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Sony STR-S255 Service Manual
Sony STR-S255 Service Manual

Sony STR-S255 Service Manual

Fm stereo/fm-am receiver

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SERVICE MANUAL
SPECIFICATIONS
Amplifier section
Continuous
RMS
power output
60W + 6O0W
(kHz, 5% THD, 8 ohms)
Inputs
50 kilohms
50 kilonms
50 kilonms
Outputs
| SPEAKER
Accepts speakers of 8 to 16 ohms
Accepts headphones with low and
HEADPHONES
high impedance
Frequency response
PHONO: RIAA curve +0.5 dB
TUNERI/CD/VIDEO: 10Hz — 100kHz +3 dB
| TT Tt |
Baeae
aa
MICROFILM
FM tuner section
Frequency range
87.5 MHz — 108.0 MHz
Antenna terminals75 ohms unbalanced
Intermediate frequency
10.7 MHz
Sensitivity at 46 dB quieting
39.5 dBf, 25 wV (stereo)
19.5 dBf, 2.5 nV (mono)
Usable sensitivity
14.8 dBf, 1.5 uV (IHF)
Signal-to-noise ratio
75 dB (stereo)
80 dB (mono)
— Continued on page 2 —
FM STEREO/FM-AM RECEIVER
SONY.

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