measurement and Compensation
• Exact Decoding of Echo Disturbed Signals

10.8.Ports

• One 8-bit I/O-port with open drain output and optional I

2

C Bus emulation support (Port0)

• Two 8-bit multifunction I/O-ports (Port1, Port3)
• One 4-bit port working as digital or analogue inputs for the ADC (Port2)
• One 2-bit I/O port with secondary function (P4.2, 4.3, 4.7)
• One 4-bit I/O-port with secondary function (P4.0, 4.1, 4.4) (Not available in P-SDIP 52)

11.SERIAL ACCESS 32K EEPROM

24LC32 is the 32Kbit electrically erasable programmable memory. The memory is compatible with the
I

2

C standard, two wire serial interface, which uses a bi-directional data bus and serial clock.

12.CLASS AB STEREO HEADPHONE DRIVER TDA1308

The TDA1308 is an integrated class AB stereo headphone driver contained in a DIP8 plastic package.
The device is fabricated in a 1 mm CMOS process and has been primarily developed for portable digital
audio applications.

13.SAW FILTERS

X6966M is an 8-MHz SAW Filter which is used for pre-filtering the IF input signal of DRX 3960A.

The

entire multistandard processing is performed within this filter which limits the signal bandwidth to 8 MHz
and suppresses major parts of the adjacent channels.

14.IC DESCRIPTIONS

TDA6109
27W401
24LC32
SDA5275
DRAM 4MX4
SDA9400
LM317T
DDP3310
SDA5550
TEA6415
VPC3230D
TDA1308T
MSP3411G
TL431
DRX3960A
LM7808
BDX53BFI
TDA8177F
LM1086
MC44608
TCET1102G
TDA7480L
SAA3010T

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Summary of Contents for 29VH27D

Page 1: ...SERVICE MANUAL PRINTED IN UK 2003 C COLOURTELEVISION 29VH27D TOSHIBA 050 200330 AK52 Chassis ...

Page 2: ...SM52 DRX_IF ...

Page 3: ...CRIPTIONS 4 14 1 TDA6109 5 14 1 1 General Description 5 14 1 2 Features 5 14 1 3 Pinning 5 14 2 27W401 5 14 2 1 Description 5 14 2 2 Features 5 14 2 3 Connections 6 14 3 24LC32A 6 14 3 1 Description 6 14 3 2 Features 6 14 3 3 Pin Descriptions 7 14 4 SDA5275 7 14 4 1 Features 7 14 4 2 Pin Definition and functions 8 14 5 DRAM 4MX4 9 14 5 1 General Description 9 14 5 2 Features 9 14 5 3 Pin Assignmen...

Page 4: ...ures 24 14 18 3 Pin connections 24 14 18 4 Block Diagram 24 14 19 LM1086 24 14 19 1 Description 24 14 19 2 Features 24 14 19 3 Applications 25 14 19 4 Connection Diagrams 25 14 20 MC44608 25 14 20 1 Description 25 14 20 2 General Features 25 14 20 3 Pin Connections 26 14 21 TCET1102G 26 14 21 1 Description 26 14 21 2 Applications 26 14 21 3 Features 26 14 22 TDA7480L 27 14 22 1 Description 27 14 2...

Page 5: ...iii 16 3 VIDEO ALIGNMENTS 33 16 4 SERVICE ALIGNMENTS 34 17 BLOCK DIAGRAM 36 18 CIRCUIT DIAGRAMS 37 ...

Page 6: ... UHF tuner suitable for CCIR systems B G H L L I and I The low IF output impedance has been designed for direct drive of a wide variety of SAW filters with sufficient suppression of triple transient Features of UV1316 1 Member of the UV1300 family small sized UHF VHF tuners 2 Systems CCIR B G H L L I and I OIRT D K 3 Digitally controlled PLL tuning via I 2 C bus 4 Off air channels S cable channels...

Page 7: ...he FM Stereo Radio standard 6 SOUND OUTPUT STAGE WITH TDA7480L The TDA7480L is an audio class D amplifier assembled in Power DIP package specially designed for high efficiency applications mainly for TV and Home Stereo sets Mute stand by function of the audio amplifier can be described as the following the pin 12 MUTE STAND BY controls the amplifier status by two different thresholds referred to g...

Page 8: ...n registers Normal Mode 33 33 MHz CPU clock Power Save mode 8 33 MHz 10 3 Microcontroller Features 8bit 8051 instruction set compatible CPU 33 33 MHz internal clock max 0 360 ms min instruction cycle Two 16 bit timers Watchdog timer Capture compare timer for infrared remote control decoding Pulse width modulation unit 2 channels 14 bit 6 channels 8 bit ADC 4 channels 8 bit UART rxd txd 10 4 Memory...

Page 9: ...h secondary function P4 2 4 3 4 7 One 4 bit I O port with secondary function P4 0 4 1 4 4 Not available in P SDIP 52 11 SERIAL ACCESS 32K EEPROM 24LC32 is the 32Kbit electrically erasable programmable memory The memory is compatible with the I 2 C standard two wire serial interface which uses a bi directional data bus and serial clock 12 CLASS AB STEREO HEADPHONE DRIVER TDA1308 The TDA1308 is an i...

Page 10: ...M offered in the two ranges UV ultra violet erase and OTP one time programmable It is ideally suited for microprocessor systems requiring large data or program storage and is organized as 524 288 by 8 bits The M27W401 operates in the read mode with a supply voltage as low as 2 7V at 40 to 8 C temperature range The decrease in operating power allows either a reduction of the size of the battery or ...

Page 11: ...ata The 24LC32A is capable of both random and sequential reads up to the 32K boundary Functional address lines allow up to eight 24LC32A devices on the same bus for up to 256K bits address space Advanced CMOS technology and broad voltage range make this device ideal for low power low voltage nonvolatile code and data applications The 24LC32A is available in the standard 8 pin plastic DIP and both ...

