Sony MEX-N5000BE / MEX-N5000BT / MEX-N5050BT / MEX-N5070BT Service Manual ▷ View online
MEX-N5000BE/N5000BT/N5050BT/N5070BT
45
IC804 BD60HA5WEFJ-E2
IC1003 NJM2781RB1
8
VCC
5
EN
6
N.C.
7
N.C.
+
–
–
OVER CURRENT
PRORECITON
THERMAL
SHUTDOWN
SOFT
START
2
VO_S
1
VO
3
GND
4
N.C.
REG 2
IN+ 4
NOISE 1
5 IN–
7 V+
8 GND
6 OUT
STBY 3
+
–
–
REGULATOR
– REGULATOR Board –
IC001 S-13A1A12-E6T1U3
VOUT 1
VIN
6
VSS 2
ON/OFF 3
+
–
–
REFERENCE
VOLTAGE
ON/OFF
CONTROL
VSS
5
SSC
4
INRUSH CURRENT
LIMITING
THERMAL
SHUTDOWN
OVERCURRENT
PROTECTION
MEX-N5000BE/N5000BT/N5050BT/N5070BT
46
• IC Pin Function Description
MAIN BOARD IC503 R7S7200022CFP (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
BT_MIC_DET
I
External microphone plug insert detection signal input terminal for the Bluetooth
2
AMP_ATT
O
Amplifi er muting on/off control signal output to the power amplifi er “L”: muting on
3
AMPSTB
O
Standby signal output to the power amplifi er “L”: standby
4
SERVO_ON
O
Power on/off control signal output to the servo section “H”: power on
5
SP_CLK
O
Serial data transfer clock signal output to the audio DSP
6
SP_DATA
I
Serial data input from the audio DSP
7
Vcc
-
Power supply terminal (+1.18V) (for internal)
8
DEC_XMUTE
O
Muting on/off control signal output to the audio DSP “L”: muting on
9
Vss
-
Ground terminal
10
CD_ZDET
I
Zero data detection signal input from the audio DSP
11
PVcc
-
Power supply terminal (+3.3V) (for I/O)
12
BSIF_GATE
O
Gate signal output to the audio DSP
13
DEC_INT
I
Interrupt signal input from the audio DSP
14
DSP_RST
O
Reset signal output to the audio DSP “L”: reset
15
DSP_SSTBY
O
Standby signal output to the audio DSP “L”: standby
16
BSIF_ST_REQ
I
Request signal input from the audio DSP
17
CD_BUSCLK
O
Serial data transfer clock signal output to the audio DSP
18
Vss
-
Ground terminal
19
CD_XCCE
O
Chip enable signal output to the audio DSP
20
CD_SDO
O
Serial data output to the audio DSP
21
Vcc
-
Power supply terminal (+1.18V) (for internal)
22
CD_SDI
I
Serial data input from the audio DSP
23
Vss
-
Ground terminal
24
BSIF_BCK
O
Bit clock signal output to the audio DSP
25
PVcc
-
Power supply terminal (+3.3V) (for I/O)
26
BSIF_LR
O
L/R sampling clock signal output to the audio DSP
27
BSIF_DO
O
Audio data output to the audio DSP
28
BEEP
O
Beep sound drive signal output to the power amplifi er
29
DEC_BCK_IN
I
Bit clock signal input from the audio DSP
30
DEC_LRCK_IN
I
L/R sampling clock signal input from the audio DSP
31
Vss
-
Ground terminal
32
DEC_SDOUT_F
O
Audio data output to the audio DSP
33
DEC_SDIN_CH0
I
Audio data input from the audio DSP
34
Vcc
-
Power supply terminal (+1.18V) (for internal)
35
LCD_CLK
O
Serial data transfer clock signal output to the front panel block
36
Vss
-
Ground terminal
37
NC
-
Not used
38
LCD_CE
O
Chip enable signal output to the front panel block
39
PVcc
-
Power supply terminal (+3.3V) (for I/O)
40
LCD_DO
O
Serial data output to the front panel block
41
MEC_EJECT
O
Loading motor drive signal (eject direction) output terminal “H”: motor on
42
SYNC_OUT
O
Frequency control signal output to the regulator
43
DEBUG_TX
O
Transmit data output terminal for the debug Not used
44
LRCK_INT
I
L/R sampling clock signal input from the pin 26 (BSIF_LR)
45
ACC_IN
I
Accessory power detection signal input terminal “L”: accessory power on
46
Vss
-
Ground terminal
47
DRV_ON
O
Driver control signal output to the CD mechanism deck block
48
XM_TX
O
Serial data output to the SIRIUSXM in connector (US and Canadian models only)
49
KEY_ACK1
I
Key acknowledge signal (wake up signal) input from the front panel block
50
PVcc
-
Power supply terminal (+3.3V) (for I/O)
51
MEC_INSW
I
Disc insert detection switch input terminal
52
BT_CLK
I
Serial data transfer clock signal input from the BT module
53
BT_SYNC
I
Sync signal input from the BT module
54
BT_DOUT
O
Audio data output to the BT module
55
BT_DIN
I
Audio data input from the BT module
56
BU_IN
I
Back-up power detection signal input terminal “L” is input at low voltage
MEX-N5000BE/N5000BT/N5050BT/N5070BT
47
Pin No.
