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Sony SEQ-333ES Service Manual

Sony SEQ-333ES
32 pages
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Sony SEQ-333ES Specifications

General IconGeneral
Input Sensitivity150 mV
Output Level1 V
TypeGraphic Equalizer
Total harmonic distortion0.005%
Gain±12 dB
Number of bands10

Summary

SPECIFICATIONS

Inputs

Defines input signal levels, impedance, and connectors.

Outputs

Defines output signal levels, impedance, and connectors.

Automatic Sound Field Adjustment

Details parameters for automatic sound field measurement.

FEATURES

Remote Commander

Explains remote control functions and capabilities.

Memory Button Recall

Describes recalling preset equalization curves via buttons.

Convenient Display

Highlights the real-time frequency display feature.

Automatic Memory Recall

Details automatic recall linking with AVH-555ES.

MODEL IDENTIFICATION

Specification Label

Shows model identification label details for different regions.

SAFETY CHECK-OUT (US Model)

Leakage Test

Outlines procedures for checking AC leakage for safety.

LOCATION AND FUNCTION OF CONTROLS

Front Panel Control Descriptions

Explains the purpose and operation of all front panel controls.

DISPLAY SECTION

EQ Curve/RTA Display

Describes the display's function for EQ curves and real-time frequency levels.

Indicator Descriptions

Explains the meaning of various indicators on the unit.

REAR PANEL CONNECTORS

Input and Output Jacks

Lists and describes rear panel audio input/output connectors.

Remote Control Connectors

Details the remote control input/output ports.

AC Outlet and Power Cord

Describes AC power connections and outlets.

REMOTE COMMANDER RM-32

Control Functions

Details the operational functions of each button on the remote commander.

CONNECTIONS DIAGRAM

Component Connections

Illustrates how various audio components connect to the unit.

HOW THE SEQ-333ES PROVIDES

Checking Ambient Noise

Step-by-step guide to measure and check ambient room noise.

Automatic Sound Field Adjustment

Detailed procedure for automated room acoustic equalization.

Adjustment Notes and Restart

Provides tips for automatic adjustment and restart procedures.

SECTION 1 BLOCK DIAGRAM

Board and Assembly Identification

Lists and identifies various internal boards and assemblies.

SECTION 2 CIRCUIT DESCRIPTION

IC Operation Description

General description of IC operations, referencing another manual.

TC9163 (IC101) Function Switches

Describes the function of the IC101 for controlling switches.

Microcomputer M50742 (IC505) Overview

Details the microcomputer's role and pin functions.

CIRCUIT DESCRIPTION TIMING CHARTS

Power ON/OFF Process Timing

Illustrates timing charts for power on/off and interrupt processes.

DATA TRANSMISSION AND KEY PROCESSING

Data Transmission Timing

Shows timing charts for data transmission between microcomputers.

Key Input Processing

Explains how different key inputs are processed by the system.

REMOTE CONTROL SIGNAL FORMATS

Signal Formats

Details remote control signal format and muting switching procedures.

GRAPHIC MODE AND DISPLAY CONTROL

Muting during Graphic Mode

Describes muting behavior when graphic modes are enabled or disabled.

Display Microcomputer HMCS-404C (IC601)

Describes the functions and programming of the display microcomputer.

DISPLAY AND CONVERSION PROCESSING

Fluorescent Tube Dynamic Display

Explains the dynamic display function of the fluorescent tube.

A/D Conversion Processing

Details the A/D converter's operation and timing.

Data Communication Timing

Illustrates timing charts for data communication between microcomputers.

SECTION 3 DISASSEMBLY

Panel Assembly Disassembly

Provides instructions for disassembling the panel assembly.

SECTION 4 DIAGRAMS

Mounting Diagrams

Shows diagrams illustrating the mounting of various circuit boards.

SECTION 5 EXPLODED VIEWS AND PARTS LIST

Exploded View 1

Shows an exploded view of the unit's main assembly and its parts.

SECTION 6 ELECTRICAL PARTS LIST

Component Categories

Lists electrical components categorized by type (capacitors, resistors, etc.).

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