Hisense 55U8GQ Service Manual page 55

Table of Contents

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5
N1G
G1
GND
P1
AA17
GND
GND
V2
AB17
GND
GND
AE2
GND
C3
AD17
GND
GND
L3
A18
GND
GND
AB3
F18
GND
GND
G18
GND
H18
GND
J4
J18
GND
GND
R4
L18
GND
GND
T4
GND
A5
N18
GND
GND
J5
P18
GND
GND
T5
R18
GND
GND
AH5
T18
GND
GND
B6
GND
D6
GND
F6
D
GND
J6
GND
H6
GND
V6
GND
AE6
AC18
GND
GND
AF6
AD18
GND
GND
AK6
C19
GND
GND
D19
GND
F19
GND
J7
G19
GND
GND
K7
H19
GND
GND
L7
J19
GND
GND
M7
K19
GND
GND
N7
L19
GND
GND
M19
V7
GND
N19
GND
GND
W7
P19
GND
GND
Y7
R19
GND
GND
AA7
T19
GND
GND
AB7
J23
GND
GND
AC7
AC22
GND
GND
AD7
AD22
GND
GND
D8
AD23
GND
GND
AA19
GND
AB19
GND
J8
AC19
GND
GND
K8
AD19
GND
GND
L8
AH19
GND
GND
G13
B20
GND
GND
G14
D20
GND
GND
G15
F20
GND
GND
R8
G20
GND
GND
T8
H20
GND
GND
U8
J20
GND
GND
V8
K20
GND
GND
W8
L20
GND
GND
Y8
M20
GND
GND
AA8
N20
GND
GND
AB8
P20
GND
GND
AC8
R20
GND
GND
C9
T20
GND
GND
D9
GND
F9
V20
GND
GND
G9
GND
H9
GND
J9
AA20
GND
GND
AB20
GND
L9
AC20
GND
GND
N9
AD20
GND
GND
A21
GND
F21
GND
R9
G21
GND
GND
T9
H21
GND
GND
U9
J21
GND
GND
V9
K21
GND
GND
W9
L21
GND
GND
Y9
M21
GND
GND
AC9
N21
C
GND
GND
AD9
P21
GND
GND
AE9
R21
GND
GND
AF9
T21
GND
GND
AG9
GND
AH9
V21
C10
GND
GND
GND
E10
GND
F10
AA21
GND
GND
AB21
GND
H10
AC21
GND
GND
J10
AD21
GND
GND
B22
GND
E22
GND
F22
GND
N10
G22
GND
GND
P10
GND
R10
J22
GND
GND
T10
K22
GND
GND
U10
L22
GND
GND
V10
M22
GND
GND
W10
N22
GND
GND
Y10
P22
GND
GND
AG10
R22
GND
GND
D11
T22
GND
GND
F11
GND
G11
GND
H11
GND
J11
GND
AA22
GND
L11
AB22
GND
GND
M11
GND
V11
F23
GND
GND
W11
G23
GND
GND
Y11
GND
K23
GND
L23
GND
AG11
M23
GND
GND
AJ11
N23
GND
GND
B12
P23
GND
GND
F12
R23
GND
GND
G12
T23
GND
GND
J12
V23
GND
GND
K12
GND
AA23
GND
M12
AB23
GND
GND
V12
GND
W12
GND
Y12
C24
GND
GND
AA12
D24
GND
GND
AB12
F24
GND
GND
AC12
G24
GND
GND
AD12
H24
GND
GND
AE12
J24
GND
GND
AF12
K24
B
GND
GND
AG12
L24
GND
GND
A13
M24
GND
GND
D13
N24
GND
GND
F13
P24
GND
GND
R24
K13
GND
T24
GND
GND
M13
GND
V13
AA24
GND
GND
W13
AB24
GND
GND
Y13
GND
AG13
AH24
GND
GND
AH13
A25
GND
GND
B14
F25
GND
GND
F14
G25
GND
GND
H25
GND
K14
J25
GND
GND
L14
K25
GND
GND
M14
L25
GND
GND
M25
GND
V14
N25
GND
GND
W14
P25
GND
GND
Y14
R25
GND
GND
AG14
T25
GND
GND
AJ14
GND
D15
A26
GND
GND
F15
C26
GND
GND
F26
GND
G26
GND
M15
H26
GND
GND
N15
J26
GND
GND
P15
K26
GND
GND
L26
GND
W15
M26
GND
