Sony CMT-M373NT / HCD-M373 Service Manual ▷ View online
81
HCD-M373
– DIGITAL Board –
IC701 AK4584VQ
28
27
26
LRCK
BICK
SDTI
25
24
23
SDTO
MCKO2
MCKO1
32
31
30
LOUT
VCOM
DZF
29 M/S
33 ROUT
6
7
8
INT0
INT1
CDTI
9
10
11
CDTO
CCLK
CSN
2
3
4
RX3
NC
RX4
5
PDN
1
TEST2
17
18
19
DVDD
DVSS
TVDD
20
21
22
TXO
TXI
DMCK
13
14
15
TX1
TX2
XTALE
16
TX3
12
TEST3
39
38
37
PVDD
LIN
RIN
36
35
34
VREF
AVDD
AVSS
43
42
41
TEST1
RX1
PVSS
40
R
44
RX2
X'TAL
OSC
MCLK
SELECTOR
DIVIDER
AUDIO
INTERFACE
CONTROL
REGISTER
DIT
DATT
SMUTE
DAC
ADC
DATT
HPF
DIR
IPGA
SBM
T_LRCK
T_BICK
T_DATA
T_MCLK
T_BICK
T_DATA
T_MCLK
R_LRCK
R_BICK
R_DATA
R_MCLK
R_BICK
R_DATA
R_MCLK
D_LRCK
D_BICK
D_DATA
D_MCLK
D_BICK
D_DATA
D_MCLK
A_LRCK
A_BICK
A_DATA
A_MCLK
A_BICK
A_DATA
A_MCLK
S_LRCK
S_BICK
S_DATAI
S_DATAO
S_BICK
S_DATAI
S_DATAO
MCKI
IC705 CXD1875TQ
37
38
39
40
41
42
43
44
45
46
47
48
CPU_CK
CPU_SO
CPU_SI
VDEC0
PLLSW
VSC3
CPU_XCS
CPU_INT
RESET
VSC4
VDC2
TEST3
TEST2
1
2
3
4
5
6
7
8
9
10
11
12
EXT_IF1
EXT_IF0
VSC0
DSP_IF0
DSP_IF1
VDEA0
DSP_IF2
DSP_IF3
VDC0
DSP_CLK
TEST0
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
XTAL
EXTAL
PLLVSS
USB_SW
PLLVDD
USBVDD
DM
DP
USBVSS
USB_EN
PLLTHRU
TEST1
DNK_RS
VSC2
DNK_ST
DNK_SI
DNK_SO
VDEA1
VDC1
VSC1
DNK_CK
DNK_CS
EXT_IF2
EXT_IF3
PLL
RAM
RAM
MGR
KEY
CONTROL
USB
AUDIO
82
HCD-M373
+
–
–
+
–
–
3
4
5
6
2
8
7
1
VCC
NC
NC
NC
RESET
GND
CD
INT
INTERRUPT
SIGNAL
GENERATOR
RESET
SIGNAL
GENERATOR
COM
R1
R2
R3
R4
COM
6
CLR
7
PR
8
VCC
5
Q
R
S
Q
3
Q
2
D
4
GND
1
CK
Q
D
C
IC753 TC7WH74FU(TE12R)
IC781 LB1830M-S-TE-L
1
LOGIC
PREDRIVER
VREF
2
3
4
5
10
9
8
7
6
IN2
IN1
VM
VREF
VCONT
VCC
OUT2
GND
OUT1 VS
IC721 M62016FP-E1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
ADC
DAC
PLL(X8)
USB SIE
XCVR
FIFO
FIFO
TRACKER
(SPACT)
HID
END-POINT
ISO-OUT
END-POINT
ISO-IN
END-POINT
POWER
MANAGER
CONTROL
END-POINT
SELECTOR
S/PDIF ENCODER
S/PDIF DECODER
ANALOG
PLL
ANALOG
PLL
USB
PROTOCOL
CONTROLLER
96MHz
D+
D–
VBUS
D+
D–
DGNDU
HID0
HID1
HID2
HID0
HID1
HID2
HID1
HID2
SEL0
SEL1
SEL0
SEL1
SEL1
VCCC
AGNDG
VINL
VINR
VCOM
VINL
VINR
VCOM
SSPND
VDD
DGND
DOUT
DIN
VCCX
AGNDX
XTI
XTO
XTI
XTO
VCCP2
AGNDP
VCCP1
VOUTL
VOUTR
VOUTL
VOUTR
LOCK
IC706 PCM2903EG/2K
83
HCD-M373
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
IC220 BA6956AN
– MAIN Board –
IC102 LC75342
84
HCD-M373
6-26. IC PIN FUNCTION DESCRIPTION
• IC101 M30622MGN-B16FP SYSTEM CONTROL (MAIN Board)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
I/O
O
I
O
I
O
O
O
—
—
I
O
I
O
—
I
—
I
I
I
I
O
O
O
O
I
O
O
O
I/O
I/O
O
I
O
I
O
O
O
I
O
O
O
O
O
O
O
O
O
O
O
I
Pin Name
LCD ON
ST-RDS-DATA
LCD-RST
SIRCS-IN-WAKE
LCD-DATA
LCD-CS
LCD-CLK
BYTE
CNVSS
XCIN
XCOUT
RESET
XOUT
VSS
XIN
VCC
NMI
ST-RDS-CLK
CD-SCOR
AC-CUT
ST-MUTE
ST-CE
ST-DATA-OUT
CD-PWM3
ST-DATA-IN
CD-PWM2
ST-CLK
CD-PWM1
IIC-CLK
IIC-DATA
TXD1
CD-SQSO
CD-SQCLK
ST-STEREO
CD-DATA
CD-XLT
CD-CLK
TC-PLAY-SW
32K-OUT
TC-MUTE
TC-REC-MUTE
TC-BIAS
TC-PB-REC
LED-STANDBY
AD RESETSM-INT
NSP-MUTE
SM-CS
SM DRVRST
AD CS
HP-DET
Description
LCD display power supply control signal output
RDS data input
LCD reset signal output
SIRCS signal input
LCD data output
LCD chip select signal output
LCD clock output
External data bus width selection signal input (connected to the ground)
Processor mode selection signal input (fixed at “L”)
Sub clock input
Sub clock output
System reset signal input
Main system clock output
Ground terminal
Main system clock input(16MHz)
Power supply (+3.3V)
Not used (fixed at “H”)
RDS clock input
CD Q-data request signal input
AC cut detection signal input (“L” : AC cut, “H” : normal)
Tuner muting signal output
Tuner chip enable signal output
Tuner data output
PWM3 signal output
Tuner data input
PWM2 signal output
Tuner clock output
PWM1 signal output
IIC communication clock input/output
IIC communication data input/output
Not used (open)
SQSO signal input
Clock output for serial data reading
STEREO signal input from the tuner
Serial data output
Serial data latch signal output
Clock output for serial data transfer
TC play switch signal inpvut
32kHz clock output (open)
TC line muting signal output (“H” : muting on, “L” : muting off)
TC recording muting signal output (“L” : muting on, “H” : muting off)
BIAS on/off control signal output (“L” : bias on, “H” : bias off)
TC record/playback control signal output (“L” : playback, “H” : record)
STANDBY LED control signal output
Not used (open)
Not used (open)
Not used (open)
Not used (open)
Not used (open)
Headphone detection signal input
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