Sony TC-WR545 Service Manual
Stereo cassette deck
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Also See for TC-WR545:
- Operating instructions manual (21 pages) ,
- Service manual (34 pages) ,
- Operating instructions manual (21 pages)
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SERVICE MANUAL
Photo : TC-WR545
US Model
Canadian
Model
TC-WR545/WR74 1
AEP
Model
UK Model
E Model
Australian
Model
TC-WR545
Model Name Using Similar Mechanism | TC-WR535
Tape Transport Machanism
Type
DECK A} TCM-190RA12CL
TCM-WR545 : TCM-190RB12CL
DECK B
TCM-WR741
: TCM-190RB52C
SPECIFICATIONS
4-track 2-channel stereo
Approx. 90 sec. (with Sony C-60
cassette)
Bias
|
AC bias
Signal-to-noise ratio (at peak level and weighted)
Cassette
Type IV
Type Il
Type I
(Dolby NR
OFF)
58 dB
57 dB
55 dB
S/N
ratio improved (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
Recording system
Fast winding time
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
Type I
Type lI
cassette
cassette
cassette
30 - 18,000 Hz
}30- 17,000 Hz | 30 - 15,000 Hz
(43 dB, TEC)
{G@3dB,IEC)
| (43 dB, IEC)
30 - 13,000 Hz
[+3 dB (-4 dB)
recording]
Type IV: Sony Type IV (METAL)
Type Il: Sony Type IJ (HIGH)
Typel:
Sony Type I (NORMAL)
Wow and flutter
+0.14% W.Peak (IEC)
0.08% W.RMS (NAB)
+0.19% W.Peak (DIN)
— Continued
on page 2 —
Dolby
noise
reduction
manufactured
under
license
from
Dolby Laboratories Licensing Corporation.
"DOLBY"
and the double-D symbol
90
are trademarks of
Dolby Laboratories Licensing Corporation.
STEREO CASSETTE DECK
SONY.
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