Sony xr 7071 service manual

Page 1

SERVICE MANUAL

Photo: XFt-7070

U8 Model
Canadian Model
E Model

XR-7070

AEP Model

XR- 7070/7077

Germany Model

XR-7072

NOTE : XR-7070 (US model) is revised

Model Name Using Similar Mechanism NEW
Tape Transport Mechanism Type 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 4-tlack 2-channel stereo
Frequency responce 30 - 18,000 Hz
Signal»to»noise ratio

Cassette type Dolby B Dolby off

TYPE Il , IV 66 dB 58 dB

TYPE I 63 dB 55 dB
Wow and flutter 013% (WRMS)

Tuner section
FM
Tuning range

Antenna terminal
Intermediate-frequency
Usable sensitivity
Selectivity
Signal-to-noise ratio

XR-707o (US/Canadian):
87.9 - 107.9 MHZ

XR-7070 (AEP/E)/7071/7072
87.5 s 108.0 MHZ

External antenna connector

101 MHZ

12 dBf (75 ohms)

75 dB at 400 kHZ

65 dB (stereo), 70 dB (mono)

Harmonic distortion at 1 kHz

Separation
Frequency response
Capture ratio

0.5% (stereo), 013% (mono)
35 dB at 1 kHz

30 -- 15,000 HZ

2 dB

- Continured on next page -

Dolby noise reduction manufactured under license from
Dolby Laboratories Licensing Corporation
"DOLBY" and the double-D symbol D0 are trademarks of
Dolby Laboratories Licensing Corporation.

FM/AM CASSETTE CAR STEREII
SON!