Usb Board - EUROCOM M660N Service Manual

USB BOARD

UJAC1
UPF1
1 UVA+ UVA++
1
2
2
GND1 5A
3
GND2
4
UPC1 UPC2
ACIN_CON
PIN GND3~4 =UGND 0.1UF/50V_0805
UGND 0.1UF/50V_0805
Z3802
U+3VH8
UR3
UU1
1
VS Q
6
PRG GND
2
GND GND
UC4
0.01UF TLE_4917
UGND
LID SWITCH
UR2 560K
Z3803
UUSB_OC2# UR1 470K
HCB1608K-121T25
1 2
U+5V
UF1 1.1A
ULP2
8P4LXBLA3216A221SG4
URING# 5 4 Z3807
Z3808
UDTR# 6 3
UCTS# 7 2 Z3809
Z3810
UTXD 8 1
Z3811
URXD 8 1
URTS# 7 2 Z3812
UDCD# 6 3 Z3813
Z3814
UDSR# 5 4
ULP1
8P4LXBLA3216A221SG4
UCP1
8P4CX180PF
UH4 UH5 UH1
C79D79 C237D91 C79D79 UGND
UH2
2 9 2
3 8 3
4 7 4
1
5 6 5
MTH8_0D2_8
UGND
UGND UGND
UPR2 *0(1206) Z3801
UPL1
1 4
UGND
UPC3
2 3 0.1UF/50V_0805
U+5V
EMI_CHOKE UUSB_OC2#
UUSB_PN2
UPR1 *0(1206) UUSB_PP2
U+3VH8
UDSR#
UGND UDCD#
UTPA0P
UTPA0N
UD1
ULID_RSUM#
*2.7K *BAV99
2005/11/16
3 AC
4
5
UGND
UGND
ULID_RSUM#
UL2
UC1 UUSB_PN2 4
UC3
+
UUSB_PP2 1
0.1UF 100uF/10V
UGND UGND
UJCOM1
10
5
9
4
8
3
7
2
6
1
11
ECOM1_DB9
PIN 12~23=UGND
UCP2
8P4CX180PF
UGND
UH3
9
8
7
1
6
MTH8_0D2_8
UGND
UJUSB2
1 2
3 4
5 6
7 8
UGND
9 10
11 12 U+5V
13 14
15 16 U+3VH8
17 18 URING#
19 20 UDTR#
21 22 UCTS#
23 24 UTXD
25 26 URTS#
27 28 URXD
UTPB0P
29 30
UTPB0N
31 32
CON32AA
UGND
UC2
UJUSB1
0.1UF
Z3804
1
VCC
GND1
S
Z3805
UL3 3 2
DATA-
GND2
S
Z3806
2 3
DATA+
PWC1206ST161T
4
GND
UGND
USB_1
UGND
UJ1394PORT1
UL1
UTPA0P Z3815
1 8 4
TPA+
UTPA0N 2 7 Z3816 3
TPA-
UTPB0P 3 6 Z3817 2
TPB+
UTPB0N Z3818
4 5 1
TPB-
B4W
1394_CON
2005/11/15
Schematic Diagrams
Sheet 38 of 40
USB BOARD
GND1
GND
GND2
GND
GND3
GND
GND4
GND
UGND
USB BOARD B - 39