SERVICE MANUAL
STEREO CASSETTE DECK
AEP Model
TC-KE240/RE340
UK Model
TC-KE240
E Model
Australian Model
TC-RE340
SPECIFICATIONS
TC-KE240/RE340
Photo: TC-RE340 (Black type)
Dolby noise reduction and HX Pro headroom ex-
tension manufactured under license from Dolby
Laboratories Licensing Corporation.
HX Pro originated by Bang & Olufsen.
“DOLBY”, the double-D symbol ;, and “HX PRO”
are trademarks of Dolby Laboratories Licensing Cor-
poration.
Model Name Using Similar Mechanism NEW
Tape Transport Mechanism Type
KE240 TCM-230ASV1
RE340 TCM-230ASR4N
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System
Recording system
4-track 2-channel stereo
Fast-winding time (approx.)
100 sec. (with Sony C-60 cassette)
Bias
AC bias
Signal-to-noise ratio (at peak level and weighted with Dolby
NR off)
Type I tape, Sony Type I (NORMAL): 55 dB
Type II tape, Sony Type II (HIGH): 57 dB
Type IV tape, Sony Type IV (METAL): 58 dB
S/N ratio improvement (approximate values)
With Dolby B NR on: 5 dB at 1 kHz, 10 dB at 5 kHz
With Dolby C NR on: 15 dB at 500 Hz, 20 dB at 1 kHz
Harmonic distortion
0.4% (with Type I tape, Sony Type I (NORMAL):
160 nWb/m 315 Hz, 3rd H.D.)
1.8% (with Type IV tape, Sony Type IV (METAL):
250 nWb/m 315 Hz, 3rd H.D.)
Type I tape, Sony Type I
(NORMAL)
30 – 15,000 Hz (±3 dB, IEC),
20 – 16,000 Hz (±6 dB)
Type II tape, Sony Type II
(HIGH)
30 – 16,000 Hz (±3 dB, IEC),
20 – 17,000 Hz (±6 dB)
Type IV tape, Sony Type IV
(METAL)
30 – 18,000 Hz (±3 dB, IEC),
20 – 19,000 Hz (±6 dB),
30 – 13,000 Hz (±3 dB, –4 dB
recording)
Frequency response (Dolby NR off)
Tape type
Inputs
Line inputs (phono jacks)
Sensitivity: 0.16 V
Input impedance: 47 kilohms
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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