Pin Name
I/O
Description
57
MEC_LIMIT
I
Limit in detection switch input terminal
58
Vcc
-
Power supply terminal (+1.18V) (for internal)
59
KEY_ACK0
I
Key acknowledge signal (wake up signal) input from the rotary commander
60
MEC_LOAD
O
Loading motor drive signal (loading direction) output terminal “H”: motor on
61
Vss
-
Ground terminal
62
PVcc
-
Power supply terminal (+3.3V) (for I/O)
63
XM_RX
I
Serial data input from the SIRIUSXM in connector (US and Canadian models only)
64
DEBUG_RX
I
Receive data input terminal for the debug Not used
65
BT_RX
I
Serial data input from the BT module
66
TBD
I
Fixed at “L” in this unit
67
RTC_X1
I
System clock input terminal (32.768 kHz)
68
RTC_X2
O
System clock output terminal (32.768 kHz)
69
PLLVcc
-
Power supply terminal (+1.18V) (for PLL)
70
EXTAL
I
System clock input terminal (13.333 MHz)
71
XTAL
O
System clock output terminal (13.333 MHz)
72, 73
Vss
-
Ground terminal
74
NMI
I
Fixed at “H” in this unit
75
Vss
-
Ground terminal
76
RES
I
System reset signal input from the reset signal generator “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it change to “H”
For several hundreds msec. after the power supply rises, “L” is input, then it change to “H”
77
PVcc
-
Power supply terminal (+3.3V) (for I/O)
78 to 80
NC
-
Not used
81
RC_IN0
I
Rotary commander key input terminal
82, 83
KEY_IN0, KEY_IN1
I
Front panel key input terminal
84, 85
NC
-
Not used
86
AVcc
-
Power supply terminal (+3.3V) (analog system)
87
Vss
-
Ground terminal
88
AVref
-
Reference power supply (+3.3V) input terminal (analog system)
89
BSCANP
I
Fixed at “L” in this unit
90
PVcc
-
Power supply terminal (+3.3V) (for I/O)
91
AUDIO_X1
I
Audio clock signal input terminal
92
NC
-
Not used
93
Vss
-
Ground terminal
94
SYNC_ON
O
Not used
95
Vcc
-
Power supply terminal (+1.18V) (for internal)
96
XM_PWR
O
Power supply on/off control signal output to the SIRIUSXM in connector “H”: power on
(US and Canadian models only)
(US and Canadian models only)
97
TRST
I
Reset signal input terminal for the JTAG Not used
98
TDO
O
Data output terminal for the JTAG Not used
99
TDI
I
Data input terminal for the JTAG Not used
100
TMS
I
Mode selection signal input terminal for the JTAG Not used
101
TCK
I
Clock signal input terminal for the JTAG Not used
102
Vss
-
Ground terminal
103
ILL_IN
I
Illuminate line detection signal input terminal
104
EN_SYS
O
Power on/off control signal output to the regulator “H”: power on
105
Vcc
-
Power supply terminal (+1.18V) (for internal)
106
PWR_ECO
O
Low power mode selection signal output to the regulator “L”: low power mode
107
Vss
-
Ground terminal
108
USB_OVR
I
USB over current detection signal input from the regulator “L”: over current
109
PVcc
-
Power supply terminal (+3.3V) (for I/O)
110
USB_ON2
O
USB power on/off control signal output terminal Not used
111
USB_OVR2
I
USB over current detection signal input terminal Not used
112
BT_PWR
O
Power on/off control signal output terminal for the Bluetooth section “H”: power on
113
NC
-
Not used
114
BT_RST
O
Reset signal output to the BT module “L”: reset
115
NC
-
Not used
116
Vss
-
Ground terminal
117
NC
-
Not used
118
USB_ON
O
USB power on/off control signal output to the regulator “H”: power on
119
Vcc
-
Power supply terminal (+1.18V) (for internal)
MEX-N5000BE/N5000BT/N5050BT/N5070BT
48
Pin No.
