vestel 17MB22 Schematic

TABLE OF CONTENTS
1. INTRODUCTION.......................................................................................................................5
2. TUNER........................................................................................................................................ 5
2.1 General description of UV1316:........................ ... ..... ..... ... ..... ... ..... ...... .. ...... .. ...... ..... ... ....5
2.2 Features of UV1316:..... .. ..................................................................................................5
2.3 Pinning: ........................................... ................................... ................................... ............ 6
3. AUDIO AMPLIFIER STAGE WITH MP7722................................................... .......................6
3.1 General Description................. ...... .. ...... ..... ... ..... ... ..... ..... ... ..... ... ..... ... ..... ...... .. ...... .. ...... ....6
3.2 Features ................................................................. .. ................................ ... .......................6
3.4 Absolute Ratings..................... ...... .. ...... ..... ... ..... ..... ... ..... ...... .. ...... ..... ... ..... ..... ... ..... ... ....... 7
3.5 Pinning ............................................................ ................................... ...............................7
4. POWER STAGE.........................................................................................................................7
5. MICROCONTROLLER (VCTP) ...............................................................................................8
5.1 General Features.................................... ..... ..... ... ..... ... ..... ...... .. ...... ..... ... ..... ... ..... ..... ... .......8
5.2 Multistandard Sound Processor (MSP) Features ..............................................................9
5.3 Video Features......................... ... ..... ... ..... ...... .. ...... ..... ... ..... ... ..... ..... ... ..... ... ..... ...... .. .......... 9
5.4 Controller Features........................ .. ...... ..... ... ..... ... ..... ..... ... ..... ...... .. ...... ..... ... ..... ..... ... ... ..10
5.5 OSD & Teletext Features.............................................................. .. ...... ..... ... ..... ..... ... .....11
5.6 Port Allocation ........................................................................ ................................... . .... 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 STEREO HEADPHONE DRIVER TDA1308........................ ... ..........................22
8.1. General Description................... .....................................................................................22
8.2 Features ................................................................. .. ................................ ... .....................22
8.3. Pinning ........................................................................................................................... 23
9. SAW FILTER X6966M............................................................................................................ 23
9.1 Features:.......................................................... ... ................................ ... ..........................23
9.2 Pin configuration:............ ... .............................................................................................24
9.3 Frequency response:.............................................................. .. ................................... ..... 24
10. IC DESCRIPTIONS AND INTERNAL BLOCK DIAGRAM.............................................25
10.1. LM1117............................................................................................................................ 25
10.1.1. General Description.............. ................................................................ ... ..................25
10.1.2. Features.....................................................................................................................25
10.1.3. Applications .................................................................................... ..........................25
10.1.4. Absolute Maximum Ratings......................................................................................26
10.1.5. Pinning ...................................................................................................................... 26
10.2. LM1086............................................................................................................................ 26
10.2.1. General Description.............. ................................................................ ... ..................26
10.2.2. Features.....................................................................................................................26
10.2.3. Applications .................................................................................... ..........................26
10.2.4. Absolute Maximum Ratings......................................................................................27
10.2.5. Pinning ...................................................................................................................... 27
10.3. MP1593............................................................................................................................ 27
10.3.1. General Description.............. ................................................................ ... ..................2
7
10.3.2. Features.....................................................................................................................28
10.3.3. Applications .................................................................................... ..........................28
10.3.4. Absolute Maximum Ratings......................................................................................28
10.3.5. Electrical Characteristics...........................................................................................29
10.3.6. Pinning ...................................................................................................................... 29
10.4. FDC642P..........................................................................................................................30
10.4.1. General Description............................. ... .................................. ................................30
10.4.2 . Features ............................................ ................................... .....................................30
10.4.3. Absolute Maximum Ratings......................................................................................30
10.4.4. Pinning ...................................................................................................................... 30
10.5. SIL9011............................................................................................................................31
