Sony XM-504Z Service Manual

1
SERVICE MANUAL
US Model
Canadian Model
AEP Model
UK Model
E Model
XM-504Z
STEREO POWER AMPLIFIER
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),
0.6 – 12 V (High level input)
Outputs Speaker terminals
Speaker impedance 2 – 8 Ω (stereo)
4 – 8 Ω (when used as a bridging amplifier)
Maximum outputs Four speakers: 100 W × 4 (at 4 Ω)
Three speakers: 100 W × 2 + 250 W × 1 (at 4 Ω)
Rated outputs (supply voltage at 14.4 V)
Four 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 – 80 kHz ( dB)
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
Power requirements 12 V DC car battery (negative ground)
Power supply voltage 10.5 – 16 V
Current drain at rated output : 30 A (4 Ω, 50 W × 4)
Remote input : 1 mA
Dimensions Approx. 350 × 55 × 233 mm
(13 7/8 × 2 1/4 × 9 1/4 in.) (w/h/d)
not incl. projecting parts and controls
Mass Approx. 3.1 kg (6 lb. 14 oz.) not incl. accessories
Supplied accessories Mounting screws (4)
High level input cord (1)
Protection cap (1)
Design and specifications are subject to change without
notice.
SPECIFICATIONS
+0
–3
Ver 1.0 2004. 01
9-877-562-01
2004A04-1
© 2004. 01
Sony Corporation
e Vehicle Company
Published by Sony Engineering Corporation

Sony XM-504Z Specifications

General

Channels	4
Power Output (4 Ohms)	50W x 4
Power Output (2 Ohms)	75W x 4
Power Output (4 Ohms Bridged)	150W x 2
Signal-to-Noise Ratio	100 dB
Crossover Frequency	50 - 300 Hz

Summary

Specifications

Audio Power Output and Total Harmonic Distortion

Details on minimum continuous average power output and THD.

Other Specifications

Technical details including circuit system, inputs, outputs, and impedance.

Protector Operation Check

Thermal Protection Check

Procedure to verify thermal protection circuit functionality.

Over Current Protection Check

Procedure to verify over-current protection circuit functionality.

Offset Protection Check

Procedure to verify offset protection circuit functionality.

General Information

Unit Connections and Precautions

Guidance on unit connections and essential safety precautions.

Input and Speaker Wiring

Input Connection Methods

Instructions for connecting via high-level or line inputs.

Speaker System Wiring Configurations

Wiring configurations for 4, 3, 2-speaker, and 2-way systems.

Disassembly Procedures

Bottom Plate Removal

Step-by-step instructions for removing the bottom plate.

Main Board Disassembly

Main Board Section Removal

Procedure for disassembling the main board section.

Main Board Removal

Procedure for removing the main board.

Diagrams and Schematics

IC Block Diagram

Functional block diagram of the integrated circuits.

Printed Wiring Board Layout

Diagram showing the layout of components on the main board.

Amplifier Section Schematic

Detailed schematic for the amplifier circuit.

Power Section Schematic

Detailed schematic for the power supply circuit.

Exploded Views

Heat Sink (Main) Section Exploded View

Exploded diagram of the main heat sink assembly.

Main Board Exploded View

Main Board Section Exploded View

Exploded diagram of the main board and related parts.

Electrical Parts List - Capacitors

Capacitors

Comprehensive list of capacitors with part numbers and specifications.

Electrical Parts List - ICs, Diodes, Connectors

ICs, Photo Couplers, Jacks, Connectors

List of integrated circuits, photo couplers, jacks, and connectors.

Diodes and Transistors

List of diodes and transistors with part numbers.

Electrical Parts List - Transistors and Resistors

Transistors (Q102-Q913)

Detailed list of transistors used in the unit.

Resistors (R101-R208)

List of resistors with part numbers and values.

Electrical Parts List - Resistors (Continued)

Resistors (R209-R477)

List of resistors with part numbers and values.

Resistors (R801-R810)

List of resistors with part numbers and values.

Electrical Parts List - Other Components and Accessories

Resistors (R811-R934)

List of resistors with part numbers and values.

Switches, Transformers, Thermistors, Variable Resistors

List of switches, transformers, thermistors, and variable resistors.

Fuses, Accessories, Installation Parts

Lists of fuses, accessories, and installation components.

Revision History

Manual Revision Details

History of revisions made to the service manual.