Pin Name
I/O
Description
120
RC_IN1
I
Rotary commander shift key input terminal
121
Vss
-
Ground terminal
122
RE_ON
O
Jog dial pulse pull-up signal output terminal
123
PVcc
-
Power supply terminal (+3.3V) (for I/O)
124
MEC_DSW
I
Chucking end detection switch input terminal
125
I2C0_SCL
O
Serial data transfer clock signal output to the electrical volume, regulator and EEPROM
126
I2C0_SDA
I/O
Two-way data bus with the electrical volume, regulator and EEPROM
127
I2C1_SCL
O
Serial data transfer clock signal output to the tuner unit
128
I2C1_SDA
I/O
Two-way data bus with the tuner unit
129, 130
NC
-
Not used
131, 132
RE_IN0, RE_IN1
I
Jog dial pulse input from the rotary encoder
133
BT_TX
O
Serial data output to the BT module
134
USB_CHG_MOD2
O
USB charge control signal output terminal Not used
135
DOOR_SW
I
Front panel remove/attach detection signal input terminal “L”: Front panel is attached
136
SIRCS
I
Remote control signal input from the front panel block
137
MEC_SELFSW
I
Self loading position detection switch input terminal
138
Vss
-
Ground terminal
139
USB_X1
I
System clock input terminal (48 MHz)
140
USB_X2
O
System clock output terminal (48 MHz)
141
USBDPVcc
-
Power supply terminal (+3.3V) (for USB digital)
142
USBDPVss
-
Ground terminal (for USB digital)
143 to
145
NC
-
Not used
146
USBDVcc
-
Power supply terminal (+1.18V) (for USB digital)
147
USBDVss
-
Ground terminal (for USB digital)
148
USBDPVcc
-
Power supply terminal (+3.3V) (for USB digital)
149
USBDPVss
-
Ground terminal (for USB digital)
150
DM0
I/O
Two-way USB data (–) bus with the USB connector
151
DP0
I/O
Two-way USB data (+) bus with the USB connector
152
VBUSIN0
I
VBUS power detection signal input terminal “H”: VBUS power is detected
153
USBDVcc
-
Power supply terminal (+1.18V) (for USB digital)
154
USBDVss
-
Ground terminal (for USB digital)
155
REFRIN
I
External resistor connection terminal
156
USBAPVss
-
Ground terminal (for USB analog)
157
USBAPVcc
-
Power supply terminal (+3.3V) (for USB analog)
158
USBAVcc
-
Power supply terminal (+1.18V) (for USB analog)
159
USBAVss
-
Ground terminal (for USB analog)
160
USBUVcc
-
Power supply terminal (+1.18V) (for USB 48 MHz)
161
USBUVss
-
Ground terminal (for USB 48 MHz)
162, 163
Vss
-
Ground terminal
164, 165
NC
-
Not used
166
SF1_D2
O
Write protect signal output to the serial fl ash
167
SF1_D3
O
Hold signal output to the serial fl ash
168
SF1_CLK
O
Serial data transfer clock signal output to the serial fl ash
169
SF1_CE
O
Chip select signal output to the serial fl ash
170
SF1_D0
O
Serial data output to the serial fl ash
171
Vss
-
Ground terminal
172
SF1_D1
I
Serial data input from the serial fl ash
173
USB_CHG_MOD1
O
USB charge control signal output terminal Not used
174
PVcc
-
Power supply terminal (+3.3V) (for I/O)
175
ATT
O
Audio muting on/off control signal output terminal “H”: muting on
176
HIT2_RESET
O
Reset signal output to the tuner unit “L”: reset
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