Sony XR-7130 Service Manual

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XR-7130/7140/1142/7600
SERVICE MANUAL
Pe
Power amplifier section (XR-7140)
Outputs Speaker outputs
(sure seal connectors)
Speaker impedance 3.2-—8 ohms
Maximum power output
20 W x4 (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
i
Cassette
type Dolby B Dolby C Dolby off
TYPE Hi, iV 66 dB 76 dB 58 dB
TYPE | 63 dB 73 dB 55 dB
Wow and flutter 0.1% (WRMS)
Tuner section
FM
Tuning range
Antenna terminal
Intermediate frequency
87.5 - 108.0 MHz
External antenna connector
10.7 MHz
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 2 dB
TAPE
ie
PM AM
M SCAN
A MEM
Photo: XR-7140
SPECIFICATIONS
AM
Tuning range
Antenna terminal
Intermediate frequency
Sensitivity
Model Name Using Similar Mechanism XR-7170
Tape Transport Mechanism Type MG-55C-31
US Model
XR-7130/ 7600
Canadian Model
XR-7140/ 7600
AEP Moadel
XR-7140
E Model
XR-7140
Germany Model
XR-7142
European and other
countries
531 —1,602 kHz
(at 9 kHz step)
Central and South American
countries
530 ~— 1,620 kHz
(at 10 kHz step)
AM tuning interval
9 kHz/10 kHz switchable
External antenna connector
450 kHz
35zV
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Dolby noise reduction manufactured under license from
Dolby Laboratories Licensing Corporation.
"DOLBY" and the double-D symbol DQ are trademarks of
Dolby Laboratories Licensing Corporation.
FM/AM CASSETTE CAR STEREO