background image

 

Chapter 3  Video Processing Circuit 

 

 

13 

Содержание KV-32LS65AUS

Страница 1: ...AE 6B KV 32LS65AUS CHASSIS OPERATION MANUAL ...

Страница 2: ...ge Protection 10 2 4 Overcurrent Protection 10 2 5 Protection Circuit of Power Block 10 Chapter 3 Video Processing Circuit 13 3 1 VSP9407 Features 14 3 2 Features of CRT Driver CXA2100 17 Chapter 4 Micro Controller 19 4 1 Features of SAA5667 Micro Controller 19 Chapter 5 Audio Circuit 20 5 1 Features of MSP3411G B9 22 5 2 Features of TDA7497 Triple Amplifier 22 Chapter 6 Deflection Circuit 24 6 1 ...

Страница 3: ...y Surround sound effect could be created by simulating the sound of four speakers with two speakers provided the broadcast audio signal is Dolby Surround encoded BBE High Definition Sound system enhances clarity detail and presence of sound for better intelligibility and musical realism AE 6B chassis has Menu that is similar to FE 2 chassis There is 1 Tuner for PIP Besides it has Auto Format optio...

Страница 4: ...audio and video signals Teletext Auto Volume Adjust Inputs for YUV Fastext TOPtext Virtual Dolby Outputs of TV video and audio signals Monitor Out Sleep Timer BBE 3 21 pin Euro Connector Inputs for audio and video signals PIP 1 Tuner Inputs for S Video Auto Format Remote Commander Outputs of TV video and audio signals selectable RM 934 Phono Jacks Output connectors variable for audio signals SIDE ...

Страница 5: ...1 3 21 Pin Connector Figure 1 1 21 pin Euro connector 3 ...

Страница 6: ...1 4 Board Overview Figure 1 2 Board Overview KV 32LS65AUS 4 ...

Страница 7: ...egulator Stage The oscillator starts up to produce an initial signal for the output stage The output stage develops voltage to continue running the oscillator stage supply the regulating stage and provide normal output for the TV One of the normal TV outputs is used to start the secondary power supply Oscillator Start Up The oscillator within IC6001 starts if the VSENSE input voltage at pin 1 is a...

Страница 8: ... IC IC6001 Normal Operation At start up IC6001 initially uses current limit B from pin 18 to power internal drivers These internal drivers amplify the oscillator signal and get out to pins 12 and 16 When the power supply stage works the power comes for the bottom driver VG L pin 12 from pin 10 VC2 and for the top driver VG H pin 16 from pin 14 VB The VB voltage is approximately 5V average above th...

Страница 9: ...Figure 2 2 Main power supply circuit diagram 7 ...

Страница 10: ...Figure 2 3 Main power supply circuit diagram 8 ...

Страница 11: ...Figure 2 4 IC6001 block diagram 9 ...

Страница 12: ... goes to high the transistor Q6010 is switched Then transistor Q6005 is switched and the error message OCP is at CN6006 Pin 12 Please refer to Figure 2 6 2 5 Protection Circuit of Power Block In case of OVP or OCP the information goes to the A board via CN6006 and then direct via CN0001 to the micro controller on the M board pin 24 and pin 29 The main controller on the M board switch the main rela...

Страница 13: ...Figure 2 5 Overvoltage Protection 11 ...

Страница 14: ...Figure 2 6 Overcurrent Protection 12 ...

Страница 15: ...Chapter 3 Video Processing Circuit 13 ...

Страница 16: ...e reduction for luminance and chrominance depending on both noise measured and motion detected pixel by pixel Separate motion detection and noise measurement in both Master Channel Main Picture and Slave Channel PIP Scan rate conversion Motion adaptive frame based 100 120Hz interlaced scan conversion Special treatment for film material Inverse 3 2 pull down Large area flicker and line flicker redu...

Страница 17: ...Figure 3 2 VSP 9407 Block Diagram 15 ...

Страница 18: ...Figure 3 3 VSP9407 Pinning VSP 9407B 16 ...

Страница 19: ... analog RGB inputs Horizontal sync processing that supports 31 5kHz Vertical deflection circuit that supports 50 60 100 120Hz Deflection compensation circuit capable of supporting various wide modes H drive soft start stop function Figure 3 4 shows CXA 2100 pinning diagram while Figure 3 5 shows its block diagram Figure 3 4 CXA 2100 Pinning Diagram 17 ...

Страница 20: ...Figure 3 5 CXA 2100 Block Diagram 18 ...

Страница 21: ...h are 5 V tolerant digital inputs and I O There are two port lines with 8 mA sink for direct drive of LED The byte level I C bus up to 400 kHz dual port I O Besides SAA5667 has large Character ROM that allows up to 1020 characters of 12 10 pixels There are 64 Characters for OSD There is a single crystal oscillator for micro controller OSD and data capture The power reduction mode will be Idle Stan...

Страница 22: ...Chapter 5 Audio Circuit Figure 5 1 Audio block diagram for AE 6B chassis 20 ...

Страница 23: ...Figure 5 2 MSP3411G block diagram 21 ...

Страница 24: ...ume Correction for loudspeaker channel Figure 5 2 shows the block diagram of MSP3411G 5 2 Features of TDA7497 Triple Amplifier Figure 5 3 shows the pin diagram of TDA7497 while Figure 5 4 shows its block diagram It is a 10W 10 W 18W amplifier that has Independent Mute for centre channel and main channel There is no Turn on Turn off Pop Noise Besides there is protection for short circuit and therma...

Страница 25: ...Figure 5 4 TDA7497 block diagram 23 ...

Страница 26: ...Chapter 6 Deflection Circuit 24 ...

Страница 27: ...25 ...

Страница 28: ...26 ...

Страница 29: ...27 ...

Страница 30: ...28 ...

Страница 31: ...6 1 Deflection Block AE 6B Protections 29 ...

Страница 32: ...Sony Corporation Sony Technology Malaysia Sdn Bhd Visual Product English 2002 08 9 872 334 01 ...

Отзывы: