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Onkyo TX-8211 - Service Manual

Onkyo TX-8211
21 pages
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Onkyo TX-8211 Specifications

General IconGeneral
Frequency Response10 Hz-100 kHz (+1 dB, -3 dB)
Signal-to-Noise Ratio100 dB (Line)
Tuning RangeFM, MW
Power Output50 W per channel (8 ohms, 20 Hz-20 kHz, 0.08% THD)
Total Harmonic Distortion0.08%
Dimensions435 x 141 x 314 mm
Input Sensitivity200mV (line)
Speaker Load Impedance4-16 ohms

Summary

Safety-Related Component Warning

Product Specifications

Amplifier Section Specifications

Details power output, distortion, damping factor, and input sensitivities.

Tuner Section Specifications (FM & AM)

Covers tuning ranges, sensitivity, selectivity, and signal-to-noise ratios.

General Specifications

Includes power supply, dimensions, weight, and remote control details.

Service Procedures

Fuse Replacement

Instructions for replacing fuses with correct types and ratings.

Unit Initialization

Procedure to reset the unit to factory settings via microprocessor.

Safety Check

Essential safety check after service for U.S.A. models using an insulating-resistance tester.

Voltage Selection

Guide for changing the unit's voltage setting for different power supplies.

Memory Preservation

Information on the unit's built-in memory back-up system and its operation.

Tuning Step Frequency Setting

How to adjust the AM tuning step frequency for different regions.

Changing Band Step

Procedure for changing band step by component modification.

Exploded View Diagram

Main Parts List

Chassis and External Parts

Lists chassis, panels, covers, and knobs with part numbers.

Internal Components and Boards

Details internal parts like transistors, ICs, and circuit boards by part number.

System Block Diagram

Microprocessor Connection Diagram

Microprocessor Terminal Descriptions

Adjustment Procedures Overview

Adjustment Preparation and Inputs

Details required inputs and signal generator settings for adjustments.

Adjustment Outputs

Specifies load connections for speaker terminals during adjustments.

Standard Knob Positions

Specifies default positions for control knobs during adjustments.

Idling Current Adjustment

Step-by-step guide to set the idling current for the amplifier.

FM Band Adjustments

Detailed steps for tuning and aligning the FM receiver section.

AM Band Adjustments

Detailed steps for tuning and aligning the AM receiver section.

Printed Circuit Board Parts List - Main Section

U1 Main Circuit Board Parts

Detailed parts list for the main circuit board (NAAR-5864).

U2 Power Supply Board Parts

Detailed parts list for the power supply board (NAETC-5866).

U3 Volume Board Parts

Detailed parts list for the volume control board (NAETC-5865).

U4 Display Board Parts

Detailed parts list for the display circuit board (NADIS-5871).

US Tuner Circuit Board Parts List

Power Supply Board Parts List

RI Terminal Board Parts List

Headphone Board Parts List

Schematic Diagram Part 1

Schematic Diagram Part 2

FL Tube Pin Connections

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