Sony XM-2150-GSX Service manual

XM-2150GSX

SERVICE MANUAL

Ver 1.2 2002. 07

SPECIFICATIONS

AUDIO POWER SPECIFICATIONS

POWER OUTPUT AND TOTAL HARMONIC DISTORTION 150 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.

US Model

Canadian Model

Other Specifications

Circuit system OTL (output transformerless) circuit

Inputs RCA pin jacks

Outputs Speaker terminals

Speaker impedance 2 – 8 Ω (stereo)

Maximum outputs 300 W × 2 (at 4 Ω)

Rated outputs (supply voltage at 14.4 V)

Frequency response 5 Hz – 100 kHz ( dB) Harmonic distortion 0.005% or less (at 1 kHz, 4 Ω) Input level adjustment range

Pulse power supply

High level input connector

Through out pin jacks

4 – 8 Ω (when used as a bridging amplifier)

760 W (monaural) at 4 Ω

150 W × 2 (20 Hz – 20 kHz, 0.04% THD, at 4 Ω) 190 W × 2 (20 Hz – 20 kHz, 0.1% THD, at 2 Ω) 380 W (monaural) (20 Hz – 20 kHz, 0.1% THD, at 4 Ω)

0.2 – 6.0 V (RCA pin jacks)

0.4 – 12.0 V (High level input)

+0.5

–3

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 supply voltage 10.5 – 16 V Current drain at rated output : 40 A (at 4 Ω)

Dimensions Approx. 14

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.

Remote input : 2 mA

1/8 × 2 1/4 × 10 1/2 in.

(358 × 50 × 264 mm) (w/h/d) not incl. projecting parts and controls

9-873-436-03

STEREO POWER AMPLIFIER

Sony Corporation

e Vehicle Company Published by Sony Engineering Corporation

XM-2150GSX

Note for Replacement of FET

Change the both channels of FETs at the output stage. If one or both parts in the following combination is broken, the service kit should be ordered.

Service kit part No. Q108, 112 Q208, 212 Q109, 113 Q209, 213

X-3381-586-1

X-3381-587-1

1. GENERAL

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

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

2. DISASSEMBLY

2-1. Bottom Plate........................................................................ 6

2-2. Main Board ......................................................................... 6

2-3. Front Panel .......................................................................... 7

2-4. Led Board............................................................................ 7

3. ELECTRICAL ADJUSTMENT...................................... 8

4. DIAGRAMS

4-1. Block Diagram .................................................................... 9

4-2. Schematic Diagram –Main Section (1/2)– ........................ 10

4-3. Schematic Diagram –Main Section (2/2)– ........................ 11

4-4. Printed Wiring Boards –Main Section– ............................ 12

5. EXPLODED VIEWS

5-1. Heat Sink Section .............................................................. 14

5-2. Main Board Section .......................................................... 15

6. ELECTRICAL PARTS LIST ........................................ 16

Notes on Chip Component Replacement

• Never reuse a disconnected chip component.

• Notice that the minus side of a tantalum capacitor may be dam-

aged by heat.

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 P ARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

ATTENTION AU COMPOSANT AYANT RAPPORT

LES COMPOSANTS IDENTIFIÉS P AR 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.

À LA SÉCURITÉ!!

SECTION 1

GENERAL

XM-2150GSX

This section is extracted from instruction manual.

XM-2150GSX

SECTION 2

DISASSEMBLY

Note : Follow the disassembly procedure in the numerical order given.

2-1. BOTTOM PLATE

4 P 2.6x2.8

3 BTP 3x6

2 BTP 3x6

1 BTP 3x6

5 bottom plat

7 insulating sheet

2-2. MAIN BOARD

2 BTP 3x6

1 BTP 3x6

3 B.TT. 3x14

4 B.TT. 3x14

5 B.TT. 3x14

7 MAIN board section

8 CN808

2-3. FRONT P ANEL

)

XM-2150GSX

4 MAIN board

2 P 3x8

2-4. LED BOARD

1 P 3x8

3 front panel (2ch)

1 BTP 3x6

2 LED board

heat sink (main

XM-2150GSX

SECTION 3

ELECTRICAL ADJUSTMENT

Bias Adjustment

Note : In Bias Adjustment, adjust RV105 if any of Q108 through

Q113 are replaced. Adjust RV205 if any of Q208 through Q213 are replaced.

Condition :This adjustment should be performed about one minute

after the remote mode is turned on at a room temperature of about 25°C.

Setting :

B+, REM terminal

set

Stabilized

Power supply

Procedure :

1. Turn the variable resistors RV105 (L-CH) and RV205 (R-CH) full clockwise as seen from the component side to minimize the bias current.

2. The input signal is to be no signal.

3. Apply the voltage to the B+ and REM terminals from the stabilized power supply and gradually increase it up to 14.4 V while checking for any unusual current.

4. Adjust each of RV105 (L-CH) and RV205 (R-CH) so that the power current of the stabilized power supply is increased in steps of 500 mA (total of 1 A).

