Sony tc wr 670 service manual

Page 1

TC-WRBIII

SERVICE MANUAL us Model

Canadian Model
AEP Model

UK Model

E Model

Model Name Using

Similar Mechanism TC'WRSZO

Tape Transport

Mechanism Type deckA, B: TCM-I QORBI 2C

SPECIFICATIONS
Recording system 4-track 2-channel stereo Outputs
Fast Winding time Approx. 90 sec. (wuth Sony c-eo cassette) Line outputs Rated output level 0 32 V at a load
Bias ' V AC bias (phono lacks) impedance of
Signal'to-nOIse ratio (at peak level) 47 k ohms
Dolb NFI switch '
Y OFF B-Type ON C-Type ON Load Impedance Over 10 k ohms

Cassette Headphones Output level 03 mW at a load
Type IV (stereo phone jack) Impedance of

(Sony METALSLT) 58 dB 66 dB 73 d8 32 ohms

Type II (Sony UXS) 57 dB 65 dB 72 dB

Type I (Sony HF-S) 55 as 63 dB 70 (18 Gem

Power requirements
Total harmonic distortion 1.0% (with Sony METAL-5LT cassettes) ALéi, ganadian 29f £sz :59???) 3/96ng
, ermany mo 8 i - I Z

Frequency response (DOLBY NR OFF) UK model: 240V AC,50/60Hz

Type IV cassette 30 - 15,000 Hz (13 dB, IEO) E model: 120, 220, 240VAC150/60Hz 29W
(Sony METAL-5LT) 30 - 13,000 Hz [:3 dB 0VU(-4 dB)recordtngl Power consumption 29 W

Type II cassette 30 _ 15000 Hz (13 dB, IEC) Dimensions Approx. 430 x 135 x 300 mm (w/h/d)
(Sony UX»S) (17 x 5% x 117/! inches)

Type | cassette including projecting pans and controls
(Sony Has) 30 -000 HZ (i3 d3: '50) Weight Approx, 4.7 kg (10le 3 oz)
Wow and Ilutter 10.13% W.Peak (IEC) Supplied accessory Audio connecting cords (2)

0.07% WRMS (NAB) , .. . ,
:01 8% W.Peak (DIN) Destgn and spectllcattons subject to change without notice.

Inputs

Line inputs Sensitivity 77.5 mV

(phone 13°) Input impedance 47 k ohms

Dolby noise reduction manufactured under license from STEREO CASSETTE DECK
Dolby Laboratories Licensing Corporation.

DOLBV" and the doubleD symbol [JO are trademarks of

Dolby Laboratories Licensing Corporation. ®