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5
Main power connector
R5
0R
PANEL_ON/OFF
R12
100R/NC
(5,9)
PANEL_ON/OFF
1
2
XP1
1
MBR0520LT1/B0520LW /NC
VD1
DIMMING2
3
PW M2
VCC_A
5
VCCA
D
7
9
POWER ON/OFF
11
STB
12VS
13
VCC2
15
12VS-->5V_Standby
R493
22k
N30
R32
12VS
4
C395
BOOT
C2
10R
R25
100n/25V/NC
5
EN
1u/16V
100k
2
SW
1
VIN
C4
C5
C6
C
100n/25V
10u/16V
10u/16V
3
6
GND
FB
R34
MP1658GTF
24.9k
1%
Vin=4.5～16V
Iout=3A
Vref=0.807V
Freq=600KHz
R2=5KΩ～100KΩ
IR2=5uA～30uA
Vout=0.807(1+R1/R2)=5.16V
5V_Standby-->3.3V_Standby
+5V_Standby
N10 TLV1117LV33DCY
3
4
VIN
VOUT_1
2
VOUT_2
C29
C32
1u/10V
100n/16V
R44
110R/NC
R46
Vin=2.0～5.5V
Imax=1A
0R
TA= +75°C ,Iout=535mA
低功耗
B
5V_Standby-->5V_Normal
+5V_Standby
2
3
V5
C47
C48
R50
AO3401L
100n/16V
2.2u/10VV
20k
Vin = 30V
Iout = 4.2/3.5A
R51
2.2k
V6
R52
1
PW R-ON/OFF
10k
MMBT3904LT1
C496
100n/16V/NC
12VS-->3.3V_Normal
R551
22k/NC
R56
+5V_Normal
C497 100n/16V/NC
10k
N31
R492
12VS
4
BOOT
10R
R491
A
5
C52
EN
100k/NC
1u/16V
2
SW
1
VIN
C50
C61
C51
100n/25V
10u/16V
10u/16V
3
6
GND
FB
MP1658GTF
R60
靠近DC-DC
20k
Vin=4.5～16V
Iout=3A
Vref=0.807V
Freq=600KHz
R2=5KΩ～100KΩ
IR2=5uA～30uA
Vout=0.807(1+R1/R2)=3.34V
5
4
Power on/off
(5)
PW R-ON/OFF
2
BL_EN
SW
H :Power on
4
DIMMING
L :Power off
PW M
6
8
10
Backlight on/off
3DEN
12
12VS
与公版极性相反，需软件配置
14
VCC1
16
3DPWM
R17
0R
(5)
VBL_CTRL
H :off
L :on
12VS-->0.95V VDDC
1653.6mA/1769mA
+Tuner
2068.6mA/2184mA
12VS
R23
PW R-ON/OFF
10k
+5V_Standby
L2
靠近DC-DC
4.7 uH
Idc2 = 4.2A
C25
R26
R1
10p/50V
44.2k
1%
R2
R31
8.2k
1%
153.6mA/269mA
Main board: 8698 circuit
+3.3V_Standby
C33
C34
10u/6.3V
100n/16V
12VS-->0.95V VDDC CPU
12VS
1000mA
PW R-ON/OFF
+Tuner
+5V_Normal
1415mA
12VS-->+1.5V_DDR(内置两颗，外置两颗供电)
286.96mA/683mA
+3.3V_Standby
+Tuner
701.96mA/1098mA
12VS
+3.3V_Normal
L4
C57
4.7 uH
100n/25V
Idc2 = 4.2A
R57
C66
10p/50V
43k
R61
13.7k
4
3
+5V_Standby
+5V_Standby
R1
+3.3V_Standby
2k
R3
POWER ON/OFF
R2
1k
4.7k
R6
R10
4.7k
1
V1
MMBT3904LT1
4.7k
R13
1
PW R-ON/OFF
V2
MMBT3904LT1
10k
+5V_Normal
+3.3V_Standby
R16
1k
R18
R19
10k
BL_EN
1k
R20
V4
VBL_CTRL
1
R21
10k/NC
4.7k
MMBT3904LT1
靠近主芯片放置
N32 TPS56628DDAR
L1
8
6
VIN
SW
SPM6550T-2R2M
C1
22p/50V/NC
R27
1
7
15k/NC
EN
VBST
C10
输出大于3.3V
1%
100n/25V
需要此电容
R1
3
2
R28
1%
+0.95V_VDDC
VRG5
VFB
15k
R22
4
5
PG
GND
22R/NC
R495
C27
R2
R29
100k
R38
R39
1n/50V/NC
56k
10.2k
75k
1%
R41
R40
Vin=4.5～18V
Iout=6A
120k
150k
Vref=0.765V
Freq=650KHz
