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NWZ-A826/A826K/A828/A828K/A829
NWZ-A826/A826K/A828/A828K/A829
3232
• IC Block Diagrams
– MAIN Board –
IC301 XC6401FF58DR
CONTROL
ON / OFF
CONTROL
ON / OFF
REGULATOR 2
REGULATOR 1
REFERENCE
VOLTAGE
1
EN2
2
VIN
3
EN1
6
VOUT2
5
VOUT1
4
VSS
7
GND
IC305 MAX4745ELB+TG069
CON26
VCC
8
NO2
4
NC2
7
CB1
1
GND
3
COM1
10
NC1
9
NO1
2
CB2 5
IC451, 452 TC7PA53FU (TE85L.F)
MALTIPLEXER/
DEMALTIPLEXER
1
CH1
3
CH0
2
GND
4
COMMON
6
A
5
VCC
IC453 UGNZ4-GA5A
X_IN
A4
A3
UART_RTS
A5PIO7
A6GND
B1UART_TXD
B2UART_RXD
B4PIO8
B5VCC_IO
B6
VCC_IO
C1
PCM_OUT
C2
PCM_SYNC
C3
GND
C5
RESETB
C6
VCC_18V
C4
AIO0
D1
PCM_CLK
F5
GND
F4
PIO2
F3
NC
F1
GND
E6
RF_IO
F2
PIO6
E5
GND
B3UART_CTS
D2 PCM_IN
D3 PIO5
E1 USB_DN
E3 PIO4
E2 USB_DP
D4 PIO0
E4 PIO1
D5 PIO3
D6 GND
MICRO
CONTROLLER
RF
SYNTHESIZER
RF
TRANSMITTER
RF
RECEIVER
RF
FRONT-END
26 MHz
CRYSTAL
BASE BAND
AND LOGIC
+1.8V
REGULATOR
2ND
LOCAL
SYNTH
CLOCK
GENERATION
IC501 S1R72V27B05E10B
B8
CHANNEL
OSCILLATOR
USB
NC
CPU INTERFACE
CONTROLLER
MULTI
TRANSCELVER
FIRST-IN FIRST-OUT
C8
F3
H2
E3
G4
F4
E1
C5
E2
D3
G1
F1
F2
H4
A1
C6
E8
D6
F8
E7
F7
G8
XWRH
CD0
CA8
CA7
CA6
CA5
CA4
CA3
CA2
XDACK
XDREQ
XINT
XCS
CD15
CD14
CD13
CD12
CD11
CD10
CD9
XI
XO
G3
XRD
TEST
MUX
H1
TESTEN
H8
ATPGEN
A8
BURNIN
MACRO
DEVICE SERIAL
INTERFACE
ENGINE
HOST SERIAL
INTERFACE
ENGINE
A6
R1
A3
DP
A4
DM
B1VBUSFLG
C1
VBUSEN
C3VBUS
D1
XRESET
D8
CLKIN
CONTROLLER
FIRST-IN FIRST-OUT
USB
DMA
CONTROLLER
H3
XWRL
VSS
G7
B7
B6
B5
B4
B2
CVDD
D7
LVDD
G2
LVDD
C7
LVDD
A7
LVDD
A2
HVDD
C2
HVDD
B3
HVDD
A5
H7
CD8
F6
G6
H6
E6
F5
H5
G5
CD7
CD6
CD5
CD4
CD3
CD2
CD1
C4
CA1
D2
XBEL
VSS
VSS
VSS
VSS
VSS
/ENDPOINT
IC503, 602 TK63731AB1G0B
OVER CURRENT
THERMAL &
PROTECTION
CONTROL
ON / OFF
REGULATOR
VOLTAGE
B2
VIN
VCONT
GND
A1
REFERENCE
A2
B1
VOUT
IC504 TK63718HCL-G
IC509 SN74AVC1T45YZPR
C1
A
B1
GND
A1
VCCA
C2
B
B2
DIR
A2
VCCB
OVER CURRENT
THERMAL &
PROTECTION
CONTROL
ON / OFF
REGULATOR
VOLTAGE
1
VIN
2
GND
3
VOUT
VCONT
5
GND
4
NC
REFERENCE
6