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TX-DS595/696
Ref. No. 3678
042001
SERVICE MANUAL
AUDIO VIDEO AUDIO VIDEO
CONTROL RECEIVER CONTROL RECEIVER
MODEL TX-DS696 MODEL TX-DS595
REC OUT ZONE 2 ZONE 2 LEVEL CH LEVEL A SPEAKERS B CH LEVEL
MASTER VOLUME MASTER VOLUME
STANDBY/ON STANDBY/ON
SETUP DSP / MODE ADJ SETUP
DSP / MODE ADJ
STANDBY STANDBY
RETURN RETURN
POWER POWER
PUSH TO ENTER PUSH TO ENTER
ON OFF ON OFF
DISPLAY DIMMER FM MODE PRESET MEMORY TUNING PRESET SMART SCAN NAVIGATOR DISPLAY RT / PTY/ TP FM MODE PRESET MEMORY TUNING PRESET SMART SCAN NAVIGATOR
BASS TREBLE BASS TREBLE
PHONES PHONES AUDIO
AUDIO SELECTOR DVD VIDEO 1 VIDEO 2 VIDEO 3 TAPE FM AM PHONO CD
SELECTOR DVD VIDEO 1 VIDEO 2 VIDEO 3 VIDEO 4 TAPE FM AM PHONO CD
VCR 1 VCR 2 VCR
AV RECEIVER TX-DS696 AV RECEIVER TX-DS595
Black, Golden and Silver models Black, Golden and Silver models
BMDD 120V AC, 60Hz BMDD 120V AC, 60Hz
BMPP,SMPP BMPP,SMPP
230-240V AC, 50Hz 230-240V AC, 50Hz
BMPA,GMPA BMPA,GMPA
BMWT,GMWT 220-230V/120V AC, BMWT,GMWT 220-230V/120V AC,
GMWR 50/60 Hz GMWR 50/60 Hz
GMGT 220-230V AC,50 Hz
SAFETY-RELATED COMPONENT WARNING!! TABLE OF CONTENTS
COMPONENTS IDENTIFIED BY MARK ! ON THE Specifications TX-DS595 2
Specifications TX-DS696 3
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE 4
Service procedures
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. Panel views TX-DS595 5
Panel views TX-DS696 8
REPLACE THESE COMPONENTS WITH ONKYO 11
IC block diagrams and descriptions
PARTS WHOSE PART NUMBER APPEAR AS SHOWN Microprocessor TX-DS595 20
Main microprocessor 20
IN THIS MANUAL. Sub microprocessor 22
Microprocessor TX-DS696 24
Main microprocessor 24
MAKE LEAKAGE CURRENT OR RESISTANCE Sub microprocessor 26
MEASUREMENTS TO DETERMINE THAT EXPOSED About debug mode 27
FL tube view 28
PARTS ARE ACCEPTABLY INSULATED FROM THE Printed circuit board-parts list TX-DS595 29
Printed cirucit board-parts list TX-DS696 34
SUPPLY CIRCUIT BEFORE RETURNING THE 39
Wiring view TX-DS595
APPLIANCE TO THE CUSTOMER. Block diagram TX-DS595 41
Wirng view TX-DS696 43
Block diagram TX-DS696 45
Schematic diagrams & PC board views 47
Input section TX-DS595 47
Input section TX-DS696 51
Power amplifier section 1 55
Power amplifier section 2 59
Display section TX-DS595 63
Display section TX-DS696 67
Video section TX-DS595 71
Video section TX-DS696 75
DSP section 81
Adjustments and confirmation procedures 87
Exploded view & Parts list TX-DS595 89
Exploded view & Parts list TX-DS696 93
Packing view TX-DS595 97
Packing view TX-DS696 98
www.denom.com
TX-DS595
SPECIFICATIONS
AMPLIFIER SECTION TUNER SECTION
Continuous Average Power output (FTC) FM
All channels: 75 W per channel min. RMS at 8 Tuning Range: 87.5 to 108.0 MHz (50-kHz steps)
