- 2 -
4-5-2 TDA8358J ..............................................................................................................................................34
4-6 TDA6107Q..........................................................................................................................................................35
4-7 24C16 - 16 Kb EEPROM....................................................................................................................................38
4-8 STR - F6653.......................................................................................................................................................39
4-8-1 General description...............................................................................................................................39
4-8-2 Features.................................................................................................................................................39
4-8-3 Block diagram.......................................................................................................................................39
4-8-4 Pin description......................................................................................................................................40
4-8-5 Control part - electrical characteristics.................................................................................................40
4-8-6 MOSFET electrical characteristics.......................................................................................................41
5 - Circuit description..................................................................................................................................................42
5-1 Block diagram....................................................................................................................................................42
5-2 IF section............................................................................................................................................................43
5-2-1 Block diagram.......................................................................................................................................43
5-2-2 Vision IF Amplifier..................................................................................................................................43
5-2-3 Tuner-and VIF-ACG................................................................................................................................44
5-2-4 FPLL, VCO and AFC..............................................................................................................................44
5-2-5 Video Demodulation and Amplifier......................................................................................................45
5-5-6 Sound IF Amplifier and SIF-AGC.......................................................................................................45
5-2-7 Quasi-Parallel-Sound (QPS) Mixer.........................................................................................................45
5-2-8 Standard Switch....................................................................................................................................45
5-2-9 L’ Switch..................................................................................................................................................45
5-2-10Internal Voltage Stabiliser.....................................................................................................................45
5-3 Video - VCT description......................................................................................................................................46
5-3-1 Introduction............................................................................................................................................46
5-3-2 Video Front-end.....................................................................................................................................46
5-3-3 Input Selector........................................................................................................................................46
5-3-4 Clamping ................................................................................................................................................46
5-3-5 Automatic Gain Control........................................................................................................................46
5-3-6 Digitally Controlled Clock Oscillator.....................................................................................................46
5-3-7 Analogue Video Output........................................................................................................................46
5-3-8 Adaptive Comb Filter (VCT3834A only)................................................................................................47
5-3-9 Color Decoder.......................................................................................................................................47
5-3-10Horizontal Scaler...................................................................................................................................47
5-3-11Video Sync Processing........................................................................................................................48
5-3-12Display Processing................................................................................................................................48
5-3-13Chroma Transient Improvement............................................................................................................48
5-3-14Video Back-end.....................................................................................................................................48
5-3-15CRT Measurement and Control...........................................................................................................49
5-3-16Average Beam Current Limiter.............................................................................................................49
5-3-17Analogue RGB Insertion......................................................................................................................49
5-3-18Fast-Blank Monitor................................................................................................................................49
5-3-19Vertical and East/West Deflection.......................................................................................................50
5-3-20EHT Compensation................................................................................................................................50
5-3-21Reset Function......................................................................................................................................50
5-3-22Standby and Power-On........................................................................................................................50
5-4 Micro-controller.........................................................................................................................................................50
Service ma nual WP-895/895F. CP885/885F. CP485F
To Next Page
Loading...