Haier LE43B7600A - 10 Schematic Diagram; Main Board

48
10. Schematic Diagram
10.1 Main Board
715G7492M0D000004K
LDO
C708 100NF 25V
B
NC
+5V_Normal => +1.5V_DDR
R710 18 KOHM +-1% 1/10W
L700
4.7uH 32mOH M 5.5A
!!! 惠ㄏノ 5A  DC/DC
+
C731
100UF 16V
+5V_Standy => +5V_Normal
R762
NC/10K 1%
EN_U 701
R761
NC/10K 1%
CN700
CONN
2
4
6
8
10
12
1
3
5
7
9
11
ZD700
BZX84B6V8
1 3
(Component change)
盢 L701 2.2uH( 腹 :373G253S364D00)
э
 3.3uH 腹 :373G253S364D00)
FB700
300R 4A
1 2
CN700 パ 14pin 传 12pin 夹非て connector.
C727 100NF 25V C728 22u F 6.3V
C709 100NF 25V
+3.3 V_No rmal
R763
NC/10K 1%
C726
100NF 25V
VDDC
C724
22uF 6.3V
C725
NC/22uF
+
C722
NC/100U F 16V
R706
9.1K 1%
C723
22uF 6.3V
VDDC_VSENSE
U702
G5719TBIU
VIN
4
EN
1
LX
3
VFB
6
GND
2
NC
5
R784
10K
+5V_N orm al
R705 NC/100K1/16W
R716
10K 1%
DVDD3V3
R712
0 OHM +-5% 1/8W
R711
0 OHM +-5% 1/8W
C715 NC/22P 50V
L702 2.2UH
R783
43K 1%
L706
2.2uH
R786 10K +-1% 1/16 W
R785
2.7K 1%
R760
5K6 1/16W 5%
+12V_Normal
R757
10K
C736
10uF 25V
C735
10uF 25V
R704
10K 1%
C721 10N 50V
埃 FB708
+3.3 V_No rmal
箇 ňUSB 筿方拈
R741 124K 1%
C769
10UF 25V
C751
10UF 25V
C762 22P 50V
C759
100NF 25V
U706
TPS54528DD AR
EN
1
VFB
2
VREG5
3
SS
4
GND
5
SW
6
VBST
7
VIN
8
E-Pad
9
R739
22.1K 1 %
C768
10N 50V
C752
100NF 25V
C753
10UF 25V
C765
100NF 25V
C761
10N 50V
R740
1K 1/16W 1%
R755
1K 1/16W 1%
R737
NC/100K1/16W
C754
100NF 25V
L703
3.3UH
C774
22UF 10 V
+5V_USB
VIN_U707
U705
TPS54528DDAR
EN
1
VFB
2
VREG5
3
SS
4
GND
5
SW
6
VBST
7
VIN
8
E-Pad
9
C776
22UF 10V
FB707
120R 6A
1 2
C756
22UF 10V
+12V_Nor mal
C758
22UF 10V
+5V_Standby
C757
22UF 10V
C772
1UF 1 0% 16V
FB701
120R 6A
1 2
+12V_Normal
C760
1UF 10% 16V
R754 124K 1%
C773 22P 50V
+12V_Normal => +5V_Standby
Vout=0.765x (1+125.1K/22.1K) = 5.09V
C770
10UF 25V
R753
NC/100K1/16W
L704
3.3U H
C771
1UF 1 0% 16V
FB702
120R 6A
1 2
VDDC_VSENSE
C767
100NF 25V
C766
100NF 25V
R756
22.1K 1%
C775
22UF 10V
+3.3V_N ormal
C729
2.2UF 16V
EN_U 703
9
/16 э 
パ
+12V_Normalэ  +3.3V_Normal
R707
0R05 OH M
U701
TPS54328DDAR
EN
1
VFB
2
VREG5
3
SS
4
GND
5
SW
6
VBST
7
VIN
8
E-PAD
9
R738
NC/100K1/16W
C720 1U F 10% 16V
C716
100NF 25V
R745 NC/100K1/16W
C764
NC
R730
NC/4. 7K1/16W
Reserved for
power Enable
use
STR_GPI O 5
R715 150K
C702
1N 50V
R721
100R 1/ 16W 1%
﹍筿溃玂靡 IC pin  1.24V
C730
220NF 25V
R723
6.2K 1/16W 1%
R765
NC/4. 7K1/16W
+3.3V_Standby
VDDC_CPU_VSENSE
R1
C742
100NF 25V
+1.5V_DDR
DDR_PWR_FB
VDDC_CPU
R724
47K +-1% 1/16W
R751
0R05 OHM
R700 33 OH M 1/16W
R732
0R05 OHM
R2
Vout = 0.6*(1+R1/R2)==>1.50V
Q704
NC