ohm , 2 channels driven from 20Hz Usable Sensitivity
to 20 kHz with no more than Mono: 11.2 dBf, 1.0 µV (75 ohm IHF)
0.08% total harmonic distortion. 0.9 µV (75 ohm DIN)
100 W min. RMS at 6 ohm, 2 Stereo: 17.2 dBf, 2.0 µV (75 ohm IHF)
channels driven from 1 kHz with 23 µV (75 ohm DIN)
no more than 0.1% total 50 dB Quieting Sensitivity
harmonic distortion. Mono: 17.2 dBf, 2.0 µV (75 ohm )
Continuous Power output (DIN) 110 W at 6 ohm Stereo: 37.2 dBf, 20 µV (75 ohm )
Maximum Power output (EIAJ) 140 W at 6 ohm Capture Ratio: 2.0 dB
Dynamic Power Output (Stereo) 2 210 W at 3 ohm Image Rejection Ratio:
2 155 W at 4 ohm USA & Canadian models: 40 dB
2 90 W at 8 ohm Other area models: 85 dB
Total Harmonic Distortion: 0.08% at rated power IF Rejection Ratio: 90 dB
0.08% at 1 W output Signal-to-Noise Ratio
IM Distortion: 0.08% at rated power Mono: 76 dB
0.08% at 1 W output Stereo: 70 dB
Damping Factor: 60 at 8 ohm Alternate Channel Attenuation: 55 dB
Input Sensitivity and Impedance Selectivity: 50 dB (DIN)
PHONO: 2.5 mV, 50 k ohm AM Suppression Ratio: 50 dB
LINE (CD, TAPE, DVD, Total Harmonic Distortion
VIDEO 1,2,3): 200 mV, 50 k ohm Mono: 0.2%
MULTICHANNEL INPUT Stereo: 0.3%
(FRONT L/C/R, SURROUND L/R): Frequency Response: 30 Hz to 15 kHz, ±1.0 dB
200 mV, 50 k ohm Stereo Separation: 45 dB at 1 kHz
(SUBWOOFER): 36 mV, 50 k ohm 30 dB at 100 Hz to 10 kHz
COAXIAL 1, 2 (DIGITAL): 0.5 Vp-p, 75ohm AM
DVD, VIDEO1,2,3: 1 Vp-p, 75 ohm Tuning Range
1 Vp-p, 75 ohm (Y) USA & Canadian models: 530 to 1,710 kHz (10-kHz steps)
0.28 Vp-p, 75ohm (C) European & Australian models
: 522 to 1,611 kHz (9-kHz steps)
Worldwide models: 531 to 1,602 kHz (9-kHz steps)
530 to 1,710 kHz (10-kHz steps)
Output Level and Impedance Usable Sensitivity: 30 µV
Rec out (TAPE, VIDEO 1): 200 mV, 2.2 k ohm Image Rejection Ratio: 40 dB
Pre out: 1 V, 470 ohm IF Rejection Ratio: 40 dB
VIDEO (VIDEO 1, MONITOR OUT): Signal-to-Noise Ratio: 40 dB
1 Vp-p, 75 ohm Total Harmonic Distortion: 0.7%
1 Vp-p, 75 ohm (Y)
GENERAL
0.28 Vp-p, 75 ohm (C)
Power Supply: AC 120 V, 60 Hz
(USA & Canadian models)
AC 230-240 V, 50 Hz
Phono Overload: 180 mV RMS at 1 kHz, 0.5% T.H.D.
(European & Australian models)
Frequency Response: 10 Hz to 100 kHz: +1 dB, - 3 dB
AC 220-230 and 120 V switchable,
RIAA Deviation: 20 Hz to 20 kHz : ±0.8 dB
50/60 Hz (Worldwide models)
Tone Control
Power Consumption: 4.7 A
Bass: ±10 dB at 50 Hz
380 W
Treble: ±10 dB at 20 kHz
Dimensions (W H D): 435 175 431 mm
Signal-to-Noise Ratio (Stereo)
17-1/8" 6-7/8" 16-15/16"
Phono: 80 dB (IHF A, 5 mV input)
Weight: 25.4 lbs. (USA & Canadian models)
CD/Tape: 100 dB (IHF A, 0.5 V input)
12.5 kg (Other models)
Muting: 50 dB
REMOTE CONTROLLER
Transmitter: Infrared
Signal range: Approx. 5 meters, 16 ft.
