LG GD580 - Page 32

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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3. Technical brief
Figure 3-1-8. Schematic of DB3150 USB block
Figure 3-1-9. Schematic of USB Transceiver
3P
4
N
9M
9N
2
P
9
K
9
J
0_OIPG_CC
A
1_
O
I
P
G_CC
A
2
_
OI
PG_
CC
A
3
_OI
PG_
CC
A
4
_OI
PG_
CC
A
5
_OIPG_
C
CA
TEDBV_BSU_CCA
VCR
_
B
S
U_CCA
X
T
_
0
TRA
U
_C
CA
XR_0TRAU_CC
A
N
EU
P
_
B
SU
_
C
C
A
DNPSU
S
_
B
SU
_
CCA
K
0
0
1
2
2
3R
61
_OIPG_CCA
NO
C
D
M4
L3
L4
USB_DAT_VP
USB_SE0_VM
USB_OE
USB_DAT_VM
USB_OE
USB_DAT_VP
U2.2
3
06C
7
06C
U
1
.
0
S
B2
0
11
PS
I
3
06
U
7 6 5 4
8
3
92
01
1
11 12 13 14 15
PGND
SOFTCON
VPU_3_3
VCC_5_0
VREG_3_3
EO
_
C
N
V
C
R
+D
OPV_P
V
-
D
VM_VMO
SUSPND
VCC_IO VBUSDET
1
16C
U
1
3351
6
R
3
3816R
8
V1
_
EDD
V
SUBV
K
0
01
2
2
6
R
M
1
3
2
6R
M1
52
6R
K
5
.
1
7
2
6R
M
V
_
T
A
D_
B
S
U
EO_BS
U
P
V
_TAD_BSU
TED
B
V
_B
SU_CC
A
VCR_
B
SU_CC
A
N
E
U
P_BS
U
_CCA
DN
P
SU
S
_BSU
_
CCA
P
D
_B
SU
MD_B
S
U