CDX-S2250

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CDX-S2250/S2250S
SERVICE MANUAL
AEP Model
UK Model
Ver. 1.0 2004.11
• The tuner and CD sections have no adjustments.
Model Name Using Similar Mechanism
NEW
CD Drive Mechanism Type
MG-611TA-186//K
Optical Pick-up Name
KSS1000E
SPECIFICATIONS
CD Player section
Signal-to-noise ratio:
Power amplifier section
Outputs: Speaker outputs (sure seal connectors)
Speaker impedance: 4 – 8 ohms
Maximum power output: 50 W × 4 (at 4 ohms)
120 dB
Frequency response:
10 – 20,000 Hz
Wow and flutter:
Below measurable limit
Tuner section
FM
Tuning range: 87.5 – 108.0 MHz
Aerial terminal: External aerial connector
Intermediate frequency: 10.7 MHz/450 kHz
Usable sensitivity: 9 dBf
Selectivity: 75 dB at 400 kHz
Signal-to-noise ratio: 67 dB (stereo), 69 dB (mono)
Harmonic distortion at 1 kHz:
0.5 % (stereo), 0.3 % (mono)
General
Outputs:
Audio outputs terminal (rear/sub switchable)
Power aerial relay control terminal
Power amplifier control terminal
Inputs:
Telephone ATT control terminal
Aerial input terminal
Tone controls:
Low: ±10 dB at 60 Hz (XPLOD)
Mid: ±10 dB at 1 kHz (XPLOD)
High: ±10 dB at 10 kHz (XPLOD)
Power requirements:
12 V DC car battery (negative earth)
Separation:
35 dB at 1 kHz
Dimensions:
Approx. 178 × 50 × 178 mm (w/h/d)
Frequency response:
30 – 15,000 Hz
Mounting dimensions:
Approx. 182 × 53 × 161 mm (w/h/d)
Mass:
Approx. 1.2 kg
MW/LW
Tuning range:
Supplied accessories:
Parts for installation and connections (1 set)
Front panel case (1)
MW: 531 – 1,602 kHz
LW: 153 – 279 kHz
Aerial terminal:
External aerial connector
Design and specifications are subject to change
without notice.
Intermediate frequency:
10.7 MHz/450 kHz
Sensitivity:
MW: 30 µV, LW : 40 µV
FM/MW/LW COMPACT DISC PLAYER
Sony Corporation
e Vehicle Company
Published by Sony Engineering Corporation
9-879-324-01
2004K0479-1
© 2004.11
CDX-S2250/S2250S
SECTION 3
DIAGRAMS
3-1. BLOCK DIAGRAM – CD SECTION –
• R-ch is omitted due to same as L-ch.
• Signal Path
: CD PLAY
DETECTOR
PD1
PD2
MAIN
SECTION
RFO
A
96
FPI2
RFEQO
79
77 RFI
78
RFRPI
87
85 AGCI
86
RFDCI
LO
30
CD-L
PD2
(Page 14)
PD1
RO
27
R-CH
94
FNI2
97
FPI1
95
FNI1
RF AMP,DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
IC2
UNI SI
UNISI
56
RXD
25
E
UNISO
57
UNI SO
E
99
TNI
RFRP
3
1
RFZI
TXD
26
MAIN
SECTION
B
F
UNICKI
58
UNI CLK
BUS ON
B/U CHECK
F
(Page 14)
98
TPI
TEI
6
7
TEZI
BUS ON
50
MUTE
56
37
DEC XMUTE
BU IN
51
53
30
DEC INT
REQ
A ATT
60
ATT
43
27
DEC SSTBY
LASER DIODE
STBY
18
CD ZDET
ZDET
15
DISPLAY
SECTION
C
RSTX
75
SYS RST
