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AE-6B (KV-32LS65AUS) CHASSIS OPERATION MANUAL TABLE OF CONTENTS Chapter 1. AE -6B Chassis Concept 1.1 Features 1.2 Specifications 1.3 21 Pin Connector 1.4 Board Overview Chapter 2. Power Supply Circuit 2.1 Power Supply Block Overview 2.2 Function Overview 2.3 Overvoltage Protection 2.4 Overcurrent Protection 2.5 Protection Circuit of Power Block 1 1 2 3 4 5 5 5 10 10 10 Chapter 6. Deflection Circuit 6.1 Deflection Block AE-6B (Protection) 24 29 Chapter 5. Audio Circuit 5.1 Features of MSP3411G-B9 5.2 Features of TDA7497 Triple Amplifier 20 22 22 Chapter 4. Micro Controller 19 19 4.1 Features of SAA5667 Micro Controller Chapter 3. Video Processing Circuit 3.1 VSP9407 Features 3.2 Features of CRT Driver (CXA2100) 13 14 17 i Chapter 1 AE-6B Chassis Concept 1.1 Features This is a new Chassis but some circuits are referred from other chassis. The Deflection Circuit and the Back End (CXA2100) are based on AE-5 chassis. Besides, its Power Supply Circuit is almost the same as FE-2 chassis. It is a 100 Hz FD Trinitron and Digital Plus (ABAB) model with 16:9 lifestyle cosmetic design concept. Its Digital Noise Reduction (DNR) allows users to reduce the picture noise visible in the broadcast signal. Virtual Dolby sound effect can simulate the sound effect of " Dolby Surround Pro logic". Dolby 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 option that enables the aspect ratio of the screen to be automatically changed. There are three Scarts (Scart 1, Scart 2 and Scart 3) at the rear, which are the 21-pin Euro connector. The pin diagram is shown as Figure 1.1. Scart 1 and Scart 2 are inputs for YUV while Scart 3 is input for S Video. Figure 1.2 shows the board overview of AE-6B for KV-32LS65AUS model. 1 1.2 Specifications Picture 100 Hz Digital Plus Digital Noise Reduction (DNR) Audio Right and left speaker 2X20W (Music Power) 2X10W (RMS) Terminals REAR 1: 21-pin Euro Connector Inputs for audio and video signals. (CENELEC Standard) Inputs for YUV Outputs of TV video and audio signals. Other Features Teletext Fastext/ TOPtext Sleep Timer PIP (1 Tuner) Auto Format Others Auto Volume Adjust Virtual Dolby BBE 2: 21-pin Euro Connector Inputs for audio and video signals. Inputs for YUV Outputs of TV video and audio signals (Monitor Out). 3: 21-pin Euro Connector Inputs for audio and video signals. Inputs for S Video. Remote Commander RM-934 Phono Jacks SIDE Outputs of TV video and audio signals (selectable). Output connectors variable for audio signals. Power Requirement 220 ­ 240V S Video Input Video Inputs Audio Inputs Headphone Jack 4 Pin DIN Phono Jacks Phono Jacks Stereo Mini Jack 2 1.3 21 Pin Conn