Sony EL 7 Service Manual

Page 1

_ * ELCASET srrnrnmnxn nick;

SPECIFICATIONS

Power Requirements: 110 V ac, 60 Hz Signal-to-noise Ratio:

Power Consumption: 46W
Dimensions: Approx.
430 (w) x 170 (h) x 320 (d) mm
17 (w) x 63/4 (h) x 1278 (d) inches
Including projecting parts and controls
Weight: Approx. 13kg, 28 lbs 11 oz

Tape Speed: 9.5 cm/s (33/4 ipsl

Total Harmonic Distortion:

Fast Forward and

Rewind Time: Approx. 60 seconds (by LC-BU) Frequency RESPOHSB:

Recording system: 4-track 2-channel stereo

Bias Frequency: 160 kHz

as Dolby' and the double-D symbol are the trade marks of
Dolby Laboratory Inc. Noise reduction system manufactured
under license from Dolby Laboratory Inc. 'OdB = 0.775V

L03??? 1

Look for this mark on all products manufactured umer

SAFETV~RELATED COMPONENT WARNINGII

COMPONENTS IDENTIFIED 8V SHADING ON THE
SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE
CRITICAL T0 SAFE OPERATION. REPLACE THESE
COMPONENTS WITH SONV PARTS WHOSE PART

ELCASET standard.

DOLBY NR OFF
0 With Type II ELCASET (FeCrI

62 dB at peak level (NAB)
54dB (DIN. Old)
62dB(D|l\l,1975 rev.)

With Type | ELCASET (SLH)

59dB at peak level (NAB)
51 dB (DIN, old)
59:18 (DIN, 1975 rev.)

DOLBY NH 0N
Improved by 5dB at 1 kHz, IOdB

above 5 kHz

0.8%

DOLBY NR OFF
0 With Type II ELCASET (FeCr)

15 ~ 27,000Hz (NAB)

25 7 22,000Hz i3dB (NAB)

2o - 25,000 Hz (DIN)

With Type I ELCASET (SLH)

15 - 25,000 H2 (NAB)

25 7 20,000 Hz i3dB (NAB)

20 - 22,000 Hz (DIN)

# Continued on page 2 -

SONE

NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY.

SERVICE MANUAL

, US Model
Canadian Model ,

Page 2

Wow and Flutter:

Inputs:

Outputs:

0.04 96 WRMS

MIC (phone jacks) ............ 2
sensitivity 03 mV (-68 dB)
for low impedance microphone
LINE IN (stereo binaurel jack). . 1
(phone jacks). . . 2
sensitivity 0.095 V (-1
input impedance 100 k ohms

LINE OUT (phono jacks) ...... 2
output level 0.775V (0 dB)
at load impedance 100 k ohms with
LEVEL ADJUST control turned
fully clockwise
suitable load impedance more than
10 k ohms

HEADPHONES .............. 1
suitable load impedance 8 - 32 ohms

0 dB = 0.775V