Power supply: Two " AA " batteries (1.5 V 2)
Specifications and features are subject to change without notice.
Power supply and voltage vary depending on the area in which the
unit is purchased.
www.denom.com
TX-DS696
SPECIFICATIONS
AMPLIFIER SECTION TUNER SECTION
Continuous Average Power output (FTC) FM
All channels: 100 W per channel min. RMS at 8 Tuning Range: 87.5 to 108.0 MHz (50-kHz steps)
ohm , 2 channels driven from 20Hz Usable Sensitivity
to 20 kHz with no more than Mono: 11.2 dBf, 1.0 µV (75 ohm IHF)
0.08% total harmonic distortion. 0.9 µV (75 ohm DIN)
125 W min. RMS at 6 ohm, 2 Stereo: 17.2 dBf, 2.0 µV (75 ohm IHF)
channels driven from 1 kHz with 23 µV (75 ohm DIN)
no more than 0.1% total 50 dB Quieting Sensitivity
harmonic distortion. Mono: 17.2 dBf, 2.0 µV (75 ohm )
Continuous Power output (DIN) 130 W at 6 ohm Stereo: 37.2 dBf, 20 µV (75 ohm )
Maximum Power output (EIAJ) 160 W at 6 ohm Capture Ratio: 2.0 dB
Dynamic Power Output (Stereo) 2 230 W at 3 ohm Image Rejection Ratio:
2 170 W at 4 ohm USA & Canadian models: 40 dB
2 115 W at 8 ohm Other area models: 85 dB
Total Harmonic Distortion: 0.08% at rated power IF Rejection Ratio: 90 dB
0.08% at 1 W output Signal-to-Noise Ratio
IM Distortion: 0.08% at rated power Mono: 76 dB
0.08% at 1 W output Stereo: 70 dB
Damping Factor: 60 at 8 ohm Alternate Channel Attenuation: 55 dB
Input Sensitivity and Impedance Selectivity: 50 dB (DIN)
PHONO: 2.5 mV, 50 k ohm AM Suppression Ratio: 50 dB
LINE (CD, TAPE, DVD, Total Harmonic Distortion
VIDEO 1-4): 200 mV, 50 k ohm Mono: 0.2%
MULTICHANNEL INPUT Stereo: 0.3%
(FRONT L/C/R, SURROUND L/R): Frequency Response: 30 Hz to 15 kHz, ±1.0 dB
200 mV, 50 k ohm Stereo Separation: 45 dB at 1 kHz
(SUBWOOFER): 36 mV, 50 k ohm 30 dB at 100 Hz to 10 kHz
COAXIAL 1, 2 (DIGITAL): 0.5 Vp-p, 75ohm AM
DVD, VIDEO1-4: 1 Vp-p, 75 ohm Tuning Range
1 Vp-p, 75 ohm (Y) USA & Canadian models: 530 to 1,710 kHz (10-kHz steps)
0.28 Vp-p, 75ohm (C) European & Australian models
: 522 to 1,611 kHz (9-kHz steps)
COMPONENT VIDEO 1, 2: 1 Vp-p, 75 ohm (Y) Worldwide models: 531 to 1,602 kHz (9-kHz steps)
0.7 Vp-p, 75ohm (CB /CR, PB /PR ) 530 to 1,710 kHz (10-kHz steps)
Output Level and Impedance Usable Sensitivity: 30 µV
Rec out (TAPE, VIDEO 1, 2): 200 mV, 2.2 k ohm Image Rejection Ratio: 40 dB
Pre out: 1 V, 470 ohm IF Rejection Ratio: 40 dB
VIDEO (VIDEO 1, 2, MONITOR OUT): Signal-to-Noise Ratio: 40 dB
1 Vp-p, 75 ohm Total Harmonic Distortion: 0.7%
1 Vp-p, 75 ohm (Y)
GENERAL
0.28 Vp-p, 75 ohm (C)
Power Supply: AC 120 V, 60 Hz
COMPONENT VIDEO OUT: 1 Vp-p, 75 ohm (Y)
(USA & Canadian models)
0.7 Vp-p, 75 ohm (CB /CR, PB /PR)
AC 230-240 V, 50 Hz
Phono Overload: 110 mV RMS at 1 kHz, 0.5% T.H.D.
