Sony xm 1805 sx service manual

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XNI-15058X/18056X

SERVICE MANUAL

Ver 1.1 2001.06

US Model
Canadian Model

XM-15058X/18056X

E Model

XM-15058X

Photo: XM-1SOSGX

SPECIFICATIONS

AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC DISTORTION

40 watts/150 watts per channel minimum continuous average power into
4 ohms, Schannels driven from 50 Hz (ISOSSX), 20 Hz (1805GX) to
20 kHz/20 Hz to 300 Hz (Subwoofer) 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

Outputs Speaker terminals
Through out pin jacks

Speaker impedance 2 e 8 ll (stereo)
4 e 8 £2 (when used as a bridging amplifier)
1.3 e 8 (2 (only t'or subwoot'er output) (XMe1805GX)

Maximum outputs 80 watts X 4 + 300 watts x 1 (at 4 (2)
Rated outputs (supply voltage at 14.4 V)
5 Speakers: 15OSSX:

40 watts x 4 (50 Hz 7 20 kHz. 0.04%
THD, at4 $2) + 150 watts ><1(207
300 Hz. 0.04% THD. at 4 $2)
60 watts X 4 (50 Hz 7 20 kHz. 0.1%
THD, at 2 o) + 180 watts ><1(207
300 Hz. 0.1% THD. at 2 ll)
ISOSGX:
40 watts X 4 (Front: 50 Hz 7 20 kHz,
Rear: 20 Hz 7 20 kHz. 0.04% THD. at
4 ll)+15o watts x l (20 e 300 Hz.
0.04% THD, at 4 Q)
50 watts X 4 (Front: 50 Hz 7 20 kHz.
Rear: 20 Hz 7 20 kHz. 0.1% THD, at
2 ll)+1so watts x l (20 e 300 Hz.
0.1% THD. at 2 t2)

3 Speakers: 120 watts x 2 (50 Hze 20 kHz. 0.1%
THD, at4 o) + 150 watts ><1(207
300 Hz. 0.04% THD. at 4 ti)

9-870-240-12 Sony Corporation
2001FO400-1 e Vehicle Company

© 2001.6 Shinagawa Tet: Service Manual Production Group

Frequency response 5 Hz 7 50 kHz (:9 dB)
Harmonic distortion 0.005% or less (at 1 kHz. 4 ti)
input level adjustment range

0.2 76.0 v (RCA pin jacks)
Highepass filter 50 e 300 Hz. 712 dB/oct
Lowepass tilter 50 e 300 Hz. 712 dB/oct
Phase shitt adjustment range (XMeISOSGX)

0° 7 180° (at 40 Hz) (only for Subwoofer output)
Power requirements 12 v DC car battery

(negative ground)
Power supply voltage 10.5 e 15 v

Cut-tent drain at rated output : 42 A
Remote input : 1.0 mA
Dimensions Approx. 358 x 50 x 254 mm

(wlhld)(141/x >< 21/4 x 10 Hz in.) not incl.
projecting parts and controls
Mass Approx. 3.5 kg (7 lb. ll oz.) not incl. accessories
Supplied accessories Mounting screws (4)

Design and specified/[om are subjec/ [0 change wilhrml
Ila/Ice.

STEREO POWER AMPLIFIER
S ONY®

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TABLE OF CONTENTS

1. SERVICE NOTE ................................................................. 2
2. GENERAL

Location and Function of Controls .......................................... 3

Connections ............................................................................. 4
3. DISASSEMBLY
3-1. Plate, Bottom ........ 6
3-2. Amp Board Section 6
3-3. Amp Board, HPF Board, LPF Board. 7
3-4. LED Board ..................................... 7
4. ELECTRICAL ADJUSTMENT ...................................... 8
5. DIAGRAMS
5-1. Block Diagram ..................................................................... 9
5-2. Printed Wiring Board iAmp Sectioni .. . 11
5-3. Schematic Diagram iAmp Section (1/2)- . 12
5-4. Schematic Diagram iAmp Section (2/2)- . 13
5-5. Printed Wiring Boards 7HPF, LPF, LED Section . 14
5-6. Schematic Diagram iHPF, LPE LED Section- . . 15
6. EXPLODED VIEWS
6-1. Heat Sink (Main) Section .................................................. 16
6-2. Amp Board Section ........................................................... 16
7. ELECTRICAL PARTS LIST ......................................... 17

SECTION 1
SERVICE NOTE

NOTE FOR REPLACEMENT OF 0510 AND 0512

When replacing 0510 and 0512, remove C937 and then remove
the screw securing the heat sink (retainer plate).

heat sink (retainer plate)

Notes on Chip Component Replacement

' Never reuse a disconnected chip component.

0 Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.