Sony NWZA816P - DIGITAL MEDIA PLAYER/MP3 PLAYER Service Manual page 28

NW-A805/A806/A808/NWZ-A815/A816/A818
• IC Block Diagrams
– MAIN Board –
IC301 XC6401FF58DR
ON / OFF
EN2 1
CONTROL
REGULATOR 2 6 VOUT2
VOLTAGE
VIN 2
REFERENCE
REGULATOR 1 5 VOUT1
ON / OFF
EN1 3
CONTROL
4
VSS
7
IC501 S1R72V17B00A20B
A1 G7 B7 B6 B5 B4 B2 D7 G2 C7 A7 A2 C2 B3 A5
XI B8
OSCILLATOR
XO C8
USB
FIRST-IN FIRST-OUT
TESTEN H1
USB
TEST
ATPGEN H8 FIRST-IN FIRST-OUT
MUX
CONTROLLER
BURNIN A8
DEVICE SERIAL
INTERFACE
CPU INTERFACE
ENGINE
CONTROLLER
MULTI
A6
R1 CHANNEL
TRANSCELVER
A3
DP /ENDPOINT
MACRO
DM A4
DMA
HOST SERIAL CONTROLLER
VBUSFLG B1
INTERFACE
VBUSEN C1
ENGINE
VBUS C3
XRESET D1
CLKIN D8
XRD G3
XWRL H3
F3 H2 E3 G4 F4 D2 C4 E1 C5 E2 D3 G1 F1 F2
IC503, 602 TK63731AB1G0B
A2
B2 VIN
THERMAL &
OVER CURRENT
PROTECTION
REGULATOR
ON / OFF VOLTAGE
CONTROL REFERENCE
GND A1
B1
NW-A805/A806/A808/NWZ-A815/A816/A818
IC303 MAX4764ETB+TG069
VCC 1 10 NO2
NO1 2 9 COM2
COM1 3 8 NC2
NC1 4 7 IN2
IN1 5 6 GND
11
C6 CD15
E8 CD14
D6 CD13
F8 CD12
E7 CD11
F7 CD10
G8 CD9
H7 CD8
F6 CD7
G6 CD6
H6 CD5
E6 CD4
F5 CD3
H5 CD2
G5 CD1
H4
IC504 TK63718HCL-G
VIN 1
THERMAL &
OVER CURRENT
PROTECTION
GND 2
REGULATOR
VOLTAGE ON / OFF
CONTROL
REFERENCE
3
VOUT
IC509 SN74AVC1T45YZPR
VCCA A1 A2 VCCB
B2 DIR
GND B1
A C1 C2
B
IC802 BD6069GUT-E2
C3 C2
DRIVER
GNDA A1
OVER VOLTAGE
EN A2
CONTROL
OSCILLATOR
SHUTDOWN
PWM
COMPARATOR
ERROR AMP
CURRENT
SENSE
+
A3 B1
28 28
IC505, 506 TC7WG74FC
8 VCC
7 XPR
S
Q
CK 1 C
2
D
D
6 VCONT XQ 3 XQ
6 XCLR
R
GND 4 5 Q
5 GND
9
4 NC
C1 VOUT
PROTECT
SHORT
PROTECT
THERMAL
B3 VFB