Schematic Diagram; Main Board - Haier LE43B7600A Service Manual

10. Schematic Diagram

10.1 Main Board

715G7492M0D000004K
Connetor
CN700パ14pin传12pin夹非てconnector.
CN700
CONN
DIM R700 33 OHM 1/16W 11 12 R701 33 OHM 1/16W
PS_ON R702 33 OHM 1/16W 9 10 R703 NC/33 OHM 1/16W
7 8
5 6
3 4 +24_Audio
1 2
C700
NC/100N 50V
R708 R709
NC/1.2K 1/4W NC/1.2K 1/4W
+5V_Standy => +5V_Normal
+5V_Standby
Q700
1
2 S D
3 S D
4 S D
C730
G D
220NF 25V
C 0603
R713 AO4449 -7A/-30V
47K
0603 100NF 25V
R714
0R05 OHM
B E 0603
R715 150K
R718 0603
4.7K 1/16W
PS_ON
Q701
MMBT3904
R720
NC/10K
+3.3V_Standby
+3.3V_Standby
R726
3.3K 1/16W
R727
2.2K1/16W
R729 4.7K 1/16W Q703
5,10 PWR-ON/OFF
MMBT3904
High : Power On
Low: Power Off
(Component change)
盢R743パ2.2K (腹:061G0402222 JY)эNC
+3.3V_Normal +3.3V_Standby
R742
2.2K1/16W
R765
NC/4.7K1/16W
R746
DIM
NC/0R05 1/16W
R749
BL_ON
33 OHM 1/16W
R752
22K 1%
C763
Q705
BRI_ADJ 5
100NF 25V
C764 MMBT3904
NC
R788
22K 1%
(Schematic change)
盢R752パ4.7K(腹:061G0402472 JF)
э22K(腹:061G04022202FT)
穝糤R788 22K(腹:061G04022202FT)
All manuals and user guides at all-guides.com
9/16  э
パ+12V_Normalэ+3.3V_Normal
Vout=0.765*( 9.1K+18K)/18K =>1.15V
+3.3V_Normal
R704
10K 1%
EN_U701
BL_ON
3D_EN 5
+24_Audio
C701 C702
100N 50V 1N 50V
C715 NC/22P 50V
VDDC_VSENSE
R706
9.1K 1%
+12V_Normal
C718 C719 +
100N 50V 1N 50V C717
100UF 25V
+12V_Normal
FB703
300R 4A
+3.3V_Normal 1 2
+5V_Normal
R762
8
R716 NC/10K 1%
7
10K 1%
6
5
EN_U703
R764 + C731 C735 C736
100UF 16V
NC/10K 1% C742
C732
C743
5,7,13,15,16
5,7,13,15,16
筿綼DCDC,庇稰絬,环瞒 耑方
+5V_Normal => +1.5V_DDR
+5V_Standby Vout = 0.6*(1+R1/R2)==>1.50V
FB704
+5V_Normal 300R 4A
R725
1K 1/10W
1 2
0603
PS_ON
FB705
+5V_Standby
R728 NC/300R 4A
4.7K 1/16W Q702
1 2
MMBT3904
R761
NC/10K 1% C744
10uF 16V
+12V_Normal
FB702
1 2
120R 6A
R753
NC/100K1/16W
+3.3V_Normal +3.3V_Standby
R743
NC/2.2K1/16W
R744
R747 NC/4.7K1/16W
0R05 OHM
R757
C771
10K
R751 1UF 10% 16V
R750 0R05 OHM
NC
VBL_CTRL 5
Q704
NC
R756
22.1K 1%
500 mA.
+12V_Normal FB700
300R 4A 0.5A(MAX)
1 2
R763
NC/10K 1%
3.5A(MAX)
U701
9
C716 VDDC VDDC_VSENSE
EN_U701 1 E-PAD 8
100NF 25V
EN VIN
2 7
R707 L700
VFB VBST
3 6
0R05 OHM
VREG5 SW
R1 4 5
SS GND
4.7uH 32mOHM 5.5A
R2 TPS54328DDAR
4000 mA NC
C723 C724 C725 C726 + C722
綼DC-DC
(Component change)
