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ICD-SX750/SX750D/SX850/SX850D/SX950
29
• IC Block Diagrams
IC3901 PCM3794RHBR (AUDIO Board (2/2))
AIN3L
AIN2L
AIN1L
AIN1R
AIN2R
AIN3R
AIN3R
23
25
27
26
24
22
21
4
18
V
COM
V
COM
V
IO
5
V
DD
6
DGND
12
V
PA
13
PGND
20 V
CC
19 AGND
ADC
Digital
Filter
MUX2
MUX4
ADC
(1)
Digital
Filter
(1)
(1)
Digital
Filter
ROUT
MXR
DAR
ADR
SW6
SW5
SW4
PG4
+30 to -12dB
+30 to -12dB
ADC
Digital
Filter
MUX1
MUX3
ADC
(1)
Audio Interface
Serial Interface
(SOI/I2C)
Clock
Manager
Power on
Reset
Power Up/Down
Manager
(1)
LOUT
MXL
DAL
ADL
SW6
SW5
SW4
SPL
PG3
PG1
PG5
PG2
PG6
0 or +20dB
0 to -21dB
0 to -21dB
+6 to -70dB
0 or +20dB
COM
Analog Input L-ch
Analog Input R-ch
SPOLP
15
LRCK
32
DIN
2
MODE
28
BCK
1
DOUT
3
SCKI
7
SPOLN
14
SPL
+6 to -70dB
SPOLP
11
SPOLN
10
HPL
+6 to -70dB
HPOL/LO
17
HPR
HPOR
HPOL
COM
MONO
HPC
+6 to -70dB
HPOR/LOR
16
HPCOM/MONO
9
HDTI
8
ATT
Mute
MC/SCL
31
MD/SD
A
30
MS/ADR
29
Decimation Filter
Interpolation Filter
3-D Enhancement
3-BAND Tone Control
Notch Filter
Interpolation Filter
3-D Enhancement
3-BAND Tone Control
Notch Filter
Possible for Power Up/Down
ICD-SX750/SX750D/SX850/SX850D/SX950
30
IC3403 SM6801AB-G-EL (MAIN Board (5/5))
8
4
TESTN
5
EQP
6
EQN
IN
3
VREF1
7
VSS1
2
VDD1
15
VDD2
9 VDD3
1
DRCN
14
PDWN
16
MUTEN
17
13
VDD4
12 OUTP
11 VSS2
10 OUTN
+
–
–
+
–
–
LEVEL
SHIFTER
PWM
Modulator
MUTE
POWER DOWN,
PROTECTION
BUFFER
LEVEL
SHIFTER
OSC
BIAS
VREF
BUFFER
ICD-SX750/SX750D/SX850/SX850D/SX950
31
• IC Pin Function Description
MAIN BOARD IC1001 MC-10051BF1-FAE-A (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
A1
NC
—
(Used to fi x solder ball to mount IC on board. Open)
A2
NC
—
(Used to fi x solder ball to mount IC on board. Open)
A3
NC
—
(Used to fi x solder ball to mount IC on board. Open)
A4
NAND_WEZ
O
Write enable output
A5
I/O_B
—
Power supply to I/OB
A6
RBIAS
—
Not used (Open)
A7
VUSBLOG
—
Not used (Open)
A8
VUSBPLL
—
Not used (Open)
A9
PHYXO
—
Not used (Open)
A10
PHYXI
—
Not used (Open)
A11
UPLLGND1
—
GND
A12
USBAGND1
—
GND
A13
USBAGND1
—
GND
A14
DM
—
Not used (Open)
A15
DP
—
Not used (Open)
A16
USBI/OVDD
—
Not used (Open)
A17
VCCVBUS
O
USB power source output
A18
USBTEST5
—
Not used (Open)
A19
I/O_A
—
Power supply to I/OA
A20
VDD_L0
—
Power supply to the logic block 0
A21
AB0_A8
I/O
Address output (Not used (Open))
A22
AB0_A13
I/O
Address output (Not used (Open))
A23
AB0_A17
I/O
Address output (Not used (Open))
A24
NC
—
(Used to fi x solder ball to mount IC on board. Open)
A25
NC
—
(Used to fi x solder ball to mount IC on board. Open)
A26
NC
—
(Used to fi x solder ball to mount IC on board. Open)
B1
NC
—
(Used to fi x solder ball to mount IC on board. Open)
B2
NC
—
(Used to fi x solder ball to mount IC on board. Open)
B3
NAND_CEZ2
O
Chip enable output (Not used (Open))
B4
NAND_DA0
I/O
Address data input/output
B5
I/O_B
—
Power supply to I/OB
B6
ADIN4
I
ADC input signal 4
B7
ADIN6
I
ADC input signal 6 (Not used (Open))
B8
ADIN8
I
Battery center voltage detect
B9
ADVCC
I