(European & Australian models)
Frequency Response: 5 Hz to 100 kHz: +1 dB, -3 dB
AC 220-230 and 120 V switchable,
RIAA Deviation: 20 Hz to 20 kHz : ±0.8 dB
50/60 Hz (Worldwide models)
Tone Control
Power Consumption: 5.7 A
Bass: ±10 dB at 50 Hz
460 W
Treble: ±10 dB at 20 kHz
Dimensions (W H D): 435 175 431 mm
Signal-to-Noise Ratio (Stereo)
17-1/8" 6-7/8" 16-15/16"
Phono: 80 dB (IHF A, 5 mV input)
Weight: 27.8 lbs. (USA & Canadian models)
CD/Tape: 100 dB (IHF A, 0.5 V input)
13.5 kg (Other models)
Muting: 50 dB
REMOTE CONTROLLER
Transmitter: Infrared
Signal range: Approx. 5 meters, 16 ft.
Power supply: Two " AA " batteries (1.5 V 2)
Specifications and features are subject to change without notice.
Power supply and voltage vary depending on the area in which the
unit is purchased.
www.denom.com
TX-DS595/696
SERVICE PROCEDURES
1. Replacing the fuses 5.Setting the AM tuning step frequency
(Wolrdwide models only)
This symbol located near the fuses indicates that the
The initializing setting is 9 kHz, and this needs only to be changed if you
fuse used is fast operating type. For continued protection against
are using the unit in a 10-kHz region.
fire hazard, replace with same type fuse. For fuse rating refer to
1. Press the SETUP button.
the marking adjacent to the symbol.
Turn the jog dial or press the and cursor buttons on the remote
controller to display "3. PREFERENCE."
Ce symbole indique que le fusible utlise est a rapide.
2. Press the jog dial or ENTER button on the remote controller.
Pour une protection permanente, n'untiliser que fusibles de
Turn the jog dial or press the cursor buttons on the remote
meme type. Ce darnier est la qu le present symbol est
controller to display "AM FREQ STEP?".
appse.
3.Press the jog dial or ENTER button on the remote controller.
TX-DS696
The currently set frequency step appears.
CIRCUIT NO. PART NO. DESCRIPTION
252198 8A-UL,Fuse 4.Turn the jog dial or press the and cursor buttons on the remote
F901
252077 4A-SE-EAK,Fuse controller to set the frequency.
F902
252075 2.5A-SE-EAK,Fuse
5. Press the RETURN button.
F903
252160 2.5A-UL/T-237,Fuse "AM FREQ STEP?" appears in the FL tube.
F9501 252075 2.5A-SE-EAK,Fuse
To exit the setup mode immediately, press the SETUP button.
TX-DS595
CIRCUIT NO. PART NO. DESCRIPTION
F901 252166 6.3A-UL/T237,Fuse
F902 252076 3.15A-SE-EAK,Fuse
252075 2.5A-SE-EAK,Fuse
F903
252160 2.5A-UL/T-237,Fuse
F9501 252075 2.5A-SE-EAK,Fuse
6.Setting the Voltage selector (Worldwide models
only)
Note: :120V model only Worldwide models are equipped with a voltage selector to conform with
: European model only local power supplies. Be sure to set this switch to match the voltage of
: Worldwide model only the power supply in your area before plugging in the unit.
