Schematic Diagram -Usb Section - Sony HCD-DJ2i Service Manual

6-19. SCHEMATIC DIAGRAM – USB Section –
R921 100k
FLG
C913 0.1
R920
10k
C914 0.1
R922 100k
EN
R923 27
R924 27
R928
0
DO
DATA R986 100
CLOCK R985 100
USB-SO
USB-SI R981 100
BCK
A-IN R933 0
GATE
C915 0.1 R934 10k
REQ
ST-REQ R938 100
R945
4.7k
HCD-DJ2i
• See page 32 for waveforms. • See page 60 for IC Block Diagrams.
C912 C910 C909
10p 22p 22p
R916
0
R919
100
X901
9MHz
R917
0
1
DVCC
USBOC
USBPON
D+
D-
AM0
NO USE
DVSS
DO
DATA
CLOCK
USB CONTROL
TXD1
IC901
TMP92CD28AFG-7AC9
RXD1
NO USE
SDA
SCL
BCK
DATA
GATE
DVCC
REQ
ST-REQ
G-1
G-2
R947 4.7k
DVSS
R949
4.7k
C904
10
16V
• See page 65 for IC Pin Function Descriptions.
A7
A6
A5
A4
RB923
47X4
D8
D9
D10
D11
RB924
47X4
D12
D13
C907
0.1
D14
A12 D15
A12
A11 LB
A11
A10 UB
A10
A9
RD
A9
A8 A3
A8
A2
DVCC
A1
DVSS
A7 C922
A7
0.1
A6
A6
A5
A5
A4
A4
A3
A3
A2
A2
A1
A1
A0
D15
D15
D14
D14
D13
D13
C920
D12
0.33
D12
D11
D11
D10
D10
D9
D9
D8
D8
DVCC
DVSS
C906
0.1 VBUS POWER ON/OFF SWITCH
EN
FLG
C905
0.1
47 47
S-RAM
IC921
IS61LV6416-10TLT
NC NC
A8
A6 A7
A9
A5 A8
A10
A4 A9
A11
A3 A10
WR
NC WE
D7
I/O8 I/O7
D6
I/O9 I/O6
RB922 47X4 D5
I/O10 I/O5
D4
I/O11 I/O4
VDD GND
GND VDD
D3
I/O12 I/O3
D2
I/O13 I/O2
RB921 47X4 D1
I/O14 I/O1
D0
I/O15 I/O0
SRAM-CS
LB CE
A12
UB A11
A13
OE A12
A14
A2 A13
A15
A1 A14
A16
A0 A15
C921
0.1
FB902
D904 MAZ8068GMLS0
R926
D903 MAZ8068GMLS0
15k
FB901
R925
15k
D901 D902
MC2837 MC2837
C918
C917
220 0.1
6.3V
IC915
R5523N001B-TR-F
EN OUT
C916
GND
0.1
FLG IN
HCD-DJ2i
CN907
21P
R970 100
CCE
CCE
R971 100
BUCK
BUCK
R972 100
BUS3
BUS3
R973 100
BUS2
BUS2
R974 100
BUS1
BUS1
R975 100
BUS0
BUS0
DVDD+3.3V
DVSS
R976 100
LRCK
LRCK
USB-RST
USB-RST
H
ST-REQ
ST-REQ
R977 100
REQ
REQ
R978 100
GATE MAIN
GATE
DIGITAL
R979 100
A-IN
A-IN BOARD
R932 100
(1/2)
BCK
BCK
CN351
USB-SI
USB-SI
(Page 37)
USB-SO R982 100
USB-SO
DI
DI
R984 100
DO
DO
CLOCK
CLOCK
DATA
DATA
CN903
5P
VBUS
D-
P
D+
GND
USB
SHIELD
CONNECTOR
BOARD
C919 NO1200
C930
0.1 0.33
(Page 51)
EP901
(CHASSIS)
CN901
2P
USB +5V
O
GND
REGULATOR
BOARD
CN1601
(Page 43)