Vout=0.765(1+R1/R2)=0.970V
5
VID_1
C494
C493
47n/16V
47n/16V
靠近DC-DC
Addr 0x80
I2C速率不超过100KHz
N33
MSH6103A
L3
8
6
PVDD
LX
2.2 uH
C38
Idc2 = 5.15A
R47
R48
C37
1
7
EN
BST
100p/50V
100k
10k
100n/16V
3
2
5V
FB
4
5
SDA
SCL
DCDC-SCL (5)
远端反馈，从IC底部引线
DCDC-SDA (5)
Vin=4.5～16V
Iout=3A
C45用于调节时序
Vref=0.828V
Freq=600KHz
R2=50KΩ
Vout=0.828(1+R1/50)=0.964V
有DVFS功能，此DCDC 不能更改
R550
22k/NC
R65
C495 470n/16V
10k
N34
R54
4
BOOT
10R
R55
5
C49
EN
100k/NC
2
1u/16V
L6
SW
1
VIN
2.2 uH
C58
C59
Idc2 = 5.15A
R58
10u/16V
10u/16V
3
6
GND
FB
40.2k
1%
MP1658GTF
R59
43k
Vin=4.5～16V
1%
R62
Iout=3A
Vref=0.807V
46.4k
Freq=600KHz
1%
R2=5KΩ～100KΩ
IR2=5uA～30uA
Vout=0.807(1+R1/R2)=1.51V
3
2
Backlight control
+5V_Normal
与公版极性相反，需软件配置
R500
+3.3V_Normal
R4
1k
R7
10k
R14
1
V3
BRI_ADJ
(5)
BRI_ADJ
MMBT3904LT1
4.7k
H :off
L :on
3.3V_Normal-->1.8V_Normal
4045mA
+3.3V_Normal
+0.95V_VDDC
3
+0.95V_VDDC
C12
C11
2.2u/10VV
100n/16V
靠近SOC
靠近DC-DC
Vinmax=15V
Vref=1.25V
Vout=1.25(1+R1/R2)=1.81V
I25=767mA
I60=552mA
3.3V_Normal-->1.2V_MOD_VTERM
VID[1]
VID[0]
R2
VDDC
Setting
VID_0 5
+3.3V_Normal
OD
OD
56K
0.953V
0.970V
OD
L
44.84K
1.008V
1.021V
OD
1.044V
1.058V
L
39.16K
C31
C30
L
33.35K
1.100V
1.109V
L
2.2u/10VV/NC
100n/16V
Vin=2V-6V
Iout_max=600mA
Vref=0.8V
Vout=0.8*(1+R1/R2)=1.24V
R2≦80K
1000mA
+0.95V_VDDC_CPU
靠近DCDC
1000mA
散热器&螺丝孔&Mark
R49
8.2k
1%
R1
E1
RSAG7.308.0300
M1
MARK/NC
S2
D4/NC
850mA/1570mA
+1.5V_DDR
C60
10p/50V
2
1
BOM默认上R9 按照PWM调光设计
R8、R500 作为模拟调光预留
R15、R11作为调整电压大小预留
1k/NC
R9
1k
DIMMING
9
DIMMING
R8
1k/NC
DIMMING2
R15
R11
10k/NC
10k/NC
D
13.5mA/225mA
+1.8V_Normal
N11 SPX1117M3-ADJLD1117A-ADJ
4
VIN
VOUT
2
VOUT_3
C24
C23
R30
10u/16V
R2
402R
100n/16V
1%
C
R35
R1
180R
1%
100mA
1.2V_MOD_VTERM
N12 AP7365-WG-7
1
5
VIN
VOUT
R43
R1
C36
8.2k
C35
3
4
1%
EN
ADJ
10u/16V
100n/16V/NC
R45
15k
R2
1%
B
散热器四角增加导电泡棉接地
G1
G2
G3
G4
SMR
SMR
SMR
SMR
M2
M3
M4
MARK/NC
MARK/NC
MARK/NC
S3
S1
S4
D4/NC
D4/NC
D4/NC
A
Title
Title
Title
MSD6886NQH
MSD6886NQH
MSD6886NQH
Size
Size
Size
Document Number
Document Number
Document Number
Rev
Rev
Rev
Custom
Custom
Custom
v1.0
v1.0
v1.0
System power
System power
System power
Date:
Date:
Date:
Tuesday, November 27, 2018
Tuesday, November 27, 2018
Tuesday, November 27, 2018
Sheet
Sheet
Sheet
4
4
4
of
of
of
15
15
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1
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Table of Contents
Troubleshooting
