Sony CMT-M373NT / HCD-M373 Service Manual ▷ View online
85
HCD-M373
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94, 95
96
97
98
99
100
I/O
O
I
I
O
O
I
I
O
O
O
O
—
O
—
O
O
O
O
I
I
I
I
I
I
I
I
I
O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
I
—
I
—
—
I
Pin Name
LED-LCD-BL
VOL-B
VOL-A
CD-LDON
CD-1-4
CD-SENS
ST-TUNED
TC-TRIG-B
TC-CAPM-CONT
CD-XRST
CD-1-2
VCC
SOFT-TEST
VSS
CD-BD-PWR
SP-RELAY
CD-LOAD-OUT
CD-LOAD-IN
CD-OUTSW
CD-INSW
BASS-A
BASS-B
USB CHECK
KEY-WAKE-UP
PCLK-PWR
TREBLE-A
TREBLE-B
PDOWN-OUT
LED-PANEL
TC-ALC
LINE-MUTE
PWR-RELAY
FAN_DRIVE
AMP-PWR
HP-MUTE
EQ-CE
EQ-DATA
EQ-CLK
TA-MUTE
TC-END-SW
TC-HALF-REC-SW
MODEL
SHIMUKE
KEY3, KEY2
ADGND
KEY1
VREF
AVCC
PROTECT-IN
Description
Back light control signal output
Volume signal input from the rotary encoder
Volume signal input from the rotary encoder
LDON signal output to the RF amplifier (IC103)
Spindle speed selection signal output
SENS signal input
Tuning signal input from the tuner (“L” : on, “H” : off)
Solenoid control signal output (“H” : on, “L” : off)
Capstan motor control signal output (“H” : REV, “H” : FWD, “L” : STOP)
CD reset siganl output
Clock selection signal output
Power supply terminal
soft test signal output
ground terminal
CD power supply control signal output
Speaker relay control signal output
Loading motor control signal output
Loading motor control signal output
Switch signal input from the switch (S1) on the LOADING board
Switch signal input from the switch (S1) on the LOADING board
BASS signal input from the rotary encoder (not used)
BASS signal input from the rotary encoder (not used)
Not used (connected to the ground)
Key input detection signal input
Power request signal input frm PC LINK (not used)
TREBLE signal input from the rotary encoder (not used)
TREBLE signal input from the rotary encoder (not used)
MD power supply control signal output
PANEL LED control signal output
ALC signal output (“L” : on, “H” : off)
Audio muting signal output (“H” : on, “L” : off)
Main relay control siganl output
Fan control signal output
Not used (open)
Not used
Chip enable signal output to the volume control IC
Data output to the volume control IC
Clock output to the volume control IC
Muting control signal output to the power amplifier
TC_END switch signal input
TC_SW(PACK, REC-L, REC-R) siganal input
Model selection terminal
Spec selection terminal
Function key signal input
Ground terminal (analog)
Function key signal input
Reference voltage terminal
Power supply terminal (analog)
Voltage detection signal input for power amplifier protection
86
HCD-M373
• IC702
M3026VMWP-A14GP MASTER CONTROLLER (DIGITAL 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
I
I
O
I
O
—
I
—
I
I
I
I
—
—
—
—
I
—
—
—
I/O
I/O
O
I
O
—
O
I
O
O
—
—
O
—
—
O
O
I
I
O
I
O
I
I
Pin Name
A-IN
RMC/LEVEL-R
NETMD-SO
NETMD-SI
NETMD-CLK
BYTE
CNVSS
XCIN
XCOUT
S.RST
X OUT
VSS
X IN
VCC
NMI
DQSY
P.DOWN
SQSY
NC
NC
NC
NC
X INT
NC
NC
NC
I2CCLK
I2CDATA
SWDT
SRDT
SCLK
KB.CTRL
L3DATAO
L3DATAI
L3CLK
L3MODE
ADA.RST
ADA.LAT
EPM
NC
NC
MOD
LDON
CE
LIMIT-IN
WRPWR
REC-SW
D.RST
SENS
PLAY-SW
Description
Not used (open)
Not used (open)
Serial communication data output to the USB Net MD IC (IC705)
Serial communication data input from the USB Net MD IC (IC705)
Serial clock output to the USB Net MD IC (IC705)
Data bus selection signal input (connected to the ground)
Processor mode selection terminal (connected to the ground)
Sub clock input (32.768kHz)
Sub clock output (32.768kHz)
System reset signal input
Main clock output (10MHz)
Ground terminal
Main clock input (10MHz)
Power supply terminal
Fixed at “H” (pull-up)
Digital in synchronous signal input (recording system)
Power down detection signal input (“L” : power down)
SUBQ(pit)/ADIP(MO) sync signal input from the DSP (IC201)
Not used (open)
Not used (open)
Not used (open)
Not used (open)
Interrupt request signal input from the DSP (IC201)
Not used (open)
Not used (open)
Not used (open)
I2C serial clock input/output
I2C serial data input/output
Serial data output to the DSP (IC201)
Serial data input from the DSP (IC201)
Serial data clock output to the DSP (IC201)
Not used (open)
Serial data output to the ADC/DAC (IC701)
Serial data input from the ADC/DAC (IC701)
Serial data clock output to the ADC/DAC (IC701)
Chip select signal output to the ADC/DAC (IC701)
Not used (open)
Not used (open)
Not used (fixed at “L”)
Not used (open)
Not used (open)
Modulation signal output to the laser diode (“L” : off, “H” : on)
