Sony tc wr 661 service manual

Page 1

TC-WE405/WR35llZ/WRBBI

SERVICE MANUAL us Model

Canadian Model

TC- WE405/WHSSOZ/WR66 1

AEP Model
UK Model
E Model

TC- WE405/WFl661
Australian Model
Chinese Model

TC-WE405
Photo :TC-WE405

Dolby noise reduction and HX Pro headroom extension TC-WE405
manufactured under license from Dolby Laboratories Licensing . 4 ,
Corporation. HX Pro originated by Bang & Olufsen. M°d9' Name USMQ Similar Mechanism TCWR445

T rt M h ' DE K-A
DOLBY, the double-D symbol an and HX PRO" are trademarks ape Trans 9° my C TCMQQOWM
of Dolby Laboratories Licensing Corporation. Type DECK_B

TC-WR3502/WR661
Model Name Using Similar Mechanism NEW

Tape Transport Mechanism DECK-A

TCM-220WR4E

Type DECK-B
SPECIFICATIONS
System
Recording system Frequency response (Dolby NR 0)
4-track Z-channel stereo Type I tape, Sony Type I (NORMAL): 30 - 16,000 Hz
(:3 dB, IEC)
Fast-winding time (approx.) Type II tape, Sony Type II (HIGH): 30 - 17,000 Hz
180 sec, (with Sony C-60 cassette) (:3 dB IEC)
. Type lV tape, Sony Type lV (METAL): 30 - 19,000 Hz
Bias (:3 dB, IEC)
AC bias 30 - 13,000 Hz (:3 dB, -4 dB recording)
Type I tape, Sony Type I (NORMAL): 20 - 17,000 Hz
Signal-to~noise ratio (at peak level and weighted with Dolby NR off) (16 d5)
Type I tape, Sony Type I (NORMAL): 55 dB Type ll tape, Sony Type ll (HIGH): 20 - 18,000 Hz
Type n tape, Sony Typell (HlCH): 57 dB (2665)
Type lV tape, Sony Type IV (METAL): 53 as Type IV tape 501w Type 1V (MEAL): 2° - 20900 Hz
(:6 dB)
SIN ratio improvement (approximate values) Wow and flutter
With Dolby B NR on: 5 dB at] kHz,10 dB at 5 kHz 20.15% W. Peak (lEC)
With Dolby C NR on: 15dB at 500 Hz. 20 dB at] kHz 0.! % W. RMS (NAB)
Harmonic distortion 102% W. Peak (DIN)

-- Continued on ne t -
0.4% (with Type I tape, Sony Type I (NORMAL): x page

fin STEREO CASSETTE DECK
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