Sony ICD-BX112 Service Manual ▷ View online
ICD-BX112
25
IC3630 XC6213B312NR (MAIN Board (5/5))
IC3640 XC6213B292NR (MAIN Board (5/5))
IC3640 XC6213B292NR (MAIN Board (5/5))
IC3680 MM3359A11URE (MAIN Board (5/5))
CE 1
GND 2
VDD
4
VOUT
3
+
–
–
ON/OFF
CONTROL
CURRENT
LIMIT
VOLTAGE
REFERENCE
GND 2
VDD
4
VOUT
3
CURRENT
LIMIT
BIAS
VREF
CE 1
+
–
ICD-BX112
26
• IC Pin Function Description
MAIN BOARD (1/5) IC4541 LC823410-10S4-H (SYSTEM CONTROL, MEMORY CONTROL)
Pin No.
Pin Name
I/O
Description
1 to 4
TEST3 to 6
I
Test pin
5
TCK/JTAG TCK
—
Not used. (Open)
6
RTCK/JTAG RTCK
—
Not used. (Open)
7
NTRST/JTAG NTRST
I
System reset signal input
8
TDI/JTAG TDI
—
Not used. (Open)
9
TMS/JTAG TMS
—
Not used. (Open)
10
TDO/JTAG TDO
—
Not used. (Open)
11
NRES/MCPU XRST
I
System reset signal input
12
PHI/P11/BATT XEN/
UPG RESULT
O
BATT XEN signal output
13
EXTFIQ/P2F
I
Not used. Fixed at “H”.
14
SCK0/P08/SPI0 CLK
O
Serial interface clock signal output to LCD driver
15
SDO0/P09/
SPI0 MOSI
SPI0 MOSI
O
Serial interface data signal output to LCD driver
16
SDI0/P0A
—
Not used. (Open)
17
SCK1/P14/
MP_XDET
I
Headphone detect signal input Not used. (Open)
18
SDO1/P15/
EXTMIC_XDET
I
EXT MIC detect signal output Not used. (Open)
19
SDI1/P16/SP PWR
O
Speaker power supply control signal output
20
TXD1/P2A/ADA PWR
O
Adapter power supply control signal output
21
RXD1/P2B/
RTC XSTBY
O
Remote control power supply backup control signal output
22
TIOCA0/P19
—
Not used. (Open)
23
TIOCA1/P18/TCLKB
O
Chipselect signal output to LCD driver
24
VDD1
—
Digital power supply (+1.1V)
25
VDD2
—
Digital power supply (+3.1V)
26
VSS
—
Digital ground
27
TXD0/UART TXD
—
Not used. (Open)
28
RXD0/UART RXD
—
Not used. (Open)
29
XFWE/P01/
LED_XRED
LED_XRED
O
Operation monitor LED (RED) control signal output
30
XFRE/P02/
LED_XGRN
O
Operation monitor LED (GREEN) control signal output
31
XALE/NAND XALE
—
Not used. (Open)
32
XCLE/NAND XCLE
—
Not used. (Open)
33
XFCE1/NAND XCE1
—
Not used. (Open)
34
XFCE0/NAND XCE0
—
Not used. (Open)
35
XFWP/NAND XWP
—
Not used. (Open)
36
XFBSY/NAND XRB
I
Not used. (Connect to ground.)
37
FD0/NAND D0
—
Not used. (Open)
38
FD1/NAND D1
—
Not used. (Open)
39
VDD2
—
Digital power supply (+3.1V)
40
VSS
—
Digital ground pin
41 to 46
FD2/NAND D2 to
FD7/NAND D7
—
Not used. (Open)
47
EXTINT0/P21/
NAND_PWR
O
NAND REG power supply control signal output
48
EXTINT1/P22/
KEY HOLD
I
Hold switch signal input
49
EXTINT2/P23/
KEY WAKE
I
Key wake up signal input
50
EXTINT3/P24
—
Not used. (Open)
51
EXTINT4/P25/
RTC XINT
I
RTC interruption signal input
52
VDD1
—
Digital power supply (+1.1V)
53
VDD2
—
Digital power supply (+3.1V)
54
VSS
—
Ground
55
DOUT/PCM DADT
O
PCM serial data signal output
ICD-BX112
27
Pin No.
