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Additional Information
Troubleshooting
If you experience any of the following difficulties while
using the amplifier, use this troubleshooting guide to
help you remedy the problem. Should any problem
persist, consult your nearest Sony dealer.
No sound output.
/ Connect the audio connecting cords firmly.
/ Connect the amplifier and other audio components
correctly.
/ Set SPEAKERS to ON (see page 7).
/ Turn INPUT SELECTOR to the appropriate programme
source.
/ Turn the muting function off by pressing MUTING (see
page 7).
No audio from one channel or unbalanced speaker
output.
/ Turn BALANCE to adjust the balance.
/ Check the speaker and input connections of silent
channel.
Weak bass or treble.
/ Adjust the TONE controls.
/ Press CARTRIDGE to select the appropriate cartridge
type (see page 5).
/ Change speaker positions or room conditions to
eliminate obstructions in sound path.
Distorted sound.
/ Improperly selected input signal.
/ Insufficient input capacity of speakers. Lower the
volume.
Lack of bass or ambiguity in instrument positions.
/ Speaker cord and terminal polarity are reversed.
Reconnect the cords with correct polarity.
Hum or noise.
/ Ground the turntable system (see page 5).
/ Connect the audio connecting cords firmly.
/ The amplifier is picking up interference from a TV set.
Move the amplifier away from the TV set or turn the TV
set off.
Cannot record.
/ Turn INPUT SELECTOR to the appropriate programme
source.
The remote does not function.
/ Remove any obstructions between the remote control
sensor on the amplifier and the remote.
/ Point the remote towards the remote sensor on the front
of the amplifier.
/ The remote is too far from the amplifier. Move closer to
the amplifier.
/ Replace the batteries in the remote.
The indicator above the U switch lights up red and
sudden loss of audio.
/ The speaker cords have been shorted. Make sure they
are connected correctly.
Specifications
System
Power Amplifier: Pure-complementary SEPP MOS
FET power amplifier with all stages directly coupled
Preamplifier: Low-noise, high-gain equalizer
amplifier
Power section: Large-capacity power supply
advanced STD
Rated output
4 ohms, 120 W + 120 W (DIN 0.7%)
8 ohms, 80 W + 80 W (DIN 0.7%)
Speakers impedance
4 to 16 ohms
Output bandwidth (8 ohms)
10 Hz to 100 kHz (at 40 W output, and high-frequency
distortion rate of 0.08%)
Total harmonic distortion
0.008% (at 8 ohms, 10 W output)
Damping factor
100 (8 ohms, 1 kHz)
Intermodulation (IM) distortion (60 Hz : 7 kHz = 4 : 1)
0.008% (8 ohms)
Throughrate
125 V/µsec, 250 V/µsec (Inside)
Residual noise
Less than 100 µV (network A)
Equalizer deviation
PHONO MM: 20 Hz to 20 kHz, ±0.5 dB
Frequency response
TUNER, CD, AUX, TAPE 1/DAT, TAPE2/MD: 7 Hz
to 100 kHz
+0
–3
dB
S/N
PHONO MC: 78 dB (network A, 0.5 mV)
MM: 95 dB (network A, 5 mV)
TUNER, CD, AUX, TAPE 1/DAT, TAPE2/MD:
105 dB
Inputs
Input sensitivity and impedance
PHONO MC: 0.17 mV, 100 ohms
MM: 2.5 mV, 50 kilohms
TUNER, CD, AUX, TAPE 1/DAT, TAPE2/MD:
150 mV, 20 kilohms
Maximum input capability (1 kHz)
PHONO MC: 9 mV
MM: 150 mV
Additional Information
Basic Operations