Sony HCD-GT22, Руководство по обслуживанию

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HCD-GT22/GT44/GT55
33 33
HCD-GT22/GT44/GT55
7-10. SCHEMATIC DIAGRAM – USB Board –
•
See page 36 for Waveforms.
•
See page 58 for IC Block Diagrams.
•
See page 61 for IC Pin Function Description.
C
5V REG
BOARD
E
MIC
BOARD
CN802
D
MAIN
BOARD
(3/4)
CN301
11
R986 100 DATA
R985 100 CLOCK
C930
0
C919
0.1
CLOCK
DATA
CLK
DATA
R970
R971
R972
R973
R974
R975
R976
R977
R979
R978
R932
R982
R984
RB922
RB921
RB923
RB924
C907
C906
C921
R901
C901 R937 R983
C902
JR902
C903
C922
R907 R906 R905 R904 R903 R902
R917
R915 R913 C908
R919
C909
R916
C910 C912
R944 R943 R942 R941
C905
C904
R933
R934
R938
C915
C913
C914
R981
R922
R924
R923
R921
IC921
CN904
R926
R925 C920
IC915
C916
R920
CN907
CN903
CN901
FB902
FB901
D902
C917
R945
R947
IC901
R928
D901
X901
R950
100
100
100
100
100
100
100
100
100
100
100
100
100
47
47
47
47
0.1
0.1
0.1
10k
0.1 100 100
10
16V
0
10
16V
0.1
4.7k 4.7k 4.7k 4.7k 4.7k 4.7k
0
10k 100k 0.1 100
22p
0
22p 10p
100k 100k 100k 100k
0.1
10
16V
0
10k
100
0.1
0.1
0.1
100
100k
27
27
100k
IS61LV6416-10T
7P
15k
15k 0.1
R5523N001BTR-F
0.1
10k
21P
5P
2P
4.7k
4.7k
0
9MHz
4.7k
A
1
3
A
1
4
A
1
5
D
0
D
1
D
2
D
3
D
4
D
5
D
6
D
7
R
D
W
R
L
B
U
B
S
R
A
M
-C
S
A8
A9
A10
D7
D4
D5
D6
WR
D0
D1
D2
D3
SRAM-CS
A11
A12
A13
A14
A15
LB
UB
RD
A7
A8
A9
A10
A11
A12
A4
A5
A6
D12
D13
D14
D15
A4
A5
A6
D8
D9
D10
D11
D12
D13
D14
D15
B
U
S
0
B
U
S
1
B
U
S
2
B
U
S
3
B
U
C
K
C
C
E
USB-SI
USB-SO
DO
U
S
B
-R
S
T
L
R
C
K
BCK
REQ
ST-REQ
A-IN
GATE
LRCK
CCE
BUCK
BUS3
BUS2
BUS1
BUS0
DO
DI
USB-SO
USB-SI
BCK
A-IN
GATE
REQ
ST-REQ
USB-RST
D
I
A7
A16
A
1
6
A1
A2
A3
A1
A2
A3
D11
D10
D9
D8
BOOT
AMO
TXD1
RXD1
R
E
S
E
T
BOOT
AM0
TXD1
RXD1
RESET
EN
FLG
EN
FLG
MC2837
220
6.3V
TMP92CD28FG-2CB4
MC2837
D+
D-
AM0
DVSS
DVSS
R
VO
U
T1
R
VIN
RV
IN
RV
O
U
T2
DVSS
DVSS
D
VS
S
AM
1
X2
D
VS
S
X
1
VBUS-5V
DVDD+3.3V
DVSS
LRCK
CCE
BUCK
BUS3
BUS2
BUS1
BUS0
USB-RST
ST-REQ
REQ
GATE
A-IN
BCK
VBUS-GND
BOOT
RESET
RXD1
TXD1
DVSS
VCC
AM0
DI(CTS)
DO(RTS)
USB-SI(RXD)
USB-SO(TXD)
NC
A6
A5
A4
A3
NC
I/O8
I/O10
I/O11
VDD
GND
I/O12
I/O13
I/O14
I/O15
A2
A1
A0
I/O9
NC
A7
A8
A9
A10
I/O7
I/O6
I/O5
I/O4
GND
VDD
I/O3
I/O2
I/O1
I/O0
A11
A12
A13
A14
A15
WE
CE LB
UB
OE
A
13
GND
D+
D-
VBUS
EN
GND
OUT
IN FLG
(USB)
(NC)
S-RAM
VBUS POWER ON/OFF SWITCH
A12
A11
A10
A9
A8
DVCC
A7
A6
A5
A4
A3
A2
A1
A0
D15
D14
D13
D12
D11
D10
D9
D8
DVCC
D
7
D
6
D
5
D
4
D
3
S
2
D
1
D
0
D
V
SS
D
V
CC
DV
CC
DV
SS
N
O
U
SE
NO
U
S
E
NO
U
S
E
DVCC G-3 NO
U
S
E
NO
U
S
E
D
I
G-2
G-1
ST-REQ
REQ
DVCC
GATE
DATA
BCK
SCL
SDA
NO USE
RXD1
TXD1
CLOCK
DATA
DO
NO USE
USBPON
USBOC
DVCC
BO
OT
N
O
USE
S
R
LU
B
S
RLLB
R
D
W
R
CS2
D
VCC
NO
US
E
/CCE
/B
U
CK
B
U
S3
B
U
S2
B
US1
B
US0
A
16
A
15
A
14
USB CONTROLLER
LRCK
/R
ESET
(Page 40)
(Page 43)
(Page 41)