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Onkyo TX-DS595 Service Manual

Onkyo TX-DS595
71 pages
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BMDD
BMPP,SMPP
BMPA,GMPA
BMWT,GMWT
GMWR
120V AC, 60Hz
230-240V AC, 50Hz
220-230V/120V AC,
50/60 Hz
Black, Golden and Silver models
Ref. No. 3678
042001
SERVICE MANUAL
AUDIO VIDEO
CONTROL RECEIVER
MODEL TX-DS696
TABLE OF CONTENTS
2
3
4
5
8
11
20
20
22
24
24
26
27
28
29
34
39
41
43
45
47
47
51
55
59
63
67
71
75
81
87
89
93
97
98
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK ON THE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBER 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.
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
AUDIO VIDEO
CONTROL RECEIVER
MODEL TX-DS595
BMDD
BMPP,SMPP
BMPA,GMPA
BMWT,GMWT
GMWR
120V AC, 60Hz
230-240V AC, 50Hz
220-230V/120V AC,
50/60 Hz
Black, Golden and Silver models
GMGT 220-230V AC,50 Hz
Specifications TX-DS595
Specifications TX-DS696
Service procedures
Panel views TX-DS595
Panel views TX-DS696
IC block diagrams and descriptions
Microprocessor TX-DS595
Main microprocessor
Sub microprocessor
Microprocessor TX-DS696
Main microprocessor
Sub microprocessor
About debug mode
FL tube view
Printed circuit board-parts list TX-DS595
Printed cirucit board-parts list TX-DS696
Wiring view TX-DS595
Block diagram TX-DS595
Wirng view TX-DS696
Block diagram TX-DS696
Schematic diagrams & PC board views
Input section TX-DS595
Input section TX-DS696
Power amplifier section 1
Power amplifier section 2
Display section TX-DS595
Display section TX-DS696
Video section TX-DS595
Video section TX-DS696
DSP section
Adjustments and confirmation procedures
Exploded view & Parts list TX-DS595
Exploded view & Parts list TX-DS696
Packing view TX-DS595
Packing view TX-DS696
STANDBY/ON
STANDBY
OFF
ON
POWER
MASTER VOLUME
BASS
TREBLE
AV
RECEIVER
TX
-
DS
696
PHONES
FM AM PHONO C
DTAPEDVD
REC OUT
ZONE
2
ZONE
2
LEVEL
CH LEVEL
VIDEO 3 VIDEO 4VIDEO 2VIDEO 1
VCR 2VCR 1
AUDIO
SELECTOR
TUNING PRESET
SMART
SCAN
NAVIGATOR
PRESET MEMORY
FM
MODEDISPLAY DIMMER
PUSH TO ENTER
DSP
/
MODE ADJ
SETUP
RETURN
STANDBY/ON
STANDBY
OFF
ON
POWER
MASTER VOLUME
BASS
TREBLE
AV
RECEIVER
TX
-
DS
595
PHONES
FM AM PHONO C
DTAPE
CH LEVEL
VIDEO 2 VIDEO 3VIDEO 1DVD
VCR
TUNING PRESET
SMART
SCAN
NAVIGATOR
PRESET MEMORY
FM
MODEDISPLAY RT
/
PTY/
TP
PUSH TO ENTER
DSP
/
MODE ADJ
SETUP
RETURN
ABSPEAKERS
AUDIO
SELECTOR
!
TX-DS595/696

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Onkyo TX-DS595 Specifications

General IconGeneral
Channels5.1
Dolby ProcessingDolby Digital, Dolby Pro Logic
Component Video SwitchingNo
Remote ControlYes
Total Harmonic Distortion0.08%
Input Sensitivity200 mV
Signal to Noise Ratio100 dB
Output Level200 mV
Frequency Response10 Hz-100 kHz
Speaker Impedance6-16 ohms
Tuner TypeAM/FM
Preset Stations40
OutputsA/V output, audio output, subwoofer output
Output Impedance2.2 kOhms
Video Inputs3
Video Outputs1
Audio Inputs6
Audio Outputs2
Inputs1 phono
Weight21.6 lbs

Summary

Safety Warnings and Checks

Leakage Current and Resistance Measurements

Safety check for insulation before returning appliance to customer.

Service Procedures

Fuse Replacement Procedures

Instructions for replacing fuses, including part numbers and types.

Unit Initialization and Safety Checks

Procedures for resetting the unit and performing post-service safety checks.

IC Block Diagrams and Descriptions

Digital Interface ICs

Block diagrams and pin descriptions for digital interface ICs.

CODEC and Video ICs

Diagrams for CODEC, video amplifiers, and RDS decoder ICs.

Analog Switch, Buffer, and Indicator ICs

Diagrams for analog switches, bus buffers, and TV indicators.

Volume Control IC Description

Block diagram and terminal description for the TC9482N volume control IC.

Microprocessor Terminal Descriptions

Main Microprocessor Pin Descriptions

Detailed pinout and function descriptions for the main microprocessor.

Sub Microprocessor Pin Descriptions

Detailed pinout and function descriptions for the sub microprocessor.

About Debug Mode

Debug Mode Entry and Investigation

How to enter debug mode and compare displays for troubleshooting.

Display Information Interpretation

Explains DIR ERROR, DIR STATUS, and analog/digital signal judgment displays.

DSP Signal Judgment and Decoding

Interpreting DSP input signal detection and decode status for troubleshooting.

Block Diagrams

Overall System Block Diagram

High-level diagram showing major functional blocks and signal flow.

Schematic Diagrams

Input Section Schematics

Detailed circuit diagrams for the input stages of the receiver.

Adjustments and Confirmation Procedures

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