SONY STR DE135 Service Manual
STR-DE135
SERVICE MANUAL
Photo: US model
SPECIFICATIONS
Audio power specifications (US model)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
With 8-ohm load, both channels driven, from 20 – 20,000 Hz,
rated 100 watts per channel minimum RMS power, with no
more than 0.09 % total harmonic distortion from 250 milliwatts to rated output.
Amplifier section
Stereo mode (8 ohms at 20 Hz – 20 kHz less than
Frequency response TV/SAT, CD, MD/TAPE, VIDEO
Inputs
Sensitivity Impedance S/N
CD,
MD/TAPE,
TV/SAT, kilohms
VIDEO
CD,
MD/TAPE,
TV/LD, kilohms
VIDEO
outputs MD/TAPE REC OUT:
150 mV
Sensitivity Impedance S/N
150 mV
0.09 % total harmonic distortion)
100 W + 100 W (US model)
(DIN 1 kHz, 4 ohms)
60 W + 60 W (AEP, UK models)
TV/LD, CD, MD/TAPE, VIDEO
10 Hz – 50 Hz ± 1 dB
50
50
Voltage: 150 mV,
impedance: 10 kilohms
VIDEO AUDIO OUT:
Voltage: 150 mV,
impedance: 10 kilohms
PHONES: Accepts low and high
impedance headphones
(US model)
(AEP, UK models)
78 dB
(US model)
78 dB
(AEP, UK models)
US Model
AEP Model
UK Model
Muting Full mute
BASS BOOST + 10 dB at 70 Hz
TONE ± 8 dB at 100 Hz and 10 kHz
Tuner Section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range 87.5 – 108.0 MHz
Antenna terminals 75 ohms, unbalanced
Intermediate frequency 10.7 MHz
Sensitivity Mono: 18.3 dBf, 4.5 µV
Usable sensitivity 11.2 dBf, 2 µV (IHF) (US model)
S/N Mono: 76 dB
Harmonic distortion at 1 kHz Mono: 0.3 %
Separation 45 dB at 1kHz
Frequency response 30 Hz – 15 kHz dB
Selectivity 60 dB at 400 kHz
AM tuner section
Tuning range 10 kHz interval*
Stereo: 38.3 dBf, 45 µV (US model)
Mono: 18.3 dBf, 2.2 µV/75 ohms
Stereo: 38.3 dBf, 22.5 µV/75 ohms
11.2 dBf, 1 µV/75 ohms (IHF)
Stereo: 70 dB
Stereo: 0.5 %
530 – 1710 kHz
9 kHz interval
531 – 1710 kHz (US model)
531 – 1602 kHz (AEP, UK models)
– Continued on next page –
(AEP, UK models)
(AEP, UK models)
+0.5
–2
FM STEREO/FM-AM-RECEIVER
MICROFILM
5-3. SCHEMATIC DIAGRAM – MAIN Board (1/2) – • See page 10 for Waveform. • See page 21 for IC Block Diagrams.
(Page 20)
STR-DE135
(Page
25)
(Page
25)
(Page
25)
– 13 –
(Page 19)
The components identified by mark ! or dotted
line with mark ! are critical for safety.
Replace only with part number specified.
– 14 –
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