SERVICE MANUAL FOR M35&36; CHASSIS

More documents

Recommendations

Info

TCL 7. VCT3831A Video/Controller/Teletext IC Chassis M35&<strong>36</strong> Service Manual Introduction The VCT 3831A is a high-quality singlechip TV processors. Modular design and a submicron technology allow the economic integration of features in all classes of TV sets. VCT 3831A contains the entire video, display and deflection processing for 4:3 and 16:9 50/60-Hz TV sets. The integrated microcontroller is supported by a powerful OSD generator with integrated teletext acquisition which can be upgraded with onchip page memory. With volume control and audio input select the basic audio features for mono TV sets are integrated. Features 1. Video Features – four composite video inputs, two S-VHS inputs – analog YCrCb input – composite video monitor – multistandard color decoder (1 crystal) – multistandard sync decoder – black-line detector – adaptive 2H comb filter Y/C separator – horizontal scaling (0.25 to 4) – Panoramavision – black-level expander – dynamic peaking – soft limiter (gamma correction) – color transient improvement – programmable RGB matrix – analog RGB/Fastblank input – half-contrast switch – picture frame generator – scan velocity modulation output – high-performance H/V deflection – angle and bow correction – separate ADC for tube measurements – EHT compensation 2. Microcontroller Features – 8-bit, 10-MHz CPU (65C02) – 96 kB program ROM on chip – 1 kB program RAM on chip – memory banking – 16-input, 16-level interrupt controller – patch modul for 10 ROM locations – two 16-bit reloadable timers – capture compare modul – watchdog timer – 14-bit PWM for voltage synthesis – four 8-bit PWMs – 10-bit ADC with 15:1 input MUX – I2C bus master interface – 24 programmable I/O ports 3. OSD Features – 3 kB OSD RAM on chip – WST level 1.5 compliant – WST level 2 parallel attributes – 32 foreground/background colors – programmable color look-up table – 1024 mask programmable characters – 24 national languages (Latin, Cyrillic, Greek, Arabic, Farsi, Hebrew) – character matrix 8x8, 8x10, 8x13, 10x8, 10x10, 10x13 – vertical soft scroll – 4-color mode for user font 4. Teletext Features – four programmable video inputs – acquisition is independent from display part – adaptive data slicer – signal quality detection – WST, PDC, VPS, and WSS acquisition – high-level command language – EPG, FLOF, and TOP support – 10 pages memory on chip – up to 500 pages with external SRAM 5. Audio Features – three mono inputs – two mono outputs – programmable channel select – volume control for one mono channel 6. General Features – submicron CMOS technology – low-power standby mode – single 20.25-MHz crystal – 64-pin PSDIP package – 128-pin PMQFP package – emulator chip for software development 38 03.Mar.2003
TCL Chip Architecture Chassis M35&<strong>36</strong> Service Manual Fig.: Block diagram of the VCT 3831A (shaded blocks are optional) 39 03.Mar.2003
Page 1 and 2: TCL Chassis M35&36 Service Manual S
Page 3 and 4: TCL [Treble, Bass, Balance Control
Page 7 and 8: TCL PART IV. IC Pin Description 1.
Page 9 and 10: TCL - as a protection against over
Page 11 and 12: TCL Chassis M35&36 Service Manual v
Page 13 and 14: TCL Chassis M35&36 Service Manual P
Page 15 and 16: TCL Chassis M35&36 Service Manual N
Page 17 and 18: TCL Chassis M35&36 Service Manual A
Page 21 and 22: TCL 6. TDA7057AQ Audio Output Ampli
Page 23 and 24: TCL APPLICATION DIAGRAM Chassis M35
Page 25 and 26: TCL Chassis M35&36 Service Manual 7
Page 27 and 28: TCL Signal flow block diagram (inpu
Page 29 and 30: TCL Chassis M35&36 Service Manual T
Page 31 and 32: TCL decay time: 37 ms Chassis M35&3
Page 33 and 34: TCL (Fig. 9) Word strobe line for t
Page 35 and 36: TCL Pin Circuits Pin No. Pin Name T
Page 37: TCL Chassis M35&36 Service Manual P
Page 41 and 42: TCL Pin Connections and Short Descr
Page 43 and 44: TCL operation, it must be connected
Page 45 and 46: TCL Pin 59, SCL . I2C Bus Clock (Fi
Page 51 and 52: TCL c. Press [V-] to make the Addre
Page 55 and 56: TCL Chassis M35&36 Service Manual C
Page 57 and 58: TCL Chassis M35&36 Service Manual O
Page 89 and 90:
TCL PART . Safety & EMC Components
Page 91 and 92:
TCL Chassis M35&36 Service Manual P
show all

SERVICE MANUAL FOR M35&36; CHASSIS

Create successful ePaper yourself

Delete template?

Save as template?