DOCUMENT HISTORY................................................................................................................. 3 1 MAIN FEATURES.................................................................................................................. 4 1.1 SPECIFICATIONS.......................................................................................................... 4 1.1.1 GENERAL................................................................................................................ 4 1.1.2 EURO-SCART 1 (21 Pin)......................................................................................... 4 1.1.3 EURO-SCART 2 (21 Pin)......................................................................................... 5 1.2 CHANNEL/FREQUENCY TABLE .................................................................................. 6 2 SAFETY INSTRUCTION ....................................................................................................... 9 3 ALIGNMENT INSTRUCTIONS ............................................................................................ 10 3.1 MICROCONTROLLER CONFIGURATION : SERVICE MODE ................................... 10 3.2 SERVICE MODE NAVIGATION ................................................................................... 10 3.3 MICROCONTROLLER CONFIGURATION : OPTION BITS........................................ 10 3.4 OPTION 1 ..................................................................................................................... 11 3.5 OPTION 2 ..................................................................................................................... 11 3.6 NVM DEFAULT SETTING............................................................................................ 12 3.7 TV SET ALIGNMENT ................................................................................................... 14 3.7.1 G2 ALIGNMENT .................................................................................................... 14 3.7.2 WHITE BALANCE ................................................................................................. 14 3.7.3 FOCUS .................................................................................................................. 14 3.7.4 VERTICAL GEOMETRY........................................................................................ 14 3.7.5 HORIZONTAL PICTURE CENTRING ................................................................... 14 3.7.6 EAST / WEST CORRECTION ............................................................................... 14 3.7.7 AGC ....................................................................................................................... 15 4 IC DESCRIPTION ................................................................................................................ 16 III4.1 UOC SERIES ............................................................................................................. 16 4.1.1 IC MARKING AND VERSION................................................................................ 16 4.2 TDA8946J STEREO AUDIO AMPLIFIER .................................................................... 24 4.2.1 FEATURES............................................................................................................ 25 4.3 TDA8358J VERTICAL AMPLIFIER ............................................................................. 27 4.3.1 TDA8358J.............................................................................................................. 27 4.4 TDA6107AJF................................................................................................................ 29 4.4.1 Features................................................................................................................. 29 4.4.2 Pin description ....................................................................................................... 29 4.5 24WC16 - 16 KB EEPROM .......................................................................................... 30 4.6 STR - F6653 ................................................................................................................. 31 4.6.1 GENERAL DESCRIPTION .................................................................................... 31 4.6.2 FEATURES............................................................................................................ 31 4.6.3 BLOCK DIAGRAM................................................................................................. 31 4.6.4 PIN DESCRIPTION ............................................................................................... 32 4.6.5 CONTROL PART - ELECTRICAL CHARACTERISTICS....................................... 32 4.6.6 MOSFET ELECTRICAL CHARACTERISTICS ...................................................... 33 5 CIRCUIT DESCRIPTION ..................................................................................................... 34 5.1 BLOCK DIAGRAM ....................................................................................................... 34 5.2 FUNCTIONAL DESCRIPTION OF VIDEO PROCESSOR ........................................... 35 5.2.1 Vision IF amplifier .................................................................................................. 35 5.2.2 QSS sound circuit .................................................................................................. 35 5.2.3 FM demodulator..................................................................................................... 35 5.2.4 Audio input selector and volume contro ................................................................. 36 5.2.4.1 STEREO AND AV STEREO VERSIONS ........................................................... 36 5.2.4.2 MONO VERSIONS ............................................................................................ 36 5.2.5 CVBS and Y/C input signal selection..................................................................... 36 5.2.5.1 ALL VERSIONS ................................................................................................. 36 5.2.6 Synchronisation circuit ........................................................................................... 37 5.2.7 Horizontal and vertical drive................................................................................... 38 5.2.8 Chroma, luminance and feature processing .......................................................... 38 5.2.9 Colour decoder ...................................................................................................... 39 5.2.10 RGB output circuit.................................................................................................. 40 5.2.11 I2C-BUS USER INTERFACE DESCRIPTION ....................................................... 42 5.3 GENERAL DESCRIPTION OF THE TV SOUND OF SOUND PROCESSOR.............. 42 5.3.1 Supported standards ............................................................................................. 43 5.4 FUNCTIONAL DESCRIPTION SOUND PROCESSOR ............................................... 44 5.4.1 The UOC III TV Sound Concept ............................................................................ 44 5.4.2 Functional Overview Of the digital controller sound part........................................ 45 5.4.3 Demodulator and decoder ..................................................................................... 46 6 SERVICE PARTS LIST ....................................................................................................... 49 6.1 DTY-28A8FZF-S........................................................................................................... 49 6.2 DTC-20T2FZS-S........................................................................................................... 54 6.3 DTC-21Y1FZF-S........................................................................................................... 59 6.4 DTZ-29U7FZS-S........................................................................................................... 64 7 EXPLODED VIEW ............................................................................................................... 69 7.1 DTY-28A8 ..................................................................................................................... 69 7.2 DTY-2880 ..................................................................................................................... 70 7.3 DTY-21U7..................................................................................................................... 71 7.4 DTC-20T2..................................................................................................................... 72 7.5 DTC-21Y1..................................................................................................................... 73 7.6 DTZ-29U7 ..................................................................................................................... 74 7.7 DTZ-2881...................................................................................................................... 75 7.8 DTZ-2481...................................................................................................................... 76 8 PRINTED CIRCUIT BOARD................................................................................................ 77 8.1 4859809693(CP-520) ................................................................................................... 77 8.2 4859809893(CP-520A)................................................................................................. 78 8.3 4859809993(CP-520F) ................................................................................................. 79 9 SCHEMATIC DIAGRAM...................................................................................................... 80 9.1 CP-520.......................................................................................................................... 80 9.2 CP-520A ....................................................................................................................... 81 9.3 CP-520F ....................................................................................................................... 82