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SERVICE MANUAL
license
from
Dolby
noise
reduction
manufactured
under
Dolby
Laboratories
Licensing Corporation.
"DOLBY"
and the double-D
symbo!
0
are trademarks
of
Dolby Laboratories Licensing Corporation.
Model Name Using Similar Mechanism
US Model
Canadian
Model
AEP
Model
Uk Model
E Model
Australian
Model
TC-WR635S
DECK A | TCM-190RA12CL
DECK B | TCM-190RB12C7
Tape Transport Machanism
Type
SPECIFICATIONS
4-track 2-channel stereo.
Fast winding time
Approx. 90 sec. (with Sony C-60 cassette)
Bias
AC bias
Signal-to-noise ratio (at peak level and weighted)
Recording system
Cassette
Type IV
Type II
j
Type I
CO
58 dB
57 dB
55 dB
S/N
ratio improvement (approximate values)
with Dolby B NR on: 5 dB at 1 kHz; 10 dB at 5 kHz
with Dolby C NR on: 15 dB at 500 Hz; 20 dB at 1 kHz
with Dolby S NR on: 10 dB at 100 Hz; 24 dBat 1 kHz
Harmonic distortion
0.4 % (with Sony Type I, 160 nWb/m, 315 Hz,
3rd H.D.)
1.8 % (with Sony Type IV, 250 nWb/m,
315 Hz, 3rd H.D.)
Frequency response (Dolby NR OFF)
Type IV cassette
30 - 18,000 Hz (+3 dB, IEC)
30 - 13,000 Hz [+3 dB (-4 dB) recording]
Type I cassette
30 - 17,000 Hz (£3 dB, IEC)
Type I cassette
30 - 15,000 Hz (+3 dB, IEC)
Type IV: Sony Type IV (METAL)
Type I:
Sony Type II (HIGH)
Typel:
Sony Type I (NORMAL)
+ 0.13 % W.Peak (IEC)
0.07 % W.RMS (NAB)
+ 0.18 % W.Peak (DIN)
Input impedance
47 k ohms
Wow and flutter
Inputs
Line inputs
(phono jacks)
Outputs
Line outputs
(phono jacks)
Rated output level
0.5 V ata load impedance of
47 k ohms
Load impedance
Over 10 k ohms
Headphones
(stereo phone jack)
Output level
1 mW ata load impedance
of 32 ohms
General
Power requirements
US, Canadian model : 120V AC, 60Hz
AEP, German model : 220-230V AC, 50/60Hz
UK model : 240V AC, S0Hz
E model:
120, 220 or 240V AC adjustable, 50/60Hz
Australian model : 240V AC, 50/60Hz
Power consumption
29 W
Mass
Approx. 4.5 kg (9 Ibs 15 oz)
Supplied accessories
Audio connecting cords (2)
STEREO CASSETTE DECK
ONY.
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