Sony TC-WE675 Service Manual

SERVICE MANUAL
Ver 1.0 2001.04
Dolby noise reduction extension manufactured under license
from Dolby Laboratories Licensing Corporation.
HX Pro originated by Bang & Olufsen. "DOLBY", the double-D
symbol ; and "HX PRO" are trademarks of Dolby Laboratories
Licensing Corporation.
System
Fast-winding time
Approx.100 sec. (with Sony C-60 cassette)
Signal-to-noise ratio (at peak level and weighted with Dolby
NR off)
55 dB, using Sony TYPE I cassette
57 dB, using Sony TYPE II cassette
58 dB, using Sony TYPE IV cassette
S/N ratio improvement
With Dolby B NR on:
Approx. 5 dB at 1 kHz, 10 dB at 5 kHz
With Dolby C NR on:
Approx. 15 dB at 500 Hz, 20 dB at 1 kHz
Harmonic distortion
0.4% (using Sony TYPE Icassette):
160 nWb/m 315 Hz, 3rd H.D.)
1.8% (using Sony TYPE IV cassette):
250 nWb/m 315 Hz, 3rd H.D.)
Frequency response (DOLBY NR OFF)
30-16,000 Hz (±3 dB, IEC), 20-17,000 Hz
(±6 dB), using Sony TYPE I cassette
30-17,000 Hz (±3 dB, IEC), 20-18,000 Hz
(±6 dB), using Sony TYPE II cassette
30-19,000 Hz (±3 dB, IEC), 20-20,000 Hz
(±6 dB), 30-13,000 Hz (±3 dB, –4dB recording),
using Sony TYPE IV cassette
Sony Corporation
9-873-894-11
Home Audio Company
2001D0900-1
Shinagawa Tec Service Manual Production Group
© 2001. 4
TC-WE675
Model Name Using Similar Mechanism
Transport Mechanism Type
SPECIFICATIONS
Wow and flutter
±0.13% W. Peak (IEC)
0.1% W. RMS (NAB)
±0.2% W. Peak (DIN)
Variable pitch range
Approx. –30 to +30 %
Inputs
Line inputs (phono jacks)
sensitivity 0.16 V, input impedance 47 kilohms
Outputs
Line outputs (phono jacks)
rated output level 0.5 V at a load impedance of
47 kilohms, load impedance over 10 kilohms
Headphones (stereo phone jack)
output level 0.25 mW at a load impedance of
32 ohms
STEREO CASSETTE DECK
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
TC-WE635
TCM-230ASR41B
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