5. After adjustment, check that the power current is at 1.3 to 2.0 A.

GND termina

Adjustment Location : Main board (component side)

– MAIN BOARD (COMPONENT SIDE) –

RV105

BIAS ADJUSTMENT

(L-CH)

RV205

BIAS ADJUSTMENT

(R-CH)

4-1. BLOCK DIAGRAM

CNJ801-1,-3

-1

INPUT

OUTPUT

(THROUGH)

HI LEVEL

INPUT

OUTPUT

(THROUGH)

INPUT

-3

CNJ803

CNJ801-2,-4

-4

-2

IC101(1/2)

3 2

IC201(1/2)

2 3

S301

TEST TONE

PRE AMP

SECTION 4 DIAGRAMS

PRE AMP

IC101(2/2)

6 5

TEST TONE

GENERATOR

IC301

PRE AMP

IC201(2/2)

H.P.F

IC102(2/2)

7 5 7 2 1 6 7

H.P.F

IC202(2/2)

7 5 7 2 1 2 1

D301

D302

+14.2V

(B+)

–14.2V

(B–)

RV801-1

FILTER

RV801-3

FILTER

L.P.F

IC102(1/2)

L.P.F

IC202(1/2)

RV801-2

FILTER

RV801-4

FILTER

L.P.F

IC103(2/2)

L.P.F

IC103(1/2)

S801-1 FILTER

S801-2 FILTER

LPF

OFF

HPF

LPF

OFF

HPF

LOW BOOST

IC104(2/2)

5 6

RV103-1

LOW BOOST (40Hz)

LOW BOOST

IC204(1/2)

RV103-2

LOW BOOST (40Hz)

+14.2V

(B+)

LEVEL SHIFT

Q101

–14.2V

(B–)

+14.2V

(B+)

LEVEL SHIFT

Q201

–14.2V

(B–)

XM-2150GSX

LINE AMP

IC104(1/2)

RV104-1

LEVEL

LINE AMP

IC204(2/2)

RV104-2

LEVEL

LINE SWITCH

CONTROL Q801,802

LINE

SWITCH

Q102

LINE

SWITCH

Q202

DIFFERENTIAL

AMP Q103

DIFFERENTIAL

AMP Q104

DIFFERENTIAL

AMP Q203

DIFFERENTIAL

AMP Q204

DRIVE

AMP Q105

RV105

DRIVE

AMP Q106

DRIVE

AMP Q205

RV205

DRIVE

AMP Q206

BIAS

BIAS Q107

BIAS Q207

POWER

AMP

Q108,112

OVER CURRENT

DET

Q114,116

POWER

AMP

Q109,113

POWER

AMP

Q208,212

OVER CURRENT

DET

Q214,216

POWER

AMP

Q209,213

CN804

CN805

SPEAKER

OUT

SPEAKER

OUT

REM

+12V

GND

+14.2V

(B+)

CN802

CN801

POWER

D808

F901

D809 OVER

CURRENT

D810

OFFSET

Q808

+14.2V

(B+)

D811

THERMAL

D808 D807

LED DRIVE

Q809

POWER ON/OFF

Q903

B+

SWITCH

Q901,902

LED DRIVE

Q813

PROTECT LATCH

Q812

LED DRIVE

Q811

PROTECT LATCH

Q810

DC DET

IC902

TEMP.DET

TH801-803,

806-809,

812,813

DC-DC CONVERTER

IC901

REF. REG

1 2

15 16

DC OFFSET

DET

Q803-805

DC-DC

CONVERTER

TRANSFORMER

T901

Q908

Q909

DET

INVERTER

Q904,905

INVERTER

Q906,907

+20.3V

(B+)

–20.3V

(B–)

DRIVER

HI-CURRENT

/HI-VOLTAGE

IC903,Q912

RECT D909

RECT D905

RECT D907

RECT D906

RECT D908

RECT D910

• Signal path : AUDIO

D921

D920

D919

D922

+53V

(B+)

+51V

(B+)

+53V

(B+)

–51V

(B–)

–51V

(B–)

–53V

(B–)

RECT

D911,917

RECT

D912,918

B+

REG

Q910

B–

REG

Q911

+20.3V

(B+)

+14.2V

(B+)

–14.2V

(B–)

–20.3V

(B–)

XM-2150GSX

Ver 1.1

4-2. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 13 for IC Block Diagram. • Refer to page 13 for Waveform.

CN803

R254

C222

C106

C105

IC103

C113

C114

C115

C214

C215

C213

120 R

R220

118

119

218

219

R111

R211

R114

C110

R112

R214

C210

R212

IC102

R213

IC202

R110

C204

R314

C902

C901

R204

IC101

IC201

C104

R104

R109

C109

R209

C209

C101

R101

C231C221

C131

R105

R205

C205C206

R154

C102

C108

C107

C201

C202

R102

R106

R107

R206C207

R207C208

R202

R201

R203

R103

C103

203 C

C130

R313

C230

IC101

R210

IC201

RV801

R116

R216

R115

R215

R113

IC102

IC202

C111

C211

C112

R117

RV801

IC103

C212

R217

RV801

R812

D808

CN802

CN801

D809

R814

D810

C915

R817R813R818

D811

R819

Q808

C914

F901

L901

CN806CN807

R820

PL801

Q809

C805

R821

R823

Q810

C806

R822

C807

R824

R825

R826

D803

(Page 11)

IC903

C305

S301

R311

R312

R301

R303

C301

IC301

BA4558F

C302

R302

R304

IC301

R309

C304

0.0082

R307

R308

R310

R926

R925

R927

R934

R929

Q912

D915

BA4558F

C303

R315D301

R305

D302R306

IC B/D

R827

C808

811 Q

R829

807 D

Q812

R828

C809

R830

813 Q

R851

TH812TH813

R852

TH806

TH807TH808TH809

R841R844R845R846R847

TH801

TH802TH803

JR104

D820D821D824D825D826D827D830D831

R840

D805

R838

C810

R839

R901

IC901

50 C9

R902R850

904 R

903

909

R905

C911

10 10

+ 22 hidden pages

Sony XM-2150-GSX Service manual

TABLE OF CONTENTS

GENERAL

DISASSEMBLY

2 LED board

ELECTRICAL ADJUSTMENT