VSX-D307

7.3 DIAGNOSIS

POWER PACK (MOTHER ASSY : IC401 and IC402) (At Bottom Side)

1 Cut six portions on the Under Base by nipper and remove a Cover.

Front

3 Turn the Cover.

AB

BA

2 Diagnose the POWER PACK (IC401 and IC402).

Front

1

IC401

22

1

IC402

22

4 Fix the Cover with the four screws (BBZ30P080FMC),and stick the UL caution card (Part No : AAX-313) to the prescribed position.

Front

UL Caution Card

(AAX-313)

AAX - 313

AAX - 313

CAUTION :

After performing the above operation, be sure to stick the UL caution card (Part No.: AAX-313) to the prescribed position.(It is required by the UL regulations.)

After cutting the Under base and the Cover with a pair of nippers, be sure to smooth roughness from the edges to protect the user from a risk of damage caused by sharp edges.

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Dolby Laboratories 31-3043, STAV-3770 service manual Diagnosis, Power Pack Mother Assy IC401 and IC402 At Bottom Side

31-3043, STAV-3770 specifications

Dolby Laboratories is renowned for its cutting-edge audio and visual technologies, and the STAV-3770,31-3043 model is a standout example of this legacy. This audio/video receiver is engineered to deliver an immersive home entertainment experience, integrating advanced features that cater to audiophiles and casual viewers alike.

One of the primary highlights of the STAV-3770 is its support for Dolby Atmos, a revolutionary audio technology that brings a three-dimensional sound experience to any environment. This feature allows sound to move fluidly around the listener, creating an enveloping effect that enhances movies, music, and games. Coupled with Dolby TrueHD, the STAV-3770 ensures lossless audio reproduction, providing crystal-clear sound quality that captures every detail.

Equipped with multiple HDMI inputs, the STAV-3770 facilitates seamless connectivity for various devices, including gaming consoles, Blu-ray players, and streaming devices. The inclusion of HDMI 2.1 support allows for features such as 4K at 120Hz passthrough, ensuring that users can enjoy high-resolution content without compromising performance. This level of connectivity is crucial for modern home theaters, where consumers often have multiple devices in use.

In terms of user experience, the STAV-3770 also incorporates a user-friendly interface and intuitive remote control, simplifying operation for users of all technical backgrounds. The on-screen setup guide assists in optimizing speaker placement, ensuring that sound is balanced and immersive.

Another key characteristic is the unit's powerful amplification capabilities. With a significant wattage output, the STAV-3770 delivers robust sound that can fill large rooms without distortion. This is particularly beneficial for larger home theater setups, where consistent audio performance is critical for an enjoyable viewing experience.

The STAV-3770 further extends its versatility with smart home integration, enabling compatibility with various voice assistants. This feature allows users to control their home entertainment systems effortlessly through voice commands, exemplifying modern convenience in technology.

Lastly, energy efficiency is an important aspect of the STAV-3770 design. Dolby Laboratories has implemented technologies that reduce power consumption without sacrificing performance, aligning with eco-friendly practices that many consumers prioritize today.

In summary, the Dolby Laboratories STAV-3770,31-3043 epitomizes the ideal blend of advanced audio technologies, user-friendly features, and efficient performance, making it a premier choice for anyone seeking to enhance their home entertainment experience.