Page 12: ... only during SCL low Changes during SCL HIGH are reserved for indicating the START and STOP conditions SCL Serial Clock This input is used to synchronize the data transfer from and to the device WP This pin must be connected to either VSS or VCC If tied to VSS normal memory operation is enabled read write the entire memory 000 FFF If tied to VCC WRITE operations are inhibited The entire memory wil...

Page 13: ...ected 20 N C Not connected 21 VDD3 5 V digital supply 22 N C Not connected 23 VREF 3 V reference voltage input 24 N C Not connected 25 VDD4 5 V digital supply 26 A8 External DRAM address 27 A7 External DRAM address 28 A6 External DRAM address 29 A5 External DRAM address 30 A4 External DRAM address 31 A3 External DRAM address 32 A2 External DRAM address 33 A1 External DRAM address 34 A0 External DR...

Page 14: ...aken LOW prior to CAS falling A LATE WRITE or READ MODIFY WRITE occurs when WE falls after CAS is taken LOW During EARLY WRITE cycles the data outputs Q will remain High Z regardless of the state of OE During LATE WRITE or READ MODIFY WRITE cycles OE must be taken HIGH to disable the data outputs prior to applying input data If a LATE WRITE or READ MODIFY WRITE is attempted while keeping OE LOW no...

Page 15: ... controller Flexible compression of the input signal Digital vertical compression of the input signal 1 0 1 25 1 5 1 75 2 0 3 0 4 0 Digital horizontal compression of the input signal 1 0 2 0 4 0 Noise reduction Motion adaptive spatial and temporal noise reduction 3D NR Temporal noise reduction for luminance frame based or field based Temporal noise reduction for chrominance field based Separate mo...

Page 16: ...nchronization enable input 21 SDA I O I2 C Bus data line 5V ability 20 SCL I I I2 C Bus clock line 5V ability 54 CLK1 I TTL System clock 1 17 10 UVOUT0 7 O TTL Data output UV see output data format 7 3 1 64 63 YOUT0 7 O TTL Data output Y see output data format 62 HREF O TTL Horizontal active video output 61 VOUT VEXT I O TTL EXSYN 0 I C bus parameter V Sync output EXSYN 1 External V Sync input for...

Page 17: ...alog RGB Fast Blank inputs The DDP 3310B is a single chip digital Display and Deflection Processor designed for high quality back Deflection processing scan velocity modulation output high performance H V deflection EHT compensation for vertical East West soft start stop of H Drive vertical angle and bow differential vertical output vertical zoom via deflection horizontal and vertical protection c...

Page 18: ...nalog Green1 Input 33 BIN1 IN GNDO Analog Blue1 Input 34 FBLIN2 IN GNDO Fast Blank2 Input 35 RIN2 IN GNDO Analog Red2 Input 36 GIN2 IN GNDO Analog Green2 Input 37 BIN2 IN GNDO Analog Blue2 Input 38 TEST IN GNDD Test Pin 39 RESQ IN X Reset Input active low 40 PWM1 OUT LV I2 C controlled DAC 41 PWM2 OUT LV I2 C controlled DAC 42 HCS IN GNDD Half contrast 43 C0 IN GNDD Picture Bas Chroma LSB 44 C1 IN...

Page 19: ... output control signals AGC_CON MODE_SW L L PIP_MODS PIP_SEL ON OFF stand by SC1 3_IN_AV pin 8 information from 3 SCARTs AFC MUTE to mute audio output IC I 2 CEN 14 9 2 Features General Feature selection via special function register Simultaneous reception of TTX VPS PDC and WSS line 23 Supply Voltage 2 5 and 3 3 V External Crystal and Programmable clock speed Single external 6MHz crystal all nece...

Page 20: ... working as digital or analog inputs for the ADC Port 2 One 2 bit I O port with secondary functions P4 2 4 3 4 7 One 4 bit I O port with secondary function P4 0 4 1 4 4 Not available in P SDIP 52 14 10 TEA6415C 14 10 1 General Description The main function of the IC is to switch 8 video input sources on 6 outputs Each output can be switched on only one of each input On each input an alignment of t...

Page 21: ...r Y C separator with adjustable vertical peaking multi standard color decoder PAL NTSC SECAM including all substandards four CVBS one S VHS input one CVBS output two RGB YC r C b component inputs one Fast Blank FB input integrated high quality A D converters and associated clamp and AGC circuits multi standard sync processing linear horizontal scaling 0 25 4 as well as non linear horizontal scalin...

Page 22: ...UT GNDY Picture Bus Luma 33 Y5 OUT GNDY Picture Bus Luma 34 Y4 OUT GNDY Picture Bus Luma 35 GNDY SUPPLYD X Ground Luma Output Circuitry 36 VSUPY SUPPLYD X Supply Voltage Luma Output Circuitry 37 Y3 OUT GNDY Picture Bus Luma 38 Y2 OUT GNDY Picture Bus Luma 39 Y1 OUT GNDY Picture Bus Luma 40 Y0 OUT GNDY Picture Bus Luma LSB 41 C7 OUT GNDC Picture Bus Chroma MSB 42 C6 OUT GNDC Picture Bus Chroma 43 C...

Page 23: ...n the inputs and outputs 14 12 2 Features Wide temperature range No switch ON OFF clicks Excellent power supply ripple rejection Low power consumption Short circuit resistant High performance high signal to noise ratio High slew rate Low distortion Large output voltage swing 14 12 3 Pinning SYMBOL PIN DESCRIPTION OUTA 1 Output A INA neg 2 Inverting input A INA pos 3 Non inverting input A VSS 4 Neg...

