Service Manuals, User Guides, Schematic Diagrams or docs for : ONKYO Audio TX-DS797 hfe_onkyo_tx-ds797_service_en
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TX-DS797
Ref. No. 3714
102001
SERVICE MANUAL
AV RECEIVER
MODEL TX-DS797
DISPLAY DIMMER REC OUT ZONE 2 OFF
MASTER VOLUME
STANDBY/ON
SETUP
TUNI NG
ENTER
STANDBY
POWER RE TURN
PRESET
ON OFF
DIRECT STEREO SURROUND THX DSP FM MODE MEMORY A-FO RM LISTENING MODE MEMORY
UPSAMPLING
CLEAR
ZONE 2 ( GRN )
PHONES REC ( RED ) VIDEO 5/VIDEO CAM INPUT
AUDIO DVD VIDEO 1 VIDEO 2 VIDEO 3 VIDEO 4 VIDEO 5 TAPE FM AM PHONO CD
SELECTOR
VCR 1 VCR 2
DIGITAL S VIDEO VIDEO L AUDIO R
AV RECEIVER TX-DS797
Black, Golden and Silver models
BMDD 120V AC, 60Hz
BMPP,SMPP,BMPA,GMPA 230-240V AC, 50Hz
BMWT,GMWT,GMWR 120/220-230V AC, 50/60Hz
GMGT 220-230V AC, 50Hz
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK ON THE
SCHEMATIC DIAGRAMS 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.
TX-DS797
SPECIFICATIONS
AMPLIFIER SECTION TUNER SECTION
Continuous Average Power output (FTC) FM
All channels: 100 watts per channel min. RMS at Tuning Range: 87.5 -- 108.0 MHz (50 kHz steps)
8 ohms, 2 channels driven from 20 Usable Sensitivity
Hz to 20 kHz with no more than Mono: 11.2 dBf, 1.0 u V (75 ohms IHF)
0.08% total harmonic distortion. 0.9 uV (75 ohms DIN)
130 watts min. RMS at 6 ohms, 2 Stereo: 17.2 dBf, 2.0 u V (75 ohms IHF)
channels driven from 1 kHz with 23u V (75 ohms DIN)
no more than 0.1% total harmonic 50 dB Quieting Sensitivity
distortion. Mono: 17.2 dBf, 2.0uV (75 ohms)
Continuous Power output (DIN) 135 watts at 6 ohms Stereo: 37.2 dBf, 20uV (75 ohms)
Maximum Power output (EIAJ) 160 watts at 6 ohms Capture Ratio: 2.0 dB
Dynamic Power Output (Stereo) 2 x 250 watts at 3 ohms Image Rejection Ratio
2 x 210 watts at 4 ohms USA & Canadian models: 40 dB
2 x 130 watts at 8 ohms Other area models: 85 dB
Total Harmonic Distortion: 0.08% at rated power IF Rejection Ratio: 90 dB
0.08% at 1 Watt output Signal-to-Noise Ratio
IM Distortion: 0.08% at rated power Mono: 76 dB
0.08% at 1 Watt output Stereo: 70 dB
Damping Factor: 60 at 8 ohms Alternate Channel Attenuation: 55 dB
Input Sensitivity and Impedance Selectivity: 50 dB (DIN)
PHONO: 2.5 mV, 50 kohms AM Suppression Ratio: 50 dB
LINE (CD, TAPE, DVD, Total Harmonic Distortion
VIDEO 1-5): 200 mV, 50 kohms Mono: 0.2%
MULTICHANNEL INPUT Stereo: 0.3%
(FRONT L/C/R, SURROUND Frequency Response: 30 Hz -- 15 kHz, 1.0 dB
L/R, SURROUND BACK L/R): 200 mV, 50 kohms Stereo Separation: 45 dB at 1 kHz
(SUBWOOFER): 36 mV, 50 kohms 30 dB at 100 Hz 10 kHz
--
COAXIAL 1, 2, 3 (DIGITAL): 0.5 Vp-p, 75 ohms AM
DVD, VIDEO 1, 2, 3, 4, 5: 1 Vp-p, 75 ohms Tuning Range
1 Vp-p, 75 ohms (Y) USA & Canadian models: 530 to 1,710 kHz (10-kHz steps)
0.28 Vp-p, 75 ohms (C) European & Australian models: 522 to 1,611 kHz (9-kHz steps)
COMPONENT VIDEO 1, 2: 1 Vp-p, 75 ohms (Y) Worldwide models: 531 to 1,602 kHz (9-kHz steps)
0.7 Vp-p, 75 ohms (PB,PR) 530 to 1,710 kHz (10-kHz steps)
Output Level and Impedance Usable Sensitivity: 30 uV
Rec out (TAPE, VIDEO 1, 2): Image Rejection Ratio: 40 dB
200 mV, 470 ohms IF Rejection Ratio: 40 dB
Pre out: 1 V, 470 ohms Signal-to-Noise Ratio: 40 dB
ZONE 2 OUT: 100mV, 470 ohms Total Harmonic Distortion: 0.7%
