Sony CDX-S2250 / CDX-S2250S Service Manual ▷ View online
29
CDX-S2250/S2250S
IC1
BA5968FP-E2
1
2
11
13
14
12
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
MUTE
FWD
FWD
LDCTL
NC
OPOUT1
NC
NC
OPOUT2
POWVCC
VCC
VOL–
VOL+
VOL2–
VOL2+
VO1–
VO1+
REV
OPIN4+
OPIN4–
OPOUT4
OPIN3+
OPIN3–
OPOUT3
MUTE
VOL+
GND
VOL3–
VOL3+
VOL4–
VOL4+
REV
OUTR OUTF
10
9
8
7
6
5
28
27
26
25
24
23
22
21
20
19
18
17
16
15
4
3
76
77
EFM SLICE
79
78
82
83
84
88
RFRP
VCO
SLCO
RFI
RFRPI
REFQO
RESIN
VRO
VMDIR
TESTR
INVSEL
AGCI
RFDCI
RFO
PNSEL
EQSET
RVDD3
LDO
MDI
RVSS3
FNI2
FNI1
FPI2
FPI1
TPI
TNI
FTE
RFZI
AVSS3
RFRP
FEI
SBAD/RFDC
TEI
TEZI
AVDD3
FOO
TRO
VREF
FMO
DMO
SBSY
SBOK
IPF
SFSY
GPIN
VDD15
ZDET
VSS15
XVSS3
XI
XO
XVDD3
PVSS3
VCOREF
VCOF
PVREF
LPFO
LPFN
TMAX
PDO
PVDD3
AWRC
VSS15
VDD15
LRCKI
BCKI
AIN
LRCKO
BCKO
DOUT
PIO3
AOUT
PIO2
PIO1
PIO0
TESTC
VDDP
VCOI
VSSP
VSSP
TESTD
IO1
IO0
FGIN
VDDT
STBY
/RST
/CCE
BUCK
BUS3
BUS2
BUS2
BUS1
BUS0
VSS15
VDDM
VDD3
VSS3
DVSS3
VSS3
DVSS3
LO
DVR
DVDD3
RO
DVSS3
AUDIO
OUT
DIGITAL
OUT
PLL
TMAX
RFEQ
85
AGC
86
RFDC
87
RF
RAM
DIGITAL EQ
AUTO ADJ.
ROM
91
APC
92
94
FE
95
98
TE
99
100
2
1
3
5
4
6
7 8
9
10 11
12 13
20 21 22
14
15
16
17
19
18
96
97
80
VRO
81
89
90
93
23
ANA.
LPF
24
25
SYNC SIGNAL PROTECTION
EFM DEMODULATION
69
68
63 62 61
56 55 54 53
50
45
44
43
41
40
39
38
37
36
35
34
33
32
32
31
30
29
28
27
26
42
49
48
46
47
60 59 58
57
52 51
66
65 64
67
70
74
75
73
1-BIT
DAC
CLOCK
GEN.
PWM
SUBCODE
DEMODULATION
CIRCUIT
16K
RAM
ADDRESS CIRCUIT
CPU
I/F
CORRRECTION
CIRCUIT
5-BIT
R-2R DAC
SERVO
CONTROL
10-BIT
SAR ADC
72 71
CLV SERVO
CAV SERVO
AWRC
IC2
TC5968FP-E2
30
CDX-S2250/S2250S
• IC Pin Descriptions
IC3 MB90487APFV-G-131-BNDE1 (CD SYSTEM CONTROL) (SERVO BOARD (2/2))
Pin No.
Pin Name
I/O
Pin Description
1
NC
O
Servo 1.5 V power supply control signal output
2 to 6
NC
—
Not used. (Open)
7
CD BUS0
I/O
Bus data signal input/output 0
8
CD BUS1
I/O
Bus data signal input/output 1
9
VSS
—
Ground pin
10
CD BUS2
I/O
Bus data signal input/output 2
11
CD BUS3
I/O
Bus data signal input/output 3
12
CD BUCK
O
Bus clock signal output
13
CD XCCE
O
Chip enable signal output
14
CD XRST
O
Reset signal output
15
CD ZDET
I
Zero detection signal input
16 to 20
NC
—
Not used. (Open)
21
VCC
—
Power supply pin (+3.3 V)
22
DAC ZDETL
I
Zero data detection signal input (L-ch)
23
DAC ZDETR
I
Zero data detection signal input (R-ch)
24
NC
—
Not used. (Open)
25
RXD
I
UART RXD data signal input (MCBUS/Flash data input)
26
TXD
O
UART TXD data signal output (MCBUS/Flash data output)
27
DEC SSTBY
O
SRAM STANDBY mode control signal output
28, 29
NC
—
Not used. (Open)
30
DEC INT
I
Request signal input
31, 32
NC
—
Not used. (Open)
33
AVCC
—
Power supply pin (+3.3 V) for A/D converter
34
AVRH
—
External reference voltage for A/D converter
35
AVSS
—
Ground pin
36
NC
—
Not used. (Open)
37
DEC XMUTE
O
Mute signal output L: mute
38, 39
NC
—
Not used. (Open)
40
VSS
—
Ground pin
41
NC
—
Not used. (Open)
42
MEC LIMIT
I
Sled limit in detection switch signal input
43
MEC LOAD
O
Loading motor signal output (Load direction)
44
MEC EJECT
O
Loading motor signal output (Eject direction)
45
MEC INSW
I
Pack-in detection signal input
46
MEC DSW
I
Chucking end detection switch signal input
47, 48
MD0, MD1
I
CPU operation mode designation signal input (Connect to Vcc.)
