Sony XM-280GTX Marketing Specifications User manual

1
SERVICE MANUAL
US Model
Canadian Model
AEP Model
UK Model
E Model
XM-280GTX
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
Through out pin jacks
Suitable speaker impedance
2 – 8 Ω(stereo)
4 – 8 Ω(when used as a bridging amplifier)
Maximum outputs 190 W ×2 (at 4 Ω)
240 W ×2 (at 2 Ω)
480 W (monaural) (at 4 Ω)
Rated outputs (supply voltage at 14.4V)
80 W ×2 (20 Hz – 20 kHz, 0.08% THD, at 4 Ω)
100 W ×2 (20 Hz – 20 kHz, 0.1% THD, at 2 Ω)
200 W (monaural) (20 Hz – 20 kHz,
0.1% THD, at 4 Ω)
Frequency response 5 Hz – 50 kHz ( dB)
Harmonic distortion 0.008% or less (at 1 kHz, 4 Ω)
Input level adjustment range
0.2 – 6.0 V (RCA pin jacks)
1.2 – 12.0 V (High level input)
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 : 20 A (4 Ω)
Remote input : 1 mA
Dimensions Approx. 286 ×55 ×196 mm
(11 3/8 ×2 1/4 ×7 3/4 in.) (w/h/d) not incl.
projecting parts and controls
Mass Approx. 2.5 kg (5 lb. 8 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
AUDIO POWER SPECIFICATIONS (US MODEL)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
80 watts per channel minimum continuous average power into
4 ohms, both channels driven from 20 Hz to 20 kHz with no more
than 0.08% total harmonic distortion per Car Audio Ad Hoc
Committee standards.
+0
–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 1.0 2003. 01
Sony Corporation
e Vehicle Company
Published by Sony Engineering Corporation
9-877-021-01
2003A0400-1
© 2003. 01
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TABLE OF CONTENTS
1. GENERAL
Location and Function of Controls.......................................... 3
Connections ............................................................................. 4
2. DISASSEMBLY
2-1. Bottom Plate ........................................................................ 7
2-2. Main Board Section ............................................................. 8
2-3. Disassembly and Assembly of Ornamental Plate ................ 8
2-4. Main Board .......................................................................... 9
2-5. LED Board ........................................................................... 9
3. DIAGRAMS
3-1. IC Block Diagram................................................................ 9
3-2. Printed Wiring Boards –Main Section (1/2)– .................... 10
3-3. Printed Wiring Boards –Main Section (2/2)– .................... 11
3-4. Schematic Diagram............................................................ 12
4. EXPLODEDVIEWS
4-1. Heat Sink (Main) Section .................................................. 13
4-2. Main Board Section ........................................................... 14
5. ELECTRICAL PARTS LIST......................................... 15
XM-280GTX
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XM-280GTX
SECTION 1
GENERAL This section is extracted
from instruction manual.
Location and Function of Controls
1POWER/PROTECTOR indicator
Lights up in green during operation.
When the PROTECTOR is activated the indicator will change from green
to red.
When the PROTECTOR is activated refer to the TroubleShooting Guide.
2LEVEL adjustment control
The input level can be adjusted with this control. Turn it in the clockwise
direction when the output level of the car audio unit seems low.
3LOW BOOST level control
Turn this control to boost the frequencies around 40 Hz to a maximum of
10 dB.
4FILTER selector switch
When the switch is in the LPF position, the filter is set to low-pass.
5Cut-off frequency adjustment control
Sets the cut-off frequency (50 – 300 Hz) for the low-pass filter.
Emplacement et fonction des commandes
1Indicateur POWER/PROTECTOR
S’allume en vert en cours de fonctionnement.
Lorsque PROTECTOR est activé, le voyant passe du vert au rouge.
Lorsque PROTECTOR est activé, reportez-vous au guide de dépannage.
2Commande de réglage LEVEL
Le niveau d’entrée peut se régler avec cette commande. Tournez cette
commande dans le sens des aiguilles d’une montre lorsque le niveau de sortie
de l’autoradio semble faible.
3Commande de niveau LOW BOOST
Tournez cette commande pour amplifier les fréquences autour de 40 Hz
jusqu’à un maximum de 10 dB.
4Commutateur de sélection FILTER
Lorsque le commutateur de sélection est en position LPF, le filtre est réglé sur
passe-bas.
5Commandes de réglage de la fréquence de coupure
Permet de régler la fréquence de coupure (50 – 300 Hz) pour le filtre passe-
bas.
Circuit Diagram/
Schéma du circuit
Frequency/Fréquence
dB
Frequency/Fréquence
dB
Low Pass Filter/
Filtre passe-bas
POWER/PROTECTOR
LPFOFF
LEVEL LOW BOOST
(40Hz)
0+10dB 50 300Hz
6
4
5.5 0.5
0.3V
2100 160
60 250
FILTER
10
10
0
40 100 1k
10
0
-10
-20
-30
-40
-50
-60
-70
-80 10 100 1k
50Hz
170Hz
300Hz
LEVEL
LPF
Normal AMP
Power Lch
LEVEL
Inverted AMP
Power Rch
BTL.
Lch
Rch
(BTL.)
LOW BOOST
LOW BOOST
Hz Hz
Low boost/
Amplification de
basses fréquences
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4
XM-280GTX
BTL BTL
OFF LPF
BTL BTL BTL BTL
Connections
Caution
•Before making any connections, disconnect
the ground terminal of the car battery to avoid
short circuits.
•Be sure to use speakers with an adequate
power rating. If you use small capacity
speakers, they may be damaged.
• Do not connect the #terminal of the speaker
system to the car chassis, and do not connect
the #terminal of the right speaker with that
of the left speaker.
•Install the input and output cords away from
the power supply wire as running them close
together can generate some interference noise.
•This unit is a high powered amplifier.
Therefore, it may not perform to its full
potential if used with the speaker cords
supplied with the car.
•If your car is equipped with a computer
system for navigation or some other purpose,
do not to remove the ground wire from the
car battery. If you disconnect the wire, the
computer memory may be erased. To avoid
short circuits when making connections,
disconnect the +12 V power supply wire until
all the other wires have been connected.
Connexions
2-Speaker System
Système à 2 haut-parleurs
Car audio unit
Autoradio
LINEOUT
Left speaker
(min. 2 Ω)
Haut-parleur
gauche
(min. 2 Ω)
Right speaker
(min. 2 Ω)
Haut-parleur
droit
(min. 2 Ω)
As a Monaural Amplifier
Comme amplificateur monaural
Car audio unit
Autoradio
LINEOUT
Right channel
Canaldroit
Left channel
Canalgauche
Right speaker
(min. 4 Ω)
Haut-parleur droit
(min. 4 Ω)
Pour plus de détails sur les réglages des
commutateurs et commandes, reportez-vous à
“Emplacement et fonction des commandes” .
Remarque
Vérifiez que la sortie de ligne de l’autoradio est
raccordée à la prise portant l’indication “ L
(BTL)” sur l’appareil.
Left speaker
(min. 4 Ω)
Haut-parleur gauche
(min. 4 Ω)
As the Monaural Amplifier for a Subwoofer
Comme amplificateur monaural pour un haut-parleur
d’extr êmes graves
Car audio unit
Autoradio
LINEOUT
For details on the settings of switches and
controls, refer to “ Location and Function of
Controls.”
Note
Make sure that the line output from the car
audio unit isconnected to the jack marked “ L
(BTL)” on the unit.
For details on the settings of switches and
controls, refer to “ Location and Function of
Controls.”
Note
If you wish to use a subwoofer asa monaural
speaker, connect the speaker asillustrated
above. The output signals to the subwoofer
will be the combination of the both right and
left output signals.
Pour plus de détails sur les réglages des
commutateurs et commandes, reportez-vous à
“Emplacement et fonction des commandes” .
Remarque
Sivous désirez utiliser un haut-parleur
d’extr êmes graves comme haut-parleur
monaural, raccordez le haut-parleur comme
illustr é ci-dessus.Lessignaux de sortie vers le
haut-parleur d’extrêmes graves seront une
combinaison des signaux de sortie droit et
gauche.
Attention
•Avant d’effectuer les connexions, débranchez
la borne de masse de la batterie de voiture
pour éviter tout court-circuit.
•Veillez à utiliser des haut-parleurs de
puissance adéquate. Si vous utilisez des haut-
parleurs de faible capacité, ils risquent d’être
endommagés.
