Sony TC-KA1ESA Service Manual

SERVICE MANUAL US Model
TC-KA1ESA/KE500S
Canadian Model
TC-KA1TESA
AEP Model
| UK Model
Australian Model
E Model
TC-KE500S
Photo : TC-KE500S
* Dolby noise reduction and HX Pro headroom extension
manufactured under license from Dolby Laboratories Licensing
Corporation. HX Pro originated by Bang & Olufsen.
Model Name Using Similar Mechanism
Tape Transport Mechanism Type TCM-190VB14
"DOLBY", the double-D symbol OO and "HX PRO" are trademarks
of Dolby Laboratories Licensing Corporation.
SPECIFICATIONS
System S/N ratio improvement (approximate values)
With Dolby B NR on: 5 dB at 1 kHz, 10 dB at 5 kHz
Recording system With Dolby C NR on: 15 dB at 500 Hz, 20 dB at 1 kHz
4-track 2-channel stereo With Dolby S NR on: 10 dB at 100 Hz, 24 dB at 1 kHz
Fast winding time (approx.)
90 sec. (with Sony C-60 cassette) Harmonic distortion
0.4% (with Type I tape, Sony Type | (NORMAL):
High-speed fast-winding time (approx.) 160n Wb/m 315 Hz, 3rd H.D.)
45 sec. (with Sony C-60 cassette) 1.5% (with Type IV tape, Sony Type IV (METAL):
250n Wb/m 315 Hz, 3rd H.D.)
Bias
AC bias
Frequency response (Dolby NR off)
Heads Type I tape, Sony Type I (NORMAL):
Erasing head x 1 (S&F head) , 20 - 17,000 Hz (+3 dB, IEC)
Recording head x 1 (SD head) 15 - 18,000 Hz (+6 dB)
Playing head x 1 (SD head) Type Il tape, Sony Type I (HIGH):
20 - 18,000 Hz (+3 dB, IEC)
Motors 15 - 19,000 Hz (+6 dB)
Type IV tape, Sony Type IV (METAL):
20 - 19,000 Hz (+3 dB, IEC)
20 - 16,000 Hz (+3 dB, -4dB recording)
15 - 21,000 Hz (+6 dB)
Capstan motor x 1 (DC servo motor)
Reel motor x 1 (DC motor)
Signal-to-noise ratio (at peak level, weighted, and with Dolby NR off)
Type I tape, Sony Type I (NORMAL): 57 dB
Type Il tape, Sony Type II (HIGH): 59 dB
Type [V tape, Sony Type IV (METAL): 61 dB
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STEREO CASSETTE DECK
ONY.