Sony TA-FB940R - Manual (Page 10)

Additional Information
10
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.
/ Turn INPUT SELECTOR to the appropriate programme
source.
/ Make sure the speaker wires are correctly connected to
the SPEAKERS A terminals (on the bottom row) and
SPEAKERS B terminals (on the top row).
/ Make sure the proper selection is made on the
SPEAKERS control (A, B, A+B, or OFF).
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.
/ 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.
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 PROTECTION indicator lights up and/or sudden loss
of audio.
/ Check if a short-circuit has occurred. Turn off the
amplifier and check the connected components and
speakers.
Specifications
Amplifier section
DIN power output
TA-FB940R: 95 W + 95 W (4 ohms at 1 kHz)
60 W + 60 W (8 ohms at 1 kHz)
TA-FB740R: 70 W + 70 W (4 ohms at 1 kHz)
50 W + 50 W (8 ohms at 1 kHz)
Total harmonic distortion
Less than 0.008% (at 10 W output 1 kHz)
Frequency response
PHONO (20 Hz - 20 kHz): RIAA equalization curve
±0.5 dB
TUNER, SACD/CD, AUX, TAPE1/DAT, TAPE2/MD:
7 Hz - 300 kHz
+0
–3
dB
S/N (network A)
PHONO
TA-FB940R: 94 dB
TA-FB740R: 90 dB
TUNER, SACD/CD, AUX, TAPE1/DAT, TAPE2/MD:
105 dB
Output voltage/impedance
REC OUT 1, 2: 150 mV, 1 kilohm
PHONES: 10 mW (at 8 ohms)
Speakers impedance
4 - 16 ohms, 8 - 16 ohms (SPEAKERS A+B)
Damping factor
500 (8 ohms, 1 kHz)
General
System
Power amplifier: Pure-complementary SEPP OCL
power amplifier with all stages directly coupled
Preamplifier: Low-noise, equalizer amplifier
Power requirements
230 V AC, 50/60 Hz
Power consumption
TA-FB940R: 210 W
TA-FB740R: 180 W
Dimensions (approx.) (w/h/d)
TA-FB940R: 430 Ч 150 Ч 420 mm
TA-FB740R: 430 Ч 150 Ч 420 mm
incl. projecting parts and controls
Mass (approx.)
TA-FB940R: 10.3 kg
TA-FB740R: 8.6 kg
Supplied accessories
See page 3.
Design and specifications are subject to change without
notice.