Sony xm 504 z service manual

Page 1

XIII-5042

SERVICE MANUAL us Model

Canadian Model

Ver 1.0 2004.01 AEP Model
UK Model
E Model

SPECIFICATIONS

AUDIO POWER SPECIFICATIONS (US model)

POWER OUTPUT AND TOTAL HARMONIC DISTORTION

50 watts per channel minimum cominuous average power into 4 ohms,
both channels driven from 20 Hz to 20 kHz with no more than 0.04% tolal
harmonic dislonion per Car Audio Ad Hoc Committee standards.

Other Specifications

Circuu sysiem OTL (ourpur iransrormerless) circuii
Pulse power supply
Illpllls RCA pm jacks

High level lnplll connecior
Illplll level adjuslmenl range

0.3 , o v (RCA pin jacks).

0.6 , 12 v (High level inpul)
oiupius speaker ierminals
Speaker impedance 2 , s 9. (stereo)

4 , s 9. (when used as a bridging amplifier)
Maximum oulpuis Four speakers: 100 w x 4 (or 4 52)

Three speakers: 100 w x 2 + 250 w x l (ai 4 £2)
Raled ouipuls (supply volmge al 144 V)

Four speakers;

50 w x 4 (20 Hz , 20 kl-lz. 0.04% Tl-lD. al 4 o;

oow x 4 (20 H2720 kl-lz. 0.1% 11-113. ai 2 9)
Frequency response 5 Hz , 30 kHz (1? dB)
Harmonic disionion 0.005% or less (at 1 kHz, 4 s2. 10 W)

Lowspass filler so Hz, 718 dB/ocl

Highspass filler so 142,712 dB/ocl

Power requiremenls 12 v DC car ballery (negaiive ground)

Power supply voltage 10.5 , lo V

Currem drain al raled oulpul : 30 A (4 g, 50 w x 4)
Remoie inpui ; 1 mA

Dimensions Approx. 350 x 55 x 233 min

(13 m x 2 H4 x 9 m in.) (w/li/d)
not incl, projecimg pans and comrols
Mass Approx. 3.1 kg (61b. 14 02.) um incl. accessories
Supplied accessories Mounting. screws (4)
High level inpm cord (1)
Prolecnon cap (1)

Design and xpm lL'tilillllJ are cub/mi I0 Lining? wiilmm
notice.

STEREO POWER AMPLIFIER
9-877-562-01 Sony Corporation S O N Y
2004A04-1 e Vehicle Company
© 2004. 01 Published by Sony Engineering Corporation ®

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XM-504Z

PROTECTOR OPERATION CHECK

Thermal Protect

1. Short across TH901 with the power on.

2. Verify that the protector is operated and LED901 illuminates
red.

3. Verify that the protector is released and LED901 illuminates green
when the short is removed.

4. Likewise, perform items 1 to 3 for TH902 and TH903.

Over Current Protect

1. Short between the positive and negative sides of the speaker
output terminal CN903 and CN904 (1/2) with the power on.
(Perform this shorting for each channel on FRONT and REAR.)

2. Verify that the protector is operated and LED901 illuminates
red.

3. Verify that the protector is not released and LED901 remains
red even when the short is removed.

4. Verify that the protector is released and LED901 illuminates green
when the power is turned off and then on again.

Offset Protect

1. Short between the +12V terminal of CN904 (2/2) and the BTL+
or BTIr of the speaker output tem1inal CN903 and CN904 (1/
2).
(Short between +12V terminal and BTL+ and between +12V
terminal and 311-.)

2. Verify that the protector is operated and LED901 illuminates
red.

3. Verify that the protector is not released and LED901 remains
red even when the short is removed.

4. Verify that the protector is released and LED901 illuminates green
when the power is turned off and then on again.

TABLE OF CONTENTS

1. GENERAL

Connections ............................................................................. 3

2. DISASSEMBLY
2-1. Bottom Plate ........................................................................ 5
2-2. Main Board Section 6
2-3. Main Board ..........

3. DIAGRAMS

3-1. 1C Block Diagram
3-2. Printed Wiring Board .
3-3. Schematic Diagram iAmp Section- ..
3-4. Schematic Diagram -Power Section-

0000\1

4. EXPLODED VIEWS
4-1. Heat Sink (Main) Section .................................................. 11
4-2. Main Board Section .......................................................... 12

5. ELECTRICAL PARTS LIST ........................................ 13

Notes on Chip Component Replacement

' Never reuse a disconnected chip component.

' Notice that the minus side ofa tantalum capacitor may be dam-
aged by heat.

SAFETY-RELATED COMPONENT WARNING !I

COMPONENTS IDENTIFIED BY MARK A OR DOTTED LINE
WITH MARK A 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.

ATI'ENTION AU COMPOSANT AYANT RAPPORT
A LA SECURITE!!

LES COMPOSANTS IDENTIFIES PAR UNE MARQUE A SUR LES
DIAGRAMMES SCHEMATIOUES ET LA LISTE DES PIECES SONT
CRITIQUES POUR LA SECURITE DE FONCTIONNEMENT. NE
REMPLACER CES COMPOSANTS QUE PAR DES PIECES SONY
DONT LES NUMEROS SONT DONNES DANS CE MANUEL 0U
DANS LES SUPPLEMENTS PUBLIES PAR SONY.