AUTOMATIC
POWER
CONTROL
Q1
/RST
42
14
CD XRST
LD
(Page 15)
41
CD XCCE
91
LDO
92
/CCE
13
MDI
SYSTEM CONTROL
IC501 (1/3)
BUCK
40
12
CD BUCK
PD
LD
39
11
CD BUS3
BUS3
BUS2
38
10
CD BUS2
EJECT OK
61
89
EJECT OK SW
37
8
CD BUS1
BUS1
MON OUT
MECON
63
99
CDM ON
BUS0
36
7
CD BUS0
CDON
64
98
CD ON
SBSY
14
52
CD SBSY
ZMUTE
66
93
Z MUTE
CD
SYSTEM CONTROL
IC3
OPTICAL
PICK-UP BLOCK
(KSS1000E)
MECON CHK
67
MECHA+6V
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING
MOTOR DRIVE
IC1
CDON CHK
68
BU+3.3V
XI
23
81
X1
+1.5V REG
IC6
2-AXIS DEVICE
FCS+
FCS–
X2
16.934MHz
X1
12MHz
F0O
16
15
VO4–
VO4+
OPIN4– 26
OPOUT4 25
9
+1.5V ON/OFF
SWITCH
Q2,3
24
80
X0
XO
+1.5V
5
VOUT
VDD
1
BU+3.3V
(FOCUS)
(TRACKING)
CE
3
TRK+
TRK–
SW1
(DOWN)
46
MEC_DSW
18
17
10
TRO
VO3–
VO3+
OPIN3– 23
+1.5V
46
IO0(/HSO)
OPOUT3 22
SW2
(SELF)
53
MEC_SELFSW
12
FMO
14
13
VO1+
VO1–
OPOUT1
4
DECON
1
M902
(SLED)
M
13
DMO
OPIN2
7
SW3
(DISC IN)
45
MEC_INSW
12
11
MUTE 21
47 IO1(/UHSO)
SW4
(LIMIT)
VO2+
42
MEC_LIMIT
M901
(SPINDLE)
M
VO2–
10
9
VOL+
VOL–
M903
(LOADING)
M
FWD
REV
1
28
43
MEC LOAD
44
MEC EJECT
CDX-S2250/S2250S
13
13
  CDX-S2250/S2250S
3-2. BLOCK DIAGRAM – MAIN SECTION –
ELECTRONIC VOLUME
IC401
CD
SECTION
A
CD-L
9
CD LCH
J330
OUT SUB-L
OUT SUB-R
17
18
L
R
R-CH
8
CD RCH
(Page 13)
AUDIO OUT
R-CH
R-CH
POWER AMP,
POWER SUPPLY
IC750
MUTE
Q481
TU1
(TUNER UNIT)
CN601
J1
(ANTENNA)
1
9
L-CH
R-CH
1
ANT
4
3
7
TU LCH
OUT FL
23
12 IN FL
OUT FL+
OUT FL-
5
3
FL+
FL-
6
TU RCH
OUT RL
22
11 IN RL
2
OUT FR
OUT RR
25
24
R-CH (FRONT)
R-CH (REAR)
OUT RL+
OUT RL-
9
7
RL+
RL-
MUTE
Q441
MUTE
Q461
10
MUTE
29
VCC
10
AUDIO+8.3V
TU+5V
BU+3.3V
4
SCL
SDA
FR+
FR-
RR+
RR-
TU VDD
11
SCL
SDA
30
31
12
E2P VDD
15
D479
3
R-CH
MUTE DRIVE
Q478,479
BATT
11
SCL
SDA
5
6
TU-SCL
13
AMP-REM
29
27
AMP-REM
ANT-REM
14
TU-SDA
ANT-REM
SYSTEM CONTROL
IC501 (2/3)
FU601
SDA
SCL
16
SCL
SDA
2
SDA
I2C CKO
33
BATT
I2C SIO
D
571
4
SCL
34
S-METER
6
39 VSM
VOL ATT
9
TU MUTE
7
12 TU ATT
AUDIO8.3V
B.UP+B
30
37
AUDIO+8.3V
BU+3.3V
SERVO+3.3V
MECHA+6V
PANEL+B
ATT
86
E2P SCL
16
25 EEP CKO
24
EEP SIO
BEEP
5
16 BEEP
2
2 STB
25 DIAG
SERVO3.3V
MECHA6V
31
33
17
E2P SDA
AMP STB
26
8
53
TU ATT IN
38
DIAG
8
MUTE CONDITION
PANEL+B
34
QUALITY
5
QUALITY
NS MASK
CONTROL
Q22
BATT
35 VP
13
NS MASK
RDS DECODER
IC51
1
3
TEL MUTE
Q651
TEL ATT
74
TEL-MUTE
SCL
9
XTI
SCL
11
12
7
ACC CHECK
Q631
SDA
ACC IN
72
ACC
X51
8.664MHz
SDA
10
XTO
1
5
TEST IN
73
TEST
56
INTN
15
DAVN
9
16
MPX
D580,581
RDS
BATTERY CHECK
Q580-582
30
RDS ON
BU IN
54
BATT
VDDA
VDDD
1
7
+5V REG
Q1
TU+5V
AUDIO+8.3V
RDS POWER
CONTROL
Q51
• R-CH is omitted due to same as L-CH.
