Sony tc k 808 es service manual

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TC-KBUBES

SERVICE MANUAL AEP Model

Dolby noise reduction manufactured Under license from TC-K222ESA/
Dolby Laboratories Licensing Corporation. Model Name Using Slmllar Mechanism TC-KBQOES
"DOLBY" and the double-D symbol DU are trademarks of

Dolby Laboratories Licensing Corporation. 3859 Ullit Name TOM-200014

SPEC|FICATIONS

Recording system 4-track Zechannel stereo Wow and llutter : 0.05% W.Peak (lEC)
Fast winding time Approx. 90 sec. (with Sony 060 cassette) 0-025% W-RMS (NAB)
Bias AC bias 1 0.07% W.Peak (DIN)
Heads Erasing head x 1 (S&F head) '"PUS
Recording head x 1 (SD head) . . . . ~ 1
Playback head x1 (SD head) L": "9": sens't'v'ty 0 6V
Motors Capstan motor x 1 (direct drive linear torque (p onoiac S) Input impedance 47 k ohms
BSL motor)
Reel motor X 1 (DC motor) Outputs
Assist (mechanism drive) motor x 1 (DC
motor) Line outputs Rated output level 0.5 V at a load impedance
Signal-to-noise ratio (at peak level and weighted) (phono jacks) 0' 47 k Ohms
Cassette Type IV Type ll Type I Load impedance Over 10 k ohms
(Dolby NR off) 61 dB 59 dB 57 dB Headphones Output level 0 - 3 mW at a load
(stereo phone jack) impedance of 32 ohms
S/N ratio improvement (approxrmate values)
With Dolby B NR on: 5 dB at 1 kHz; 10 dB at 5 kHz General
With Dolby C NR on: 15 dB at 500 H2; 20 dB at 1 kHz Power requirements 220 - 230 V AC. 50/60 Hz
With Dolby 8 NH on: 10 dB at 100 Hz; 24 dB at 1 kHz Power consumption 26 W
, Dimensions Approx. 470 x 135 x 350 mm (w/h/d)
Harmonic distortion 0.4% (with Type I, 160 nWb/m, 315 Hz, including projecting pans and controls
3rd H.D,) Mass Approx. 8.0 kg (17 lbs 11 oz)
l-5"/o iWIih TYPE IV, 250 nWb/mi 315 HZ) Supplied accessories Audio connecting cords (2)
3rd H.D.) M3x8 screws (4)
Frequency response (Dolby NR oll)
Type IV cassette 20 _ 21,000 Hz (:3 dB, IEC) Design and specifications are subject to change without notice.
20 - 16,000 Hz [:3 dB (.4 dB recording
Type ll cassette 20 - 19,000 Hz (:3 dB. IEC)
Type lcassette 20 » 17,000 Hz (:3 dB, IEC)

Type IV : Sony METALaS or ES-IV

i221 STEREO CASSETTE DECK
SONY: