Sony WE475 Service Manual - Page 1

SERVICE MANUAL Ver 1.0 2001.04 TC-WE475 US Model Canadian Model AEP Model UK Model E Model Australian Model 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. Model Name Using Similar Mechanism DECK A Transport Mechanism Type DECK B TC-WE435 TCM-230ASR41A TCM-230ASR41B 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 SPECIFICATIONS Wow and flutter ±0.15% 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 - Continued on next page - STEREO CASSETTE DECK 9-873-893-11 2001D0900-1 © 2001. 4 Sony Corporation Home Audio Company Shinagawa Tec Service Manual Production Group