Service manual SC-150

4-2 MSP341x Multistandard Sound Processor

The MSP 341x is designed as a single-chip Multistandard Sound Processor for applications in analogue and digital TV sets, video recorders, and PC cards.

The MSP3411 has all functions of MSP3410 with the addition of a virtual surround sound feature. A Surround sound affect can be rproduced with two loudspeakers. The MSP3411 includes virtualizer

algorithm “3D Panorama” which has been approved by the Dolby laboratories for compliance with the “Virtual Dolby Surround”technolo gy. In addition, the MSP3411 includes Micronas “Panorama” algorithm.

MSP 341x features :

-sound IF input

-No external filters required

-Stereo baseband input via integrated AD converters

-Two pairs of DA converters

-Two carrier FM or NICAM processing

-AVC : Automatic Volume Correction

-Bass, treble, volume processing

-Full SCART in/out matrix without restrictions

-Improved FM-identification

-Demodulator short programming

-Autodetection for terrestrial TV - sound standards

-Precise bit-error rate indication

-Automatic switching from NICAM to FM/AM or vice versa

-Improved NICAM synchronisation algorithm

-Improved carrier mute algorithm

-Improved AM-demodulation

-Reduction of necessary controlling

-Less external components

4-2-1- Basic Features of the MSP 341x

4-2-1-1 Demodulator and NICAM Decoder Section

The MSP 341x is designed to simultaneously perform digital demodulation and decoding of NICAM-coded TV stereo sound, as well as demodulation of FM or AM mono TV sound. Alternatively, two carrier FM systems according to the German terrestrial specs can be processed with the MSP 341x.

The MSP 341x facilitates profitable multistandard capability, offering the following advantages:

-Automatic Gain Control (AGC) for analogue input: input range: 0.10 - 3 Vpp

-integrated A/D converter for sound-IF input

-all demodulation and filtering is performed on chip and is individually programmable

-easy realisation of all digital NICAM standards (B/G, I, L and D/K)

-FM-demodulation of all terrestrial standards (include identification decoding)

-no external filter hardware is required

-only one crystal clock (18.432 MHz) is necessary

-24-

Page 25
Image 25
Daewoo DSC-3220E/3220L service manual

DSC-3220E/3220L specifications

The Daewoo DSC-3220E/3220L is a noteworthy addition to the lineup of high-efficiency air conditioning solutions, specifically crafted to meet the demands of varying climatic conditions. With a blend of innovative technologies and robust design, these models stand out in the realm of home and commercial air conditioning.

One of the main features of the DSC-3220E/3220L is its efficient cooling performance. The units are built with advanced rotary compressors, which are designed to operate efficiently while providing powerful cooling capabilities. This allows for quick temperature adjustments, making it an ideal choice for those who seek rapid relief from heat.

Another remarkable aspect of the DSC-3220E/3220L is its energy-efficient operation. With a superior Energy Efficiency Ratio (EER), these air conditioning units ensure that energy consumption is minimized without compromising comfort. This not only reduces electricity bills but also contributes to a smaller carbon footprint, making it an environmentally friendly choice.

The units also come equipped with state-of-the-art air filtration technologies. The multi-layer air filters are designed to capture dust, pollen, and other airborne particles, ensuring that the air in the environment remains clean and healthy. This feature is particularly beneficial for allergy sufferers and enhances the overall indoor air quality.

In terms of user convenience, the DSC-3220E/3220L models are engineered with user-friendly controls. Many features, including temperature settings and fan speeds, can be easily adjusted through a remote control or a digital display panel on the unit itself. This ensures that users can customize their comfort levels with minimal effort.

Noise reduction is another critical characteristic of the DSC-3220E/3220L. Both models are designed with silent operation in mind, making them suitable for bedrooms, offices, and other environments where noise can be a distraction. The sound insulation techniques employed help maintain a serene atmosphere while enjoying optimal cooling.

Furthermore, installation of the DSC-3220E/3220L air conditioning systems is straightforward, making them accessible for residential and commercial settings alike. The compact design and versatility in installation options allow these units to fit seamlessly into various spaces without sacrificing performance.

Overall, the Daewoo DSC-3220E/3220L embodies a fine balance of efficiency, technology, and user-centric design, making it a commendable choice for air conditioning needs in diverse settings. With its reliable performance and thoughtful features, it continues to gain popularity among consumers looking for effective climate solutions.