Onkyo TX-DS898 Service Manual

TX-DS898
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.
SERVICE MANUAL
AV RECEIVER
Black, Golden and Silver models
MODEL TX-DS898
092001
BMDD
BMPP,SMPP,BMPA,GMPA
BMWT,GMWT,GMWR
GMGT
120V AC, 60Hz
230-240V AC, 50Hz
120/220-230V AC, 50/60Hz
220V AC, 50Hz
STANDBY/ON
OFF
ON
POWER
STANDBY
MASTER VOLUME
FM
AM
PHONO
C D
TAPE
DVD
VIDEO 3
VIDEO 5 VIDEO 4
VIDEO 2
VIDEO 1
ZONE 2
()
GRN
REC
()
RED
AUDIO
SELECTOR DISPL AY
PURE AUDIO UPSAMPLING
TX
-
DS
898
PUSH TO OPEN

Onkyo TX-DS898 Specifications

Amplifier Section

continuous average power output	110 watts per channel min. RMS at 8 ohms, 2 channels driven from 20 Hz to 20 kHz with no more than 0.08% total harmonic distortion
continuous average power output at 6 ohms	145 watts min. RMS at 6 ohms, 2 channels driven from 1 kHz with no more than 0.1% total harmonic distortion
continuous power output (DIN)	150 watts at 6 ohms
maximum power output (EIAJ)	180 watts at 6 ohms
dynamic power output (stereo)	2 × 280 watts at 3 ohms
dynamic power output (stereo) at 4 ohms	2 × 220 watts at 4 ohms
dynamic power output (stereo) at 8 ohms	2 × 140 watts at 8 ohms
total harmonic distortion	0.08% at rated power
IM distortion	0.08% at rated power
damping factor	60 at 8 ohms
input sensitivity and impedance (PHONO)	2.5 mV, 50 kohms
input sensitivity and impedance (LINE)	200 mV, 50 kohms
input sensitivity and impedance (MULTICHANNEL INPUT)	200 mV, 50 kohms
input sensitivity and impedance (SUBWOOFER)	36 mV, 50 kohms
output level and impedance (Rec out)	200 mV, 470 ohms
output level and impedance (Pre out)	1 V, 470 ohms
output level and impedance (ZONE 2 OUT)	100mV, 470 ohms
output level and impedance (VIDEO)	1 Vp-p, 75 ohms
output level and impedance (COMPONENT VIDEO OUT)	1 Vp-p, 75 ohms (Y)
phono overload	120 mV RMS at 1 kHz, 0.5% T.H.D.
frequency response	10 Hz to 100 kHz : +1/–3 dB
RIAA deviation	20 Hz to 20 kHz : ±0.8 dB
tone control (Bass)	±10 dB at 50 Hz
tone control (Treble)	±10 dB at 20, 000 Hz
signal-to-noise ratio (Stereo)	Phono: 80 dB (IHF A, 5 mV input)
signal-to-noise ratio (CD/Tape)	110 dB (IHF A, 0.5 V input)

Tuner Section FM

tuning range	87.5 — 108.0 MHz (50 kHz steps)
usable sensitivity (Mono)	11.2 dBf, 1.0 µV (75 ohms IHF)
usable sensitivity (Stereo)	17.2 dBf, 2.0 µV (75 ohms IHF)
50 dB quieting sensitivity (Mono)	17.2 dBf, 2.0 µV (75 ohms)
50 dB quieting sensitivity (Stereo)	37.2 dBf, 20 µV (75 ohms)
capture ratio	2.0 dB
image rejection ratio	40 dB
IF rejection ratio	90 dB
signal-to-noise ratio (Mono)	76 dB
signal-to-noise ratio (Stereo)	70 dB
alternate channel attenuation	55 dB
selectivity	50 dB (DIN)
AM suppression ratio	50 dB
total harmonic distortion (Mono)	0.2%
total harmonic distortion (Stereo)	0.3%
frequency response	30 Hz — 15 kHz, ±1.0 dB
stereo separation	45 dB at 1 kHz

Tuner Section AM

tuning range	530—1, 710 kHz (10 kHz steps)
usable sensitivity	30 µV
image rejection ratio	40 dB
IF rejection ratio	40 dB
signal-to-noise ratio	40 dB
total harmonic distortion	0.7%

General

power supply	AC 120 V, 60 Hz
power consumption	7.8 A
dimensions	17-1/8" × 6-7/8" × 18-1/16"
weight	38.4 lbs.

Remote Controller

transmitter	Infrared
signal range	Approx. 5 meters, 16 ft.
power supply	Two “AA” batteries (1.5 V × 2)