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Onkyo TX-DS595 Service Manual

Onkyo TX-DS595
71 pages
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RI
IN/OUT
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
DSP MODE
+5V
X7504
+5V
-VP
BUFFER
SUB
MICROPROCESSOR
+5V
Q7001
1
2
3
4
5
6
7
8
9
10
11
12
13
14
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20
40
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61
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UPD70232GC
16-BT-66GK
330 470 560 820 1.2K 2.2K
330 470 560 820 1.2K
330 470 560 820 1.2K 2.2K
330 470 560 820 1.2K 2.2K
+5V
REMOTE
SENSOR
MAIN MICROPROCESSOR
DISPLAY FM MODE MEMORY TUNINGTUNING PRESETPRESET
<<>
>
STANDBY DVD VIDEO 1 VIDEO 2 VIDEO 3 VIDEO 4 AUDIO SEL
DIMMER TAPE F M A M PHONO C D
RETURN SET UP RECOUT ZONE 2 CH LEVEL Z2 VOL
OPERATION KEY
FL TUBE
Q7701
S7001
VOLUME
MPD703033AGC-080-8EU
Q7002
Q7005
P204
S7311
VDD
VSS1
X1
X2
IC
-RESET
SBMCLK
SBMDD
SBMDI
SBMLDY
VBJ
VAJ
SSCBJ
SSCAJ
-IRIN
-IRF
STBYLED
GND
K0
K1
S23
S24
S25
S26
S27
S28
S29
S30
S31
S32
S33
S34
S35
RI OUT
RI IN
VDD0
AVD0
VSS0
ANI0
ANI1
VL0A0
VDD2
S 5
S 6
S 7
S 8
S 9
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
S20
S21
S22
S 4
S 3
S 2
S 1
G16
G15
G14
G13
G12
G11
G10
G 9
G 8
G 7
G 6
G 5
G 4
G 3
G 2
G 1
U7001
5MHz OSC
TX-DS696
SUB MICROPROCESSOR
TX-DS696
A
1
2
3
4
BCDE

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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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