•Ne raccordez pas la borne #du système de
haut-parleurs à la carrosserie de la voiture ni
la borne #du haut-parleur droit avec celle du
haut-parleur gauche.
•Eloignez les câbles d’entrée et de sortie du
câble d’alimentation pour éviter les
interférences.
•Cet appareil est un amplificateur de haute
puissance. Il ne peut donc déployer sa pleine
puissance que si les câbles de haut-parleurs de
la voiture lui sont raccordés.
• Si votre voiture est équipée d’un système de
navigation ou d’un ordinateur de bord, ne
retirez pas le câble de terre de la batterie de la
voiture, sinon les données mémorisées seront
effacées. Pour éviter un court-circuit lorsque
vous effectuez les branchements, branchez le
câble d’alimentation +12 V après avoir
branché tous les autres câbles.
Power Connection Wires
Câbles d’alimentation
Car audio unit
Autoradio Fuse (30 A)
Fusible (30 A) +12 V carbattery
Batterie de voiture +12 V
Remote output *
Sortie de
télécommande
*
(REMOUT)
to a metal point
of the car
versune partie
métallique de la
carrosserie
*
If you have the factory original or some other car audio unit without a remote output on the amplifier,
connect the remote input terminal (REMOTE) to the accessory power supply.
* Sivous disposez du modèle d’origine ou d’un autre l’autoradio dont l’amplificateur ne comporte pas de
sortie de t élécommande, raccordez la borne d ’entr ée de télécommande (REMOTE) à la prise
d’alimentation accessoires.
Notes on the power supply
• Connect the +12 V power supply wire only after
all the other wires have been connected.
• Be sure to connect the ground wire of the unit
securelyto a metal point of the car. A loose
connectionmay causea malfunction of the
amplifier.
• Be sure to connect the remote control wire of the
car audio unit to the remote terminal.
•When using a car audio unit without a remote
output on the amplifier, connect the remote
input terminal (REMOTE)to the accessorypower
supply.
• Usethe power supply wire with a fuse attached
(30 A).
• Placethe fuse in the power supply wire asclose as
possible to the car battery.
• Make sure that the wires to be connected to the
+ 12 V and GND terminals of this unit are at least
10-Gauge (AWG-10) or have a sectional area of
more than 5.5 mm
2
.
Remarquessur l’alimentation électrique
• Raccordez le câble d’alimentation +12 V
uniquement aprèsavoir réalisé toutes les autres
connexions.
• Raccordezcorrectementle câble de masseà une
partie métallique de la voiture. Une connexion
lâchepeut provoquer un dysfonctionnement de
l’amplificateur.
• Veillez à raccorder le fil de t élécommande de
l’autoradio à la borne de télécommande.
• Si vous utilisez un l ’autoradio dont l ’amplificateur
ne comporte pas de sortie de télécommande,
raccordez la borne d’entr ée de la télécommande
(REMOTE)à la prise d’alimentation accessoires.
• Utilisez un c âble d ’alimentation muni d ’un fusible
(30 A).
• Fixez le câble d’alimentation le plus près possible
de la batterie de voiture.
• Assurez-vous que les câbles à raccorder aux
bornes +12V et GND de cet appareil sont d’un
calibre d’au moins 10 (AWG-10) ou d’une section
supérieure à 5,5 mm
2
.
Pour plus de détails sur les réglages des
commutateurs et commandes, reportez-vous à
“Emplacement et fonction des commandes” .
For details on the settings of switches and
controls, refer to “ Location and Function of
Controls.”
Subwoofer (min. 4 Ω)
Subwoofer (min. 4 Ω)
Make the terminal connections as illustrated below.
Effectuez les connexions des bornes comme illustr é ci-dessous.
REMOUT
+
12VGND
REMOUT
+
12VGND
Pass the wires through the cap, connect
the wires, then cover the terminalswith
the cap.
Note
When you tighten the screw, be careful not to
apply too much torque
* as doing so may damage
the screw.
* The torque value should be lessthan 1 N•m.
Faitespasserlescâbles par le cache,
raccordezlescâbles,puisrecouvrez les
bornesavecle cache.
Remarque
Lorsque vous vissez la vis, faites attention à ne
pas appliquer une trop grande force
* , car cela
pourrait endommager la vis.
* Le couple de torsion doit être inf érieur à 1 N•m.
3
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XM-280GTX
BTL BTL
OFF LPF
OFF LPF
OFF LPF OFF LPF
OFF LPF OFF LPF
Four output channels
Quatre canaux de sortie
Fullrange speakers
(min. 2 Ω)
Haut-parleurs à large
bande (min. 2 Ω)
Subwoofers (min. 2 Ω)
Subwoofers (min. 2 Ω)
Pour plus de détails sur lesréglages des
commutateurs et commandes, reportez-vous à
“Emplacement et fonction des commandes” .
Remarque
Dans ce système, le volume des haut-parleurs
d’extr êmes graves est contr ôlé par la
commande de balance avant/arri ère de
l’autoradio.
For details on the settings of switches and
controls, refer to “ Location and Function of
Controls.”
Note
In this system, the volume of the subwoofers
will be controlled by the car audio unit fader
control.
Caraudio unit
Autoradio
LINEOUT
Dual Mode System (With a Bridged Subwoofer)
Double mode de connexion (avec un haut-parleur
d’extr êmes graves en pont)
Notes
•When using passivecrossover networks in a multi-
speaker system, care must be taken as the speaker
system’simpedance should not be lower than
that of the suitable impedance for this unit.
•When you are installing a 12 decibels/octave
system in your car, the following points must be
considered. In a 12 decibels/octave system where
both a choke and capacitor are used in series to
form a circuit, a great care must be taken when
they are connected.In such a circuit, there is
going to be an increase in the current which by-
passesthe speaker with frequencies at around the
crossover frequency. If audio signals are
continued to be fed into the crossover frequency
area, it may cause the amplifier to become
abnormally hot or the fuse will be blown. Also if
the speaker is disconnected, a series-resonant
circuit will be formed by the choke and the
capacitor. In this case,the impedance in the
resonance area will decreasedramatically
resulting in a short circuit like situation causing a
damage to the amplifier.Therefore, make sure
that a speaker is connected to such a circuit at all
times.
Remarques
•Lorsque vous utilisez des circuits de recoupement
de fréquence passifsdans un système à plusieurs
haut-parleurs, assurez-vousque l’impédance du
système n’est pas inférieure à celle prévue pour
cet appareil.
•Lorsque vous installez un système à 12 décibels/
octave dans votre voiture, vous devez respecter
les points suivants. Dans un système à 12 décibels/
octave où la bobine d’arrêt et le condensateur
sont utilis ésen série pour former un circuit, vous
devez réaliser les branchements avec beaucoup de
précaution. Dans ce type de circuit, une
augmentation du courant contournant le haut-
parleur seproduit dans les fr équences se situant
autour de la fréquence de coupure. Sides signaux
audio continuent d’être fournis dans la zone de la
fréquence de recoupement, une surchauffe risque
de seproduire dans l’amplificateur et le fusible
risque de sauter. Sile haut-parleur n’est pas
raccordé, un circuit de résonance série sera créé
par la bobine et le condensateur.Dans ce cas,
l’impédance dans la zone de résonance sera
considérablement réduite, et comme dans le cas
d’un court-circuit, l’amplificateur peut être
endommag é. Par conséquent, veillez à ce qu’un
haut-parleur soit toujours raccordé au circuit.
C1/C2
(capacitor) *
unit: µF
800
500
400
300
270
200
150
100
68
50
39
Table of crossover values for
6 dB/octave (4 Ω)
* (not supplied)
Crossover
Frequency
unit: Hz
50
80
100
130
150
200
260
400
600
800
1000
L
(coil)*
unit: mH
12.7
8.2
6.2
4.7
4.2
3.3
2.4
1.6
1.0
0.8
0.6
Fréquence de
recoupement
unité : Hz
50
80
100
130
150
200
260
400
600
800
1000
L
(bobine) *
unité : mH
12,7
8,2
6,2
4,7
4,2
3,3
2,4
1,6
1,0
0,8
0,6
C1/C2
(condensa-
teur)
*
unité : µF
800
500
400
300
270
200
150
100
68
50
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Tableau des valeurs de recoupement
pour 6 dB/octave (4 Ω)
* (non fournis)
2-way System
Système 2 voies
Two output channels
Duex canaux de sortie
Fullrange speakers
(min. 2 Ω)
Haut-parleurs à large
bande (min. 2 Ω)
Subwoofers (min. 2 Ω)
Subwoofers (min. 2 Ω)
Utilisez la borne THROUGH OUT lorsque
vous installez plusieurs amplificateurs. Les
signaux sont sortis comme ils sont entrés.
