Sony XR-7190 Service Manual

SERVICE MANUAL
US Model
Canadian Model
XR-7280
AEP Model
XR-7190/7191
E Model
XR-7191
Photo: XR-7280
'SPECIFICATIONS
FAUDIO POWER SPECIFICATIONS 7"
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
ier
ret to
14 watts per channel minimum continuous average power into
4 ohms, both channels driven, from 40-20,000 Hz with no more
than 1% total harmonic distortion.
LOther Specifications
Power amplifier section
Outputs Speaker outputs
(sure seal connectors)
Speaker impedance 3.2-8 ohms
Maximum power output
27 W x 2 (at 4 ohms)*
9 W x 4 (at 4 ohms)*
*Measured at 14.4 V
Cassette player section
Tape track 4-track 2-channel stereo
Frequency response 30-18,000 Hz
Signal-to-noise ratio
Cassette
Dolby B Dolby C Dolby off
fyPeT | e908 | vase | sse5 |
0.1% (WRMS)
Wow and flutter
Tuner section
FM
Tuning range XR-7280:87.9—107.9 MHz
XR-7190/7191:87.5—108.0 MHz
Antenna terminal
External antenna connector
Usable sensitivity 12 dBf (75 ohms)
Selectivity 75 dB at 400 kHz
Signal-to-noise ratio
65 dB (stereo), 70 dB (mono)
Harmonic distortion at 1 kHz
0.5% (stereo), 0.3% (mono)
Separation 35 dB at 1 kHz
Frequency response 30- 15,000 Hz
Capture ratio 2dB
AM
t+
Tuning range
XR-7280:530—1,710 kHz
aS=
XR-7190/7191:531—1,602 kHz (at 9 kHz step)
530—1,602 kHz (at 10 kHz step)
Sensitivity 35pnV
RIEL nbn eas Si sds TPT
General
Output lead Power antenna relay control
lead
Power amplifier control lead
Bass +10 dB at 100 Hz
Treble +10 dB at 10 kHz
+10 dB at 100 Hz
+6 dB at 10 kHz
Power requirements 12 V DC car battery (negative
ground)
Dimensions (without bracket)
Approx. 178 x 50 x 153 mm
(w/h/d)
(7% x 2 x 6 inches)
not incl. projecting parts and
controls
Mounting dimensions
Approx. 182 x 53 x 145 mm
(w/h/d)
(7/4 x 2%, x 53, inches)
not incl. projecting parts and
controls
Weight Approx. 1.9 kg (4 Ib. 3 0z.)
Accessories supplied Mounting hardware (1 set)
Tone controls
Loudness
Design and specifications subject to change without
notice.
FM/AM CASSETTE CAR STEREO
SONY.