Read Sony SS-US301 / SW-US301 / UZ-US301 Service Manual online
SS-US301/SW-US301/UZ-US301
11
11
• IC Block Diagrams
– MAIN Board –
– MAIN Board –
IC302
QS7779CM-G-E2
1
QXAC3
2
QXAC2
3
QXAC1
4
RIN
5
LIN
6
COUT
SURROUND
DECODER
7
CIN
8
VREFIN
10
VREF
11
GND
12
SPRD (SCL)
9
VREFOUT
Q1
VIRTUALIZATION
MULTIPLEX/
LEVELSHIFT
QXPANDER
∑
∑
18 ROUT
19 QXBC4
17 LOUT
16 MUTE (STRB)
15 VDD
20 QXBC3
21 QXBC2
22 QXBC1
23 VCC
24 QXAC4
13 BYP (SDA)
14 P/S
SERIAL I/O
IC501
PCM2704DBR
VOUTR
15
VCCR
16
VCCP
20
AGNDR
17
PGND
19
VCOM
18
1
XTO
2
CK
3
DT
4
PSEL
5
DOUT
7
VDD
10
VBUS
13
VCCL
6
DGND
11
ZGND
12
AGNDL
14
VOUTL
8
D–
9
D+
EEPROM
INTERFACE
5V TO 3.3V
VOLTAGE
REGULATOR
XCVR
USB SIE
D/A
CONVERTER
TRACKER
(SPACT)
PLL
(X8)
S/PDIF
ENCODER
ANALOG PLL
ISO-OUT
ENDPOINT
CONTROL
ENDPOINT
HID
ENDPOINT
FIFO
HOST
21
HID0/MS
22
HID1/MC
23
HID2/MD
24
TEST1
25
TEST0
26
XTI
28
SSPND
27
SPI
INTERFACE
POWER
MANAGER
USB PROTOCOL
CONTROLLER
+
–
–
1
VIN1
2
VOUT1
3
GND
4
DATA
LOGIC
CONTROL
VREF
+
–
–
+
–
8
VIN2
7
VOUT2
6
VCC
5
CLOCK
REF AMP
VOL AMP 2
VOL AMP 1
VR1
VR2
IC306, 307
M62429P
IC901
STR-F6676 (Except US Model)
– AMP Board –
IC901
STR-F6424 (US Model)
1
O.C.P/F.B
2
S
3
D
4
VIN
5
GND
DRIVE
O.S.C
LATCH
O.V.P
START
REG.
T.S.D
1
O.C.P/F.B
2
S
3
D
4
VIN
5
GND
DRIVE
O.S.C
LATCH
O.V.P
START
REG.
ICONST
T.S.D
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