(LOW BOOST, LPF ne fonctionnent pas.)
Remarques
•Vous pouvez raccorder un maximum de 3
amplificateurs à la borne THROUGHOUT. Si
vous raccordez plus de trois amplificateurs,
cela peut provoquer des probl èmes comme
des baissesdu son.
•Avec une connexion d’entr ée de haut niveau,
vous ne pouvez pas utiliserTHROUGH OUT.
Use the THROUGH OUT terminal when
you install more amplifiers. The signals are
output as they were input. (LOW BOOST,
LPF do not work.)
Notes
•Amaximum 3 amplifiers can be connected to
the THROUGHOUT terminal. If you connect
more than three amplifiers, it may cause
problems such as sound dropout.
•High level input connection cannot use
THROUGHOUT.
Caraudio unit
Autoradio
LINEOUT
THROUGHOUT
INPUT INPUT
Caraudio unit
Autoradio
Left speaker
Haut-parleur gauche Right speaker
Haut-parleur droit
Subwoofer
Subwoofer
LINEOUT
C2C1
L
High Level Input Connection
(As a Monaural Amplifier for a Subwoofer)
Connexion d’entr ée à haut niveau
(Comme amplificateur monaural pour un haut-parleur d’extr êmes
graves)
Pour plus de détails sur lesréglages des
commutateurs et commandes, reportez-vous à
“Emplacement et fonction des commandes” .
Remarque
Sivous désirez utiliser un haut-parleur d’extrêmes
graves comme haut-parleur monaural, raccordez
le haut-parleur comme illustr é ci-dessus.Les
signaux de sortie vers le haut-parleur d’extrêmes
graves seront une combinaison des signaux de
sortie droit et gauche.
For details on the settings of switches and
controls, refer to “Location and Function of
Controls.”
Note
If you wish to use a subwoofer asa monaural
speaker, connect the speaker asillustrated
above. The output signals to the subwoofer
will be the combination of both the right and
left output signals.
Caraudio unit
Autoradio
Left speaker
Haut-parleur gauche
Right speaker
Haut-parleur droit
Subwoofer (min. 4 Ω)
Subwoofer (min. 4 Ω)
2
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6
XM-280GTX
BTL BTL BTL BTL
* High Level Input Connector
* Connecteur d’entr ée à haut niveau
High Level Input Connection (As a Monaural Amplifier)
Connexion d ’entr ée à haut niveau
(Comme amplificateur monaural)
Pour plus de détails sur les réglages des
commutateurs et commandes, reportez-vous à
“Emplacement et fonction des commandes” .
For details on the settings of switches and
controls, refer to “Location and Function of
Controls.”
Caraudio unit
Autoradio
Right speakeroutput
Sortie haut-parleur
droit
Left speakeroutput
Sortie haut-parleur gauche
Left speaker
(min. 4 Ω)
Haut-parleur gauche
(min. 4 Ω)
Right speaker
(min. 4 Ω)
Haut-parleur droit
(min. 4 Ω)
Black-stripedcord
Cordonrayé noir Black-stripedcord
Cordonrayé noir
Black-stripedcord
Cordonrayé noir
High Level Input Connection (2-Speaker System)
Connexion d ’entr ée à haut niveau
(Système à 2 haut-parleurs)
Left speaker
(min. 2 Ω)
Haut-parleur gauche
(min. 2 Ω)
Right speaker
(min. 2 Ω)
Haut-parleur droit
(min. 2 Ω)
Grey
Gris
White
Blanc
Black-striped cord
Cordonrayé noir Caraudio unit
Autoradio
Pour plus de détails sur les réglages des
commutateurs et commandes, reportez-vous à
“Emplacement et fonction des commandes” .
For details on the settings of switches and
controls, refer to “ Location and Function of
Controls.”
Right speakeroutput
Sortie haut-parleur droit
Left speakeroutput
Sortie haut-parleur gauche
Black-striped cord
Cordonrayé noir
Black-stripedcord
Cordonrayé noir
Grey
Gris
Grey/Black
striped
Rayé gris/noir
White
Blanc
White/Black
striped
Rayé blanc/noir
2
*
2
**
•This unit is designed for negative ground 12 V
DC operation only.
•
Use speakers with suitable impedance.
—2– 8 Ω(stereo) , 4 – 8 Ω(when used as a
bridging amplifier).
•Do not connect any active speakers (with built-in
amplifiers) to the speaker terminals of the unit.
Doing so may damage the amplifier and active
speakers.
•Avoid installing the unit in areas subject to:
—high temperatures such as from direct
sunlight or hot air from the heater
—rain or moisture
—dust or dirt
•If your car is parked in direct sunlight and there
is a considerable rise in temperature inside the
car, allow the unit to cool down before use.
•When installing the unit horizontally, be sure not
to cover the fins with the floor carpet etc.
•If this unit is placed too close to the car audio
unit or antenna, interference may occur. In this
case, relocate the amplifier away from the car
audio unit or antenna.
•If no power is being supplied to the car audio
unit, check the connections.
•This power amplifier employs a protection
circuit * to protect the transistors and speakers if
the amplifier malfunctions. Do not attempt to test
the protection circuits by covering the heat sink
or connecting improper loads.
•Do not use the unit on a weak battery as its
optimum performance depends on a good power
supply.
•For safety reasons, keep your car audio volume
moderate so that you can still hear sounds
outside your car.
Précautions
Precautions
Fuse Replacement
If the fuse blows, check the power connection and
replace the fuse. If the fuse blows again after
replacement, there may be an internal malfunction.
In such a case, consult your nearest Sony dealer.
Warning
When replacing the fuse, be sure to use one
matching the amperage stated above the fuse
holder. Never use a fuse with an amperage rating
exceeding the one supplied with the unit as this
could damage the unit.
∗ Protectioncircuit
This amplifier is provided with a protection circuit
that operates in the following cases:
— when the unit is overheated
— when a DCcurrent is generated
— when the speaker terminals are short circuited
The POWER/PROTECTOR indicator lights up in red
and the unit will shut down.
If this happens, turn off the connected
equipment, take out the cassettetape or disc,and
determine the causeof the malfunction. If the
amplifier has overheated, wait until the unit cools
down before use.
If you have any questions or problems concerning
your unit that are not covered in this manual,
please consult your nearest Sony dealer.
•Cet appareil est conçu pour fonctionner sur du
courant continu 12 V à masse négative.
•Utilisez des haut-parleurs d’une impédance
appropriée.
—2– 8 Ω(stéréo) , 4 – 8 Ω(en cas d’utilisation
comme amplificateur en pont).
•Ne raccordez pas de haut-parleurs actifs (avec
amplificateurs intégrés) aux bornes de haut-
parleurs de cet appareil. Cela risquerait en effet
d’endommager l’amplificateur et les haut-
parleurs actifs.
•N’installez pas l’appareil à un endroit exposé à :
—de hautes températures comme sous le
rayonnement direct du soleil ou près d’un
conduit de chauffage
—la pluie ou à l’humidité
—de la poussière ou à des saletés
•Si votre voiture est garée en plein soleil et que la
température à l’intérieur de l’habitacle a
considérablement augmenté, laissez refroidir
l’appareil avant de l’utiliser.
•Lorsque vous installez l’appareil à l’horizontale,
veillez à ne pas recouvrir la grille d’aération avec
le tapis, etc.
•Si cet appareil est placé trop près de l’autoradio
ou de l’antenne, il se peut que des interférences
se produisent. Dans ce cas, éloignez
l’amplificateur de l’autoradio ou de l’antenne.
•Si l’autoradio n’est pas alimenté, vérifiez les
branchements.
•Cet amplificateur de puissance utilise un circuit
de protection * visant à protéger les transistors et
les haut-parleurs en cas de dysfonctionnement de
l’amplificateur. Ne tentez pas de tester les
circuits de protection en couvrant l’accumulateur
de chaleur ou en branchant des charges
inadéquates.
•N’utilisez pas cet appareil avec une batterie
faible car les performances optimales de
l’appareil dépendent d’une bonne alimentation
électrique.
•Pour des raisons de sécurité, gardez le volume de
votre installation audio de voiture à un niveau
permettant encore la perception des bruits
extérieurs.
Remplacement du fusible
Si le fusible grille, vérifiez la connexion électrique
et remplacez le fusible. Si le fusible grille encore
après ce remplacement, il est possible qu’il y ait un
dysfonctionnement interne. Dans ce cas, adressez-
vous à votre distributeur Sony le plus proche.
