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Publicado: 2 de abril de 2012
SERVICE MANUAL
Canadian Model
AEP Model
UK Model
E Model
Ver 1.1 2002. 03
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 – 8Ω (when used as a bridging amplifier)
Maximum outputs
100 W × 2 (at 4 Ω)
222 W (BTL, at 4 Ω)
Rated outputs (supply voltage at 14.4 V)
35 W × 2 (20 Hz – 20 kHz, 0.04% THD, at 4 Ω)
40 W × 2 (20 Hz – 20 kHz, 0.1% THD, at 2 Ω)
80 W (Monaural) (20 Hz – 20 kHz, 0.1% THD,
at 4 Ω)
Frequency response
5 Hz – 80 kHz ( +0 dB)
–3
Harmonic distortion
0.005% or less (at 1 kHz, 4 Ω, 10 W)
Low-passfilter
80 Hz, –18 dB/oct
Power requirements
12 V DC car battery
(negative ground)
Power supply voltage 10.5 – 16 V
Current drain
at rated output : 12 A (4 Ω, 35 W × 2)
Remote input : 1.5 mA
Dimensions
Approx. 205 × 55 × 158 mm (w/h/d) not incl.
projecting parts and controls
Mass
Approx. 1.6 kg 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.
STEREO POWER AMPLIFIER
9-873-557-02
Sony Corporation
2002C0400-1
© 2002. 03
e Vehicle Company
Published by Sony Engineering Corporation
1
XM-222MK2
SECTION 3
DIAGRAMS
3-1. BLOCK DIAGRAM
PRE AMP
IC801 (1/2)
-1
LPF
IC802 (1/2)
GAIN CONTROL
AMP
IC803 (1/2)
6
-1
L (BTL)7
5
7
5
5
6
S801-1
LPF
(80Hz)
7
DIFFERENTIAL
AMP
Q102
SWITCH
Q101
DRIVE AMP
Q104
DRIVE AMP
Q108
BIAS
Q106,107
OFF
CNJ801
INPUT
DIFFERENTIAL
AMP
Q103
PRE AMP
IC801 (2/2)
LPF
IC802 (2/2)
1
3
1
2
3
2
S801-2
LPF
(80Hz)
CNJ802
HI LEVEL
R
B(-14.6V)
1
DIFFERENTIAL
AMP
Q202
SWITCH
Q201
DRIVE AMP
Q204DRIVE AMP
Q208
BTL
POWER AMP
Q210
R
BIAS
Q206,207
OFF
DIFFERENTIAL
AMP
Q203
DRIVE AMP
Q205
DRIVE AMP
Q209
OVERLOAD
DET
Q212
POWER AMP
Q211
15V REG
Q951,952,
D953
PROTECTOR
Q802
DC DET
4 IC851 2
-15V REG
Q953,954,
D954
RECT
D951,952
DC-DC CONVERTER
TRANSFORMER
T901
INVERTER
Q903
1
ERROR
INVERTER
Q904
LD801
POWER/PROTECTOR
2
10
F901
20A
B+
SWITCH
Q902
12
9
B+
(26.2V)
B(-26.2V)
OVERLOAD
DET
Q112
POWER AMP
Q111
OFFSET
DET
Q852,853
MUTE
Q851
B+
(14.6V)
DRIVE AMP
Q109
VR801-2
LEVEL
ON
L
DRIVE AMP
Q105
GAIN CONTROL
AMP
IC803 (2/2)
3
-2
R
POWER AMP
Q110
L
VR801-1
LEVEL
ON
-2
CN802
SPEAKER
OUT
LED
DRIVE
Q803
3+12V
POWER
ON/OFF
Q901
REM
15
ERROR
GND
16
13
THERMAL
Q801
14
• Signal path
: AUDIO
DC-DC CONVERTER
IC901
TH801
D802
7
CN801
7
TH802
XM-222MK2
3-3. SCHEMATIC DIAGRAM • Refer to page 10 for IC Block Diagram and Common Note on Schematic Diagrams.
R114
R116
R118
D101
C856
Q108
Q104
C113
Q107
R124
C119 R138
R133Q110
R137
C120 R139
R122
R119
Q102
CNJ802
Q103
R129
R130
R125
R120
C219 R238
R126
Q106
C114
C220 R239
R237
C115
Q112
R128
C116
R123
R135
Q105
R127
C117
C118
C218
C217
R115
C854
R117
Q109
R121
D102
Q111
C104
C857
C112
CN802
C107
R101
C102 R102
C103
Q101
R105
R106 R107
IC802 (1/2)
IC801(1/2)
C853
C105
C108
R108
C110
R109
VR801
R110
R208
R209
R111
R210
R211
R213
Q207
R224
C211
R205 C209
Q212
R229
C216
R230
R225
Q201
R226
Q206
C214
R235
R228
R223
R220
C207
Q205
R203
R227
R212
C855
R233
C215
R222
R219
Q202
Q203
IC803 (2/2)
IC802 (2/2)
C203
C202 R202...
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