Onkyo TX-SR500/E User Manual

TX-SR500/E
SERVICE MANUAL
SERVICE MANUAL
Ref. No. 3727
042002
120V AC, 60Hz
230-240V AC, 50Hz
120/220-230V AC, 50/60Hz
220V AC, 50Hz
AV RECEIVER
MODEL
TX-SR500/E
Black, Golden and Silver models
BMDD,BMDC
BMPP,SMPP,BMPA,GMPA
BMWT,GMWT,GMWR,GMWQ
GMGK
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
1

Onkyo TX-SR500/E Specifications

General

Input Sensitivity	200 mV
Signal-to-Noise Ratio	100 dB
Tuner Bands	AM/FM
Response Bandwidth	10 - 100000 Hz
Input Impedance	47 kOhm
Built-in Decoders	Dolby Digital, DTS
Surround Sound Effects	Dolby Pro Logic II
Width	435 mm
Height	168 mm
Video Inputs	composite video x 2
Audio Inputs	6
Surround Sound	Dolby Digital, DTS

Summary

Specifications

Amplifier Section

Detailed technical specifications for the amplifier output and performance.

Video Section

Technical specifications for video input sensitivity and output levels.

Tuner Section

Technical specifications for FM and AM tuning ranges and sensitivity.

General

General specifications like power supply, dimensions, and consumption.

Remote Control

Specifications for the remote control unit.

Service Procedures

Replacing the Fuses

Procedure for replacing internal fuses with correct types for safety.

Safety Check

Performing essential safety tests after service completion.

Voltage Selector Setting

How to set the voltage selector for different regions correctly.

Exploded View

Block Diagram 1

Block Diagram 2

Schematic Diagrams

Schematic Diagram 1 - Display Section

Detailed circuit for the display and front panel.

Schematic Diagram 4-1 Power Amplifier 1

Circuit details for the first power amplifier stage.

Schematic Diagram 6-1 Primary and SP Terminal Sections

Circuitry for primary connections and speaker terminals.

Wiring Views

Wiring View 1

Diagram showing internal component interconnections.

Wiring View 2

Diagram illustrating PC board connectivity and layouts.

Printed Circuit Board Views

Printed Circuit Board View 1-1 From Soldering Side

Shows the component and soldering sides of the display PC board.

Printed Circuit Board 2-1

Details the DSP circuit PC board layout and components.

Printed Circuit Board View 4-1 From Soldering Side

Layout of the power amplifier PC board from the soldering side.

Terminal Descriptions

Terminal Description Main Microprocessor

Detailed pinout and function for the main microprocessor.

Terminal Description Sub Microprocessor

Pinout and function for the sub-microprocessor.

Adjustment and Confirmation Procedures

Adjustment and Confirmation Procedures 1

Procedures for setting idling current and checking protection.

Adjustment and Confirmation Procedures 2

Procedures for current detection and voltage sensor confirmation.

Packing Procedures