Avertissement
Lors du remplacement du fusible, veillez à
respecter l’ampérage indiqué au-dessus du
logement du fusible. N’utilisez jamais un fusible
d’ampérage supérieur à celui fourni avec
l’appareil, car cela pourrait endommager
l’appareil.
* Circuitde protection
Cet amplificateur est équipé d’un circuit de
protection qui s’active dans les cassuivants :
— en casde surchauffe de l’appareil
— en casde génération d’un courant continu
— lorsque les bornes de haut-parleurs sont court-
circuitées
L’indicateur POWER/PROTECTOR s’allume en
rouge et l’appareil s’arrête.
Dans ce cas,éteignez tout équipement raccordé,
retirez la cassette ou le disque et déterminez la
causedu dysfonctionnement. Sil’amplificateur a
surchauffé, attendez que l’appareil refroidisse
avant de le réutiliser.
Si vous avez des questions ou des problèmes
concernant votre appareil qui ne sont pas abordés
dans ce mode d’emploi, adressez-vous à votre
distributeur Sony le plus proche.
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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7
XM-280GTX
SECTION 2
DISASSEMBLY
Note : Follow the disassembly procedure in the numerical order given.
2-1. BOTTOM PLATE
Note : This set can be disassemble according to the following sequence.
2-1. BOTTOM PLATE
(Page 7)
2-2. MAIN BOARD SECTION
(Page 8)
2-5. LED BOARD
(Page 9)
SET
2-4. MAIN BOARD
(Page 9) 2-3. DISASSMBLY AND ASSEMBLY
OF ORNAMENTAL PLATE
(Page 8)
3 bottom plate
5 insulating shee
t
1 P 3x6
2 P 3x6
4 P 3x6
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

8
XM-280GTX
2-3. DISASSEMBLY AND ASSEMBLY OF ORNAMENTAL PLATE
2-2. MAIN BOARD SECTION
heat sink (main)
1 B 3x12
2 B 3x12
3 B 3x12
5 CON1
4 MAIN board section
heat sink (main)
At disassembly:
At assembly:
ornamental plate
cut
welding
heat sink (main)
ornamental plate
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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http://www.xiaoyu163.com

99
XM-280GTX
2-4. MAIN BOARD
1 P 3x8
2 P 3x8
3 P 3x8
4 panel (front)
5 MAIN board
2-5. LED BOARD
1 P 3x6
2 LED board
heat sink (main)
3-1. IC BLOCK DIAGRAM
IC8 TL494CN
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS
AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
for schematic diagram:
Note:
•All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
•All resistors are in Ωand 1/4W or less unless otherwise
specified.
•%: indicates tolerance.
•2: nonflammable resistor.
•A: B+ Line.
•B: B– Line.
•Powervoltageis dc 14.4V and fedwith regulated dc power
supply from +12V and REM terminals.
•Voltage is dc with respect to ground under no-signal
condition.
•Voltagesaretakenwith aVOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
•Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
•Circled numbers refer to waveforms.
•Signal path.
F: AUDIO
for printed wiring boards:
Note:
•X: parts extracted from the component side.
•: Pattern from the side which enables seeing.
(The other layer’s patterns are not indicated.)
SECTION 3
DIAGRAMS
Caution:
Pattern face side: Partsonthepatternfaceside seen fromthe
(Side B) pattern face are indicated.
Parts face side: Parts on the parts face side seen from the
(Side A) parts face are indicated.
OSC
REF 5V
ERROR
ERROR
0.1V
16 15 14 13 12 11 10 9
1 2 3 4 5 6 7 8
NON INV VREF VCC C2 E1 E2 OUT
+IN
-IN
COMP EN
CT
RT
C1
GND
TIME
•Waveform
IC8 5
11V/DIV, 5µsec/DIV
15µsec
3.4Vp-p
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

10 10
XM-280GTX
3-2. PRINTED WIRING BOARDS — MAIN SECTION (1/2) — • Refer to page 9 for Common Note on PrintedWiring Boards.
1
A
B
C
D
E
F
G
H
I
J
234567891011121314
MAIN BOARD (SIDE A)
LED BOARD
(SIDE A)
1-688-243-
R202
R201 R203
C203 C103
R103 R101 R102
C12
C13
C107
RB204 RB205 RB105 RB104
R109 R209
R24
C10
R27
R64
R29 R41 R32 R31
R115 R116 R215 R216
R124
C108
R130
TH2
R140 R138 R137 R139
R240 R237 R238 R239
R128 R126
R122
C17
R63
R52
R53
R131
C110
R119
R219
R221
D202
Q204
R220
R44
TH3
AKAD8
R40
R38
R46
R36
AKA
R11
R10
R43R35
R18
R17
R39 R37
R34
R45
C21
R132
R69
R218
R234
R3
R1
R2
R4
R16
R19
R20
R13
R217
Q214
R134
R118
R117
R133
R123
R121 R120
R125 R127 R129
R60 R61 R58 R59
R8
R71
R70
R7
C9C5
R5 R6
R243 R244
R242 R241
R142 R141
R144
R143
C7 C6 C4
C3
R9
R14
C11
C28
C27
C8
R54
Q15
Q16
Q12
R28
R26 R25
C20
R12
R23
Q5
Q6
R148 R245
R108
RB203
RB202
RB103
R30
R67
R55
R56
R57
C29
R62
R51
C23
RB102
R208
C207
R213 R214 R113 R114
BCE
Q20
BCE
Q19
BCE
Q8
BCE
AKA
Q103
BCE
Q114
BCE
ECB
Q113
Q213
ECB
Q104
BCE
AKA AKA
D11 D12
Q108
BCE
D102
AKA
Q102
BCE
BCE
Q13
BCE
ECB
Q17
ECB
BCE
Q101
ECB
Q201
ECB
ECB
Q2
Q1
ECB
BCE
D10
ECB
Q9
ECB
D101
AKA
BCE
IC6
1
4
8
5IC3
1
4
8
5
IC5
1
4
8
5
AKA
D201
R223 R224
R225
R230
R228
R231
R229
R227
C208
R232 R233
Q208
BCE
Q202
BCE
ECB
Q203
R226
R222
C210
R22
C19 C18
R21
R33
AKA
D7
AKAAKA
AKAAKA
D4D3
D5D6
C202
R204
R104
C102
C201
IC1
C101
1
4
8
5
LED4
RG
LED5
1-688-244- (11)
11
(11)
11
POWER/
PROTECTOR
D3 E-7
D4 E-7
D5 F-7
D6 F-7
D7 F-8
D8 B-6
D10 A-3
D11 E-12
D12 E-12
D101 E-12
•Semiconductor Location (Side A)
Ref. No. Location Ref. No. Location
D102 D-12
D201 C-8
D202 C-10
IC1 G-9
IC3 G-6
IC5 G-8
IC6 G-7
LED4 H-1
LED5 H-1
Q1 B-4
Q2 A-4
Q5 H-5
Q6 G-5
Q8 F-8
Q9 G-7
Q12 G-12
Q13 F-12
Q15 F-12
Q16 F-12
Q17 F-11
Q19 H-3
Q20 G-3
Q101 G-7
Q102 E-11
Q103 E-11
Q104 D-11
Q108 D-12
Q113 C-12
Q114 C-11
Q201 G-7
Q202 C-9
Q203 C-9
Q204 C-10
Q208 C-9
Q213 B-12
Q214 C-10
Ref.No. Location Ref.No. Location Ref. No. Location
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

11 11
XM-280GTX
1
A
B
C
D
E
F
G
H
I
J
234567891011 12 13 14
MAIN BOARD (SIDE B)
D1
EC13
IC8
MC5
EC12
98
16 1
ZD4
ZD3
EC105
REM HIGH LEVEL INPUT
INPUT
LEVELFILTER
OUTPUT
(THROUGH)
30A
FUSE1
EC205
L2
MC102
L5
FET1FET2FET3FET4
R72
TH1
T3
MC1
1
31
3
CON1
C209
Q211
Q210
Q206
Q212
Q209Q205
Q207
MC201
R235
R236
ZD5
ZD2
MC4
MC3
Q4
Q106
IC7
EC5
EC6
EC10
L1
EC9
C109
EC203
EC103
CB201
CB202
CB203
ZD1
Q3
EC26
EC16
C2 C1
EC11
EC7
EC22
EC8
EC21
EC107EC207
EC202 EC201
EC101
EC102
C25
MC203 MC103
CB101 CB102 CB103
MC202
MC2
EC4
EC3
+12VGND
D2
TER1
VR1VR3 LPF OFF
LOW
BOOST
(40Hz)
VR2
SW1
Q7
Q109
Q105
Q110
R136 R135
R
Q112Q111
Q107
MC101
C16
MC104
MC204
SPEAKER OUT
JK1
TER2
L
(BTL)
T1
-2 -4
-1 -3
-4 -2
-3 -1
RL
-3
L
-1
L (BTL)
-4
R
-2
R
1-688-243-
G
D
S
G
D
S
G
D
S
G
D
S
LED BOARD
(SIDE B)
1-688-244-
(11)
11 (11)
11
CON3
YEL
BLK
ORG
YEL
BLK
ORG
E
E
C
B
E
C
B
B
C
E
B
C
E
B
C
E
E
C
B
B
C
E
B
C
E
B
C
E
B
C
E
B
C
E
B
C
E
B
BCE
C
E
B
C
E
CB ECB
2
1
3
4
-4
-3
-2
-1
-2
-1
-1
-2
-2
-1
3-3. PRINTED WIRING BOARDS — MAIN SECTION (2/2) — • Refer to page 9 for Common Note on PrintedWiring Boards.
