Sony XR-7072 Service Manual

Photo: XR-7070
US Model
Canadian Model
E Mode
VD TFNAIN
FAVA lew A U0
AEP Mode
XR-7070/7077
Germany Model
XR-7072
NOTE : XR-7070 (US model) is revised.
NEW
MG-38AKV-34
SPECIFICATIONS
AUDIO POWER SPECIFICATIONS
(7070 (US/Canadian))
POWER OUTPUT AND TOTAL HARMONIC DISCRIPTION
10 watts per channel minimum continuous average power
into 4 ohms, both channels driven, from 30 — 20,000 Hz with
no more than 1% total harmonic distortion.
Power amplifier section
Outputs Speaker outputs
(sure seal connectors)
Speaker impedance 3.2 — 8 ohms
Maximum power output 20 W x 4 (at 4 ohms)*
*Measured at 14.4 V
Cassette player section
Tape track
Frequency responce
Signal-to-noise ratio
Dolby B Dolby off
TYPE II, IV 66 dB 58 dB
TYPE |
4-track 2-channel stereo
30 — 18,000 Hz
Cassette type
Wow and flutter
0.13% (WRMS)
Tuner section
FM
Tuning range
Antenna terminal
Intermediate-frequency
Usable sensitivity
Selectivity
Signal-to-noise ratio
XR-7070 (US/Canadian):
87.9 — 107.9 MHz
XR-7070 (AEP/E)/7071/7072
87.5 — 108.0 MHz
External antenna connector
10.7 MHz
12 dBf (75 ohms)
75 dB at 400 kHz
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 2 dB
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Dolby noise reduction manufactured under license from
Dolby Laboratories Licensing Corporation.
"DOLBY" and the double-D symbol QJ are trademarks of
Dolby Laboratories Licensing Corporation.
SONY.