Sony TC-K777ES Service Manual

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Recording system 4-track 2-channel stereo
Fast-forward and rewind time
Approx. 65 sec. (with C-60 cassette)
Bias frequency 105 kHz
Signal-to-noise ratio (NAB, at peak level)
Cassette
Do
"B-TYPE ON | C-TYPE ON
TYPE IV (Sony METALLIC)
TYPE Ill (Sony FeCr)
TYPE II (Sony UCX)
| TYPE | (Sony BHF)
* Total harmonic distortion
0.7 % (with Sony METALLIC and FeCr
cassettes)
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY SHADING AND MARK
A ON THE SCHEMATIC DIAGRAMS AND IN THE
PARTS LIST ARE CRITICAL TG SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS
WHOSE PART NUMBERS APPEAR AS SHOWN iN THIS
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY,
MICROFILM
SPECIFICATIONS
Frequency response
Wow and flutter
Inputs
DOLBY NR OFF
¢ With TYPE IV cassette (Sony METALLIC)
10 - 20,000 Hz
15 - 19,000 Hz (+3 dB)
15 - 14,000 Hz (+3 dB, 0 VU recording)
15 - 19,000 Hz (DIN)
e With TYPE Ill cassette (Sony FeCr)
10 - 20,000 Hz
15 - 19,000 Hz (+3 dB)
15 - 19,000 Hz (DIN)
¢ With TYPE II cassette (Sony UCX)
10 - 20,000°Hz
15 - 18,000 Hz (+3 dB)
15 - 18,000 Hz (DIN)
e With TYPE | cassette (Sony BHF)
10 - 19,000 Hz
15 - 17,000 Hz (DIN)
0.02% WRMS (NAB)
+0.055% (DIN)
Line inputs (phono jacks)
Sensitivity 77.5 mV (-20 dB)
Input impedance 50 k ohms
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SERVICE MANUAL