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JVC RX-D201 - User Manual

JVC RX-D201
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TRAINING BOOK
FOR DIGITAL AMPLIFIER RECEIVER RX-D… SERIES
By JSCA ENGINEERING DEPARTMENT JUNE 2006
Second Edit November 2006
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JVC RX-D201 Specifications

General IconGeneral
TypeAV Receiver
Audio Channels7.1
Surround Sound FormatsDolby Digital, DTS
Component Video Inputs3
TunerAM/FM
Total Harmonic Distortion0.08%
Frequency Response10Hz - 100kHz
Signal-to-Noise Ratio100 dB
Input Sensitivity200 mV
Output Power100 watts per channel
Digital Audio InputsOptical, Coaxial

Summary

OVERALL BLOCK DIAGRAM

POWER SUPPLY SYSTEM

Power Supply Circuit Overview

Details of power supply circuits, components, and operation. Covers 1/5 section.

AMP+;-B Switch Regulator Operation

Explanation of the AMP+/-B switch regulator circuit and its sections. Covers 3/5 section.

PROTECTION CIRCUIT DESIGN

Protection Circuit Overview and Inputs

General introduction to protection functions, input pins, and model applicability.

Detailed Protection Circuit Sections

Explains specific protection triggers like +7V, DSP D+5V, TH1, TH2, REG DET, and PROTECT.

QUICK CHECK AND TROUBLESHOOTING

Component Short Circuit Checks

Methods for checking MOSFETs, diodes, and voltage rails for short circuits.

Troubleshooting Disconnected Components

Checking IC101 and DCDC converter control circuit when components are disconnected.

Drive IC and Waveform Analysis

Checking Drive IC IRS20124S-X and analyzing signal waveforms for proper operation.

VIDEO PROCESS AND HDMI INTERFACE

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