GND
Y15
N26
GND
GND
AC15
P26
GND
GND
AD15
R26
GND
GND
AE15
T26
GND
GND
AF15
GND
AG15
AH26
GND
GND
AK15
F27
GND
GND
C16
G27
GND
GND
H27
GND
J27
GND
K27
GND
M16
L27
GND
GND
N16
M27
GND
GND
P16
N27
GND
GND
P27
GND
R27
GND
Y16
T27
GND
GND
AA16
D28
AB16
GND
GND
F28
GND
GND
AC16
G28
GND
GND
AD16
H28
GND
GND
V28
A
GND
AG16
Y28
GND
GND
AJ16
AB28
GND
GND
B17
AD28
GND
GND
D17
AF28
GND
GND
F17
AH28
GND
GND
G17
AK28
GND
GND
L17
E29
GND
GND
M17
F29
GND
GND
N17
G29
GND
GND
P17
B30
GND
GND
D30
GND
G30
GND
MSD6886NQH
5
4
N1F
AA13
VDDC_CPU
VDDC_CPU
AB13
VDDC_CPU
AC13
VDDC_CPU
AD13
VDDC_CPU
AE13
VDDC_CPU
AF13
VDDC_CPU
AA14
VDDC_CPU
AB14
VDDC_CPU
AC14
VDDC_CPU
AD14
VDDC_CPU
AE14
VDDC_CPU
AF14
VDDC_CPU
AA15
VDDC_CPU
AB15
VDDC_CPU
AK8
VDDC(CAP)
N11
VDDC
VDDC
C98
C99
P11
VDDC
R11
10u/6.3VV
100n/16V
VDDC
0603
N12
VDDC
X5R
P12
VDDC
R12
VDDC
T12
VDDC
N13
R13
VDDC
VDDC
T13
VDDC
T14
VDDC
U14
VDDC
T15
VDDC
U15
VDDC
R16
VDDC
T16
VDDC
U16
VDDC
R14
DVDD_DDR
DVDD_DDR_0
R15
DVDD_DDR_0
DVDD_DDR_RX_B
1
P13
TP4
DVDD_DDR_1
P14
DVDD_DDR_RX_B just needs to leave a via hole
DVDD_DDR_1
T11
AVDDL_HDMI2RX
AVDDL_MOD(HDMI)
U11
AVDDL_MOD(HDMI)
U12
AVDDL_MOD
AVDDL_MOD
U13
AVDDL_MOD
J15
AVDD_DDR_A
AVDD_DDR_0
K15
AVDD_DDR_0
J16
C109
AVDD_DDR_0
K16
10u/6.3VV
AVDD_DDR_0
J17
0603
AVDD_DDR_0
X5R
K17
AVDD_DDR_0
K18
AVDD_DDR_0
H13
AVDD_DDR_B
AVDD_DDR_1
J13
AVDD_DDR_1
H14
C112
AVDD_DDR_1
J14
10u/6.3VV
AVDD_DDR_1
H15
0603
AVDD_DDR_1
X5R
AVDD_DRAM
H23
AVDD_DDR_DRAM(DDR3 1.5V)
H22
AVDD_DDR_DRAM(DDR3 1.5V)
H30
AVDD_DRAM_CAP
AVDD_DDR_DRAM(CAP)
C118
100n/16V
1
H16
TP7
AVDD_DDR_VBP_1
1
H17
TP5
AVDD_DDR_VBN_1
AVDD_DDR_VBP_B_SM
E30
AVDD_DDR_VBP_1
F30
AVDD_DDR_VBN_B_SM
AVDD_DDR_VBN_1
K29
NC / AVDD_DDR_VBP_A (MACAN)
G10
NC
F4
AVDD_NODIE
G5
AVDD_NODIE
AVDD_NODIE
H5
AVDD_USB
AVDD3P3_USB_DN
H4
AVDD3P3_USB_UP
H7
C121
AVDD_AU33
AVDD_AU33
H8
10u/6.3VV
AVDD_EAR33
AVDD_EAR33
G7
0603
AVDD_DADC
AVDD3P3_DADC
X5R
G8
AVDD_DMPLL
AVDD3P3_DMPLL
G6
AVDD33_ADC
AVDD3P3_ADC
AA9
VDDP_3318
AVDD_EMMC_3318
AA10
AVDD_EMMC_3318
AC10
AVDD_EMMC_PLL
AVDD_EMMC_PLL
AF11
AVDD_LPLL
AVDD_LPLL
AD10
AVDD_PLL
AVDD_PLL_0
AD11
AVDD_PLL_1
AE11
AVDD_MOD
VDDP (MOD)
AB9
AVDD33_HDMI2RX
VDDP(HDMI)
AB10
VDDP(HDMI)
AC11
NC / VDDP_3318_C (MACAN)
AE10
VDDP33
VDDP
AF10
VDDP
AVDD_MOD_VTERM
AK23
AVDD_MOD_VTERM
C125
C126
DVDD_NODIE
100n/16V
100n/16V/NC
C1
DVDD_NODIE(CAP)
C127
AJ1
