Sony XM-475GSX Service Manual

SERVICE MANUAL
Ver 1.2 2002. 07
AUDIO POWER SPECIFICATIONS (US MODEL)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
75 watts per channel minimum continuous average power into
4 ohms, both channels driven from 20 Hz to 20 kHz with no more
than 0.04% total harmonic distortion per Car Audio Ad Hoc
Committee standards.
Other Specifications
Circuit system OTL (output transformerless) circuit
Pulse power supply
Inputs RCA pin jacks
High level input connector
Outputs Speaker terminals
2 – 8 Ω (stereo)
Speaker impedance
4 – 8 Ω (when used as a bridging amplifier)
Four speakers: 170 W × 4 (at 4 Ω)
Maximum outputs
Three speakers: 170 W × 2 + 400 W × 1 (at 4 Ω)
Two speakers: 400 W × 2 (at 4 Ω)
Rated outputs (supply voltage at 14.4 V)
Four speakers:
75 W × 4 (20 Hz – 20 kHz, 0.04% THD, at 4 Ω)
100 W × 4 (20 Hz – 20 kHz, 0.1% THD, at 2 Ω)
Two speakers:
200 W × 2 (20 Hz – 20 kHz, 0.1% THD, at 4 Ω)
Frequency response 5 Hz – 50 kHz (
Harmonic distortion 0.005% or less (at 1 kHz)
Sony Corporation
9-873-435-03
2002G0400-1 e Vehicle Company
© 2002. 07 Published by Sony Engineering Corporation
XM-475GSX
SPECIFICATIONS
+0.5
dB)
–3
Input level adjustment range
0.2 – 6.0 V (RCA pin jacks)
0.4 – 12 V (High level input)
High-pass filter 50 – 300 Hz, –12 dB/oct
Low-pass filter 50 – 300 Hz, –12 dB/oct
Low boost 0 – 10 dB (40 Hz)
Power requirements 12 V DC car battery
(negative ground)
Power supply voltage 10.5 – 16 V
at rated output : 40 A (4 Ω)
Current drain
Remote input : 1.5 mA
Approx. 358 × 50 × 264 mm
Dimensions
(w/h/d) (14
1/8
projecting parts and controls
Mass Approx. 3.5 kg (7 lb. 11 oz.) not incl. accessories
Supplied accessories Mounting screws (4)
Design and specifications are subject to change without
notice.
Notes on Chip Component Replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be
damaged by heat.
STEREO POWER AMPLIFIER
US Model
Canadian Model
× 2 × 10
in.) not incl.
1/2
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