D1 B-3
D2 C-3
FET1 D-3
FET2 E-3
•Semiconductor Location (Side B)
Ref.No. Location Ref.No. Location
FET3 E-3
FET4 F-3
IC7 E-8
IC8 B-5
Q3 E-9
Q4 E-9
Q7 F-6
Q105 E-12
Q106 C-12
Ref. No. Location Ref. No. Location Ref. No. Location
Q107 D-13
Q109 E-12
Q110 C-12
Q111 E-13
Q112 C-13
Q205 C-7
Q206 C-9
Q207 B-8
Q209 C-8
Q210 C-9
Q211 B-8
Q212 B-9
ZD1 E-10
ZD2 E-8
ZD3 G-5
ZD4 G-5
ZD5 F-8
Ref. No. Location Ref. No. Location
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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12 12
XM-280GTX
3-4. SCHEMATIC DIAGRAM • Refer to page 9 for Common Note on Schematic Diagrams, IC Block Diagram and Waveform.
IC B/D
C4
C5
C6
C7
C8
C9
C27
C28
R7
R70
R8
R71
R14 C3
R9
C11 C203
C103
C101
C201
EC101
EC102
EC201
EC202
R101
R102
R201
R202
R103
R203
R108 R109
R208 R209
R148
R245
MC103
MC203
C102
R104
C202
R204
C107
C207
EC103
EC203
R113
R213
CB101
CB102
CB201 CB202
RB102 RB103RB104
RB202 RB203
RB204
R33
R30EC11
D7 R31 R32
R216
R215
R115
R116
Q107
Q109
Q110
Q111
Q112
D101
D102
R123 R124
R117
R120 R121 R126
R128
R127
R130
R129
R132
R133
R134
MC101
C108
R125
R144R143
Q207
Q209
Q210
Q211
Q212
R51 R52
R53
R69 R54
R58
R59
R60 R61
D11
D8
R35
R36 R43 R39
R64 R67
R55
R34
R56
R57 C29
C21
R45
R38
R37
EC13
R29
R25 R26
R28
ZD3
R24
R12 R23 R27
ZD4 R20
R13
R18
R19
R16 R17
R1
R3
R2
R4
FET2
FET1
FET3
FET4 R72
D2
D1
R21
R22
ZD2
ZD1
EC22
EC21
C18
C19
EC7
EC8
Q4
Q3
D3
D4
D5
D6
EC9
EC10
MC1 C10
R223 R224
R225
C208
R217 R227
R228
R229
R220 R221 R226
D202
R230
MC201
R234
R233
R243 R244
R122
R222
R119
R219
R41
T1
JK1
R6
R5
EC105
EC205
RB105
RB205
ZD5
D201
R118
R218
R139
R138
R239
R238
C20
EC26
IC1(1/2)
C13
C12
IC1(2/2)
MC102
MC202
IC3(2/2)
IC5(1/2)
IC5(2/2) IC6(2/2)
IC6(1/2)
R114
CB103
EC107
Q101
R214
CB203
VR1 VR2
VR3
Q201 EC207
Q9
Q8
Q102 Q103
Q105
C109
Q104
Q106
Q114
C110
R131
Q108 R137
Q113
L2
R141
R142
MC104
TER2
R140
Q205
Q203Q202
C209
Q204
Q214
Q206
C210
R232
R237
Q213
R240
L1
R241
R242
MC204
Q208
TER1
FUSE1 L5
Q20
Q19
CON3 CON1
LED5 LED4
TH2
TH3
TH1
R44
R40
IC8
MC5
EC12
Q7
Q6
Q5 R11
R10
Q1
Q2
MC2
EC3
EC4
C25
MC4
MC3
EC6
EC5
Q12
C23
Q13
C17
Q16
C1
C2
Q15
Q17
R62
R63
EC16
IC3(1/2)
IC7
R235
R236
R231
R135
R136
D12
T3
(6:14:1)
C16
R46
D10
0.5%
0.5%
0.5%
0.5%
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

13
XM-280GTX
SECTION 4
EXPLODED VIEWS
•Color Indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE) ... (RED)
Parts Color Cabinet’s Color
•Accessories are given in the last of this parts list.
Ref. No. Part No. Description Remark
RR
NOTE:
•The mechanical parts with no reference
number in the exploded views are not supplied.
•Items marked “*” are not stocked since
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.
Ref. No. Part No. Description Remark
4-1. HEAT SINK (MAIN) SECTION
13-253-099-01 PLATE (LOWER), ORNAMENTAL
23-253-101-01 SHEET (LOWER)
33-253-098-01 PLATE (UPPER), ORNAMENTAL
43-253-100-01 SHEET (UPPER)
53-253-096-01 PLATE, ORNAMENTAL
63-253-095-01 HEAT SINK (MAIN)
73-253-097-01 PLATE, LIGHT GUIDE
#1 7-685-645-79 SCREW +P 3X6 TYPE2 NON-SLIT
#2 7-685-548-19 SCREW +B 3X12 TYPE2 N-S
1
1
2
2
3
3
4
4
5
6
7
not supplied
#1
#1
#1
#1
#2 #2
#2
not supplied
(LED board)
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

14
XM-280GTX
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
4-2. MAIN BOARD SECTION
51 3-253-102-01 PANEL (FRONT)
52 A-3274-824-A MAIN BOARD, COMPLETE
53 3-253-107-01 PLATE, RETAINER
54 3-253-062-01 PLATE, RETAINER
55 3-225-183-11 SCREW (+PSW.TT.3XL)
56 3-912-431-01 SCREW (+–P)
FUSE1 1-532-947-11 FUSE (BLADE TYPE) (AUTO FUSE) (30A)
#1 7-685-645-79 SCREW +P 3X6 TYPE2 NON-SLIT
#3 7-685-644-79 SCREW +P 3X8 TYPE2 NON-SLIT
51
52
53 53
54
56
56
55
55
55
FUSE1
not supplied
not supplied
not supplied
#1
#1
#3
#3
#3
#1
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

15
XM-280GTX
SECTION 5
ELECTRICAL PARTS LIST
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
NOTE:
•Due to standardization, replacements in
the parts list may be different from the
parts specified in the diagrams or the
components used on the set.
•RESISTORS
All resistors are in ohms.
METAL:Metal-film resistor.
METAL OXIDE: Metal oxide-film resistor.
F:nonflammable
•Items marked “*” are not stocked since
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.
• SEMICONDUCTORS
In each case, u : µ, for example:
uA.. : µA.. uPA.. : µPA..
uPB.. : µPB.. uPC.. : µPC.. uPD.. : µPD..