10.5.1 Features .................................... .. ................................................................................31
10.6. 24LC02........... .................................. ................................... ................................... .......... 31
10.6.1. General Description.............. ................................................................ ... ..................31
10.6.2 Features .................................... .. ................................................................................31
10.6.3 Pinning ............................................................. .................................. ... .....................32
10.7. µPA672T..........................................................................................................................32
10.7.1. General Description.............. ................................................................ ... ..................32
10.7.2. Features.....................................................................................................................33
10.7.3 Absolute Maximum Ratings..................... ..... ..... ... ..... ... ..... ...... .. ...... ..... ... ..... ..... ... .....33
10.7.4 Pinning ............................................................. .................................. ... .....................33
10.8. M74HC4052..................................................................................................................... 33
10.8.1. General Description.............. ................................................................ ... ..................33
10.8.2. Features.....................................................................................................................33
10.8.3 Absolute Maximum Ratings..................... ..... ..... ... ..... ... ..... ...... .. ...... ..... ... ..... ..... ... .....34
10.8.4 Pinning ............................................................. .................................. ... .....................34
10.9. Max809.............................................................................................................................35
10.9.1. General Description.............. ................................................................ ... ..................35
10.9.2. Features.....................................................................................................................35
10.9.3 Absolute Maximum Ratings..................... ..... ..... ... ..... ... ..... ...... .. ...... ..... ... ..... ..... ... .....35
10.9.4 Pinning ............................................................. .................................. ... .....................36
10.10. 24LC21......................................................... .................................. ................................37
10.10.1. General Description................. ...... ..... ... ..... ... ..... ..... ... ..... ...... .. ...... .. ...... ..... ... ..... ... ..37
10.10.2. Features................................. ..................................................................................37
10.10.3 Absolute Maximum Ratings..................... ................................... .............................37
10.10.4 Pinning ..................................................................................................................... 38
11.SERVICE MENU SETTINGS.................................................................................................38
11.1. Video Setup........................................ .. ...... ..... ... ..... ... ..... ..... ... ..... ...... .. ...... ..... ... ..... ..... 38
11.2. AudioSetup........... ...... .. ...... ..... ... ..... ..... ... ..... ...... .. ...... ..... ..... ... ..... ...... .. ...... ..... ... ..... ..... 38
11.3. Options 1............................ ..... ... ..... ..... ... ..... ...... .. ...... ..... ... ..... ..... ... ..... ... ..... ...... .. ........ 39
11.4. Options 2............................ ..... ... ..... ..... ... ..... ...... .. ...... ..... ... ..... ..... ... ..... ... ..... ...... .. ........ 40
11.5. Service Scan/Tuning Setup.................................. ... .....................................................41
11.6. External Source Settings.............................. ................................................................41
11.7. Picture Mode................................................................................................................41
11.8. Reset TV-Set........................ ...... .. ...... ..... ... ..... ..... ... ..... ... ..... ...... .. ...... ..... ... ..... ..... ... ..... 42
12. SOFTWARE UPDATE DESCRIPTION.............................. .. ................................................ 42
2
12.1 Analog Software Update Vi a I
C...................................................................................... 42
12.2 Analog Software Update Via UART ................................................................................43
13. BLOCK DIAGRAMS................................... ..... ... ..... ..... ... ..... ... ..... ...... .. ...... ..... ... ..... ..... ... .....44
13.1. General Block Diagram............................... ... ..................................................................44
13.2. Power Management..........................................................................................................45
13.3. DRX (IF Demodulator) Block Diagram........................................................................... 46
13.4. VCTP.............................................. .. ................................... ............................................. 47
13.4.1. General Block Diagram........................................................ ................................ ... ..47
13.4.2. MSP Block Diagram................................................................................................. 48
13.4.3 Video Processor of VCT 6wxyP Block Diagram................................................49
1. INTRODUCTION
17MB22 Main Board consists of Micronas concept, VCTP as controller. This IC is capable of handling Audio processing, video processing, motion adaptive upconversion(MAU), Scaling-Display processing and FPD control (DPS),unified memory for audio video and Text, 3D comb filter-PC connectivity , OSD and text processing. TV supports PAL, SECAM, NTSC colour standards and multiple transmission standards as B/G, D/K, I/I’, and L/L’ including German and NICAM 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 YPbPr 1 PC input 1 HDMI input 1 Stereo audio input for PC
2. TUNER
As the thickness of the TV set has a limit, a horizontal mounted tuner is used in the product, which is suitable for CCIR systems B/G, H, L/ L’, I/I’, and D/K. The tuning is available through the digitally controlled I2C bus (PLL). Below you will find info on the Tuner in use.
