Service manual

Schematic Diagrams
USB BOARD B - 39
B.Schematic Diagrams
USB BOARD
UGND
UPR2 0_12
UGND
UGND
UGND
Z3905
UD1
*BAV99
C
AC
A
UR2 82K_06
UUSB_OC2#
PIN GND3~4 =UGND
UPC2
.1U_50V_08
UPC3
.1U_50V_08
UGND
UGND
UR1 68K_06
UGND
UH2
C237D91
UJUSB2
CON20A
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
UGND
UGND UGND
UGND
U+VDD3
UH6
C197D91
UGND
UC3
.1U_50V_06
UL2
HCB3216KF-800T30_12
UC4
.01U_50V_06
U+5V
UPL1
*EMI_CHOKE
32
1 4
UH7
C197D91
UU2
RT9701-CPL
1
2
3
4
5
VOUT
GND
VIN
VIN
VOUT
UVA++
UUSBVCC? ? ? ? ? 5V
~ 5.25V? ? ,? ? ? ?
4.9V,???????
Device? Eye Pattern Test
fail? ? ? ? ? ?
U+VDD3
+
UC5
150U_6.3V_B
12
UUSBVCC
UGND
Z3903UL3
WCM3216F2S-161T03
1
4
2
3
UH1
C79D79
UUSB_OC2#
UU1
TLE4917DS
1
2
3
46
5
VS
GND
Q
GNDPRG
GND
UGND
UGND
Z3901
UUSB_PP1
UUSB_PN1
ULID_RSUM#
UGND
+
UC1
100U_10V_D
U+VDD3
LID SWITCH
UC6
.1U_10V_04
UC2
.1U_50V_06
UC8
10U_10V_08
UGND
UUSB_PP1
UVA+
UR3 2.7K_06
UC9
1U_10V_06
UJAC1
ACIN_CON
1
2
GND1
GND2
1
2
3
4
UC7
.1U_10V_04
UPC1
.1U_50V_08
UJUSB1
USB_1
1
2
3
4
GND1
GND2
VCC
DATA-
DATA+
GND
S
S
U+5V
U+5V
UPR1 0_12
ULID_RSUM#
UGND
UGND
UUSB_PN1
Z3904
UPF1
5A
Z3902
1
UH5
MTH8_0D2_8
2
3
4
5 6
7
8
9
Sheet 38 of 41
USB BOARD