Schematic Diagram - Usb Section (Hx3/Hx5) - Sony CMT-HX3 Service Manual

6-9. SCHEMATIC DIAGRAM – USB Section (HX3/HX5) –
BOOT
R921 100k
FLG
C913 0.1
R920
10k
C914 0.1
R922 100k
EN
R923 27
R924 27
AMO
R928
0
DO
USB-SO
TXD1
USB-SI R981 100
RXD1
BCK
A-IN R933 0
GATE
C915 0.1 R934 10k
REQ
ST-REQ R938 100
R946 4.7k
R948 4.7k
HCD-HX3/HX5/HX7
• See page 41 for Waveforms. • See page 46 for IC Block Diagrams. • See page 53 for IC Pin Function Description.
C912 C910 C909
10p 22p 22p
R916
0
R919
100
X901
9MHz
R917
0
DVCC A12
USBOC A11
USBPON A10
D+ A9
D- A8
AM0 DVCC
NO USE DVSS
DVSS A7
DO A6
DATA A5
CLOCK A4
USB CONTROLLER
TXD1 A3
IC901
TMP92CD28FG-2CB2
RXD1 A2
NO USE A1
SDA A0
SCL D15
BCK D14
DATA D13
GATE D12
DVCC D11
REQ D10
ST-REQ D9
G-1 D8
G-2 DVCC
DVSS DVSS
C904
R950 C905
10
4.7k 0.1
16V
S-RAM
IC921
IS61LV6416-10T
NC NC
A7
A6 A7
A6
A5 A8
A5
A4 A9
A4
A3 A10
RB923
NC WE
47
D8
I/O8 I/O7
D9
I/O9 I/O6
D10
I/O10 I/O5
D11
I/O11 I/O4
VDD GND
RB924
GND VDD
47
D12
I/O12 I/O3
D13
C907
I/O13 I/O2
0.1
D14
I/O14 I/O1
A12 D15
I/O15 I/O0
A11 LB
LB CE
A10 UB
UB A11
A9 RD
OE A12
A8 A3
A2 A13
A2
A1 A14
A1
A0 A15
A7
C922 C921
0.1 0.1
A6
A5
A4
A3
FB902
A2
A1
R926
D15 15k
D14 FB901
0
D13
C920 R925
D12
0.1 15k
D11
D10
D901 D902
D9
MC2837 MC2837
D8
D905
MC2837
C917 C918
220 10
6.3V
C906
0.1 VBUS POWER ON/OFF SWITCH
IC915
R5523N001BTR-F
EN
EN OUT
C916
GND
0.1
FLG
FLG IN
27 27
CN905
19P
A8
R970 100
CCE
A9 CCE
R971 100
BUCK
A10 BUCK
R972 100
BUS3
A11 BUS3
R973 100
BUS2
WR BUS2
R974 100
BUS1
D7 BUS1
R975 100
BUS0
D6 BUS0
RB922 47 D5 DVDD3.3V
D4 DVSS
R976 100
LRCK
LRCK
USB-RST
USB-RST
ST-REQ
D3 ST-REQ
R977 100
REQ
D2 REQ
R978 100
GATE
RB921 47 D1 GATE
R979 100
A-IN
D0 A-IN
R932 100 (Page 35)
BCK
SRAM-CS BCK
USB-SI
A12 USB-SI(RXD)
R982 100
USB-SO
A13 USB-SO(TXD)
DI
A14 DI(CTS)
R984 100
DO
A15 DO(RTS)
A16
CN902
4P
(USB)
VBUS
D-
D+
GND
C930
0
CN322
2P(HX3)
4P(HX5)
+11V
GND
DVDD_5V
DGND
(HX5)
(Page 34)
CN908 CN324
2P 2P
VBUS-5V VBUS-5V
VBUS-GND VBUS-GND
CN904
7P
BOOT
BOOT
AM0
AM0
TXD1
TXD1
RXD1
RXD1 (NC)
RESET
RESET
DVSS
VCC
(CHASSIS)
EP901
HCD-HX3/HX5/HX7
R307
SWITCHING REGULATOR
100k
IC319
SI-8008TFE
R317
4.7k
R315
0
L101
47µH
D208
21DQ04
C325
R314 R409
2200
1k 4.7k
16V
C358 C324
0.1 220
25V