•CAPACITORS
uF : µF
•COILS
uH : µH
LED BOARD
**********
< DIODE >
LED4 8-719-066-99 LED SML-210VT-T86 (POWER/PROTECTOR
(PROTECTOR))
LED5 8-719-060-99 LED SML-210MT-T86 (POWER/PROTECTOR
(POWER))
*************************************************************
A-3274-824-A MAIN BOARD, COMPLETE
*********************
3-253-062-01 PLATE, RETAINER
3-253-107-01 PLATE, RETAINER
< CAPACITOR >
C1 1-130-777-00 MYLAR 0.1uF 5% 100V
C2 1-130-777-00 MYLAR 0.1uF 5% 100V
C3 1-115-340-11 CERAMIC CHIP 0.22uF 10% 25V
C4 1-163-251-11 CERAMIC CHIP 100PF 5% 50V
C5 1-163-251-11 CERAMIC CHIP 100PF 5% 50V
C6 1-163-251-11 CERAMIC CHIP 100PF 5% 50V
C7 1-163-251-11 CERAMIC CHIP 100PF 5% 50V
C8 1-127-573-11 CERAMIC CHIP 1uF 10% 16V
C9 1-127-573-11 CERAMIC CHIP 1uF 10% 16V
C10 1-163-009-11 CERAMIC CHIP 0.001uF 10% 50V
C11 1-163-251-11 CERAMIC CHIP 100PF 5% 50V
C12 1-115-338-11 CERAMIC CHIP 0.1uF 5% 50V
C13 1-115-338-11 CERAMIC CHIP 0.1uF 5% 50V
C16 1-162-827-11 CERAMIC 0.001uF 10% 16V
C17 1-162-925-11 CERAMIC CHIP 68PF 5% 50V
C18 1-115-339-11 CERAMIC CHIP 0.1uF 10% 50V
C19 1-115-339-11 CERAMIC CHIP 0.1uF 10% 50V
C20 1-163-009-11 CERAMIC CHIP 0.001uF 10% 50V
C21 1-163-021-11 CERAMIC CHIP 0.01uF 10% 50V
C23 1-127-573-11 CERAMIC CHIP 1uF 10% 16V
C25 1-162-827-11 CERAMIC 0.001uF 10% 16V
C27 1-127-573-11 CERAMIC CHIP 1uF 10% 16V
C28 1-127-573-11 CERAMIC CHIP 1uF 10% 16V
C29 1-163-259-11 CERAMIC CHIP 220PF 5% 50V
C101 1-163-251-11 CERAMIC CHIP 100PF 5% 50V
C102 1-163-235-11 CERAMIC CHIP 22PF 5% 50V
C103 1-163-235-11 CERAMIC CHIP 22PF 5% 50V
C107 1-163-251-11 CERAMIC CHIP 100PF 5% 50V
C108 1-163-239-11 CERAMIC CHIP 33PF 5% 50V
C109 1-107-606-11 CERAMIC 56PF 5% 500V
C110 1-163-261-11 CERAMIC CHIP 270PF 5% 50V
C201 1-163-251-11 CERAMIC CHIP 100PF 5% 50V
C202 1-163-235-11 CERAMIC CHIP 22PF 5% 50V
C203 1-163-235-11 CERAMIC CHIP 22PF 5% 50V
C207 1-163-251-11 CERAMIC CHIP 100PF 5% 50V
C208 1-163-239-11 CERAMIC CHIP 33PF 5% 50V
C209 1-107-606-11 CERAMIC 56PF 5% 500V
C210 1-163-261-11 CERAMIC CHIP 270PF 5% 50V
CB101 1-136-167-00 FILM 0.15uF 5% 50V
CB102 1-136-167-00 FILM 0.15uF 5% 50V
CB103 1-137-467-11 MYLAR 0.12uF 5% 100V
CB201 1-136-167-00 FILM 0.15uF 5% 50V
CB202 1-136-167-00 FILM 0.15uF 5% 50V
CB203 1-137-467-11 MYLAR 0.12uF 5% 100V
< CONNECTOR >
*CON1 1-569-596-11 PLUG, CONNECTOR (2.5mm) 3P
< DIODE >
D1 8-719-918-73 DIODE ESAC25-04N
D2 8-719-912-51 DIODE ESAC25-04C
D3 8-719-801-78 DIODE 1SS184
D4 8-719-801-78 DIODE 1SS184
D5 8-719-801-78 DIODE 1SS184
D6 8-719-801-78 DIODE 1SS184
D7 8-719-801-78 DIODE 1SS184
D8 8-719-801-78 DIODE 1SS184
D10 8-719-801-78 DIODE 1SS184
D11 8-719-801-78 DIODE 1SS184
D12 8-719-801-78 DIODE 1SS184
D101 8-719-801-78 DIODE 1SS184
D102 8-719-801-78 DIODE 1SS184
D201 8-719-801-78 DIODE 1SS184
D202 8-719-801-78 DIODE 1SS184
< CAPACITOR >
EC3 1-131-731-11 ELECT 2200uF 20% 16V
EC4 1-131-731-11 ELECT 2200uF 20% 16V
EC5 1-128-712-11 ELECT 3300uF 20% 50V
EC6 1-128-712-11 ELECT 3300uF 20% 50V
EC7 1-107-882-11 ELECT 100uF 20% 16V
EC8 1-107-882-11 ELECT 100uF 20% 16V
EC9 1-126-968-11 ELECT 100uF 20% 50V
EC10 1-126-968-11 ELECT 100uF 20% 50V
When indicating parts by reference
number, please include the board.
LED MAIN
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

16
XM-280GTX
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
EC11 1-128-551-11 ELECT 22uF 20% 25V
EC12 1-124-583-11 ELECT 22uF 20% 25V
EC13 1-107-882-11 ELECT 100uF 20% 16V
EC16 1-107-715-11 ELECT 22uF 20% 25V
EC21 1-126-963-11 ELECT 4.7uF 20% 50V
EC22 1-126-963-11 ELECT 4.7uF 20% 50V
EC26 1-104-666-11 ELECT 220uF 20% 25V
EC101 1-126-963-11 ELECT 4.7uF 20% 50V
EC102 1-126-963-11 ELECT 4.7uF 20% 50V
EC103 1-126-963-11 ELECT 4.7uF 20% 50V
EC105 1-126-963-11 ELECT 4.7uF 20% 50V
EC107 1-126-947-11 ELECT 47uF 20% 25V
EC201 1-126-963-11 ELECT 4.7uF 20% 50V
EC202 1-126-963-11 ELECT 4.7uF 20% 50V
EC203 1-126-963-11 ELECT 4.7uF 20% 50V
EC205 1-126-963-11 ELECT 4.7uF 20% 50V
EC207 1-126-947-11 ELECT 47uF 20% 25V
< TRANSISTOR >
FET1 8-729-056-77 FET RFP70N06
FET2 8-729-056-77 FET RFP70N06
FET3 8-729-056-77 FET RFP70N06
FET4 8-729-056-77 FET RFP70N06
< FUSE >
FUSE1 1-532-947-11 FUSE (BLADE TYPE) (AUTO FUSE) (30A)
< IC >
IC1 8-759-700-38 IC NJM4559M
IC3 8-759-700-38 IC NJM4559M
IC5 8-759-700-38 IC NJM4559M
IC6 8-759-700-38 IC NJM4559M
IC8 8-759-904-94 IC TL494CN
< PHOTO COUPLER >
IC7 8-749-017-47 PHOTO COUPLER KPC117GR
< JACK >
JK1 1-779-078-41 JACK, PIN 4P (INPUT,OUTPUT (THROUGH))
< COIL >
L1 1-428-086-11 COIL, AIR-CORE
L2 1-428-086-11 COIL, AIR-CORE
L5 1-456-426-11 COIL, CHOKE 68uH
< CAPACITOR >
MC1 1-137-194-11 FILM 0.47uF 5% 50V
MC2 1-137-397-11 MYLAR 0.047uF 5% 100V
MC3 1-130-777-00 MYLAR 0.1uF 5% 100V
MC4 1-130-777-00 MYLAR 0.1uF 5% 100V
MC5 1-104-987-11 FILM 0.001uF 5% 200V
MC101 1-137-194-11 FILM 0.47uF 5% 50V
MC102 1-137-397-11 MYLAR 0.047uF 5% 100V
MC103 1-136-157-00 FILM 0.022uF 5% 50V
MC104 1-137-397-11 MYLAR 0.047uF 5% 100V
MC201 1-137-194-11 FILM 0.47uF 5% 50V
MC202 1-137-397-11 MYLAR 0.047uF 5% 100V
MC203 1-136-157-00 FILM 0.022uF 5% 50V
MC204 1-137-397-11 MYLAR 0.047uF 5% 100V
< TRANSISTOR >
Q1 6-550-329-01 TRANSISTOR KTC3875GR
