Daewoo DDT-21H9ZZF, Service Manual

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Service Manual CP-099F
-3-
5-3-14 Video Back-end ---------------------------------------------------------------------------------------------------------- 41
5-3-15 CRT Measurement and Control --------------------------------------------------------------------------------------- 41
5-3-16 Average Beam Current Limiter ---------------------------------------------------------------------------------------- 41
5-3-17 Analogue RGB Insertion ----------------------------------------------------------------------------------------------- 41
5-3-18 Fast-Blank Monitor ----------------------------------------------------------------------------------------------------- 41
5-3-19 Vertical and East/West Deflection ------------------------------------------------------------------------------------- 42
5-3-20 EHT Compensation ----------------------------------------------------------------------------------------------------- 42
5-3-21 Reset Function ----------------------------------------------------------------------------------------------------------- 42
5-3-22 Standby and Power-On ------------------------------------------------------------------------------------------------- 42
5-4 Microcontroller ----------------------------------------------------------------------------------------------------------------- 42
5-4-1 Introduction ---------------------------------------------------------------------------------------------------------------- 42
5-4-2 CPU ------------------------------------------------------------------------------------------------------------------------- 42
5-4-3 -Controller I/O pin configuration and function ---------------------------------------------------------------------- 42
5-4-4 Tuning ---------------------------------------------------------------------------------------------------------------------- 43
5-4-5 Over Current Protection -------------------------------------------------------------------------------------------------- 43
5-5 Teletext Display ---------------------------------------------------------------------------------------------------------------- 43
5-6 Sound processing --------------------------------------------------------------------------------------------------------------- 44
5-6-1 Analogue sound IF - input section -------------------------------------------------------------------------------------- 44
5-6-2 Quadrature Mixers -------------------------------------------------------------------------------------------------------- 44
5-6-3 Phase and AM discrimination ------------------------------------------------------------------------------------------- 44
5-6-4 NICAM decoder ---------------------------------------------------------------------------------------------------------- 44
5-6-5 DSP section ---------------------------------------------------------------------------------------------------------------- 44
5-6-6 Sound Mode switching --------------------------------------------------------------------------------------------------- 44
5-7 Sound amplification ------------------------------------------------------------------------------------------------------------ 45
5-7-1 Power amplifier ----------------------------------------------------------------------------------------------------------- 45
5-7-2 Mode selection ------------------------------------------------------------------------------------------------------------ 45
5-8 Vertical deflection -------------------------------------------------------------------------------------------------------------- 45
5-8-1 Flyback voltage ----------------------------------------------------------------------------------------------------------- 45
5-8-2 Protection ------------------------------------------------------------------------------------------------------------------ 45
5-8-3 Guard circuit --------------------------------------------------------------------------------------------------------------- 46
5-8-4 Damping resistor ---------------------------------------------------------------------------------------------------------- 46
5-8-5 EAST-WEST Amplifier (TDA8358J) ---------------------------------------------------------------------------------- 46
5-9 Power supply (STR F6654) --------------------------------------------------------------------------------------------------- 46
5-9-1 STR-F6654 general desctrption ----------------------------------------------------------------------------------------- 46
5-9-2 Power supply primary part operations --------------------------------------------------------------------------------- 46
5-10 TV start-up, TV normal run and stand by mode operations ------------------------------------------------------------ 49
5-10-1 TV start-up operations -------------------------------------------------------------------------------------------------- 49
5-10-2 TV normal run and stand-by mode operations ---------------------------------------------------------------------- 50
5-11 DVD Loder -------------------------------------------------------------------------------------------------------------------- 53
5-11-1 Mechanism --------------------------------------------------------------------------------------------------------------- 53
5-11-2 Electirical Troubleshooting Guide ------------------------------------------------------------------------------------ 57
5-11-3 Circuit --------------------------------------------------------------------------------------------------------------------- 59
6. Service Parts list ----------------------------------------------------------------------------------------------------------------------- 64
7. Different Parts List By CRT ---------------------------------------------------------------------------------------------------------- 73
8. Exploded View ------------------------------------------------------------------------------------------------------------------------- 74
9. Printed Circuit Board ----------------------------------------------------------------------------------------------------------------- 76
10. Schematic Diagram ------------------------------------------------------------------------------------------------------------------ 79