Daewoo DSC-3210E, Service Manual

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Service manual SC-140
-3-
Fo
5-4-1 Introduction........................................................................................................................................... 49
5-4-2 CPU ...................................................................................................................................................... 49
............................................................................... 50
5-4-4 Tuning .................................................................................................................................................. 50
5-4-5 Automatic
rmat switching and WSS ............................................................................................... 50
5-4-6 EXTERNAL source control logic ........................................................................................................... 52
5-4-7 Over Current Protection ........................................................................................................................ 53
5-5Teletext Display ................................................................................................................................................. 53
5-6 Sound processing
............................................................................................................................................... 54
5-6-1 Analogue sound IF-input section ............................................................................................................ 54
5-6-2 Quadrature Mixers ........................................................................................................... ..................... 54
5-6-3 Phase and AM discr imination........................................................................................................... 54
5-6-4 NICAM decoder.................................................................................................................................... 55
5-6-5 DSP section.......................................................................................................................................... 55
5-6-6 Sound Mode switching.......................................................................................................................... 55
5-7 Sound amplification........................................................................................................................................... 55
5-7-1 Power amplifier..................................................................................................................................... 55
5-7-2 Mode selection....................................................................................................................................... 56
5-8 Vertical deflection............................................................................................................................................. 56
5-8-1 Flyback voltage..................................................................................................................................... 56
5-8-2 Protection.............................................................................................................................................. 56
5-8-3 Guard circuit.......................................................................................................................................... 56
5-8-4 Damping resistor................................................................................................................................... 56
5-8-5 EAST-WEST Amplifier (TDA8358J only)............................................................................................... 56
5-9 Power supply (STR F6653) .. .............................................................................................................................. 57
5-9-1 STR-F6654 gener aral description......................................................................................................... 57
5-9-2 Power supply primary par t operations ................................................................................................... 57
5-10TV start-up, TV normal run and stand by mode operations ............................................................................... 61
5-10-1 TV start-up operations .......................................................................................................................... 61
5-10-2 TV normal run and stand-by mode operations
....................................................................................... 62
6 - Service parts list................................................................................................................................................... 67
7 - Exploded View ........................................................................................................................................................ 76
........................................................................................................................................................ 77
........................................................................................................................................................ 78
8 - PCB Layout
9 - Circuit Diagram
5-4-3
-Controller I/O pin configuration and function