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SERVICE MANUAL
US Model
Canadian Model
AEP Model
UK Model
E Model
XM-754SX
STEREO POWER AMPLIFIER
Other Specifications
Circuit system
OTL (output transformerless) circuit
Pulse power supply
Inputs
RCA pin jacks
High level input connector
Outputs
Speaker terminals
Speaker impedance
2 8
(stereo)
4 8
(when used as a bridging amplifier)
Maximum outputs
Four speakers: 170 W
× 4 (at 4 )
Three speakers: 170 W
× 2 + 400 W × 1 (at 4 )
Two speakers: 400 W
× 2 (at 4 )
Rated outputs (supply voltage at 14.4 V)
Four speakers:
75 W
× 4 (20 Hz 20 kHz, 0.04% THD, at 4 )
100 W
× 4 (20 Hz 20 kHz, 0.1% THD, at 2 )
Two speakers:
200 W
× 2 (20 Hz 20 kHz, 0.1% THD, at 4 )
Frequency response
5 Hz 100 kHz (
dB)
Harmonic distortion
0.005% or less (at 1 kHz, 4
)
Input level adjustment range
0.2 6.0 V (RCA pin jacks)
0.4 12.0 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
Current drain
at rated output : 40 A (4
)
Remote input : 1.5 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 (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.
+0.5
3
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.
Ver 1.3 2002. 07
Sony Corporation
e Vehicle Company
Published by Sony Engineering Corporation
9-873-503-13
2002G0400-1
© 2002. 07
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TABLE OF CONTENTS
1. GENERAL
Location and Function of Controls .......................................... 3
Connections ............................................................................. 4
2. DISASSEMBLY
2-1. Plate, Bottom ....................................................................... 6
2-2. Main Board Section ............................................................. 6
2-3. Main Board, Filter (F) Board, Filter (R) Board ................... 7
2-4. LED Board ........................................................................... 7
3. ELECTRICAL ADJUSTMENT ...................................... 8
4. DIAGRAMS
4-1. Block Diagram ..................................................................... 9
4-2. Printed Wiring Board Main Section .............................. 11
4-3. Schematic Diagram Main Section (1/2) ........................ 12
4-4. Schematic Diagram Main Section (2/2) ........................ 13
4-5. Schematic Diagram Filter (F), Filter (R),
LED Section .................................................................... 14
4-6. Printed Wiring Boards Filter (F), Filter (R),
LED Section .................................................................... 15
5. EXPLODED VIEWS
5-1. Heat Sink (Main) Section .................................................. 17
5-2. Main Board Section ........................................................... 18
6. ELECTRICAL PARTS LIST ........................................ 19
XM-754SX
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE
WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY.
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!!
LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE 0 SUR LES
DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES
SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT.
NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES
SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL
OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
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XM-754SX
SECTION 1
GENERAL
This section is extracted
from instruction manual.
4
XM-754SX
5
XM-754SX