2.1 General description of UV1316:
The UV1316 tuner belongs to the UV 1300 family of tuners, which are designed to meet a wide range of applications. It is a combined VHF, 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.
2.2 Features of UV1316:
Member of the UV1300 family small sized UHF/VHF tuners
Systems CCIR: B/G, H, L, L’, I and I’; OIRT: D/K
Digitally controlled (PLL) tuning via I2C-bus
Off-air channels, S-cable channels and Hyper band
Compact size
Complies with the requirements of radiation, signal handling capability and
immunity conforming to European standards “CENELEC EN55020” and “EN55013”.
2.3 Pinning:
3. AUDIO AMPLIFIER STAGE WITH MP7722
3.1 General Description
The MP7722 is a stereo 20W Class D Audio amplifier, intended for use as low frequency power amplifier in a wide range of applications in radio and TV sets. It uses a minimum number of external components to complete a stereo Class D audio amplifier.
3.2 Features
2 x 20W Output at VDD = 24V into a 4 load
THD+N = 0.06% at 1W, 8
93% Efficiency at 20W
Low Noise (190µV Typical)
Switching Frequency Up to 1MHz
9.5V to 24V Operation from a Single Supply
Integrated Startup and Shutdown Pop Elimination Circuit
Thermal and Short Circuit Protection
Integrated 180m Switches
Mute/Standby Modes (Sleep)
Thermally Enhanced 20-Pin TSSOP Package with Exposed Pad
3.3 Application s
Surround Sound DVD Systems
Televisions
Flat Panel Monitors
Multimedia Computers
Home Stereo Systems
3.4 Absolute Ratings
3.5 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 generates +24V for audio amplifier, 1.8V and 3.3V stand by voltage and 8V, 12V, 5V and 3.3V supplies for other different parts of the chassis.
5. MICROCONTROLLER (VCTP)
5.1 General Feat ures
The VCT 6wxyP is dedicated to high-quality FPD and double-scan TV sets. The VCT 6wxyP family is based on functional blocks contained and approved in existing products like VCT 49xxI, VSP 94x5B, and DPS 94xxA. Each member of the family contains the entire audio, video, up-conversion processing for 4:3 and 16:9 50/ 60 Hz progressive or 100/120 Hz interlaced stereo TV sets and the control/data interface for flat-panel displays. The integrated microcontroller is supported by a powerful OSD and graphics generator with integrated teletext acquisition. Controller:
High-performance 8-bit microcontroller, 8051 compatible
Up to 512 kByte in system program Flash
WST, PDC, VPS, and WSS acquisition
Closed caption and V-chip acquisition
Up to 10 page on chip teletext memory
Up to 1000 pages with internal memory
Up to 30 GPIO
Audio:
Multistandard TV-sound demodulation:
-All A2/NICAM standards
-BTSC/SAP with DBX
-EIA-J
Baseband sound processing for loudspeaker channel:
-Volume, bass, treble, loudness, balance
-Spatial effect (e.g. pseudo stereo)
-Micronas AROUND (Virtual Dolby Surround optional)
-Micronas BASS
-BBE
-SRS WOW
-SRS TruSurround XT
-Lipsync function
Video:
CVBS, S-VHS, YCrCb and RGB inputs
HDTV YPrPb and RGB inputs
ITU656 input
Linedoubling with vertical detail enhancement (without internal memory)
State of the art motion adaptive up conversion (with internal memory)
4H adaptive comb filter for PAL/NTSC (without internal memory)
3D comb filter for PAL/NTSC (with internal memory) (Optional)
Internal SDR RAM interface
Powerful horizontal and vertical scaling inclusive
Nonlinear horizontal scaling “panorama vision”
picture adaptive image improvements (DCE, LSE, CTI, SCE, NCE)
non-linear colorspace enhancement (NCE) with 32 programmable slopes and
sections per RGB component (blue stretch, static black stretch, gamma correction).
Dynamic contrast enhancement (DCE) (histogram based black stretch with peak black and activity detection and contrast adaption)
Luma sharpness enhancement (LSE)
Color transient improvement (CTI)
Selective color enhancement (SCE) for skin tone correction, blue and green
stretch
5.2 Multistandard Sound Processor (MSP) Features
The MSP receives the analog Sound IF signal from the tuner and converts it to digital with its 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 version are processed in analog mono sound of the standard. In that case, stereo or bilingual processing will not be possible.