49
MD2
I
CPU operation mode designation signal input (Connect to Vss.)
50
BUS ON
I
Bus on signal input L: bus on
51
BU IN
I
Backup on/off signal input H: backup on, L: backup off
52
CD SBSY
I
SUBQ sync signal input L: interruption
53
MEC SELFSW
I
Disc insert detection switch signal input L: disc in interruption
54, 55
NC
—
Not used. (Open)
56
UNISI
I
Serial data signal input
57
UNISO
O
Serial data signal output
58
UNICKI
I
Serial clock signal input
59
LINEOFF
O
Line off signal output
60
A ATT
O
Audio attenuation signal output H: ATT on
61
EJECT OK
I
Front panel open signal input H: eject
62
OPEN REQ
O
Front panel open/close request signal output H: open request
63
MECON
O
Mechanism deck power supply control signal output
64
CDON
O
Servo power supply control signal output
31
CDX-S2250/S2250S
Pin No.
Pin Name
I/O
Pin Description
65
XUART
I
Sony-Bus/MC-Bus change signal input H: Sony-Bus, L: MC-Bus
66
ZMUTE
O
Zero detection mute signal output
67
MECON CHK
I
MECON rising detection signal input
68
CDON CHK
I
CDON rising detection signal input
69 to 74
NC
—
Not used. (Open)
75
RSTX
I
System reset signal input
76
NC
—
Not used. (Open)
77
X1A
—
Sub-clock connect pin Not used in this set. (Open)
78
X0A
—
Sub-clock connect pin Not used in this set. (Connect to Vss.)
79
VSS
—
Ground pin
80
X0
I
Main-clock connect pin (12 MHz)
81
X1
O
Main-clock connect pin (12 MHz)
82
VCC
—
Power supply pin (+3.3 V)
83
XTS
I
Not used in this set. (Open)
84
XINIT3
I
Not used in this set. (Open)
85
NC
—
Not used. (Open)
86
XSJIG
I
Not used in this set. (Open)
87 to 89
XINIT0 to 2
I
Not used in this set. (Open)
90 to 97
NC
—
Not used. (Open)
98
XLINE
I
Not used in this set. (Open)
99, 100
NC
—
Not used. (Open)
32
CDX-S2250/S2250S
IC501 MB90487A11 (SYSTEM CONTROL) (MAIN BOARD (3/4))
Pin No.
Pin Name
I/O
Pin Description
1
AREA SEL2
I
Destination setting pin
2
AREA SEL1
I
Destination setting pin
3
AREA SEL0
I
Destination setting pin
4
COL SW
I
Illumination color select signal input
5
BEEP
O
Beep signal output
6
NCO
O
Not used
7
NOSE SW
I
Front panel open/close detect signal input
8
DIAG
I
Power AMP status signal input
9
VOL ATT
O
Electronic volume attenuate control signal output
10
NCO
O
Not used
11
VSS
—
Ground
12
TU ATT
O
Tuner mute control signal output
13
NS MASK
O
Noise mask signal output
14
ILLUMI SEL1
I
Illumination voltage setting pin
15
ILLUMI SEL2
I
Illumination voltage setting pin
16
NCO
O
Not used
17
NCO
O
Not used
18
NCO
O
Not used
19
NCO
O
Not used
20
NCO
O
Not used
21
NCO
O
Not used
22
NCO
O
Not used
23
VCC5
—
Power supply pin (+3.3V)
24
EEP SIO
I/O
EEPROM bus serial data input/output
25
EEP CKO
O
EEPROM bus serial clock output
26
AMP STB
O
Power AMP satandby signal output
27
LCD CE
O
LCD driver chip enable output
28
LCD SO
O
LCD driver serial data output
29
LCD SCK
O
LCD driver serial clock output
30
RDS ON
O
RDS ON signal output
31
NCO
O
Not used
32
NCO
O
Not used
33
I2C SCK
O
I2C bus serial clock output
34
I2C SIO
I/O
I2C bus serial data input/output
35
DAVDD
—
A/D converter power supply pin (+3.3V)
36
AVRH
—
A/D converter reference power supply pin (+3.3V)
37
DAVSS
—
Ground
38
QUALITY
I
Noise detect signal input
39
VSM
I
S-meter voltage detect signal input
40
KEY IN1
I
Key signal input
41
KEY IN0
I
Key signal input
42
VSS
—
Ground
43
RC IN0
I
Rotary commander key signal input
44
NCO
O
Not used
45
NCO
O
Not used
46
NCO
O
Not used
47
NCO
O
Not used
48
NCO
O
Not used
49
MD0
I
Operation mode setting pin
50
MD1
I
Operation mode setting pin
51
MD2
I
Operation mode setting pin
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