Page 24: ...sary Automatic Sound Selection 14 13 2 Features 3D PANORAMA virtualizer approved by Dolby Laboratories with noise generator PANORAMA virtualizer algorithm Standard Selection with single I2 C transmission Automatic Standard Detection of terrestrial TV standards Automatic Carrier Mute function Automatic Sound Selection mono stereo bilingual new registers MODUS STATUS Two selectable sound IF SIF inpu...

Page 25: ... IN X Test pin 23 60 49 69 52 ANA_IN2 IN AVSS via 56 pF LV IF Input 2 can be left vacant only if IF input 1 is also not in use 24 59 48 68 51 ANA_IN IN AVSS via 56 pF LV IF common can be left vacant only if IF input 1 is also not in use 25 58 47 67 50 ANA_IN1 IN LV IF input 2 26 57 46 66 49 AVSUP X Analog power supply 5v 65 AVSUP X Analog power supply 5v 64 NC LV Not connected 63 48 NC LV Not conn...

Page 26: ...VSS X Digital ground 14 DVSS X Digital ground 67 18 16 13 10 DVSUP X Digital power supply 5V 12 DVSUP X Digital power supply 5V 11 DVSUP X Digital power supply 5V 68 17 15 10 9 ADR_CL OUT LV ADR clock 14 14 TL431 14 14 1 Description The TL431 is a 3 terminal adjustable shunt voltage regulator providing a highly accurate 1 band gap reference TL431 acts as an open loop error amplifier with a 2 5V te...

Page 27: ...timal picture and sound performance over complete lock in frequency range Standard specific digital AGC and delayed tuner AGC with programmable tuner Take Over Point Fast AGC due to linear structure Adaptive back porch control therefore fast positive modulation AGC No sound traps needed at video output Second SIF output with standard dependent pre filtering and amplitude controlled output level Op...

Page 28: ...800 series of three terminal positive regulators is available in TO 220 TO 220FP TO 3 and D 2 PAK packages and several fixed output voltages making it useful in a wide range of applications These regulators can provide local on card regulation eliminating the distribution problems associated with single point regulation Each type employs internal current limiting thermal shutdown and safe area pro...

Page 29: ...uitable For Dc Coupling Application External Flyback Supply 14 18 3 Pin connections 14 18 4 Block Diagram 14 19 LM1086 14 19 1 Description The LM1086 is a series of low dropout positive voltage regulators with a maximum dropout of 1 5V at 1 5A of load current It has the same pin out as National Semiconductor s industry standard LM317 The LM1086 is available in an adjustable version which can set t...

Page 30: ...consisting of an effective Pulsed Mode operation This technique enables the reduction of the stand by power consumption to approximately 1W while delivering 300mW in a 150W SMPS Integrated Start Up Current Source Lossless Off Line Start Up Direct Off Line Operation Fast Start Up 14 20 2 General Features Flexibility Duty Cycle Control Under voltage Lockout with Hysteresis On Chip Oscillator Switchi...

Page 31: ...bled when the voltage becomes higher than 15V and the operating range is between 6 6V and 13V An intermediate voltage level of 10V creates a disabling condition called Latched Off phase 7 This pin is to provide isolation between the Vi pin 8 and the VCC pin 6 8 Vi This pin can be directly connected to a 500V voltage source for start up function of the IC During the Start up phase a 9 mA current so...

Page 32: ... 2 VCC NEGATIVE SUPPLY 3 VCC NEGATIVE SUPPLY 4 OUT PWM OUTPUT 5 BOOTDIODE BOOTSTRAP DIODE ANODE 6 BOOT BOOTSTRAP CAPACITOR 7 NC NOT CONNECTED 8 FEEDCAP FEEDBACK INTEGRATING CAPACITANCE 9 FREQUENCY SETTING FREQUENCY RESISTOR 10 SGN GND SIGNAL GROUND 11 IN INPUT 12 ST BY MUTE ST BY MUTE CONTROL PIN 13 NC NOT CONNECTED 14 VCC SIGN POSITIVE SIGNAL SUPPLY 15 VREG 10V INTERNAL REGULATOR 16 VCC POW POSIT...

Page 33: ... and also screen and focus pots are in the medium position 15 2 SYSTEM VOLTAGE ADJUSTMENTS Inputs AC power 220V 50Hz PAL B G test pattern via RF PAL I test pattern for PAL I TV s SECAM D K pattern SECAM L L K TVs Outputs Digital voltmeter to anode of D110 Display System voltage Action Apply power Check that the stand by Led lights Select TV mode and tune to the applied test pattern via local test ...

Page 34: ...the local test keyboard and the user remote control unit Adjust all control functions brightness colour and contrast to minimum settings Measure the most sensitive cathode Adjust the screen potentiometer lower pot on the rear side of FBT transformer until cathode voltage becomes 150V 15 6 IF ADJUSTMENT FOR L MODE Inputs AC power 38 9 MHz test pattern for PAL B G PAL SECAM B G or 39 5 MHz test patt...

Page 35: ... V HORIZONTAL AND VERTICAL GEOMETRY ALIGNMENTS Switch the program to crosshatch test pattern Press RED button to access this group of item Select the parameter by pressing up down buttons Adjust the parameter by pressing left right buttons Store the settings by pressing OK button Switch the another parameter group by pressing the colour button of the related coloured headline of that group Exit pr...

Page 36: ...r picture will be so wide Check and readjust H SIZE item if the adjustment becomes improper after some other geometric adjustments are done Min Value 128 Max Value 127 Recommended Value 012 S COR Change S Correction by pressing Left Right buttons till the size of squares on both the upper and lower part of test pattern become equal to the squares laying on the vertical center of the test pattern C...

