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4-5-2 TDA8358J ..............................................................................................................................................33
4-6 TDA6107Q..........................................................................................................................................................34
4-7 24C16 - 16 Kb EEPROM....................................................................................................................................37
4-8 STR - F6653.......................................................................................................................................................38
4-8-1 General description...............................................................................................................................38
4-8-2 Features.................................................................................................................................................38
4-8-3 Block diagram.......................................................................................................................................38
4-8-4 Pin description......................................................................................................................................39
4-8-5 Control part - electrical characteristics.................................................................................................39
4-8-6 MOSFET electrical characteristics.......................................................................................................40
5 - Circuit description..................................................................................................................................................41
5-1 Block diagram....................................................................................................................................................41
5-2 IF section............................................................................................................................................................42
5-2-1 Block diagram.......................................................................................................................................42
5-2-2 Vision IF Amplifier..................................................................................................................................42
5-2-3 Tuner-and VIF-ACG................................................................................................................................43
5-2-4 FPLL, VCO and AFC..............................................................................................................................43
5-2-5 Video Demodulation and Amplifier......................................................................................................44
5-5-6 Sound IF Amplifier and SIF-AGC.......................................................................................................44
5-2-7 Quasi-Parallel-Sound (QPS) Mixer.........................................................................................................44
5-2-8 Standard Switch....................................................................................................................................44
5-2-9 L’ Switch..................................................................................................................................................44
5-2-10Internal Voltage Stabiliser.....................................................................................................................44
5-3 Video - VCT description......................................................................................................................................45
5-3-1 Introduction............................................................................................................................................45
5-3-2 Video Front-end.....................................................................................................................................45
5-3-3 Input Selector........................................................................................................................................45
5-3-4 Clamping ................................................................................................................................................45
5-3-5 Automatic Gain Control........................................................................................................................45
5-3-6 Digitally Controlled Clock Oscillator.....................................................................................................45
5-3-7 Analogue Video Output........................................................................................................................45
5-3-8 Adaptive Comb Filter (VCT3834A only)................................................................................................46
5-3-9 Color Decoder.......................................................................................................................................46
5-3-10Horizontal Scaler...................................................................................................................................46
5-3-11Video Sync Processing........................................................................................................................47
5-3-12Display Processing................................................................................................................................47
5-3-13Chroma Transient Improvement............................................................................................................47
5-3-14Video Back-end.....................................................................................................................................47
5-3-15CRT Measurement and Control...........................................................................................................48
5-3-16Average Beam Current Limiter.............................................................................................................48
5-3-17Analogue RGB Insertion......................................................................................................................48
5-3-18Fast-Blank Monitor................................................................................................................................48
5-3-19Vertical and East/West Deflection.......................................................................................................49
5-3-20EHT Compensation................................................................................................................................49
5-3-21Reset Function......................................................................................................................................49
5-3-22Standby and Power-On........................................................................................................................49
5-4 Micro-controller.........................................................................................................................................................49
Service ma nual WP-895/895F. CP885/885F