Sound IF input
Worldwide FM/AM-mono sound demodulation
FM stereo sound demodulation (A2, EIA-J)
BTSC/SAP demodulation with DBX
NICAM demodulation
FM radio & RDS/RBDS demodulation
Automatic standard detection
automatic volume correction (AVC)
Automatic sound select
Baseband processing for loudspeaker channel:
volume, bass, treble, loudness, balance
-spatial effect (e.g. pseudo stereo)
-Micronas AROUND
-Micronas BASS
-SRS WOW (optional)
-SRS TruSurround XT (optional)
-delayline for lipsync function (shared memory)
-Virtual Dolby Surround (optional)
1 I2S input for external ATSC/DVD decoder
1 I2S interface for audio delayline
1 SPDIF output
Audio i/o switches
-4 analog stereo line inputs and 2 analog stereo line outputs (configurable 5 analog stereo line inputs and 1 analog stereo line output)
-1 analog stereo loudspeaker output
-1 analog subwoofer output
-1 analog stereo headphone output
5.3 Video Features
The TVT is a 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 PALplus transmissions (line 23). The device also supports Closed Caption acquisition and decoding.
The TVT provides an integrated general-purpose, fully 8051-compatible microcontroller with television-specific hardware features. The microcontroller has been enhanced to provide powerful features such as memory banking, data pointer, additional interrupts, shared memory access etc. The TVT has an internal XRAM of 32 KB and a BOOT ROM of 4 KB. For operation the code is fetched from a 16bit FLASH, which can be addressed up to 1 MByte. The controller with dedicated hardware does most of the internal TTX acquisition processing, transfers data to/from external memory interface, and receives/transmits data via I2C-bus interface. In combination with dedicated hardware, the slicer stores TTX data in a VBI buffer of 1 KB. The microcontroller firmware performs all the acquisition tasks (hamming and parity checks, page search, and evaluation of header control bits) once per field. Additionally, the firmware 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 technology with 1.8 V supply voltage and 3.3 V I/O (TTL compatible).
16 analog video inputs (4xCVBS/Y/C + 3xRGB/YCrCb/YPrPb)
Video input switch matrix
3 analog video outputs (integrated Y+C adder)
24-bit RGB/H/V/clk input (e.g. ext. DVI decoder) or 656 8bit input
656 8bit input/output (e. g. for external high-end up conversion by FRCA)
Multi-standard color decoder PAL/NTSC/SECAM including all substandards
2D adaptive comb filter for PAL/NTSC with vertical peaking
3D-comb filter for PAL/NTSC (Optional)
Macrovision compliant multi-standard sync processing
Trilevel sync slicer for HDTV
Macrovision detection
High-quality soft mixer controlled by Fast Blank (alpha blending)
Fastblank monitor via I2C
Noise measurement
Letterbox detection (auto-wide)
Split screen (OSD and video side by side) and AV PIP
5.4 Controller F eat u res
The TVT is a 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 PALplus transmissions (line 23). The device also supports Closed Caption acquisition and decoding. The TVT provides an integrated general-purpose, fully 8051-compatible microcontroller with television-specific hardware features. The microcontroller has been enhanced to provide powerful features such as memory banking, data pointer, additional interrupts, shared memory access etc.
High performance 8-bit microcontroller, 8051 instruction set compatible
81 MHz system clock, two machine cycles per instruction
On-chip debug support (OCDS)
Up to 512 kByte in system program Flash
256 byte on-chip program RAM
128 byte on-chip extended stack RAM
4-level, 24-input interrupt controller
Patch module for 16 ROM locations
Two 16-bit reloadable timers
Capture compare timer for infrared decoding
Watchdog timer
Uart
Real time clock
PWM units (2 channels 14-bit, 6 channels 8-bit)
8-bit ADC (4 channels)
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 onscreen displays. The TVT has an internal XRAM of 32 KB and a BOOT ROM of 4 KB. For operation the code is fetched from a 16bit FLASH, which can be addressed up to 1 MByte. In combination with dedicated hardware, the slicer stores TTX data in a VBI buffer of 1 KB. The microcontroller firmware performs all the acquisition tasks (hamming and parity checks, page search, and evaluation of header control bits) once per field. Additionally, the firmware 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.
5.6 Port Allocati o n
Loading...
+ 34 hidden pages