Sony XM-4S Service Manual

SERVICE MANUAL

Ver. 1.0 2006. 11
Sony Corporation
9-887-489-01
2006K04-1 eVehicle Division
© 2006. 11 Published by Sony Techno Create Corporation
SPECIFICATIONS
AUDIO POWER SPECIFICATIONS (US model)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
50 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
Input level adjustment range
0.3 – 6 V (RCA pin jacks),
1.2 – 12 V (High level input)
Outputs Speaker terminals
Speaker impedance 2 – 8 Ω (stereo)
4 – 8 Ω (when used as a bridging amplifier)
Maximum output 4 speakers: 95 W × 4 (at 4 Ω)
3 speakers: 95 W × 2 + 250 W × 1 (at 4 Ω)
Rated output (supply voltage at 14.4 V)
4 speakers:
50 W × 4 (20 Hz – 20 kHz, 0.04% THD, at 4 Ω)
60 W × 4 (20 Hz – 20 kHz, 0.1% THD, at 2 Ω)
Frequency response 5 Hz – 100 kHz (
Harmonic distortion 0.005% or less (at 1 kHz, 4 Ω, 10 W)
Low-pass filter 80 Hz, –18 dB/oct
High-pass filter 80 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
Current drain at rated output : 27 A (4 Ω, 50 W × 4)
Remote input : 1 mA
Dimensions Approx. 223 × 43.5 × 196 mm
× 1 × 7
(8
7/8 3/4
not incl. projecting parts and controls
Mass Approx. 2.2 kg (4 lb 14 oz) not incl. accessories
Supplied accessories Mounting screws (4)
High level input cord (1)
Design and specifications are subject to change without
notice.
XM-4S
+0
dB)
–3
in.) (w/h/d)
3/4
STEREO POWER AMPLIFIER
US Model
Canadian Model
AEP Model
UK Model
E Model
1