Sony Ericsson NWZ-A826K - Manual (Page 32)

NWZ-A826/A826K/A828/A828K/A829
NWZ-A826/A826K/A828/A828K/A829
32 32
• 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
CON2 6
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
A5 PIO7
A6 GND
B1 UART_TXD
B2 UART_RXD
B4 PIO8
B5 VCC_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
B3 UART_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
B1 VBUSFLG
C1 VBUSEN
C3 VBUS
D1 XRESET
D8 CLKIN
CONTROLLER
FIRST-IN FIRST-OUT
USB
DMA
CONTROLLER
H3 XWRL
VSS
G7 B7 B6 B5 B4 B2
CVDD
D7
LV
D D
G2
LV
D D
C7
LV
D D
A7
LV
D D
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