Table of Contents
Advertisement
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
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
10R
R25
100n/25V/NC
5
EN
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
Vin=2.0～5.5V
R46
Imax=1A
0R
TA= +75°C ,Iout=535mA
低功耗
B
5V_Standby-->5V_Normal
+5V_Standby
2
C47
C48
R50
AO3401L
20k
100n/16V
2.2u/10VV
R51
2.2k
V6
R52
1
PWR-ON/OFF
10k
MMBT3904LT1
C83
100n/16V/NC
12VS-->3.3V_Normal
R76
22k/NC
R56
+5V_Normal
C86 470n/10V
10k
N31
R492
12VS
4
BOOT
A
10R
R491
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
靠近DC-DC
R60
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
5,13,16
PWR-ON/OFF
2
BL_EN
SW
H :Power on
L :Power off
4
DIMMING
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
12VS-->0.95V VDDC
1653.6mA/1769mA
+Tuner
12VS
2068.6mA/2184mA
C2
+5V_Standby
靠近DC-DC
1u/16V
L2
VZ7
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
C34
C33
Vref=0.6V
Freq=600KHz
10u/6.3V
100n/16V
Vout=0.6(1+R1/R2)
12VS-->0.95V VDDC CPU
12VS
1000mA
+5V_Normal
+Tuner
3
1415mA
V5
Vin = 30V
Iout = 4.2/3.5A
12VS-->+1.5V_DDR(内置两颗，外置两颗供电)
286.96mA/683mA
+3.3V_Standby
+Tuner
701.96mA/1098mA
+3.3V_Normal
L4
4.7 uH
Idc2 = 4.2A
R57
C66
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
4.7k
1
V1
MMBT3904LT1
4.7k
R13
PWR-ON/OFF
1
V2
MMBT3904LT1
10k
+5V_Normal
+3.3V_Standby
R16
1k
R18
R19
10k
BL_EN
1k
R20
V4
1
R21
VBL_CTRL
VBL_CTRL
10k/NC
4.7k
MMBT3904LT1
H :off
L :on
N32
2
1
C1 100n/25V
IN_1
BS
3
L1
IN_2
4
6
IN_3
LX_1
5
19
0.68uH
IN_4
LX_2
9
SYT286ARAC
20
R495
100k
PG
LX_3
11
14
R22
EN
FB
15
5.1R/NC
BYP
C27
R23
100n/25V/NC
27k
R41
C16
27k/NC
470n/10V
0R
R2
R29
R39
R38
51k
220k
390k
1%
5
VID_1
VID_0
Addr 0x80
I2C速率不超过100KHz
N33
MSH6103A
8
6
PVDD
LX
C38
R47
R48
PWR-ON/OFF
1
7
EN
BST
100k
10k
100n/16V
3
2
5V
FB
4
5
SDA
SCL
DCDC-SCL 5
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)=1.027V
有DVFS功能，此DCDC 不能更改
R75
22k/NC
R53
C82 470n/10V
10k
N34
R54
12VS
4
BOOT
10R
R55
5
C49
EN
100k/NC
2
1u/16V
L6
SW
1
VIN
2.2 uH
C57
C58
C59
Idc2 = 5.15A
100n/25V
10u/16V
10u/16V
3
6
GND
FB
MP1658GTF
R59
43k
Vin=4.5～16V
1%
Iout=3A
Vref=0.807V
Freq=600KHz
R2=5KΩ～100KΩ
IR2=5uA～30uA
Vout=0.807(1+R1/R2)=1.51V
3
2
Backlight control
与公版极性相反，需软件配置
+3.3V_Normal
R7
10k
R14
BRI_ADJ
5
BRI_ADJ
4.7k
H :off
L :on
3.3V_Normal-->1.8V_Normal
4045mA
+3.3V_Normal
+0.95V_VDDC
+0.95V_VDDC
VZ8
C10
220p/50V
R27
1k
R1
R28
+0.95V_VDDC
30k
3.3V_Normal-->1.2V_MOD_VTERM
VDDC
VID[1]
VID[0]
R2
实测
Setting
+3.3V_Normal
OD
OD
51K
0.944V
0.953V
OD
45.1K
0.993V
L
0.999V
？V
5
L
OD
41.4K
1.035V
？V
L
L
37.4K
1.081V
Vin=2V-6V
Iout_max=600mA
Vref=0.8V
R2≦80K
1000mA
+0.95V_VDDC_CPU
L3
靠近DCDC
2.2 uH
1000mA
Idc2 = 5.15A
C37
散热器&螺丝孔&Mark
100p/50V
R49
12k
1%
R1
E1
远端反馈，从IC底部引线
850mA/1570mA
+1.5V_DDR
R58
C60
10p/50V
40.2k
1%
R62
46.4k
1%
2
1
BOM默认上R9 按照PWM调光设计
+5V_Normal
R8、R500 作为模拟调光预留
R15、R11作为调整电压大小预留
R500
1k/NC
R4
1k
R9
1k
DIMMING
DIMMING 9
R8
1k/NC
DIMMING2
V3
1
R15
R11
MMBT3904LT1
10k/NC
10k/NC
13.5mA/225mA
+1.8V_Normal
N11 SPX1117M3-ADJLD1117A-ADJ
3
4
VIN
VOUT
C12
2
C11
VOUT_3
C24
C23
2.2u/10VV
100n/16V
R30
10u/16V
100n/16V
R2
402R
1%
R35
Vinmax=15V
Vref=1.25V
R1
180R
Vout=1.25(1+R1/R2)=1.81V
1%
I25=767mA
I60=552mA
100mA
1.2V_MOD_VTERM
N12 AP7365-WG-7
1
5
VIN
VOUT
R43
R1
C30
C31
8.2k
C36
C35
3
4
1%
EN
ADJ
2.2u/10VV/NC
10u/16V
100n/16V
100n/16V/NC
R45
15k
R2
1%
Vout=0.8*(1+R1/R2)=1.24V
散热器四角增加导电泡棉接地
G1
G2
G3
G4
RSAG7.308.0300
SMR
SMR
SMR
SMR
M1
M2
M3
M4
MARK/NC
MARK/NC
MARK/NC
MARK/NC
S2
S3
S4
D4/NC
D4/NC
D4/NC
S5
S6
D4/NC
D4/NC
Title
Title
Title
MSD6886
MSD6886
MSD6886
Size
Size
Size
Document Number
Document Number
Document Number
Custom
Custom
Custom
System power
System power
System power
Date:
Date:
Date:
Thursday, December 20, 2018
Thursday, December 20, 2018
Thursday, December 20, 2018
Sheet
Sheet
Sheet
4
4
4
of
of
of
1
D
C
B
A
Rev
Rev
Rev
v1.0
v1.0
v1.0
19
19
19
Advertisement
Table of Contents
Troubleshooting