Page 37: ...vertical lines at the upper corners of the picture frame become vertical and parallel to vertical corner sides of picture tube Check and readjust U COR item if the adjustment becomes improper after some other geometric adjustments are done Min Value 128 Max Value 127 Recommended Value 001 L COR Change Lower Correction by pressing Left Right buttons till vertical lines at the lower corners of the p...

Page 38: ...64 constant YDFP Enter a PAL B G colour and black white bar test pattern via RF Adjust Y Delay for PAL till the colour transients on the colour bar of the pattern become as sharper and colours between transients do not mix with each other as possible Min Value 07 Max Value 001 Recommended Value 05 AGC Apply PAL BG signal VHF 3 Channel 12 and 60dBmV signal level Adjust AGC Automatic Gain Control it...

Page 39: ...r button of the related item group headline colour Press up down buttons to select the item of group Press Left Right button to alter the value of the item Press OK button to store the selected value and MENU button to exit the service alignments mode ADJUSTMENTS GROUP Press RED button in order to access this group of items PIP CNTRST Level of the PIP picture PIP Ydelay Luma delay of the PIP pictu...

Page 40: ... OPTIONS GROUP Press BLUE button in order to access this group of items 0 HPHONE ON OFF 1 CRT 4 3 16 9 2 SVHS ON OFF 3 f IF always set to 38 9 4 Türk Turkish menu ON OFF 5 VGA ON OFF 6 FRONT Front AV ON OFF 7 DPL ON OFF 8 VD ON OFF 9 NSL ON OFF A PAP ON OFF B CTI ON OFF C AVL ON OFF SYSTEM GROUP Press YELLOW button in order to access this group of items 0 PAL B G ON OFF 1 PAL D K ON OFF 2 PAL I ON...

Page 41: ...AGE SVM 12V Heater Heater Vert Sup Vert Sup BSVM R G B SENSE SCART 3 Back_AV SCART 1 SCART 2 MSP 34XX Front_AV S1 S2 MONO IN QSS MAIN_R SDA TDA1308 L R HEADPHONE Center Surround R L MAIN_L S C L C_SW SC2_R Scart2_C SVHS SVHS_Y SVHS_C C Back_V Back_A Front_V Front_A 2 Feature Box Module 150V 160V 3 3V 3 3V ST BY 8V 5V 14V audio 14V audio 2 5V ST BY 14V 22V 12 VERT VERT HORZ DRIVE EW 11AK52 BLOCK SC...

Page 42: ...37 18 CIRCUIT DIAGRAMS 11ak52e3 VIDEO ...

Page 43: ...38 11ak52e3 2 ...

Page 44: ...39 11ak52e3 3 ...

Page 45: ...40 11ak52e3 4 ...

Page 46: ...41 11fb2a1 1 ...

Page 47: ...42 11fb2a1 2 ...

Page 48: ...43 11fb2a1 3 ...

Page 49: ...44 11fb2a1 4 ...

Page 50: ...45 11uk06 1 ...

Page 51: ...46 11txt52 3 ...

Page 52: ...47 11rs52 ...

Page 53: ...48 11fav19a4 ...

Page 54: ...49 11ir2872 11tk109 ...

Page 55: ...50 11sb18 3 ...

Page 56: ...51 11tk117 11tk118 ...

Page 57: ...52 11tp52 1 ...

Page 58: ...53 11df41j 2 ...

Page 59: ...SM52 PHILIPS_IF ...

Page 60: ...5 14 1 TDA6109 5 14 1 1 General Description 5 14 1 2 Features 5 14 1 3 Pinning 5 14 2 27W401 6 14 2 1 Description 6 14 2 2 Features 6 14 2 3 Connections 6 14 3 24LC32A 7 14 3 1 Description 7 14 3 2 Features 7 14 3 3 Pin Descriptions 7 14 4 SDA5275 8 14 4 1 Features 8 14 4 2 Pin Definition and functions 8 14 5 DRAM 4MX4 9 14 5 1 General Description 9 14 5 2 Features 10 14 5 3 Pin Assignment 10 14 6...

Page 61: ...4 14 18 2 Features 24 14 18 3 Applications 25 14 18 4 Connection Diagrams 25 14 19 MC44608 25 14 19 1 Description 25 14 19 2 General Features 25 14 19 3 Pin Connections 26 14 20 TCET1102G 26 14 20 1 Description 26 14 20 2 Applications 26 14 20 3 Features 26 14 21 TDA7480L 27 14 21 1 Description 27 14 21 2 Features 27 14 21 3 Pin Functions 27 14 22 SAA3010T 27 14 22 1 Description 27 14 22 2 Feature...

Page 62: ...icient suppression of triple transient Features of UV1316 1 Member of the UV1300 family small sized UHF VHF tuners 2 Systems CCIR B G H L L I and I OIRT D K 3 Digitally controlled PLL tuning via I 2 C bus 4 Off air channels S cable channels and Hyperband 5 World standardized mechanical dimensions and world standard pinning 6 Compact size 7 Complies to CENELEC EN55020 and EN55013 Pinning 1 Gain con...

Page 63: ...ction MNR is performed alignment free Other processed standards are the Japanese FM FM multiplex standard EIA J and the FM Stereo Radio standard 6 SOUND OUTPUT STAGE WITH TDA7480L The TDA7480L is an audio class D amplifier assembled in Power DIP package specially designed for high efficiency applications mainly for TV and Home Stereo sets Mute stand by function of the audio amplifier can be descri...

Page 64: ... ROM version is used 10 2 External Crystal and Programmable Clock Speed Single external 6MHz crystal all necessary clocks are generated internally CPU clock speed selectable via special function registers Normal Mode 33 33 MHz CPU clock Power Save mode 8 33 MHz 10 3 Microcontroller Features 8bit 8051 instruction set compatible CPU 33 33 MHz internal clock max 0 360 ms min instruction cycle Two 16 ...

