Samsung Galaxy Tab 4 - Touchscreen Navigation

Level
3
Repair
Distribution, transmission, or infringement of any content or data from this document without Samsung
’s
written authorization is strictly prohibited.
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
8-10
8-3-3.
Charging Part
MUIC / OVP
C456
VREG_1V8
R421
VBUS_5V_IF
R414
AP_DP
TP_MUS_INT
C455
TP_USB_AP_ID
AP_DM
R420
V_USB_BLOCKVBUS_MUIC
V_SYS
IF_RXD
C457
C454
VREG_1V8
GND
D3
D4
GND
ID_CON
D5
RXD
E1
TXD
E2
BOOT
E3
JIG
E4
G
N
D
E
5
DM_CON
B5
DM_HT
C1 C2
SCL
VBUS_DEC
C3
AUDIO_R
C4
DP_CON
C5
V
B
A
T
D
1
IDBP
D2
V
D
D
I
O
A
2
CHG_DET
A3
V
B
U
S
_
O
U
T
A
4
V
B
U
S
_
I
N
A
5
DP_HT
B1
SDA
B2
AUDIO_L
B3
MIC
B4
SM5502
U402
1
N
C
2
N
C
INTB
A1
TP_BOOT
R423
IF_TXD
JIG_ON_N
CHG_DET
JTAG_JIG_ON_
N
JTAG_TXD
JTAG_RXD
AP_DP
MUS_SDA
EARSPK_L_3.5
USB_DM
AP_DM MUS_SCL
EARSPK_R_3.5 USB_DP
PMU_USB_ID
MUIC_RXD
MUIC_TXD
MUIC_INT
TA
/
USB Insert
Yes
END
Charging Sequence Start
VBUS_5V_IF=
5
V(C457)
No
Check CURRENT_TEST
=5
V,
or may not connected TA
/
USB
Yes
Battery is Charging?
No
Resolder or Replace L481, U480
Yes
Check the
VBUS_MUIC=5V(C491)
Resolder or Replace U402
No
Yes