盢L701 2.2uH(腹:373G253S364D00)
э3.3uH腹:373G253S364D00)
U703
VDDC_CPU
8
PVDD
6 L701 3.3uH
LX
EN_U703 1
EN
C733
3 7 100NF 25V R1 R717
5V BST
NC/ 0R05
4 2 FB2 C734
SDA VFB
33P 50V R719
5 9
0R05 OHM VDDC_CPU_VSENSE
SCL PowerPAD
R723 C738 C739 C740
MSH6000A
R721 R722 R2 6.2K 1/16W 1%
Addr 0xC0
M_SDA
Vout=1.1V*(1+R1/R2)
M_SCL
R724
47K +-1% 1/16W
綼DC-DC
﹍筿溃玂靡 IC pin 1.24V
!!!惠ㄏノ5A DC/DC
ぶ惠ㄏノ500mA DC/DC!!
+5V_Standby
Reserved for
power Enable
R730
use
NC/4.7K1/16W
R731
NC/0R05 OHM
ノSY8008B 蠢
STR_GPIO 5
U704 R732
SY 8009BABC 0R05 OHM FB706 +1.5V_DDR
6 1
DDR_PWR_FB EN_U704 300R 4A
5 FB EN 2
EN_U704 4 NC GND 3 1 2
L702 2.2UH
IN LX
C745 C746 R733
100NF 25V 10uF 16V 33K 1% C747 C748 C749 C750
22P 50V 10uF 16V 100NF 25V 10uF 16V
DDR_PWR_FB
R734 R735
0R05 OHM 22K 1%
+12V_Normal => +5V_Standby
Vout=0.765x (1+125.1K/22.1K) = 5.09V
ZD700 C770 C767 C769
10UF 25V 100NF 25V 10UF 25V
BZX84B6V8
R760
5K6 1/16W 5%
U706
TPS54528DDAR
9
E-Pad
1 8 C766 L704
EN VIN
2 7 100NF 25V 3.3UH
VFB VBST
3 6
4 VREG5 SW 5
SS GND
C775 C776 C774
22UF 10V 22UF 10V 22UF 10V
C772 C768
1UF 10% 16V 10N 50V
R755 R754 124K 1%
1K 1/16W 1%
C773 22P 50V
48
LDO
+5V_Standy => +3.3V_Standby
+5V_Standby U700 500 mA +3.3V_Standby
AP1117E33L-13-77
3 2
VIN VOUT
C705
+5V_Normal =>
+3.3V_WiFi++3.3V_Normal
R711
+5V_Normal 0 OHM +-5% 1/8W
L706
U702 2.2uH
4 3
VIN LX
R784
10K
C729
VDDC_CPU_VSENSE
2.2UF 16V 1 6 R1
EN VFB
R785 R783
2.7K 1% 43K 1%
G5719TBIU
R2
C741 + C737
Vout = 0.6*(1+R1/R2)=3.3V
+12V_Normal => +5VUSB
+12V_Normal FB707
Vout=0.765x (1+125.1K/22.1K) = 5.09V
5,10 USB_PW_EN 1 2 VIN_U707
120R 6A
C751 C752
10UF 25V 100NF 25V
R736 R737
22 OHM 1/16W NC/100K1/16W U705
TPS54528DDAR
1
2 EN
3 VFB
4 VREG5
SS
C755 R738
1UF 10% 16V NC/100K1/16W
C760 C761
1UF 10% 16V 10N 50V
R739
R740 R741
1K 1/16W 1%
22.1K 1%
C762 22P 50V
FB701
120R 6A +5V_Standby
1 2
C765
100NF 25V
T P V ( Top
絬 隔 瓜 絪 腹
Key Component 19. POWER I
Date Thursday , April 02, 2015
+3.3V_Normal
DVDD3V3
R712
0 OHM +-5% 1/8W
C753
10UF 25V
箇ňUSB筿方拈
9 埃FB708
E-Pad
8 C754 L703 +5V_USB
VIN 7
100NF 25V 3.3UH
VBST 6
SW 5
GND
C756 C757 C758 C759
22UF 10V 22UF 10V 22UF 10V 100NF 25V
124K 1%
Victory Electronics Co . , Ltd. ) OEM MODEL Size Custom
TPV MODEL Rev A
PCB NAME
称 爹 <称爹>
Sheet 4 of 16