Page 65: ...t port working as digital or analogue inputs for the ADC Port2 One 2 bit I O port with secondary function P4 2 4 3 4 7 One 4 bit I O port with secondary function P4 0 4 1 4 4 Not available in P SDIP 52 11 SERIAL ACCESS 32K EEPROM 24LC32 is the 32Kbit electrically erasable programmable memory The memory is compatible with the I 2 C standard two wire serial interface which uses a bi directional data...

Page 66: ...A6109 14 1 1 General Description The TDA6109JF includes three video output amplifiers in one plastic DIL bent SIL 9 pin medium power DBS9MPF package SOT111 1 using high voltage DMOS technology and is intended to drive the three cathodes of a colour CRT directly To obtain maximum performance the amplifier should be used with black current control 14 1 2 Features Typical bandwidth of 9 0 MHz for an ...

Page 67: ...llows the user to ex pose the chip to ultraviolet light to erase the bit pat tern A new pattern can then be written to the device by following the programming procedure For application where the content is programmed only one time and erasure is not required the M27W401 is offered in PDIP32 PLCC32 and TSOP32 8x20 mm packages 14 2 2 Features 2 7V to 3 6v Low voltage in Read Operation Access time 70...

Page 68: ...ata protection circuitry Hardware write protect 1 000 000 Erase Write cycles guaranteed 32 byte page or byte write modes available Schmitt trigger filtered inputs for noise suppression Output slope control to eliminate ground bounce 2 ms typical write cycle time byte or page Up to eight devices may be connected to the same bus for up to 256K bits total memory Electrostatic discharge protection 400...

Page 69: ...4 character positions Horizontal and vertical scrolling Graphic cursors 4 3 and 16 9 display Multinorm display 50 60 100 120 Hz RISC processor Firmware downloadable I 2 C 3 wire UART interface 1 Mbit s Independent clocks for acquisition and display Tools for greatly simplified software development 24 Kbyte on chip reconfigurable DRAM 44160 bit character ROM One external crystal for all standards 1...

Page 70: ...V digital supply 61 R Analog red display output 62 G Analog green display output 63 B Analog blue display output 64 BLAN Blanking signal open drain output 65 CORQ Contrast reduction open drain output 66 SCL Bi directional I 2 C Bus clock port 67 SDA Bi directional I2 C Bus data port 68 I 2 CEN I 2 C Bus enable 14 5 DRAM 4MX4 14 5 1 General Description The 4 Meg x 4 DRAM is a randomly accessed soli...

Page 71: ... memory embedded The SDA9400 is pin compatible to the SDA9401 field memory embedded The SDA9400 comprises all main functionalities of a digital feature box in one monolithic IC The scan rate conversion to 100 120 Hz interlaced 50 60 Hz progressive is based on a motion adaptive algorithm The scan rate converted picture can be vertically expanded The SDA9400 has a free running mode therefore feature...

Page 72: ...s for 100 120 Hz interlaced or 50 60 Hz progressive scan conversion e g ABAB AABB AA B B AAAA BBBB AB AA Simple progressive scan conversion with joint lines 50 Hz 60 70 75 Hz progressive 60 Hz 70 75 Hz progressive Large area and line flicker reduction Flexible digital vertical expansion of the output signal 1 0 1 32 2 0 Flexible output sync controller Flexible positioning of the output signal Flex...

Page 73: ...mps over an output range of 1 25 to 37 volts This voltage regulator is exceptionally easy to use and requires only two external resistors to set the output voltage Further it employs internal current limiting thermal shutdown and safe area compensation making it essentially blow out proof The LM317 serves a wide variety of applications including local on card regulation This device can also be use...

Page 74: ...am IN Input OUT Output SUPPLY Supply Pin Pin no PLCCK 68 pin Pin name Type Connection if not used Short description 1 VSUPP SUPPLY X Supply voltage Output pin driver 2 GNDP SUPPLY X Ground Output pin driver 3 VS2 IN GNDD Additional VSYNC input 4 FIFORRD OUT LV FIFO Read counter reset 5 FIFORD OUT LV FIFO Read Enable 6 FIFOWR OUT LV FIFO Write Enable 7 FIFORWR OUT LV FIFO Write counter reset 8 HOUT...

Page 75: ...UT X I2 C Bus Data 68 SCL IN OUT X I2 C Bus Clock 14 9 SDA5550 14 9 1 General definition The SDA5550M is a single chip teletext decoder for decoding World System Teletext data as well as Video Programming System VPS Program Delivery Control PDC and Wide Screen Signalling WSS data used for PAL plus transmissions Line 23 The device provides an integrated general purpose fully 8051 compatible Microco...

Page 76: ...isplay RAM and TXT VPS PDC WSS Acquisition Buffer directly accessible via MOVX UP to 16KByte on Chip Extended RAM XRAM consisting of 1 Kilobyte on chip ACQ buffer RAM access via MOVX 1 Kilobyte on chip extended RAM XRAM access via MOVX for user software 3 Kilobyte Display Memory Display Features ROM Character Set Supports all East and West European Languages in single device Mosaic Graphic Charact...

Page 77: ...ment is switched off by forcing with an external resistor bridge 5 VDC on the input Each input can be used as a normal input or as a MAC or Chroma input with external resistor bridge All the switching possibilities are changed through the BUS Driving 75 load needs an external transistor It is possible to have the same input connected to several outputs The starting configuration upon power on powe...