BU+3.3V
• Signal Path
: CD PLAY
: FM
: MW/LW
UNI SI
UNI SO
UNI CLK
BUS ON
B/U CHECK
58
UNI SI
59
UNI SO
60
UNI SCK
CD
SECTION
B
87
BUS ON
54
BU IN
(Page 13)
ATT
CDX-S2250/S2250S
14
14
  CDX-S2250/S2250S
• Circuit Boards Location
3-3. BLOCK DIAGRAM – DISPLAY SECTION –
SYSTEM CONTROL
IC501 (3/3)
LCD DRIVER
IC901
SERVO board
SENSOR board
KEYIN0
41
KEY MATRIX
4
|
5
•
55
51
|
54
S1
LSW901-921
LCD901
LIQUID
CRYSTAL
DISPLAY
PANEL
LCD SO
LCD CKO
LCD CE
28
29
27
64
DI
40
KEYIN1
|
63
CL
CLK
CE
S48
D503
62
CE
COM4
|
KEY ACK ON
Q664
COM1
KEY ACK
52
DIMMER
PANEL+B
1
76
XKEY ON
LED931,932
(
)
LCD BACK
LIGHT
tuner unit
(TU1)
LED951,952
LSW901-921
MAIN board
KEY board
Q921
LED
CONTROL
7
NOSE DET
D510
CD
SECTION
C
SYS RST
88
SYS RST
(Page 13)
RESET
IC602
IR RECEIVER
IC971
BU+3.3V
2
VDD
VOUT
1
77
RESET
IR
SIRCS
64
2
OUT
S702
RESET
OSC IN
82
79
XOUT
X501
18.432MHz
X502
32.678kHz
OSC OUT
83
80
XIN
CDX-S2250/S2250S
15
15
  CDX-S2250/S2250S
• NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
•
Waveforms
— SERVO Board —
(CD PLAY)
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
— MAIN Board —
1
IC2
4
(FEI)
5
IC2
of
(FNI2),
og
(FNI1)
1
IC51
0
(XTO)
For schematic diagrams.
Note:
• All capacitors are in
µ
F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
C
: panel designation.
For printed wiring boards.
Note:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
a
: Through hole.
• : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
0 V
1.5 Vp-p
1.6Vp-p
Approx. 100 mVp-p
8.664MHz
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
50 mV/DIV, 5 msec/DIV
0.5 V/DIV, 0.5
µ
sec/DIV
pattern face are indicated.
Note:
The components identified by mark
0
or dotted line with
mark
0
are critical for safety.
Replace only with part number specified.
Parts face side:
Parts on the parts face side seen from the
2
IC2
6
(TEI)
6
IC2
oh
(FPI2),
2
IC501
i;
(XOUT)
oj
(FPI1)
(Side A)
parts face are indicated.
C
0 V
1.5 Vp-p
1.4Vp-p
•
A
: B+ Line.
•
B
: B– Line.
•
H
: adjustment for repair.
•Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• CD mechanism section (1/2), (2/2)
no mark : CD PLAY
• Main (1/4), (2/4), (3/4), (4/4) and Display sections
no mark : FM
( ) : AM/MW/LW
< > : CD PLAY
∗
: Impossible to measure
•Voltages are taken with a VOM (Input impedance 10 M
Ω
).
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.
J
: CD PLAY
F
: FM
f
: MW/LW
Q
These are omitted
Approx. 400 mVp-p
B
E
32.678kHz
200 mV/DIV, 5 msec/DIV
0.5 V/DIV, 0.5
µ
sec/DIV
3
IC501
id
(OSC IN)
3
IC2
wd
(XI)
7
IC3
ia
(X1)
B
E
C
These are omitted
0.6 Vp-p
1.1 Vp-p
1.2Vp-p
E
C
B
16.9344 MHz
12 MHz
18.432MHz
These are omitted
0.2 V/DIV, 0.2
µ
sec/DIV
0.5 V/DIV, 0.2
µ
sec/DIV
4
IC2
uj
(RFI)
Approx.
1Vp-p
0.5 V/DIV, 0.5
µ
sec/DIV
CDX-S2250/S2250S
16
16
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