GND_EFUSE
GND_EFUSE
1u/10V
MSD6886NQH
4
3
CORE Power
+0.95V_VDDC
VDDC
3.7A , 100mil
C90
C91
C100
C101
C102
C92
10u/6.3V
100n/16V
100n/16V
100n/16V
10u/6.3V
10u/6.3V
+0.95V_VDDC
DVDD_DDR
120mA,25mil
+0.95V_VDDC
AVDDL_HDMI2RX
AVDDL_MOD
L9
90mA,20mil
10mA,20mil
BLM15PX121SN1D
C105
C106
10u/6.3V
100n/16V
CPU Power
+0.95V_VDDC_CPU
VDDC_CPU
1.5A,60mil
C113
C115
C116
C117
C114
10u/6.3V
10u/6.3V
100n/16V
100n/16V
100n/16V
DDR
MCP:DDR3:1.5V
+1.5V_DDR
AVDD_DDR_A
AVDD_DRAM
250mA,25mil
200mA,25mil
EXT:DDR3 1.5V
+1.5V_DDR
AVDD_DDR_B
AVDD_DDR
295mA,30mil
50mA,15mil
C130
C131
C132
C133
0603
10u/6.3VV
100n/16V
10u/6.3VV
100n/16V
X5R
改善电源部分阻抗
+0.95V_VDDC
+0.95V_VDDC
+0.95V_VDDC_CPU
+0.95V_VDDC_CPU
C396
C397
C398
C404
C403
2.2u/6.3VV
100n/16V
100n/16V
2.2u/6.3VV
2.2u/6.3VV
+1.5V_DDR
+1.5V_DDR
C400
C401
C399
2.2u/6.3VV
2.2u/6.3VV
100n/16V
3
2
Standby Power 3.3V
+3.3V_Standby
+3.3V_Standby
+3.3V_Standby
L8
BLM15PX121SN1D
C93
C94
C95
10u/6.3V
100n/16V
100n/16V
+3.3V_Standby
AVDD_NODIE
+3.3V_Standby
110mA,20mil
85mA,15mil
C97
100n/16V
+3.3V_Standby
AVDD_USB
+3.3V_Standby
L30
88mA,15mil
BLM15PX121SN1D
Normal Power 3.3V
+3.3V_Normal
+3.3V_Normal
C111
C110
10u/6.3V
100n/16V
+3.3V_Normal
AVDD_MOD
+3.3V_Normal
90mA,20mil
+3.3V_Normal
AVDD_LPLL
AVDD_PLL
AVDD_EMMC_PLL
11mA,15mil
55mA,15mil
5mA,15mil
C120
C119
10u/6.3V
100n/16V
EMMC/Nand Power
+1.8V_Normal
VDDP_3318
R102
0R
20mA,15mil
+3.3V_Normal
C122
C123
R103
0R/NC
10u/6.3V
100n/16V
EMMC用1.8V,NAND用3.3V
MOD VTERM
1.2V_MOD_VTERM
AVDD_MOD_VTERM
100mA,20mil
C128
C129
10u/6.3V
2.2u/6.3VV
C134
470n/10V
AVDD_DDR_B
C136
C137
470n/10V
AVDD_DDR_VBN_B_SM
470n/10V
C402
100n/16V
Title
Title
Title
Size
Size
Size
Document Number
Document Number
Document Number
Custom
Custom
Custom
Date:
Date:
Date:
Thursday, September 20, 2018
Thursday, September 20, 2018
Thursday, September 20, 2018
2
1
AVDD_DMPLL
AVDD_DADC
10mA,15mil
20mA,15mil
C103
C104
C96
100n/16V
100n/16V
100n/16V
AVDD33_ADC
D
AVDD_AU33
AVDD_EAR33
150mA,20mil
16.5mA,15mil
C107
C108
2.2u/6.3VV
100n/16V
AVDD33_HDMI2RX
50.4mA,15mil
VDDP33
50mA,15mil
C
C124
100n/16V/NC
B
AVDD_DDR_VBP_B_SM
C135
470n/10V/NC
A
MSD6886
MSD6886
MSD6886
Rev
Rev
Rev
v1.0
v1.0
v1.0
MSD6886NQH Power
MSD6886NQH Power
MSD6886NQH Power
Sheet
Sheet
Sheet
6
6
6
of
of
of
19
19
19
1

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