Page 78: ...olled by Fast Blank PIP processing for four picture sizes 1 4 1 9 1 16 or 1 36 of normal size with 8 bit resolution 15 predefined PIP display configurations and expert mode fully programmable control interface for external field memory I2 C bus interface one 20 25 MHz crystal few external components 80 pin PQFP package 14 11 2 Pin Connections and Short Descriptions NC not connected LV if not used ...

Page 79: ...NDSY SUPPLYD X Ground Sync Pad Circuitry 52 VSUPSY SUPPLYD X Supply Voltage Sync Pad Circuitry 53 INTLC OUT LV Interlace Output 54 AVO OUT LV Active Video Output 55 FSY HC HSYA OUT LV Front Sync Horizontal Clamp Pulse Front End Horizontal Sync Output 56 MSY HS IN OUT LV Main Sync Horizontal Sync Pulse 57 VS OUT LV Vertical Sync Pulse 58 FPDAT VSYA IN OUT LV Front End Back End Data Front End Vertic...

Page 80: ...iagram of the MSP34x1G The MSP34x1G has all functions of the MSP34x0G with the addition of a virtual surround sound feature Surround sound can be reproduced to a certain extent with two loudspeakers The MSP34x1G includes our virtualizer algorithm 3D PANORAMA which has been approved by the Dolby 1 Laboratories for compliance with the Virtual Dolby Surround technology In addition the MSP34x1G includ...

Page 81: ...ur Stereo SCART line inputs one Mono input two Stereo SCART outputs Complete SCART in out switching matrix Two I 2 S inputs one I 2 S output All analog FM Stereo A2 and satellite standards All analog Mono sound carriers including AM SECAM L Simultaneous demodulation of very high deviation FM Mono and NICAM Adaptive deemphasis for satellite Wegener Panda acc to ASTRA specification ASTRA Digital Rad...

Page 82: ...C1_IN_L IN LV SCART 1 input left 32 51 55 43 ASG AHVSS Analog Shield Ground 33 50 40 54 42 SC2_IN_R IN LV SCART 2 input right 34 49 39 53 41 SC2_IN_L IN LV SCART 2 input left 35 48 52 40 ASG AHVSS Analog Shield Ground 36 47 38 51 39 SC3_IN_R IN LV SCART 3 input right 37 46 37 50 38 SC3_IN_L IN LV SCART 3 input left 38 45 49 37 ASG AHVSS Analog Shield Ground 39 44 48 36 SC4_IN_R IN LV SCART 4 input...

Page 83: ...2 SO 8 SOT 89 and SOT23 5 packages 14 14 2 Features Trimmed Band gap to 1 Wide Operating Current 1mA to 150mA Extended Temperature Range 0 C to 105 C Low Temperature Coefficient 30 ppm C Offered in TO 92 SOIC SOT 89 SOT 23 5 Improved Replacement in Performance for TL431 Low Cost Solution 14 14 3 Pin Configurations 14 15 TDA9885 86 14 15 1 Introduction The TDA9885 is an alignment free single standa...

Page 84: ... output for capacitor AFD 6 AF decoupling input for capacitor DGND 7 digital ground AUD 8 audio output TOP 9 tuner AGC TakeOver Point TOP SDA 10 I2 C bus data input output SCL 11 I2 C bus clock input SIOMAD 12 sound intercarrier output and MAD select n c 13 not connected TAGC 14 tuner AGC output REF 15 4 MHz crystal or reference input VAGC 16 VIF AGC for capacitor Not connected for TDA9885 CVBS 17...

Page 85: ...r Dc Coupling Application External Flyback Supply 14 17 3 Pin connections 14 17 4 Block Diagram 14 18 LM1086 14 18 1 Description The LM1086 is a series of low dropout positive voltage regulators with a maximum dropout of 1 5V at 1 5A of load current It has the same pin out as National Semiconductor s industry standard LM317 The LM1086 is available in an adjustable version which can set the output ...

Page 86: ... of an effective Pulsed Mode operation This technique enables the reduction of the stand by power consumption to approximately 1W while delivering 300mW in a 150W SMPS Integrated Start Up Current Source Lossless Off Line Start Up Direct Off Line Operation Fast Start Up 14 19 2 General Features Flexibility Duty Cycle Control Under voltage Lockout with Hysteresis On Chip Oscillator Switching Frequen...

Page 87: ...bled when the voltage becomes higher than 15V and the operating range is between 6 6V and 13V An intermediate voltage level of 10V creates a disabling condition called Latched Off phase 7 This pin is to provide isolation between the Vi pin 8 and the VCC pin 6 8 Vi This pin can be directly connected to a 500V voltage source for start up function of the IC During the Start up phase a 9 mA current so...

Page 88: ... 2 VCC NEGATIVE SUPPLY 3 VCC NEGATIVE SUPPLY 4 OUT PWM OUTPUT 5 BOOTDIODE BOOTSTRAP DIODE ANODE 6 BOOT BOOTSTRAP CAPACITOR 7 NC NOT CONNECTED 8 FEEDCAP FEEDBACK INTEGRATING CAPACITANCE 9 FREQUENCY SETTING FREQUENCY RESISTOR 10 SGN GND SIGNAL GROUND 11 IN INPUT 12 ST BY MUTE ST BY MUTE CONTROL PIN 13 NC NOT CONNECTED 14 VCC SIGN POSITIVE SIGNAL SUPPLY 15 VREG 10V INTERNAL REGULATOR 16 VCC POW POSIT...

Page 89: ...A OP3 generated output data modulated with 1 12 the oscillator frequency at a 25 duty factor 8 DATA OP3 generated output information 9 13 DR7 DR3 ODN Scan drivers 14 VSS Ground 0V 15 17 DR 2 DR0 ODN Scan drivers 18 OSC I Oscillator input 19 TP2 I test point 2 20 TP1 I Test point 1 21 27 X0 X6 IPU Sense inputs from key matrix 28 VDD I Voltage supply Note I Input IPU input with p channel pull up tra...