Q2 6-550-329-01 TRANSISTOR KTC3875GR
Q3 8-729-052-03 TRANSISTOR KTB631K
Q4 8-729-052-04 TRANSISTOR KTD600K
Q5 6-550-329-01 TRANSISTOR KTC3875GR
Q6 8-729-034-50 TRANSISTOR KTA1504
Q7 8-729-052-01 TRANSISTOR KTA1023
Q8 6-550-329-01 TRANSISTOR KTC3875GR
Q9 8-729-034-50 TRANSISTOR KTA1504
Q12 8-729-034-50 TRANSISTOR KTA1504
Q13 6-550-329-01 TRANSISTOR KTC3875GR
Q15 6-550-329-01 TRANSISTOR KTC3875GR
Q16 6-550-329-01 TRANSISTOR KTC3875GR
Q17 8-729-034-50 TRANSISTOR KTA1504
Q19 6-550-329-01 TRANSISTOR KTC3875GR
Q20 6-550-329-01 TRANSISTOR KTC3875GR
Q101 8-729-202-38 TRANSISTOR 2SC3326N-A
Q102 6-550-329-01 TRANSISTOR KTC3875GR
Q103 6-550-329-01 TRANSISTOR KTC3875GR
Q104 8-729-034-50 TRANSISTOR KTA1504
Q105 8-729-037-03 TRANSISTOR KTA1266GR-AT
Q106 8-729-036-90 TRANSISTOR KTC3198BL-AT
Q107 8-729-119-78 TRANSISTOR 2SC2785-HFE
Q108 8-729-034-50 TRANSISTOR KTA1504
Q109 8-729-052-04 TRANSISTOR KTD600K
Q110 8-729-052-03 TRANSISTOR KTB631K
Q111 6-550-609-01 TRANSISTOR KTC5242
Q112 6-550-608-01 TRANSISTOR KTA1962
Q113 6-550-329-01 TRANSISTOR KTC3875GR
Q114 8-729-034-50 TRANSISTOR KTA1504
Q201 8-729-202-38 TRANSISTOR 2SC3326N-A
Q202 6-550-329-01 TRANSISTOR KTC3875GR
Q203 6-550-329-01 TRANSISTOR KTC3875GR
Q204 8-729-034-50 TRANSISTOR KTA1504
Q205 8-729-037-03 TRANSISTOR KTA1266GR-AT
Q206 8-729-036-90 TRANSISTOR KTC3198BL-AT
Q207 8-729-119-78 TRANSISTOR 2SC2785-HFE
Q208 8-729-034-50 TRANSISTOR KTA1504
Q209 8-729-052-04 TRANSISTOR KTD600K
Q210 8-729-052-03 TRANSISTOR KTB631K
Q211 6-550-609-01 TRANSISTOR KTC5242
Q212 6-550-608-01 TRANSISTOR KTA1962
Q213 6-550-329-01 TRANSISTOR KTC3875GR
Q214 8-729-034-50 TRANSISTOR KTA1504
< RESISTOR >
R1 1-216-150-11 RES-CHIP 10 5% 1/8W
R2 1-216-150-11 RES-CHIP 10 5% 1/8W
R3 1-216-150-11 RES-CHIP 10 5% 1/8W
R4 1-216-150-11 RES-CHIP 10 5% 1/8W
R5 1-216-057-00 METAL CHIP 2.2K 5% 1/10W
R6 1-216-057-00 METAL CHIP 2.2K 5% 1/10W
R7 1-216-091-00 METAL CHIP 56K 5% 1/10W
R8 1-216-091-00 METAL CHIP 56K 5% 1/10W
MAIN
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

17
XM-280GTX
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
MAIN
R9 1-216-061-11 RES-CHIP 3.3K 5% 1/10W
R10 1-216-049-11 RES-CHIP 1K 5% 1/10W
R11 1-216-049-11 RES-CHIP 1K 5% 1/10W
R12 1-216-073-00 RES-CHIP 10K 5% 1/10W
R13 1-216-166-00 RES-CHIP 47 5% 1/8W
R14 1-216-049-11 RES-CHIP 1K 5% 1/10W
R16 1-216-166-00 RES-CHIP 47 5% 1/8W
R17 1-216-049-11 RES-CHIP 1K 5% 1/10W
R18 1-216-049-11 RES-CHIP 1K 5% 1/10W
R19 1-216-182-00 RES-CHIP 220 5% 1/8W
R20 1-216-182-00 RES-CHIP 220 5% 1/8W
R21 1-216-057-00 METAL CHIP 2.2K 5% 1/10W
R22 1-216-057-00 METAL CHIP 2.2K 5% 1/10W
R23 1-216-073-00 RES-CHIP 10K 5% 1/10W
R24 1-216-073-00 RES-CHIP 10K 5% 1/10W
R25 1-216-202-00 RES-CHIP 1.5K 5% 1/8W
R26 1-216-202-00 RES-CHIP 1.5K 5% 1/8W
R27 1-216-037-00 METAL CHIP 330 5% 1/10W
R28 1-216-061-11 RES-CHIP 3.3K 5% 1/10W
R29 1-216-061-11 RES-CHIP 3.3K 5% 1/10W
R30 1-216-085-11 RES-CHIP 33K 5% 1/10W
R31 1-216-073-00 RES-CHIP 10K 5% 1/10W
R32 1-216-049-11 RES-CHIP 1K 5% 1/10W
R33 1-216-096-00 RES-CHIP 91K 5% 1/10W
R34 1-216-073-00 RES-CHIP 10K 5% 1/10W
R35 1-216-051-00 METAL CHIP 1.2K 5% 1/10W
R36 1-216-097-11 RES-CHIP 100K 5% 1/10W
R37 1-216-081-00 METAL CHIP 22K 5% 1/10W
R38 1-216-079-00 METAL CHIP 18K 5% 1/10W
R39 1-216-103-00 METAL CHIP 180K 5% 1/10W
R40 1-216-049-11 RES-CHIP 1K 5% 1/10W
R41 1-216-121-11 RES-CHIP 1M 5% 1/10W
R43 1-216-051-00 METAL CHIP 1.2K 5% 1/10W
R44 1-216-049-11 RES-CHIP 1K 5% 1/10W
R45 1-216-065-11 RES-CHIP 4.7K 5% 1/10W
R46 1-216-049-11 RES-CHIP 1K 5% 1/10W
R51 1-216-073-00 RES-CHIP 10K 5% 1/10W
R52 1-216-061-11 RES-CHIP 3.3K 5% 1/10W
R53 1-216-073-00 RES-CHIP 10K 5% 1/10W
R54 1-216-073-00 RES-CHIP 10K 5% 1/10W
R55 1-216-073-00 RES-CHIP 10K 5% 1/10W
R56 1-216-083-00 METAL CHIP 27K 5% 1/10W
R57 1-216-065-11 RES-CHIP 4.7K 5% 1/10W
R58 1-216-073-00 RES-CHIP 10K 5% 1/10W
R59 1-216-073-00 RES-CHIP 10K 5% 1/10W
R60 1-216-073-00 RES-CHIP 10K 5% 1/10W
R61 1-216-073-00 RES-CHIP 10K 5% 1/10W
R62 1-216-121-11 RES-CHIP 1M 5% 1/10W
R63 1-216-121-11 RES-CHIP 1M 5% 1/10W
R64 1-216-053-00 METAL CHIP 1.5K 5% 1/10W
R67 1-216-053-00 METAL CHIP 1.5K 5% 1/10W
R69 1-216-238-11 RES-CHIP 47K 5% 1/8W
R70 1-216-091-00 METAL CHIP 56K 5% 1/10W
R71 1-216-091-00 METAL CHIP 56K 5% 1/10W
R72 1-249-421-11 CARBON 2.2K 5% 1/4W
R101 1-216-081-00 METAL CHIP 22K 5% 1/10W
R102 1-216-081-00 METAL CHIP 22K 5% 1/10W
R103 1-216-081-00 METAL CHIP 22K 5% 1/10W
R104 1-216-081-00 METAL CHIP 22K 5% 1/10W
R108 1-216-079-00 METAL CHIP 18K 5% 1/10W
R109 1-216-079-00 METAL CHIP 18K 5% 1/10W
R113 1-216-073-00 RES-CHIP 10K 5% 1/10W
R114 1-216-033-00 METAL CHIP 220 5% 1/10W
R115 1-216-073-00 RES-CHIP 10K 5% 1/10W
R116 1-216-073-00 RES-CHIP 10K 5% 1/10W
R117 1-216-204-00 RES-CHIP 1.8K 5% 1/8W
R118 1-216-216-00 RES-CHIP 5.6K 5% 1/8W
R119 1-216-077-11 RES-CHIP 15K 5% 1/10W
R120 1-216-053-00 METAL CHIP 1.5K 5% 1/10W
R121 1-216-053-00 METAL CHIP 1.5K 5% 1/10W
R122 1-216-077-11 RES-CHIP 15K 5% 1/10W
R123 1-216-053-00 METAL CHIP 1.5K 5% 1/10W
R124 1-216-053-00 METAL CHIP 1.5K 5% 1/10W
R125 1-216-025-11 RES-CHIP 100 5% 1/10W