VIDEO (VIDEO 1, 2, MONITOR
OUT, ZONE 2 OUT): 1 Vp-p, 75 ohms GENERAL
1 Vp-p, 75 ohms (Y) Power Supply
0.28 p-p, 75 ohms (C) USA & Canadian models: AC 120 V, 60 Hz
COMPONENT VIDEO OUT: 1 Vp-p, 75 ohms (Y) European & Australian models: AC 230-240 V, 50 Hz
0.7 Vp-p, 75 ohms (PB,PR) Some Asian models: AC 220-230 V, 50/60 Hz
Phono Overload: 120 mV RMS at 1 kHz, 0.5% T.H.D. Worldwide models: AC 220-230 and 120 V switchable,
Frequency Response: 10 Hz to 100 kHz : +1/-3 dB 50/60 Hz
(CD in Direct mode) Power Consumption
RIAA Deviation: 20 Hz to 20 kHz : 0.8 dB USA & Canadian models: 6.8 A
Tone Control Other models: 550 W
Bass: 10 dB at 50 Hz Dimensions (W x H xD): 435 x 175 x 459 mm
Treble: 10 dB at 20,000 Hz 17-1/8" x 6-7/8" x 18-1/16"
Signal-to-Noise Ratio (Stereo) Weight
Phono: 80 dB (IHF A, 5 mV input) USA & Canadian models: 35.9 lbs.
CD/Tape: 110 dB (IHF A, 0.5 V input) Other models: 17.3 kg
REMOTE CONTROLLER
Transmitter: Infrared
Signal range: Approx. 16 ft., 5 meters
Power supply: Two " AA " batteries (1.5 V x 2)
Specifications and features are subject to change without notice.
TX-DS797
A B C D
SERVICE PROCEDURES
1. Replacing the fuses 4. Memory Preservation
This unit does not require memory preserv ation batteries. A
This symbol located near the fuses indicates that the built-in memory power back-up system preserv es the contents
1 fuse used is fast operating type. For continued protection against of the memory during po wer f ailures and even when the unit is
fire hazard, replace with same type fuse. For fuse rating refer to unplugged. The unit must be plugged in order to char ge the
the marking adjacent to the symbol. back-up system.
The memory preserv ation period after the unit has been
Ce symbole indique que le fusible utlise est a rapide. unplugged v aries depending on climate and placement of the
Pour une protection permanente, n'untiliser que fusibles de unit. On the average, memory contents are protected over a
period of a fe w weeks after the last time the unit has been
meme type. Ce darnier est la qu le present symbol est
unplugged. This period is shorter when the unit is exposed to a
appse.
highly humid climate.
CIRCUIT NO. PART NO. DESCRIPTION 5.Setting the Voltage selector (Worldwide models
F901 252199 10A-UL/T-314,Fuse onl y)
F902 252077, 4A-SE-EAK,
252243 or 4A-SE-TL250V or Worldwide models are equipped with a voltage selector to conform with
2 local power supplies. Be sure to set this switch to match the voltage of
252277 4A-SE-TL250V,Fuse
the power supply in your area before plugging in the unit.
F903 252075, 2.5A-SE-EAK,
1. Determine the proper voltage for your area: 220-230 V or
252241 or 2.5A-SE-TL250V or 120 V.
252275 2.5A-SE-TL250V,Fuse
2. If the preset voltage is not correct for your area, insert a screw-
F9501,F9502 252160 or 2.5A-UL/T-237 or driver into the groo ve in the switch. Slide the switch all the w a y
252254 2.5A-T/UL-ST2,Fuse to the right (120 V) or to the left (220-230 V), which ever is
252075, 2.5A-SE-EAK, appropriate.
252241 or 2.5A-SE-TL250V or
252275 2.5A-SE-TL250V,Fuse
F9503,F9504 252158 or 1.6A-UL/T-237 or
252252 1.6A-T/UL-ST2,Fuse
3 252073 or 1.6A-SE-EAK or
252239 1.6A-SE-TL250V,Fuse
Note: :120V model only
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