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HCD-DH3/DH5BT/DH7BT
2
2
HCD-DH3/DH5BT/DH7BT
2-1. SCHEMATIC DIAGRAM – USB Section (1/2) (DH3/DH5BT) –
C907
C906
R915
R913
R908
R907
R906
R905
R904
R903
R902
C908
R944
R943
R942
R941
R916
C912
C910
RB923
RB924
C921
RB922
RB921
C904
C905
R901
C901
R937
R983
C915
R922
C913
C914
R934
R933
R932
R928
R920
C916
R925
R926
C920
FB901
R921
CN908
CN904
R981
IC901
IC921
C922
C903
JR902
C902
R949
R977
D902
D901
X901
R919
C909
IC915
FB902
C918
C917
D905
R923
R924
CN902
R948
R946
C930
0.1
0.1
10k
100k
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
0.1
100k
100k
100k
100k
0
R917
0
10p
22p
47
47
0.1
47
47
10
16V
0.1
10k
0.1
100
100
0.1
100k
0.1
0.1
10k
0
100
0
10k
0.1
15k
15k
0.1
100k
2P
7P
100
TMP92CD28AFG-
6UJ5
IS61LV6416
-10T
0.1
10
16V
0
10
16V
4.7k
100
MC2837
MC2837
9MHz
100
22p
R5523N001B-TR-F
10
220
6.3V
MC2837
27
27
4P
4.7k
4.7k
0
A1
A2
A3
A4
A1
A2
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
A1
A2
LB
UB
RD
A7
A8
A9
A10
A11
A12
A4
A5
A6
D12
D13
A4
A5
A6
D8
D9
D10
D11
D12
D13
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
R
S
T
D
I
A3
A7
A16
A
16
A3
D15
D14
D15
D14
D11
D10
D9
D8
VBUS-5V
VBUS-GND
BOOT
RESET
RXD1
TXD1
DVSS
VCC
AM0
(1/2)
D+
D-
AM0
DVSS
DVSS
R
V
O
U
T
1
R
V
IN
R
V
IN
R
V
O
U
T
2
DVSS
DVSS
D
V
S
S
A
M
1
X
2
D
V
S
S
X
1
A
1
3
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
S
S
D
V
C
C
D
V
C
C
D
V
S
S
N
O
U
S
E
N
O
U
S
E
N
O
U
S
E
D
V
C
C
G
-3
N
O
U
S
E
N
O
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
B
O
O
T
N
O
U
S
E
S
R
L
U
B
S
R
L
L
B
R
D
W
R
C
S
2
D
V
C
C
/C
C
E
/B
U
C
K
B
U
S
3
B
U
S
2
B
U
S
1
B
U
S
0
A
16
A
15
A
1
4
USB CONTROLLER
L
R
C
K
/R
E
S
E
T
/R
S
T
S-RAM
(NC)
VBUS POWER ON/OFF SWITCH
EN
GND
OUT
IN
FLG
NC
A6
A5
A4
A3
NC
I/O8
I/O9
I/O10
I/O11
VDD
GND
I/O12
I/O13
I/O14
I/O15
A2
A1
A0
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
GND
D+
D-
VBUS
(USB)
0
Refer to page
51 on original
service manual
Refer to page 7
on supplement-1
(Page 3)
Click on the first or last page to see other CMT-DH3 / CMT-DH5BT / CMT-DH7BT / HCD-DH3 / HCD-DH5BT / HCD-DH7BT (serv.man2) service manuals if exist.