Audio/Usb Board - EUROCOM A110EU Service Manual

Schematic Diagrams

Audio/USB Board

Sheet 43 of 45
Audio/USB Board
B - 44 Audio/USB Board
E_5V
E_J_CN1
1 2 E_USB_P2_DN
1 2
3 4
E_USB_P2_DP
5 3 4 6
E_USB_P3_DN
5 6
E_HP_SENSE 7 8 E_USB_P3_DP
7 8
E_MIC_SENSE 9 10 E_USB_P4_DN
9 10
E_HEADPHONE-R 11 12 E_USB_P4_DP
11 12
E_HEADPHONE-L 13 14 E_DD_ON#
13 14
15 16
E_MIC1-R
15 16
E_MIC1-L 17 18
17 18
19 20
19 20
NC2 NC1
E_AUDG 87216-2006
E_GND
E_C4 0.1u_16V_Y5V_04
E_C8 0.1u_16V_Y5V_04
6/28
E_C1 0.1u_16V_Y5V_04
E_AUDG
E_GND
6/21
E_R1 0_04
E_C2
*220u_6.3V_6.3(D)*4.2(H) E_R3 49.9_1%_04 E_L1 FCM1005KF-121T03
E_HEADPHONE-R Z4305 Z4301
E_R5 49.9_1%_04 E_L2 FCM1005KF-121T03
E_HEADPHONE-L Z4306 Z4302
E_C20
*220u_6.3V_6.3(D)*4.2(H)
E_R6 0_04
1228
E_MIC1-R E_L4 FCM1005KF-121T03
E_MIC1-L
E_L3 FCM1005KF-121T03
E_C6
*100p_50V_NPO_04 *100p_50V_NPO_04
E_AUDG
E_5V
E_C13 E_C14
*0.1u_16V_Y5V_04 *0.1u_16V_Y5V_04
For ESD
E_GND E_GND
HEADPHONE
E_HP_SENSE
E_J_HP1
5
4
3
A1504
A1505 6
A1506 2
1
2SJ-S351-S30
E_R4 E_R2 BLACK
*1K_04 *1K_04
E_AUDG
MIC IN
E_J_MIC1
5
4
E_MIC_SENSE
3
Z4303 E_J_USB3 only for KEYBOARD MOUSE USE
6
Z4304 2
1
E_C7 2SJ-S351-S30
BLACK
E_AUDG E_AUDG
E_H2 E_H3 E_H1
H6_0D2_9 H6_0D2_9 C111D111N
E_GND E_GND
E_USBVCC2.0
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E_U1 50 MIL
E_5V 5 6
FLG# VOUT1
2 7
VIN1 VOUT2
3 8
VIN2 VOUT3
4 1
E_C18 E_DD_ON#
EN# GND
10u_10V_Y5V_08_E SY6288DCAC
E_GND
SY6288DCAC
APL3518BXITRG
E_GND
uP7534BRA8-20
E_GND
E_USBVCC2.0
40 mil
USB2.0 Port
E_C9
+
E_C10
220u_6.3V_6.3*6.3*4.2 0.1u_16V_Y5V_04
E_GND
E_J_USB1
E_R8 *0_04 1
E_GND
V+
E_USB_P3_DN 1 E_L5 2 E_USB_P3_DN_C 2
DATA_L
4 3 3
E_USB_P3_DP E_USB_P3_DP_C
DATA_H
WCM2012F2S-161T03
4
GND
E_R7 *0_04
E_GND
E_USBVCC2.0
40 mil
E_GND
E_C11
+
E_C12
0.1u_16V_Y5V_04
*220u_6.3V_6.3*6.3*4.2
E_GND E_J_USB2
1
E_R10 *0_04
E_GND
V+
1 E_L6 2 2
E_USB_P2_DN E_USB_P2_DN_C
DATA_L
E_USB_P2_DP 4 3 E_USB_P2_DP_C 3
DATA_H
WCM2012F2S-161T03
4
GND
E_R9 *0_04
E_GND
E_GND
E_USBVCC2.0
40 mil
E_C15 E_C16
FOR KEYBOARD MOUSE
22u_6.3V_X5R_08_E 0.1u_16V_Y5V_04
E_J_USB3
E_GND E_GND
1
E_R11 *0_04
V+
E_USB_P4_DN 4 3 E_USB_P4_DN_C 2
DATA_L
1 2 3
E_USB_P4_DP E_USB_P4_DP_C
DATA_H
E_L7
4
WCM2012F2S-161T03
GND
E_R12 *0_04
E_GND
E_H4
E_GND
C111D111N
E_GND