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Sony TC-RX77 Service Manual

Sony TC-RX77 Service Manual

Stereo cassette deck

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TC-RX77/RX7TTES
SERVICE MANUAL
Dolby
noise
reduction
manufactured
under
license
from
Dolby Laboratories Licensing Corporation.
"DOLBY"
and the double-D symbol
00)
are trademarks of
Dolby
Laboratories
Licensing Corporation.
4-track 2-channel stereo
Approx. 90 sec. (with Sony C-60
Recording system
Fast-winding time
cassette)
Bias
AC bias
Heads
Erasing head x 1 (ferrite head)
Playback/Recording head x 1 (LA
head)
Motors
Capstan motor x 1 (DC servo motor)
Reel motor x 1 (DC motor)
ASIST (mechanical drive) motor x 1
(DC motor)
Signal-to-noise ratio (at peak level)
Type IV (Sony METAL-SLT) | 59dB | 67 4B
Type
Il (Sony UX-S)
58dB | 66dB
Total harmonic distortion
1% (with Sony METAL-SLT cassette)
Frequency response (DOLBY NR OFF)
20- 20,000Hz (+ 3db,/EC)
(US, Canadian
models)
25-19,000Hz
(+ 3db,JEC)
(AEP)
Type Il cassette
25 - 17,000 Hz (+3 dB, IEC)
(Sony UX-S)
Type | cassette
25 - 16,000 Hz (+3 dB, IEC)
(Sony HF-S)
Wow and flutter
+0.09% W. Peak (IEC)
0.06% WRMS (NAB).
+0.16% W. Peak (DIN)
Type IV cassette
(Sony METAL-SLT)
Dolby NR switch
OFF
B-Type | C-Type
ON
ON
|
US Model
Canadian Model
TC-RX77TES
AEP Model
TC-RX77
Model
Name
Using Similar Mechanism
TC-RX70/RX70ES
Tape Transport
Mechanism
Type
TCM
- 200R6
hg
s
Inputs
(phone
Outputs
Line outputs
(phono jacks)
Headphones
(stereo phone
jack)
Line inputs
(phono jacks)
Microphone inputs
77.5 mV
Input impedance | 47 k ohms
Sensitivity (For a | 0.25 mV
low-impedance
|
microphone)
jacks)
Rated output level] 0.32 V ata load
impedance of 47
k ohms
Load impedance | Over 10 k ohms
Output level
0-1.25 mW ata
load impedance of
32 ohms
General
Power requirements
RX77ES
: 120 V AC, 60Hz (US, Canadian
models)
RX77
=: 220V
AC, 50/60Hz
(AEP
model)
Power consumption
20W
Dimensions
Approx. 430 x 123 x 300 mm (w/h/d)
(17 x 4% x 117% inches)
including projecting parts and controls
Weight
Approx. 4.7 kg (10 Ibs 6 02)
Supplied accessory
Audio connecting cords (2)
Design and specifications subject to change without notice.
STEREO CASSETTE DECK
SONY.

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Tc-rx77es

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