: Asian model only for 230V
1. Determine the proper voltage for your area: 220-230 V or
: 220-230V model only
: Australian model only
120 V.
2. If the preset voltage is not correct for your area, insert a screw-
driver into the groove in the switch. Slide the switch all the way
2. To initialize the unit
to the right (120 V) or to the left (220-230 V), whichever is
This device employs a microprocessor to perform various
functions and operations. If interference generated by an external
appropriate.
power supply, radio wave, or other electrical source results in
accident which causes the specified operations and functions to
operate abnormally.
To perform a result, please follow the procedure below.
1.Turn POWER to on.
2.Press and hold down the PRESET MEMORY button, then press the ANTENNA
AM
Y PB PR
COMPONENT VIDEO
Y PB PR Y PB PR
R
FRONT
SPEAKERS
L
CENTER
SPEAKER
R
SURROUND
SPEAKERS
L
OUTPUT INPUT 1 INPUT 2
STANDBY button. IN OUT IN OUT IN IN IN
VIDEO
AC OUTLET
SWITCHED
100W MAX.
MONITOR DVD VIDEO 1 VIDEO 2 VIDEO 3 VIDEO 4
After "clear" is displayed, the preset memory and each
FM
75 OUT
REMOTE
CONTROL
S VIDEO
VOLTAGE
AV RECEIVER
ZONE 2
PHONO CD TAPE : TX-DS696
mode stored in the memory, such as surround, are
OUT IN MODEL NO. / SPEAKERS
L L
R R
SELECTOR R L
VOLTAGE
SELECTOR
initialized and will return to the factory setting. GND
FRONT
L
SURR CENTER
1
OPTICAL
2
COAXIAL
1
L
FRONT
PRE OUT
SURR CENTER
1
CAUTION:
SEE INSTRUCTION MANUAL
FOR CORRECT SETTING.
6 OHMS 4 OHMS
120V
220-230V
MIN. MIN.
3.Disconnect Power supply cord. SUBWOOFER
MULTI
R SUB
WOOFER
2
R
120V
2
/ SPEAKER / SPEAKER
SET BEFORE POWER ON
IMPEDANCE SELECTOR
PRE OUT CHANNEL INPUT DIGITAL INPUT
3. Safety-check out 220-230V
(Only U.S.A. model)
After correcting the original service problem, perform the
following safety check before releasing the set to the customer.
Connect the insulating-resistance tester between the plug of power
supply cord and screw on the back panel.
Specifications: 3.3Mohm+/-10% at 500V.
4. Memory Preservation
This unit does not require memory preserv ation batteries. A
built-in memory po wer back-up system preserv es the contents 7. Changing the AM band step
of the memory during po wer f ailures and even when the unit is With the exception of the worldwide models,a tuning step step setup
unplugged. The unit must be plugged in order to char ge the mode is not provided. When you change the band step, change
back-up system. the parts as shown below.
The memory preserv ation period after the unit has been
unplugged v aries depending on climate and placement of the To 10kHz To 9kHz
unit. On the a verage, memory contents are protected over a R7780,R7781 330 ohm Open
period of a fe w weeks after the last time the unit has been R7880,R7881 Open 2.2 kohm
unplugged. This period is shorter when the unit is e xposed to a
highly humid climate.
www.denom.com
TX-DS595
PANEL VIEWS
SMART SCAN NAVIGATOR jog dial and indicators
Front panel
POWER switch Used to make settings in the setup display, change listening mode
See illustration below
Turns on and off the main power supply for the TX-DS595. settings, and more.
STANDBY indicator SETUP button
Lights when the TX-DS595 is in the standby state and flashes when Press to enter and exit the setup mode.
a signal is received from the remote controller.
A SPEAKERS B CH LEVEL
RETURN button
MASTER VOLUME
STANDBY/ON STANDBY/ON button Press to move up one level in the setup mode.
DSP / MODE ADJ SETUP
Press to turn on the TX-DS595 when in the standby state. Press again
to return the TX-DS595 to the standby state. DISPLAY button
STANDBY
RETURN
POWER