R126 1-216-025-11 RES-CHIP 100 5% 1/10W
R127 1-216-097-11 RES-CHIP 100K 5% 1/10W
R128 1-216-097-11 RES-CHIP 100K 5% 1/10W
R129 1-218-691-11 FILM CHIP 910 0.5% 1/10W
R130 1-218-680-11 FILM CHIP 330 0.5% 1/10W
R131 1-216-063-00 RES-CHIP 3.9K 5% 1/10W
R132 1-216-182-00 RES-CHIP 220 5% 1/8W
R133 1-216-142-00 RES-CHIP 4.7 5% 1/8W
R134 1-216-142-00 RES-CHIP 4.7 5% 1/8W
R135 1-243-979-11 METAL OXIDE 0.1 5% 2W F
R136 1-243-979-11 METAL OXIDE 0.1 5% 2W F
R137 1-216-063-00 RES-CHIP 3.9K 5% 1/10W
R138 1-216-049-11 RES-CHIP 1K 5% 1/10W
R139 1-216-073-00 RES-CHIP 10K 5% 1/10W
R140 1-216-111-00 METAL CHIP 390K 5% 1/10W
R141 1-216-158-00 RES-CHIP 22 5% 1/8W
R142 1-216-158-00 RES-CHIP 22 5% 1/8W
R143 1-216-158-00 RES-CHIP 22 5% 1/8W
R144 1-216-158-00 RES-CHIP 22 5% 1/8W
R148 1-216-097-11 RES-CHIP 100K 5% 1/10W
R201 1-216-081-00 METAL CHIP 22K 5% 1/10W
R202 1-216-081-00 METAL CHIP 22K 5% 1/10W
R203 1-216-081-00 METAL CHIP 22K 5% 1/10W
R204 1-216-081-00 METAL CHIP 22K 5% 1/10W
R208 1-216-079-00 METAL CHIP 18K 5% 1/10W
R209 1-216-079-00 METAL CHIP 18K 5% 1/10W
R213 1-216-073-00 RES-CHIP 10K 5% 1/10W
R214 1-216-033-00 METAL CHIP 220 5% 1/10W
R215 1-216-073-00 RES-CHIP 10K 5% 1/10W
R216 1-216-073-00 RES-CHIP 10K 5% 1/10W
R217 1-216-204-00 RES-CHIP 1.8K 5% 1/8W
R218 1-216-216-00 RES-CHIP 5.6K 5% 1/8W
R219 1-216-077-11 RES-CHIP 15K 5% 1/10W
R220 1-216-053-00 METAL CHIP 1.5K 5% 1/10W
R221 1-216-053-00 METAL CHIP 1.5K 5% 1/10W
R222 1-216-077-11 RES-CHIP 15K 5% 1/10W
R223 1-216-053-00 METAL CHIP 1.5K 5% 1/10W
R224 1-216-053-00 METAL CHIP 1.5K 5% 1/10W
R225 1-216-025-11 RES-CHIP 100 5% 1/10W
R226 1-216-025-11 RES-CHIP 100 5% 1/10W
R227 1-216-097-11 RES-CHIP 100K 5% 1/10W
R228 1-216-097-11 RES-CHIP 100K 5% 1/10W
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

18
XM-280GTX
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
MAIN
R229 1-218-691-11 FILM CHIP 910 0.5% 1/10W
R230 1-218-680-11 FILM CHIP 330 0.5% 1/10W
R231 1-216-063-00 RES-CHIP 3.9K 5% 1/10W
R232 1-216-182-00 RES-CHIP 220 5% 1/8W
R233 1-216-142-00 RES-CHIP 4.7 5% 1/8W
R234 1-216-142-00 RES-CHIP 4.7 5% 1/8W
R235 1-243-979-11 METAL OXIDE 0.1 5% 2W F
R236 1-243-979-11 METAL OXIDE 0.1 5% 2W F
R237 1-216-063-00 RES-CHIP 3.9K 5% 1/10W
R238 1-216-049-11 RES-CHIP 1K 5% 1/10W
R239 1-216-073-00 RES-CHIP 10K 5% 1/10W
R240 1-216-111-00 METAL CHIP 390K 5% 1/10W
R241 1-216-158-00 RES-CHIP 22 5% 1/8W
R242 1-216-158-00 RES-CHIP 22 5% 1/8W
R243 1-216-158-00 RES-CHIP 22 5% 1/8W
R244 1-216-158-00 RES-CHIP 22 5% 1/8W
R245 1-216-097-11 RES-CHIP 100K 5% 1/10W
RB102 1-216-073-00 RES-CHIP 10K 5% 1/10W
RB103 1-216-085-11 RES-CHIP 33K 5% 1/10W
RB104 1-216-069-00 METAL CHIP 6.8K 5% 1/10W
RB105 1-216-069-00 METAL CHIP 6.8K 5% 1/10W
RB202 1-216-073-00 RES-CHIP 10K 5% 1/10W
RB203 1-216-085-11 RES-CHIP 33K 5% 1/10W
RB204 1-216-069-00 METAL CHIP 6.8K 5% 1/10W
RB205 1-216-069-00 METAL CHIP 6.8K 5% 1/10W
< SWITCH >
SW1 1-553-725-00 SWITCH, SLIDE (FILTER)
< CONNECTOR >
*T1 1-691-785-11 PIN, CONNECTOR (PC BOARD) 4P
(HIGH LEVEL INPUT)
< DC/DC CONVERTER >
T3 1-439-758-11 TRANSFORMER, DC/DC CONVERTER
< TERMINAL BOARD >
TER1 1-780-020-11 TERMINAL BOARD (3P+FUSE) (REM,+12V,GND)
TER2 1-694-985-11 TERMINAL BOARD (SPEAKER OUT)
< THERMISTOR >
TH1 1-808-877-11 THERMISTOR
TH2 1-804-497-21 THERMISTOR, CHIP
TH3 1-804-497-21 THERMISTOR, CHIP
< VARIABLE RESISTOR >
VR1 1-225-648-12 RES, VAR, CARBON 5KX2 (LEVEL)
VR2 1-225-648-12 RES, VAR, CARBON 5KX2 (LOW BOOST (40Hz))
VR3 1-225-647-11 RES, VAR, CARBON 20KX4 (FILTER)
< DIODE >
ZD1 8-719-160-65 DIODE RD16F-B2
ZD2 8-719-160-65 DIODE RD16F-B2
ZD3 8-719-109-97 DIODE RD6.8ES-B2
ZD4 8-719-160-67 DIODE RD18F-B1
ZD5 8-719-109-97 DIODE RD6.8ES-B2
*************************************************************
MISCELLANEOUS
***************
FUSE1 1-532-947-11 FUSE (BLADE TYPE) (AUTO FUSE) (30A)
*************************************************************
ACCESSORIES
************
3-252-459-11 MANUAL, INSTRUCTION (ENGLISH,FRENCH)
3-252-459-21 MANUAL, INSTRUCTION (GERMAN,ITALIAN)
(AEP,UK,E)
3-252-459-31 MANUAL, INSTRUCTION (SPANISH,
TRADITIONAL CHINESE) (AEP,UK,E)
3-252-459-41 MANUAL, INSTRUCTION (PORTUGUESE,DUTCH)
(AEP,UK,E)
3-252-459-51 MANUAL, INSTRUCTION (SWEDISH,POLISH)
(AEP,UK,E)
3-252-459-61 MANUAL, INSTRUCTION (GREEK,RUSSIAN)
(AEP,UK,E)
*************************************************************
PARTS FOR INSTALLATION AND CONNECTIONS
***************************************
101 3-367-410-01 SCREW (DIA.5X15), TAPPING
(MOUNTING SCREW)
102 1-690-779-31 CORD (WITH CONNECTOR) (0.2m)
103 3-253-111-01 COVER (POWER)
101 102 103
0.2 m
φ5 ×15
(× 4)
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

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MEMO
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http://www.xiaoyu163.com
http://www.xiaoyu163.com

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XM-280GTX
REVISION HISTORY
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Ver. Date Description of Revision
1.0 2003. 01 New
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http://www.xiaoyu163.com
http://www.xiaoyu163.com