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1
SERVICE MANUAL
US Model
Canadian Model
XM-1600GSD
MONAURAL POWER AMPLIFIER
Other Specifications
Circuit system
OTL (output transformerless) circuit
Pulse power supply
Inputs
RCA pin jacks
High level input connector
Outputs
Speaker terminals
Through out pin jacks
Speaker impedance
1 ­ 8
Maximum outputs
600 W (at 4
)
1200 W (at 2
)
Rated outputs (supply voltage at 14.4 V)
300 W (20 Hz ­ 300 Hz, 0.2% THD, at 4
)
600 W (20 Hz ­ 300 Hz, 0.6% THD, at 2
)
1000 W (20 Hz ­ 300 Hz, 1.2% THD, at 1
)
Frequency response
5 Hz ­ 300 Hz (
dB)
Harmonic distortion
0.06% or less (at 100 Hz, 4
)
Input level adjustment range
0.2 ­ 6.0 V (RCA pin jacks)
0.4 ­ 12.0 V (High level input)
Low-pass filter
50 ­ 300 Hz, ­18 dB/oct
Low boost
0 ­ 10 dB (40 Hz)
Power supply voltage
10.5 ­ 16 V
Current drain
at rated output : 40 A (4
)
Remote input : 2 mA
Dimensions
Approx. 358
× 50 × 264 mm (w/h/d)
(14 1/8
× 2 × 10 1/2 in.) not incl.
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.
SPECIFICATIONS
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
300 watts minimum continuous average power into 4 ohms, 20 Hz to
300 Hz with no more than 0.2% total harmonic distortion per Car
Audio Ad Hoc Committee standards.
+0.5
­3
Ver 1.0 2002. 01
9-873-465-01
2002A0400-1
© 2002. 1
Sony Corporation
e Vehicle Company
Published by Sony Engineering Corporation
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.


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TABLE OF CONTENTS
1. GENERAL
Features ................................................................................... 3
Location and Function of Controls .......................................... 3
Instllation ................................................................................. 3
Connections ............................................................................. 4
2. DISASSEMBLY
2-1. Bottom Plate ........................................................................ 6
2-2. Main Board Section ............................................................ 6
2-3. Main Board ......................................................................... 7
2-4. LED Board .......................................................................... 7
3. DIAGRAMS
3-1. Block Diagram .................................................................... 9
3-2. Printed Wiring Board ­Main Section­ .............................. 10
3-3. Schematic Diagram ­Main Section (1/2)­ ........................ 11
3-4. Schematic Diagram ­Main Section (2/2)­ ........................ 12
4. EXPLODED VIEWS
4-1. Heat Sink (Main) Section .................................................. 15
4-2. Main Board Section .......................................................... 16
5. ELECTRICAL PARTS LIST ........................................ 17
XM-1600GSD


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XM-1600GSD
SECTION 1
GENERAL
This section is extracted
from instruction manual.


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4
XM-1600GSD


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XM-1600GSD