Pin Name
I/O
Description
56
DIN/PCM ADDT
I
PCM serial data signal input
57
BCK/PCM BCK
I/O
PCM bit clock signal input/output
58
LRCK/P12/
PCM LRCK
I/O
PCM LR serial clock signal input/output
59
MCLK/P13/
PCM MCLK
O
PCM master serial clock signal output
60
SCL/P28/I2C SCL
O
I2C serial clock signal output to CODEC
61
I2C SDA
O
I2C serial data signal output to CODEC
62
BOOT XMS
I
Boot mode select signal input Not used. (Open)
63
ADA XRST
O
Reset signal output to CODEC
64
TEST1
I
Test pin
65
TEST2
I
Test pin
66
VDD1
—
Digital power supply (+1.1V)
67
SDWP/SD WP
I
SD card write protect signal input Fixed at “L”.
68
SDCD/INS/SD CD
I
SD card detect/MSINS signal input Fixed at “L”.
69
SDCMD/BS/SD CMD
O
SD CMD signal output to NAND
70
SDCLK/SCLK/
SD CLK
O
Serial clock signal output to NAND
71
SDAT0/DATA0/
SD DATA0
I/O
NAND data signal input/output
72
VSS
—
Digital ground
73
VDD3
—
Digital power supply (+3.1V)
74
SDAT1/DATA1/
SD DATA1
I/O
NAND data signal input/output
75
SDAT2/DATA2/
SD DATA2
I/O
NAND data signal input/output
76
SDAT3/DATA3/
SD DATA3
I/O
NAND data signal input/output
77
AVDDPLL1
—
Analog power supply (+1.1V)
78
AVSSPLL1
—
Analog ground
79
VCNT1
O
VCO control signal output for PLL1
80
VDDXT
—
Power supply (+1.1V)
81
VSSXT
—
Ground
82
XIN1
I
Oscillation amplifi er input for system/clock (12MHz)
83
XOUT1
O
Oscillation amplifi er output for system/clock (12MHz)
84
VDDRTC
—
Power supply for RTC
85
VSSRTC
—
Ground pin RTC
86
XOUT32K
O
32.768kHz oscillation amplifi er output for RTC
87
XIN32K
I
32.768kHz oscillation amplifi er input for RTC
88
VDET/RTC VDET
I
RTC voltage detect signal input
89
RTCINT
O
RTC interruption signal output
90
BACKUPB
I
Back up control signal input
91
AVDDPHY1
—
Power supply (+1.1V)
92, 93
AVSSPHY1
—
Analog ground
94
RREF
—
Reference resistance connected pin
95
AVSSPHY2
—
Analog ground
96, 97
AVDDPHY2
—
Analog power supply (+3.1V)
98 to 100
AVSSPHY2
—
Analog ground
101
AVDDPHY2
—
Analog power supply (+3.1V)
102
DP
I/O
USB serial data (+) signal input/output Not used. (Open)
103
DM
I/O
USB serial data (–) signal input/output Not used. (Open)
104
AVSSPHY2
—
Analog ground
105
AVDDPHY2
—
Analog power supply (+3.1V)
106
AVDDADC
—
Analog power supply for A/D converter (+3.1V)
107
AN0/BATT AD
I
Battery voltage signal input
108
AN1/KEY AD0
I
Key voltage signal input
109
AN2/KEY AD1
I
Key detect signal input
110
AN3/MICHP AD
I
MIC/HP detect signal input
111
AVSSADC
—
Analog ground for A/D converter
112
VSS
—
Digital ground
113
XIN2/NC
I
Not used. (Open)
ICD-BX112
28
Pin No.
Pin Name
I/O
Description
114
XOUT2/NC
O
Not used. (Open)
115
VDD1
—
Digital power supply (+1.1V)
116
AVDDPLL2
—
Analog power supply (+3.1V)
117
AVSSPLL2
—
Analog ground
118
VCNT2
O
VCO control signal for PLL2
119
VDD2
—
Digital power supply (+3.1V)
120
VSS
—
Digital ground
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