Page 90: ...ftware when f IF is selected 38 9MHz for negative modulation and 33 9MHz for positive modulation from the service menu 15 4 FOCUS ADJUSTMENTS Inputs AC power PAL B G test pattern via RF input Outputs Picture tube drive Display Picture Action Select TV mode and tune to the signal Adjust focus potantiometer the upper pot on the rear side of the FBT transformer for optimum focusing drive 15 5 SCREEN ...

Page 91: ... RED button to access this group of item Select the parameter by pressing up down buttons Adjust the parameter by pressing left right buttons Store the settings by pressing OK button Switch the another parameter group by pressing the colour button of the related coloured headline of that group Exit production mode by pressing the MENU button on the remote control V SHIFT Change Vertical Shift by p...

Page 92: ... till the size of squares on both the upper and lower part of test pattern become equal to the squares laying on the vertical center of the test pattern Check and readjust S COR item if the adjustment becomes improper after some other geometric adjustments are done Min Value 128 Max Value 127 Recommended Value 027 LINRT Change Linearity by pressing Left Right buttons till all the size of squares o...

Page 93: ...R Change Lower Correction by pressing Left Right buttons till vertical lines at the lower corners of the picture frame become vertical and parallel to vertical corner sides of picture tube Check and readjust L COR item if the adjustment becomes improper after some other geometric adjustments are done Min Value 128 Max Value 127 Recommended Value 008 TILT This adjustment only works when the TV has ...

Page 94: ...7 Max Value 001 Recommended Value 05 AGC Apply PAL BG signal VHF 3 Channel 12 and 60dBuV signal level Adjust AGC Automatic Gain Control item by pressing Left Right buttons till the voltage at AGC point pin1 of the tuner becomes 3 0 volts Min Value 000 Max Value 031 Recommended Value 016 TLAN Text language is set Options are W T W E W E W T will be selected APS The option of APS Automatic Program S...

Page 95: ...P CNTRST Level of the PIP picture PIP Ydelay Luma delay of the PIP picture PIP Frame Colour selection of the PIP frame edges of the PIP EHTHP EHT compensation coefficient for horizontal phase EHTH TC EHT time constant for horizontal phase compensation EHTH EHT compensation coefficient for horizontal amplitude EHTV EHT compensation coefficient for vertical amplitude EHTV TC EHT time constant for co...

Page 96: ...FRONT Front AV ON OFF 7 DPL ON OFF 8 VD ON OFF 9 NSL ON OFF A PAP ON OFF B CTI ON OFF C AVL ON OFF SYSTEM GROUP Press YELLOW button in order to access this group of items 0 PAL B G ON OFF 1 PAL D K ON OFF 2 PAL I ON OFF 3 SECAM B G ON OFF 4 SECAM D K ON OFF 5 SECAM L L ON OFF 6 AUST ON OFF NOTE Settings values in Service menu are given for 28 4 3 THOMSON A66EHJ13X12 tube in this manual ...

Page 97: ...E SCART 3 Back_AV SCART 1 SCART 2 MSP 34XX Front_AV S1 S2 MONO IN QSS MAIN_R SDA TDA1308 L R HEADPHONE Center Surround R L MAIN_L S C L C_SW SC2_R Scart2_C SVHS SVHS_Y SVHS_C C Back_V Back_A Front_V Front_A 2 Feature Box Module 150V 160V 3 3V 3 3V ST BY 8V 5V 14V audio 14V audio 2 5V ST BY 14V 22V 12 VERT VERT HORZ DRIVE EW DDP3315C SMPS MC 44608 MOTOROLA ACTIVE PFC MC 33260 MOTOROLA S D A SCL PIP...

Page 98: ...37 18 CIRCUIT DIAGRAMS 11ak52b4 VIDEO ...

Page 99: ...38 11ak52b4 2 ...

Page 100: ...39 11ak52b4 3 ...

Page 101: ...40 11ak52b4 4 ...

Page 102: ...41 11fb2a3 1 ...

Page 103: ...42 11fb2a3 2 ...

Page 104: ...43 11fb2a3 3 ...

Page 105: ...44 11fb2a3 4 ...

Page 106: ...45 11uk06 1 ...

Page 107: ...46 11txt52 4 ...

Page 108: ...47 11rs52 ...

Page 109: ...48 11fav19a4 ...

Page 110: ...49 11ir2872 11tk109 ...

Page 111: ...50 11sb18 3 ...

Page 112: ...51 11tk117 11tk118 ...

Page 113: ...52 11tp52 1 ...

Page 114: ...53 11df41j 2 ...

Page 115: ...Schematics ...

Page 116: ...AK52 1 ...

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Page 121: ...AK52 B2 ...

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Page 126: ...AK52 B4 ...

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Page 131: ...FB52 A1 ...

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Page 137: ...FB52 A3 ...

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Page 142: ...TP52 1 ...

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Page 144: ...TXT52 ...

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Page 146: ...Parts List ...

Page 147: ...E bracketspeaker 128X77 55 Kg m3 PC 1 000 48 V50011720 LABEL HIGH END PC 1 000 49 V20111998 CRT KIT 29 AK52 WO UL PC 1 000 50 V30012971 29 DEG COIL EARTH CB FLAT W UL PC 1 000 51 V30016483 CNAS 2P 600 HRZ DIS W C UL1672AWG24 PC 1 000 52 V30019083 CNAS 2P 600 SIS W C FER UL1007AWG24 PC 1 000 53 V20115572 BUTTON ASSY 2919 SILVER P PC 1 000 54 V20004339 LENS PRE AMP 8 14 5 PC 1 000 55 V60000927 CRYST...

