SERVICE MANUAL
Sony Corporation
Audio Group
Published by Sony Engineering Corporation
US Model
Canadian Model
AEP Model
UK Model
E Model
ACTIVE SUBWOOFER
9-879-144-01
2004H1678-1
© 2004.08
Ver 1.0 2004.08
SPECIFICATIONS
SA-WSLF1
• SA-WSLF1 is amplifier/subwoofer and tuner
system in DAV-LF1.
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND
TOTAL HARMONIC
DISTORTION: With 4 ohm loads, both
channels driven, from
200 – 20,000 Hz; rated
65 watts per channel
minimum RMS power,
with no more than 0.7 %
total harmonic distortion
from 250 milli watts to
rated output.
Amplifier section
Stereo mode (rated) 86 W + 86 W (4 ohms at
1 kHz, THD 10 %)
Surround mode Front:
86
W (each)
(reference) (with SS-TSLF1)
music power output Center*:
86
W
(with SS-CTLF1)
Surround (R)*:
86
W
(with SS-TSLF1W)
Surround (L):
86
W
(with SA-TSLF1)
Subwoofer*:
85
W × 2
(with SA-WSLF1)
*Depending on the sound field settings and the source,
there may be no sound output.
Inputs VIDEO/TV/SAT:
Sensitivity: 300 mV
Impedance: 50 kilohms
Phones Accepts low-and high-
impedance headphones.
Tuner section
System PLL quartz-locked digital
synthesizer system
FM tuner section
Tuning range 87.5 – 108.0 MHz (50 kHz
step)
Antenna (aerial) FM wire antenna (aerial)
Antenna (aerial) terminals
75 ohms, unbalanced
Intermediate frequency 10.7 MHz
AM tuner section
Tuning range
Middle Easten models: 531 – 1,602 kHz (with the
interval set at 9 kHz)
Other models: 531 – 1,602 kHz (with the
interval set at 9 kHz)
530 – 1,710 kHz (with the
interval set at 10 kHz)
Antenna (aerial) AM loop antenna (aerial)
Intermediate frequency 450 kHz
Video section
Outputs Video: Vp-p 75 ohms
S video:
Y: 1 Vp-p 75 ohms
C: 0.286 Vp-p 75 ohms
COMPONENT:
Y: 1 Vp-p 75 ohms
P
B
/C
B
, P
R
/C
R
: 0.7 Vp-p
75 ohms
Inputs
Video: 1 Vp-p 75 ohms
Subwoofer
Speaker system Bass reflex
Speaker unit 180 mm (7
1
/
8
inches)
dia. cone type
Rated impedance 4 ohms × 2
Dimensions (approx.) 241 × 606 × 241 mm
(9
1
/
2
× 23
7
/
8
9 ×
1
/
2
inches) (w/h/d)
Mass (approx.) 14 kg (30 lb 14 oz)
Power requirements
North American and
Mexican models: 120 V AC, 60 Hz
Taiwan model: 120 V AC, 50/60 Hz
Other models: 220-240 V AC, 50/60 Hz
Power consumption 120 W
0.3 W (at the Power
Saving mode)
Design and specifications are subject to change
without notice.
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