C700
NC/100N 50V
Q700
AO4449 -7A/-30V
S
1
S
2
S
3
G
4
D
8
D
7
D
6
D
5
C732
100NF 25V
+5V_Standby
+5V_Norm al
U700
AP1117E33L-13-77
ADJ(GND)
1
VOUT
2
VIN
3
4
4
Q702
MMBT39 04
R713
47K
3.5A(MAX)
R708
NC/ 1.2K 1/4W
PS_ON
+3.3V_St andby
C739
22uF 6. 3V
PS_ON
C746
10uF 16V
C745
100NF 25V
E
EN_U704
C704 2.2uF 6.3V
C748
10uF 16V
0603
DIM
R701 3 3 OHM 1/16W
+3.3V_Standby
BL_ON
DDR_PWR_FB
R728
4.7K 1/16W
+ C737
NC/100UF 16V
Q705
MMBT39 04
R720
NC/10K
+3.3V_N ormal
PWR-ON/ OFF5,10
R749
33 OHM 1/16W
BRI_ADJ 5
M_SD A5,7,13,15,16
Q703
MMBT3904
C755
1UF 1 0% 16V
DIM
R736
22 OHM 1/16W
C718
100N 50V
Vout=0.765x (1+125.1K/22.1K) = 5.09V
C743
1UF 10% 16V
+5V_Standby
C744
10uF 16V
R764
NC/10K 1%
+
C717
100UF 25V
C733
100NF 25V
R729 4.7K 1/16W
Vout = 0.6*(1+R1/R2)=3.3V
R743
NC/ 2.2K1/ 16W
R1
+5V_Normal =>
+3.3V_WiFi++3.3V_Normal
+5V_Stan dby
綼 DC-DC
0603
綼 DC-DC
0603
+3.3V_N ormal
R733
33K 1%
R2
R752
22K 1%
C749
100NF 25V
C703 100NF 25V
VBL_CTR L 5
C738
22uF 6. 3V
+3.3V_St andby
R725
1K 1/10W
R734
0R05 OHM
R735
22K 1%
R722
100R 1/ 16W 1%
C
C707 1UF 10% 16V
C763
100NF 25V
C740
NC/22uF
R727
2.2K1/ 16W
FB2
+5V_Standby
+12V_Normal => +5VUSB
0.5A(MAX)
Q701
MMBT390 4
R714
0R05 OHM
R703 N C/33 OH M 1/16W
FB705
NC/300R 4A
1 2
R742
2.2K1/16W
R702 33 OH M 1/16W
R1
BL_ON
C706 10UF 25V
OEM MO DEL Size
Rev
Date
Sheet
of
TPV MOD EL
PCB NAME
称爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬 隔 瓜 絪 腹 A
Custom
416Thursday , April 02, 2015
<
称爹 >
19. POWER I
筿綼 DCDC, 庇稰絬 , 环瞒 耑方
C747
22P 50V
M_SC L5,7,13,15,16
C750
10uF 16V
(Component change)
盢 R743 パ 2.2K ( 腹 :061G0402222 JY)э  NC
+12V_No rmal
+12V_No rmal
FB703
300R 4A
1 2
FB706
300R 4A
1 2
+24_Audio
+24_Audio
EN_U701
R746
NC/ 0R05 1/16W
C701
100N 50V
R788
22K 1%
(Schematic change)
盢 R752 パ 4.7K( 腹 :061G0402472 JF)
э
 22K( 腹 :061G04022202FT)
穝糤 R788 22K( 腹 :061G04022202
F
T
)
EN_U704
R750
NC
R718
4.7K 1/16W
C734
33P 50V
EN_U703
R744
NC/ 4.7K1/ 16W
R731
NC/0R05 OHM
U704
SY8009BABC
EN
1
GND
2
LX
3
IN
4
NC
5
FB
6
3D_EN 5
C705
100NF 25V
R2
PS_ON
C719
1N 50V
FB704
300R 4A
1 2
+5V_Standby
Vout=1.1V*(1+R1/R2)
R709
NC/1.2K 1/4W
C741
100NF 25V
+5V_Standy => +3.3V_Standby
+5V_Nor mal
R719
0R05 OHM
U703
MSH 6000A
EN
1
VFB
2
5V
3
SDA
4
SCL
5
LX
6
BST
7
PVDD
8
PowerPAD
9
USB_PW_EN5,10
+3.3V_Standby
VDDC_CPU_VSENSE
R726
3.3K 1/ 16W
R747
0R05 OHM
R717
NC/ 0R05
500 mA.
Addr 0xC0
ぶ惠ㄏノ 500mA DC/DC!!
High : Power On
Low: Power Off
4000 mA
Vout=0.765*( 9.1K+18K)/18K =>1.15V
ノ SY8008B 蠢
0603
Connetor
L701 3.3uH
0603
500 mA