Daewoo DDT-21H9ZZF, Руководство по обслуживанию

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Service Manual CP-099F
-2-
4-2-1-3 Analogue Section ------------------------------------------------------------------------------------------------------ 22
4-2-1-4 NICAM plus FM/AM-Mono ----------------------------------------------------------------------------------------- 22
4-2-1-5 German 2-Carrier System (DUAL FM System) ------------------------------------------------------------------- 22
4-3 TDA9886 IIC-bus controlled single/multi standard algnment-free IF-PLL -------------------------------------------- 25
4-3-1 DISCRIPTION ------------------------------------------------------------------------------------------------------------ 25
4-3-2 FEATURES ---------------------------------------------------------------------------------------------------------------- 25
4-3-3 PINNING ------------------------------------------------------------------------------------------------------------------ 25
4-4 TDA894xJ Stereo Audio Amplifer ------------------------------------------------------------------------------------------ 27
4-1-1 Features -------------------------------------------------------------------------------------------------------------------- 27
4-5 TDA835xJ Vertical Amplifier ------------------------------------------------------------------------------------------------ 29
4-5-1 TDA8358J ----------------------------------------------------------------------------------------------------------------- 29
4-6 TEA5101B ---------------------------------------------------------------------------------------------------------------------- 30
4-7 24C16 - 16 Kb EEPROM ----------------------------------------------------------------------------------------------------- 32
4-8 STR - F6654 -------------------------------------------------------------------------------------------------------------------- 32
4-8-1 General description ------------------------------------------------------------------------------------------------------- 32
4-8-2 Features -------------------------------------------------------------------------------------------------------------------- 32
4-8-3 Block diagram ------------------------------------------------------------------------------------------------------------- 33
4-8-4 Pins description ----------------------------------------------------------------------------------------------------------- 33
4-8-5 Control part electrical characteristics ---------------------------------------------------------------------------------- 34
4-8-6 MOSFET electrical chatacteristics ------------------------------------------------------------------------------------- 34
5- Circuit description --------------------------------------------------------------------------------------------------------------------- 35
5-1 Block diagram ------------------------------------------------------------------------------------------------------------------ 35
5-2 IF section ------------------------------------------------------------------------------------------------------------------------ 36
5-2-1 Picture IF Amplifier ------------------------------------------------------------------------------------------------------ 36
5-2-2 Tuner and VIF-AGC ------------------------------------------------------------------------------------------------------ 36
5-2-3 VIF-AGC detector -------------------------------------------------------------------------------------------------------- 36
5-2-4 Frequency phase-Locked Loop(FPLL) detector ---------------------------------------------------------------------- 36
5-2-5 VCO and divider ---------------------------------------------------------------------------------------------------------- 36
5-2-6 Digital acquisition help and AFC --------------------------------------------------------------------------------------- 37
5-2-7 Video demodulator and amplifier --------------------------------------------------------------------------------------- 37
5-2-8 Sound carrier trap --------------------------------------------------------------------------------------------------------- 37
5-2-9 SIF amplifier --------------------------------------------------------------------------------------------------------------- 37
5-2-10 AGC detector ------------------------------------------------------------------------------------------------------------ 37
5-2-11 Single reference QSS mixer -------------------------------------------------------------------------------------------- 38
5-2-12 AM demodulator -------------------------------------------------------------------------------------------------------- 38
5-2-13 FM demodulator and acquisition help -------------------------------------------------------------------------------- 38
5-2-14 Audio amplifier and mute time constant ----------------------------------------------------------------------------- 38
5-2-15 I2C-bus transceiver and MAD (module address) ------------------------------------------------------------------- 39
5-2-16 Internal voltage stabilizer ---------------------------------------------------------------------------------------------- 39
5-3 Video - VCT description ------------------------------------------------------------------------------------------------------ 39
5-3-1 Introduction ---------------------------------------------------------------------------------------------------------------- 39
5-3-2 Video Front-end ----------------------------------------------------------------------------------------------------------- 39
5-3-3 Input Selector -------------------------------------------------------------------------------------------------------------- 39
5-3-4 Clamping ------------------------------------------------------------------------------------------------------------------- 39
5-3-5 Automatic Gain control -------------------------------------------------------------------------------------------------- 39
5-3-6 Digitally Controlled Clock Oscillator ---------------------------------------------------------------------------------- 39
5-3-7 Analogue Video Output -------------------------------------------------------------------------------------------------- 39
5-3-8 Adaptive Comb Filter (VCT3834A only) ----------------------------------------------------------------------------- 40
5-3-9 Color Decoder ------------------------------------------------------------------------------------------------------------- 40
5-3-10 Horizontal Scaler (VCT3834A only) --------------------------------------------------------------------------------- 40
5-3-11 Video Sync Processing -------------------------------------------------------------------------------------------------- 40
5-3-12 Display Processing ------------------------------------------------------------------------------------------------------ 41
5-3-13 Chroma Transient Improvement --------------------------------------------------------------------------------------- 41