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5
Main power connector
R5
0R
PANEL_ON/OFF
100R/NC
R12
5,9
PANEL_ON/OFF
1
2
XP1
1
MBR0520LT1/B0520LW/NC
VD1
DIMMING2
3
PWM2
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
C
10u/16V
3
6
100n/16V
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
C32
C29
100n/16V
1u/10V
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
PWR-ON/OFF
10k
C495
MMBT3904LT1
100n/16V/NC
12VS-->3.3V_Normal
R56
+5V_Normal
N31
10k
R492
12VS
4
BOOT
10R
R491
5
C52
A
EN
100k/NC
1u/16V
2
1
SW
VIN
4.7 uH
C50
C61
C51
C494
Idc2 = 4.2A
10u/16V
10u/16V
100n/25V
100n/16V/NC
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
5,13
PWR-ON/OFF
BL_EN
2
SW
H :Power on
4
DIMMING
L :Power off
PWM
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
12VS
2068.6mA/2184mA
+5V_Standby
靠近DC-DC
L2
4.7 uH
Idc2 = 4.2A
C25
R26
R1
10p/50V
44.2k
1%
R2
R31
8.2k
1%
153.6mA/269mA
+3.3V_Standby
Vin=4～23V
Iout=6A
C33
C34
Vref=0.6V
Freq=600KHz
10u/6.3V
100n/16V
Vout=0.6(1+R1/R2)=0.970V
12VS-->0.95V VDDC CPU
12VS
1000mA
PWR-ON/OFF
+Tuner
1415mA
+5V_Normal
C41
100n/16V
12VS-->+1.5V_DDR(内置两颗，外置两颗供电)
286.96mA/683mA
12VS
+Tuner
701.96mA/1098mA
+3.3V_Normal
C57
L4
100n/16V
C66
R57
10p/50V
43k
R61
13.7k
4
3
+5V_Standby
R1
+5V_Standby
+3.3V_Standby
2k
R3
POWER ON/OFF
R2
1k
4.7k
R6
R10
1
V1
4.7k
4.7k
MMBT3904LT1
R13
PWR-ON/OFF
1
V2
MMBT3904LT1
10k
+5V_Normal
+3.3V_Standby
R16
1k
R18
10k
R19
BL_EN
1k
VBL_CTRL
R20
V4
1
R21
4.7k
10k/NC
MMBT3904LT1
N32
2
1
C1 100n/25V
IN_1
BS
3
L1
IN_2
+0.95V_VDDC
4
6
IN_3
LX_1
5
19
0.68uH
9
IN_4
LX_2
20
R495
SYT286ARAC
100k
PG
LX_3
11
14
R22
C10
EN
FB
15
5.1R/NC
BYP
220p/50V
C27
R23
100n/25V/NC
27k
R41
R27
C16
1k
27k/NC
100n/16V
R1
R28
31.6k
0R
R2
R29
R38
R39
51k
220k
390k
1%
5
VID_1
VID_0 5
Addr 0x80
I2C速率不超过100KHz
N33
MSH6103A
L3
8
6
PVDD
LX
2.2 uH
Idc2 = 5.15A
C38
R47
R48
C37
1
7
EN
BST
10k
100p/50V
100k
100n/16V
3
2
5V
FB
4
5
DCDC-SCL 5
SDA
SCL
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
N34
R54
4
BOOT
10R
R55
5
C49
EN
100k
2
1u/16V
L6
SW
1
VIN
2.2 uH
C59
C493
Idc2 = 5.15A
R58
100n/25V/NC
3
6
10u/16V
GND
FB
10p/50V
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
BRI_ADJ
R14
V3
1
5
BRI_ADJ
MMBT3904LT1
4.7k
H :off
L :on
3.3V_Normal-->1.8V_Normal
4045mA
+3.3V_Normal
+0.95V_VDDC
3
C12
C11
2.2u/10VV
100n/16V
Vinmax=15V
Vref=1.25V
Vout=1.25(1+R1/R2)=1.81V
+0.95V_VDDC
I25=767mA
I60=552mA
3.3V_Normal-->1.2V_MOD_VTERM
VID[1]
VID[0]
R2
VDDC
Setting
+3.3V_Norm al
OD
OD
51K
0.953V
0.972V
OD
L
45.1K
1.008V
1.02V
OD
1.044V
1.058V
L
41.4K
C30
C31
L
37.4K
1.100V
1.107V
L
2.2u/10VV
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
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
C23
C24
R30
10u/16V
100n/16V
R2
402R
1%
C
R35
R1
180R
1%
100mA
1.2V_MOD_VTERM
N12 AP7365-WG-7
1
5
VIN
VOUT
R43
R1
8.2k
C36
C35
3
4
1%
EN
ADJ
10u/16V
100n/16V
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
Docum ent Num ber
Docum ent Num ber
Docum ent Num ber
Rev
Rev
Rev
Cus tom
Cus tom
Cus tom
v1.0
v1.0
v1.0
Sys tem power
Sys tem power
Sys tem power
Date:
Date:
Date:
Monday, Novem ber 05, 2018
Monday, Novem ber 05, 2018
Monday, Novem ber 05, 2018
Sheet
Sheet
Sheet
4
4
4
of
of
of
15
15
15
1
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Table of Contents
Troubleshooting