Laser on/off signal output (“H” : laser on)
Not used (fixed at “H”)
Limit switch signal input (“L” : SLED limit in, “H” : SLED limit out)
Write power on/off signal output (“L” : off, “H” : on)
Detection signal input from the loading position switch (REC SW)
Digital reset signal output to the DSP (IC201) and the motor driver (IC401)
SENS signal input from the DSP (IC201)
Detection signal input from the loading position switch (PLAY SW)
87
HCD-M373
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
O
O
I
I
I
O
I/O
I
I
—
—
—
O
O
O
—
—
I
I
—
—
—
I
O
O
O
I
—
I
—
O
O
O
O
—
O
I
—
—
I
—
—
—
—
—
I
—
—
—
—
Pin Name
XLAT
SCL
OUT-SW
MNT2
MNT1
EEP-WP
SDA
REFLECT
PROTECT
VCC
NC
VSS
LOAD-LO
LOAD-OUT
LOAD-IN
NC
NC
SEL0
SEL1
NC
NC
NC
NETMD-INT
NETMD-CS
NETMD-RST
NETMD-PLLSW
VBUS
NC
LOCK
NC
ADSEL-2
ADSEL-1
ADSEL-0
OPTSEL
DACMUTE
DARESET
IOP
NC
NC
EMPHASIS
TP2
TP1
TP_UNLOCK
AVSS
KEY0
VREF
AVCC
NC
FLDATA
FLCK
Description
Latch signal output to the DSP (IC201)
Serial communication clock output to the EEPROM
Detection signal inut from the loading position switch (OUT SW)
Busy monitor signal input from the mechanism deck
Track jump detection signal input from the mechanism deck
Write protect signal output to the EEPROM (“L” : enable to write)
Serial communication data input/output with the EEPROM
Detection signal input from the reflect detection switch (“H” : low reflection)
Protection claw detection signal input from the recording protection detection switch (“H” : protection)
Power supply terminal
Not used (open)
Ground terminal
Voltage control signal output to the loading motor (“L” : high voltage, “H” : low voltage)
Loading motor control signal output (“H” : out)
Loading motor control signal output (“H” : in)
Not used (open)
Not used (open)
Destination input terminal
Destination input terminal
Not used (open)
Not used (open)
Not used (open)
Interrupt request signal input from the USB Net MD IC (IC705) (“L” : interrupt request on)
Chip select signal output to the USB Net MD IC (IC705)
Reset signal output to the USB Net MD IC (IC705)(“L” : reset)
PLL function on/off control signal output to the USB Net MD IC (IC705)(“L” : PLL function on)
USB VBUS detection signal input (“H” : USB on)
Not used (open)
Digital in lock detection signal input from the ADC/DAC (IC701)
Not used (open)
Not used (open)
Not used (open)
Not used (open)
Not used (open)
Not used (open)
Reset signal output to the ADC/DAC (IC701) (“L” : active)
Iop measurement input terminal
Not used (open)
Not used (open)
Emphasis signal input from the ADC/DAC (IC701)
Not used (open)
Not used (open)
Not used (open)
Ground terminal (analog)
Not used (open)
Reference voltage input terminal
Power supply terminal (analog)
Not used (open)
Not used (open)
Not used (open)
88
HCD-M373
• IC703
MB89595CPFV-G-127-BND USB I/F (DIGITAL Board)
Pin No.
1
2
3
4
5 to 11
12
13
14
15
16
17, 18
19
20, 21
22
23
24
25 to 30
31
32
33 to 43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61 to 64
I/O
I
O
I
O
—
I
O
—
O
—
—
I
I
I
O
—
—
O
—
—
I
—
—
—
—
—
—
I/O
I/O
O
O
O
O
—
—
—
—
—
Pin Name
UCK
TX
RX
SLEEP
NC
P.DOWN
REQ
VSS
BUSY
EXT-ON
NC
RST
MDB0, MDB1
X0
X1
VSS
NC
USOVB
PULLUPSW
NC
VBUSDET
ZERO
XSSPND
XPLYBCK
BUS/SELF
VCC
C
RPVP
RPVM
D1VP
D1VM
D2VP
D2VM
D3VP
D3VM
D4VP
D4VM
NC
Description
Clock input from the USB I2C converter (IC704)
Serial data output to the USB I2C converter (IC704)
Serial data input from the USB I2C converter (IC704)
SLEEP signal output
Not used (open)
Power supply status signal input
Interrupt signal output to the USB I2C converter (IC704)
Ground terminal (USB)
Process status signal output to the USB I2C converter (IC704)
Not used (open)
Not used (open)
Reset signal input
Operation mode setting terminal
Crystal resonator terminal (6MHz)
Crystal resonator terminal (6MHz)
Ground terminal (USB)
Not used (open)
VBUS check signal output
USB D+ pull up output
Not used (open)
VBUS detection signal input
Not used (connected to the ground)
Not used (connected to the ground)
Not used (connected to the ground)
Not used (connected to the ground)
Power supply terminal
Not used (fixed at “H”)
USB route port (+ terminal)
USB route port (- terminal)
USB down port 1 (+ terminal)
USB down port 1 (- terminal)
USB down port 2 (+ terminal)
USB down port 2 (- terminal)
Not used (connected to the ground)
Not used (connected to the ground)
Not used (connected to the ground)
Not used (connected to the ground)
Not used (open)
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