Sony TC-R303 Service Manual

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3 7 63 1515 0
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.
Recording system

4-track 2-channel stereo

TE
L 13942296513
Fast-forward and rewind time
Approx. 90 sec. (with C-60 cassette)
Bias frequency 105 kHz
Signal-to-noise ratio (NAB, at peak level)
TYPE II (Sony UX S)
Total harmonic distortion
1.0% (with Sony METAL-ES cassettes)
Frequency response
DOLBY NR OFF
With TYPE I V cassette (Sony METAL-ES)
l
30
30
With TYPE II cassette (Sony UX-S)
l
30 15,000 Hz (±3 dB)
With TYPE
l
20
Wow and flutter 0.07% WRMS (NAB)
inputs Microphone inputs (phone jacks)
Sensitivity 0.25 mV (-70 dB)
For a low-impedance microphone
Line inputs (phono jacks)
Sensitivity 77.5 mV (-20 dB)
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Input impedance 47 kilohms
outputs Line outputs (phono jacks)
Output level 0.44 V (-5 dB) at load
impedance 47 kilohms
. Load impedance over 10 kilohms
Headphones output (stereo phone jack)
Output level -28 dB at load impedance
8 ohms
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SPECIFICATIONS Tape Transport Mechanism Type
B TYPE
ON
65dB
64 dB
67dB
61 dB
15,000 Hz (±3 dB)
13,000 Hz (±3 dB, 0 VU recording)
I
cassette (Sony HF-S)
14,000 Hz (±3 dB)
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y
i
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8
Model Name Using Similar
General

Power requirements

Q Q
3 6 7 1 3
Power consumption
C-TYPE
Dimensions
O N
71 dB Weight
70dB
SAFETY-RELATED
COMPONENTS IDENTIFIED BY SHADING AND MARK
PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS
WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
ATTENTION AU COMPOSANT AYANT RAPPORT
L E S C O M P O S A N T S IDENTIFIES PAR UNE TRAME ET
U N E M A R Q U E h S U R L E S DIAGRAMMES SCHE-
MATIQUES ET LA LISTE DES PIECES SONT CRITIQUES
POUR LA SECURITE DE FONCTIONNEMENT. NE REM-
P L A C E R C E S C O M P O S A N T S D U E P A R D E S PIECES
S O N Y D O N T L E S NUMEROS SONT DONNES DANS CE
MANUEL OU DANS LES SUPPLEMENTS PUBLIES PAR
SONY.
STEREO CASSETTE DECK
u163
.
2 9 9 4 2 8
US Model
Canadian Model
AEP Model
1 5 0 5 8 2 9 9 4
USA and Canadian
model: 120 Vac, 60 Hz
UK model: 240V
ac, 50/60Hz
AEP model: 22OV ac, 50/60 Hz
20 Watts
(w/h/d)
Approx. 430 x 110 x 255 mm
(17 x 4% x 10% inches)
including projecting parts and controls
Approx. 3.9 kg (8 Ibs 10 oz)
COMPONENT WARNING!!
A
LA SECURITE
m
co
SONY
9 9
2 8 9 9