Sony ICD-BX800 Service Manual ▷ View online
ICD-BX800
21
IC2001 AK4645AEZ-L (MAIN Board (4/5))
PMLO
PMAINL4
PMAINR4
PMHPL
PMHPR
PMMIN
D/A
DATT
SMUTE
BASS
BOOST
AUDIO
I/F
CONTROL
REGISTER
ALC
STEREO
SEPARATION
HPF
PMDAC
PMAINR2
PMAINL2
PMADL
OR PMMICL
PMADR
OR PMMICR
PMMP
PMAINR3
MIC
POWER
SUPPLY
MIC AMP
25
LIN4/IN4+
26
ROUT/LON
27
LOUT/LOP
A/D
WIND-NOISE
REDUCTION
ALC
STEREO
SEPARATION
HPF
PMDAL OR PMADR
28
MIN/LIN3
29
RIN2/IN2-
30
LIN2/IN2+
31
LIN1/IN1-
32
RIN1/IN1+
16 TVDD
15 DVDD
14 BICK
13 LRCK
12 SDTO
11 SDTC
10 CDTI/SDA
9 CCLK/SCL
1
MPWR
2
VCOM
3
AVSS
4
AVDD
5
VCOC/RIN3
6
I2C
7
PDN
8
CSN/CAD0
24
RIN4/IN4-
23
MUTET
22
HPL
21
HPR
20
HVDD
19
HVSS
18
MCKO
17
MCKI
ICD-BX800
22
IC3051 MM3271BURE (MAIN Board (5/5))
IC3620 MM3273BURE (MAIN Board (5/5))
IC3620 MM3273BURE (MAIN Board (5/5))
IC3600 XC9129D45CDR (MAIN Board (5/5))
VSS 2
VIN
4
VOUT
3
+
–
CURRENT
LIMIT
BIAS
VREF
CE 1
5
4
3
2
1
6
7
8
9
9
10
PHASE
COMPENSATION
CURRENT SENSE,
LIMIT,PFM
PWM/PFM
CONTROLLER,LOGIC
BUFFER
DRIVER
EN.
THERMAL SHUTDOWN
VREF WITH
SOFT START
F0
EN
BAT
ERROR AMP
PWM
COMPARATOR
LX
PGND
AEN
AGND
MODE
VOUT
FB
RAMP WAVE
GENERATOR
OSC
MODE
NC 1
VSS 2
VIN
R1
R2
4
VOUT
VREF
3
+
–
IC3021 XC6120N142NR (MAIN Board (5/5))
ICD-BX800
23
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-BX800
24
• IC Pin Function Description
MAIN BOARD (1/5) IC4541 LC823410-10S2-H (MEMORY CONTROL, SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Description
1 to 4
TEST3 to 6
I
Test pin Operation: “L” input
5
TCK/JTAG TCK
I
JTAG test clock signal input Not used. (Open)
6
RTCK/JTAG RTCK
O
JTAG test returned clock signal output Not used. (Open)
7
NTRST/JTAG NTRST
I
JTAG test reset signal input
8
TDI/JTAG TDI
I
JTAG test data signal input Not used. (Open)
9
TMS/JTAG TMS
I
JTAG test mode select signal input Not used. (Open)
10
TDO/JTAG TDO
O
JTAG test data signal output Not used. (Open)
11
NRES/MCPU XRST
I
Reset signal input
12
PHI/P11/BATT XEN/
UPG RESULT
I/O
BATT XEN signal output
13
EXTFIQ/P2F/
VBUS XDET
I/O
VBUS detect signal input
14
SCK0/P08/SPI0 CLK
I/O
Serial interface clock signal output
15
SDO0/P09/
SPI0 MOSI
SPI0 MOSI
I/O
Serial interface data signal output
16
SDI0/P0A/SPI0 MISO
I/O
Serial interface data signal input
17
SCK1/P14/
CHG EN CLK
I/O
Charge enable signal input/Serial clock signal output Not used. (Open)
18
SDO1/P15/GPIO P15
I/O
VBUS power supply control signal output Not used. (Open)
19
SDI1/P16/SP PWR
I/O
Speaker power supply control signal output
20
TXD1/P2A/ADA PWR
I/O
Adapter power supply control signal output
21
RXD1/P2B/
RTC XSTBY
I/O
Remote control power supply backup control signal output
22
TIOCA0/P19/
CHGADC XCS
I/O
Charge ADC cs terminal L: Active
Not used. (Open)
Not used. (Open)
23
TIOCA1/P18/
SCPU CS
I/O
SCPU SPI CS terminal H: Active
24
VDD1
—
Digital power supply pin (+1.1V)
25
VDD2
—
Digital power supply pin (+3.1V)
26
VSS
—
Digital ground pin
27
TXD0/UART TXD
I/O
UART transmission data input/output Not used. (Open)
28
RXD0/UART RXD
I/O
UART receive data input/output Not used. (Open)
29
XFWE/NAND XWE
I/O
NAND FLASH write enable signal input/output Not used. (Open)
30
XFRE/NAND XRE
I/O
NAND FLASH read enable signal input/output Not used. (Open)
31
XALE/NAND XALE
I/O
NAND FLASH address latch enable signal input/output Not used. (Open)
32
XCLE/NAND XCLE
I/O
NAND FLASH command latch enable signal input/output Not used. (Open)
33
XFCE1/NAND XCE1
I/O
NAND FLASH chip enable signal input/output Not used. (Open)
34
XFCE0/NAND XCE0
I/O
NAND FLASH chip enable signal input/output Not used. (Open)
35
XFWP/NAND XWP
I/O
NAND FLASH write protect signal input/output Not used. (Open)
36
XFBSY/NAND XRB
I
NAND FLASH busy signal input Not used. (Connect to ground.)
37
FD0/NAND D0
I/O
NAND FLASH data signal input/output Not used. (Open)
38
FD1/NAND D1
I/O
NAND FLASH data signal input/output Not used. (Open)
39
VDD2
—
Digital power supply pin (+3.1V)
40
VSS
—
Digital ground pin
41 to 46
FD2/NAND D2 to
FD7/NAND D7
I/O
NAND FLASH data signal input/output Not used. (Open)
47
EXTINT0/P21/
BATTAD EN
I/O
NAND REG power supply control signal output
48
EXTINT1/P22/
KEY HOLD
I/O
Hold switch signal input
49
EXTINT2/P23/
KEY WAKE
I/O
Key wake up signal input
50
EXTINT3/P24/
DCIN XDET
I/O
DCIN detect signal input
51
EXTINT4/P25/
RTC XINT
I/O
RTC interruption signal input
52
VDD1
—
Digital power supply pin (+1.1V)
53
VDD2
—
Digital power supply pin (+3.1V)
54
VSS
—
Ground pin
Click on the first or last page to see other ICD-BX800 service manuals if exist.