Main - Usb Circuit Diagram - LG BP340 Service Manual

7. MAIN - USB CIRCUIT DIAGRAM

12
11
3.3V 3.3V U1E U1E
F21
DVCC33_IO
AB4
DVCC33_IO
C114 C114 C116 C116 AC5
DVCC33_IO
10 K8
DVCC33_IO
0.1uF/16V/X7R 0.1uF/16V/X7R 0.1uF/16V/X7R 0.1uF/16V/X7R L8
DVCC33_IO
J11
DVCC33_IO
G20
DVCC33_IO
J9
DVCC33_IO
NFALE AC6
NFALE
AD4
NFCEN
NFCEN
NFCLE AD5
NFCLE
NFRBN AD3
9
NFRBN
ATS POINT NFREN AE4
NFREN
NFWEN AD6
NFWEN
NFCEN2_R AE5
BOTTOM LAYOUT TP35 TP35
NFCEN2
NFRBN2_R AE3
TP36 TP36
NFRBN2
NFD0 AC3
NFD0
GND1 GND1
NFD1 AE2
NFD1
NFD2 AD2
NFD2
NFD3 AE1
NFD3
NFD4 AC2
NFD4
NFD5 AD1
8 NFD5
NFD6 AB3
NFD6
NFD7 AC1
NFD7
3.3V
C22
GPIO2
GPIO3 AA5
GPIO3
AA4
GPIO4
AB1
GPIO5
AB2
GPIO6
Y6
GPIO7
7
SCL AA1
SCL
SDA AA2
SDA
W7
EFPWRQ
6 G25
VOUTD0
G24
VOUTD1
F25
VOUTD2
VOUTD3 G23
7,8
VOUTD3 VOUTD3
VOUTD4 E25
7,8
VOUTD4 VOUTD4
VOUTD5 F24
7,8
VOUTD5 VOUTD5
VOUTD6 D25
7,8 VOUTD6 VOUTD6
VOUTD7 E24
VOUTD7
C25
VOUTD8
D24
VOUTD9
B25
5
VOUTD10
C24
VOUTD11
A25
VOUTD12
3.3V B24
VOUTD13
A24
VOUTD14
E23
VOUTD15
R99 R99 10K 10K H22
VOUTHSYNC
G21
VOUTVSYNC
F22
VOUTCLK
FOR WATERMARK
4
MT8551 MT8551
DV R99 ON R106 NC
PV R99 NC R106 ON
3
2
1
A B C D
AA3 AVDD33_USB
3.3V
AVDD33_USB
C84 C84
NC/0.1uF/16V/X7R NC/0.1uF/16V/X7R
W4
AVSS33_USB
W1
USBP0
8
USB_DP_P0 USBP0
W2 USBM0
8
USB_DM_P0 USBM0
Y1 USBP1
USB_DP_P1
Y2 USBM1
USB_DM_P1
V1
USB_DP_P2
V2
USB_DM_P2
U3 USB_VRT R69 R69 5.1K/1% 5.1K/1%
USB_VRT
G11 AVDD12_REC
AVDD12_REC 1.2V
F11
AVSS12_REC
F9 AVDD33_COM
3.3V
AVDD33_COM
E9
AVSS33_PLL
G9 AVDD33_LD
3.3V
AVDD33_LD
F13
AVSS33_LD
A5
TP37 TP37
TXVN_0
B5
TP38 TP38
TXVP_0
KEY DOWNLOAD
A6
TXVN_1 TP39 TP39
B6
TP40 TP40
TXVP_1
B7 REXT R70 R70 24K/1% 24K/1%
REXT
3.3V
R124 R124 NC/10K NC/10K VOUTD7
E F G H I
3-25
3.3V
R55 R55 R56 R56 R57 R57 R58 R58 R59 R59 R60 R60
10K 10K NC/10K NC/10K NC/10K NC/10K NC/10K NC/10K NC/10K NC/10K NC/10K NC/10K
AMUTE
NFCEN
NFWEN
NFALE
NFCLE
NFREN
R62 R62 R63 R63 R64 R64 R65 R65 R66 R66 R67 R67
NC/10K NC/10K 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K
AMUTE: ICE mode Enable
[Nfcen , Nfwen]= [1, 0]test_cpum ,
[0, 0] normal mode, [1, 1] scan
mode
[Nfale, Nfcle]= [1, 0] OLT mode, [0,
1] ABIST mode, [0, 0] NAND from NDND
pin, [1, 1] NAND from digital video
output pin
NFREN: mmc boot mode
3.3V
U8 U8
48 1 R61 R61
NC NC
47 2 4.7K 4.7K
NC NC
46 3
NC NC
45 4
NC NC
NFD7 R73 R73 150 150 44 5
I/O7 NC
NFD6 R74 R74 150 150 43 6
I/O6 SE
42 7
NFD5 R75 R75 150 150
I/O5 R/B
NFD4 R76 R76 150 150 41 8
I/O4 RE
40 9
NC CE
39 10
NC NC
38 11
NC NC
37 12
3.3V
VCC VCC
36 13
VSS VSS
C106 C106 35 14
NC NC
0.1uF/16V/X7R 0.1uF/16V/X7R 34 15
NC NC
33 16
NC CLE
NFD3 R77 R77 150 150 32 17
I/O3 ALE
NFD2 R79 R79 150 150 31 18
I/O2 WE
NFD1 R78 R78 150 150 30 19
I/O1 WP
NFD0 R80 R80 150 150 29 20
I/O0 NC
28 21
NC NC
27 22
NC NC
26 23
NC NC
25 24
NC NC
Nand_2Gb_MIRCON Nand_2Gb_MIRCON
NAND Flash
J K L M
3-26
AMUTE
8
LED
7,8
VOUTD3
7,8
VOUTD4
7,8 VOUTD5
7,8
VOUTD6
NFRBN
NFREN
NFCEN
3.3V
USBP1
3.3V
USBM1
C105 C105 FB21 FB21 0 0 WIFI_VCC
0.1uF/16V/X7R 0.1uF/16V/X7R
NFCLE
NFALE
NFWEN
NFWP# R68 R68 10K 10K
3.3V
N O P Q R
AMUTE
6
LED GPIO3
VOUTD3
VOUTD4
VOUTD5
VOUTD6
W_VCC W_VCC USBP1 USBP1
USBM1 USBM1 GND3 GND3
1
1
2
2
3
3
4
4
C373 C373 XP2 XP2
0.1uF/16V/X7R 0.1uF/16V/X7R 4PIN/2.0mm 4PIN/2.0mm
WIFI PORT
S T