Power input terminal for A/D converter
B10
NC
—
Not used (Open)
B11
NC
—
GND
B12
NC
—
GND
B13
SWGND
—
GND
B14
NC
—
Not used (Open)
B15
SWADP2
I/O
USB data input/output (Not used (Open))
B16
USBDGND
—
Not used (Open)
B17
VCCADP
I
Adapter connection/On terminal (Not used (Open))
B18
USBTEST4
—
Not used (Open)
B19
I/O_A
—
Power supply to I/OA
B20
VDD_L0
—
Power supply to the logic block 0
B21
AB0_A9
I/O
Address output (Not used (Open))
B22
AB0_A14
I/O
Address output (Not used (Open))
B23
AB0_A18
I/O
Address output (Not used (Open))
B24
AB0_A21
I/O
Address output (Not used (Open))
B25
NC
—
(Used to fi x solder ball to mount IC on board. Open)
B26
NC
—
(Used to fi x solder ball to mount IC on board. Open)
C1
NC
—
(Used to fi x solder ball to mount IC on board. Open)
ICD-SX750/SX750D/SX850/SX850D/SX950
32
Pin No.
Pin Name
I/O
Description
C2
NAND_CEZ1
O
Chip enable
C3
NAND_CEZ3
O
Chip enable (Not used (Open))
C4
NAND_DA1
I/O
Address data input/output
C5
I/O_B
—
Power supply to I/OB
C6
ADIN3
I
ADC input signal 3
C7
ADIN5
I
ADC input signal 5
C8
ADIN7
I
ADC input signal 7
C9
ADGND
—
GND
C10
USB_DATA0
I/O
USB data input/output (Not used (Open))
C11
USB_DIR
I
USB DIR input (Fixed to “L”)
C12
USB_DATA
—
Not used (Open)
C13
USB_CLK
I
USB serial clock input (Fixed to “L”)
C14
USB_DATA5
I/O
USB data input/output (Not used (Open))
C15
SWADP
—
Not used (Open)
C16
CAPVBDL
—
Not used (Open)
C17
VCCVBAT
I
Battery connection/On terminal
C18
I/O_A
—
Not used.
C19
I/O_A
—
Power supply to I/OA
C20
AB0_A5
I/O
Address output
C21
AB0_A10
I/O
Address output (Not used (Open))
C22
AB0_A15
I/O
Address output (Not used (Open))
C23
AB0_A19
I/O
Address output (Not used (Open))
C24
AB0_A23
I/O
Address output
C25
AB0_D1
I/O
Data input/output
C26
NC
—
(Used to fi x solder ball to mount IC on board. Open)
D1
IDPULLUP
—
Not used (Open)
D2
NAND_RBZ0
I/O
Ready BUSY output
D3
NAND_ALE
O
Address latch enable
D4
NAND_DA2
I/O
Address data input/output
D5
I/O_B
—
Power supply to I/OB
D6
VDD_L1
—
Power supply to the logic block 1
D7
VDD_L1
—
Power supply to the logic block 1
D8
GND
—
GND
D9
NC
—
Not used (Open)
D10
USB_NXT
I
USB NXT input (Fixed to “L”)
D11
USB_STP
O
USB STP output. (Not used (Open))
D12
USB_DATA1
—
Not used (Open)
D13
USB_DATA3
—
Not used (Open)
D14
USB_DATA6
I/O
USB data input/output. (Not used (Open))
D15
SWVBUS2
O
Power supply logic output
D16
CAPVBSW
I/O
Power supply logic output
D17
VCCVBAT
I
Battery connection/On terminal
D18
AB0_A3
I/O
Address output
D19
I/O_A
—
Power supply to I/OA
D20
AB0_A6
I/O
Address output
D21
AB0_A11
I/O
Address output (Not used (Open))
D22
AB0_A16
I/O
Address output (Not used (Open))
D23
AB0_A20
I/O
Address output (Not used (Open))
D24
AB0_D0
I/O
Data input/output
D25
AB0_D2
I/O
Data input/output
D26
IMONI
I
Power monitor input (Not used (Open))
E1
DISCHGVBUS
I
Not used. (Fixed to “L”)
E2
NC
—
Not used (Open)
E3
NAND_REZ
O
Read enable
E4
NAND_DA3
I/O
Address data input/output
E5
I/O_B
—
Power supply to I/OB
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