Page 148: ... NUT C ZN BOTTOM M3 PC 1 000 155 V35000165 KNURL WASHER C ZNSY 3 6 04 M3 PC 1 000 156 V35000189 SCREW C NI YSMB M3 6 PC 1 000 157 V30001855 SOCKET CRT NARROWNECK W GND PC 1 000 PL900A 164 V30000452 RES CF 1 4W 10R J PC 2 000 R923 R929 165 V30000459 RES CF 1 4W 100R J PC 3 000 R920 R921 R928 166 V30000466 RES CF 1 4W 1K J PC 3 000 R917 R924 R925 167 V30000477 RES CF 1 4W 100K J PC 1 000 R918 168 V3...

Page 149: ... 1 000 D104 273 V30007768 DIODE STTA506F 5A 600V 55A PC 1 000 D105 274 V30016686 TR 2SC5302 PC 1 000 Q101 275 V35000158 NUT C ZN BOTTOM M3 PC 3 000 276 V35000166 KNURL WASHER C NI 3 2 6 5 0 6 PC 3 000 277 V35000181 SCREW C ZN YSMB M3 8 PC 2 000 278 V35000182 SCREW C ZN YSMB M3 10 PC 1 000 279 V35005354 HEATSINK HORIZONTAL AK52 PC 1 000 280 V20106073 HE ASY 17PW02 STEPDOWN PC 1 000 Q813 281 V300078...

Page 150: ...1 16W 270R J 0603 PC 2 000 R153 R154 380 V30012689 RES SMD 1 16W 39K J 0603 PC 1 000 R152 382 V30009699 DIODE ZENER SMD BZT55C12 PC 1 000 D207 383 V30012581 CAP SMD 1NF 50V K R 0603 PC 2 000 C274 C284 384 V30012589 CAP SMD 4 7NF 50V K 0603 PC 2 000 C276 C287 385 V30012592 CAP SMD 6 8NF 50V K 0603 PC 2 000 C270 C271 386 V30012607 CAP SMD 150PF 50V J 0603 PC 4 000 C273 C280 C289 C290 387 V30012707 R...

Page 151: ...V K PULSE PC 4 000 C806 C813 C814 C815 496 V30009208 CAP CER 470PF 1KV K PULSE PC 1 000 C809 497 V30019641 CAP MKT 100NF 100V J NO HIT PC 1 000 C135 498 V30000284 CAP SMD 1NF 50V K R 0805 PC 1 000 C301 499 V30000294 CAP SMD 100NF 50V K 0805 PC 10 000 C100 C125 C126 C803 C823 C827 C846 C859 C817 C818 500 V30000309 CAP SMD 2 2NF 50V K R 0805 PC 1 000 C811 501 V30000469 RES SMD 1 10W 1K J 0805 PC 2 0...

Page 152: ...30018735 DIODE ZENER BZT55C15 15V SMD PC 2 000 D204 D205 577 V20123790 MD ASY FB52A 321112113321211 PC 1 000 579 V20101701 MD SMD FB52A FAV IN PC 1 000 581 V30000074 CAP MKT 100NF 63V J PC 1 000 C882 582 V30000315 CAP SMD 220NF 25V Z 0805 PC 2 000 C408 C409 583 V30001971 FERRITE BEAT 805 BLM21A601S PC 1 000 L850 584 V30012581 CAP SMD 1NF 50V K R 0603 PC 2 000 C415 C416 585 V30012589 CAP SMD 4 7NF ...

Page 153: ...P SMD 1NF 50V K R 0603 PC 14 000 C419 C420 C421 C425 C446 C447 C457 C458 C465 C466 C471 C623 C455 C456 655 V30012582 CAP SMD 10NF 50V K R 0603 PC 8 000 C605 C629 C630 C631 C633 C634 C635 C666 656 V30012583 CAP SMD 1 5NF 50V K 0603 PC 5 000 C662 C676 C684 C685 C686 657 V30012585 CAP SMD 2 2NF 50V K R 0603 PC 8 000 C614 C617 C622 C636 C647 C652 C653 C658 658 V30012589 CAP SMD 4 7NF 50V K 0603 PC 2 0...

Page 154: ... 3 0MM SIDE DR PC 2 000 PL857 PL858 714 V30001841 CONN HEADER 3P 2 5MM SIDE BLACK SD PC 1 000 PL401 716 V20131458 PR IC 52 AK52B FASTEXT TOSHIBA T022 PC 1 000 717 V30018652 IC SST37VF040 4MBIT 3 3V PDIP 32 PC 1 000 IC721 718 V30009846 CABL 1P 40 SIS PC 1 000 KX20 719 V20123848 IC 24C32 A058321112113221211 PC 1 000 720 V30015382 IC 24C32 3V PC 1 000 721 V20130362 CRT DIFF KIT AK52B 29 SAM RF893 130...

Page 155: ...30001892 RCA JACK 1P RED 28 FAV PC 1 000 CON104 782 V30001893 RCA JACK 1P YELLOW 28 FAV PC 1 000 CON102 784 V30001838 CONN HEADER 3P 2 5MM TOP YELLOW SD PC 1 000 PL105 785 V30001895 JACK 4P DIN TYPE FOR SVHS PC 1 000 CON101 786 V30001962 FERRITE AK18 VIDEO PC 2 000 T101 T102 791 V30000594 RES CF 1 4W 22K J PC 2 000 R107 R109 792 V30000712 RES CF 1 4W 470R J PC 2 000 R108 R110 793 V30009574 PCB 11S...

Page 156: ...Cabinet Exploded View ...

Page 157: ...QTY NO DESCRIPTION ...

Page 158: ...TOSHIBA Information Systems UK Ltd Consumer Products Division European Service Centre Admiralty Way Camberley Surrey GU15 3DT ...

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