Schematic Diagram; Main Board - Haier LE32B7500 Service Manual

10. Schematic Diagram

10.1 Main Board

715G6686M01001004K
BL_PWM 13 14
PS_ON R762 100OHM1/16W 11 12 R763
9 10
7 8
5 6
P24V
R761 3 4
12V_5V
1 2
P12V
NC/10K
CONN
CN701
12V_5V +5V_Standby
FB702
1 2
NC/300R 4A
+5V_Normal
+5V_Normal
R713
10K 1/16W 5%
R714 10K 1/16W 5%
PW_CTL
R716 4K7 1/16W 5% Q705
MMBT3904
+5V_Standby
AO3401A
R720
C724
100K 1/16W
100NF 16V
R729
47K
R722
10K 1/16W 5%
PW_CTL
R723 4K7 1/16W 5% Q706
7 PW_CTL
MMBT3904
+5V_Normal
R702
1K
BL_EN BL_EN
NC/100R
3D_EN 12
Q702
C702 R703
P24V
NC/10N 50V NC/10K
12V_5V
MMBT3904
P12V
+5V_Normal
R706
NC/10K
R709
1K
BL_PWM
BL_PWM
C706
NC/4.7UF 10V MMBT3904
R712
1K +5V_Normal U703
AZ1084D-ADJTRE1
PS_ON
3
R718 2.2R
VIN
Q704
C721
MMBT3904
10UF 10V
+5V_Normal
Q708
+5V_Standby
R728
10K
R704
1K Q707
VBL_CTRL
R727 4K7 1/16W 5%
VBL_CTRL 2
MMBT3904
+3.3V_Standby
R707
4K7 1/16W 5%
R732
NC/1K
Q703 R710 4K7 1/16W 5%
BRI_ADJ-PWM0 2,3
+1.8V_DDR
2
VOUT
C723
R719
10uF
2K2 +-1% 1/16W
R701
100R 1/16W 1%
R721 1KOHM +-1% 1/16W
52
C704
22pF 50V R742 0R05 1/16W
Vout = 0.6x(1+100/13.3)=5.11V
R726 100K 1%
U706
R725 C726
13.3K 1% 1 6
FB BS
0.1uF 50V
DGND R730 L702
3.3A
2 5
EN LX
R734 4.7uH 12V_5V C727
100K 1/16W
62K 1/16W 1%
3 4
R740 0R051/8W 22UF 20% 6.3V
GND IN
SY 8104ADC
C713 DGND
10uF 16V
DGND
DGND
+5V_Standby U702
+3.3V_Standby
AZ1117D
3 2
VI VO
C712 C711 C714
1UF16V 10UF 10V 100NF 16V
CORE POWER 1.266V
R715 0R05 1/10W
Vout=0.6(1+R1/R2)=1.1V
R1 C730 22P 50V
R731 100K 1% R717 11K OHM 1/16W 1%
R2 R724 100K 1%
1 8
FB SGND
2 7
DGND DGND
PG EN
R711 100K 1/16W
2.04A
3 6
IN LX
L703
2.2uH
4 5
C716 C718
9 PGND NC
PGND
10UF 10V 10UF 10V U707 SY 8003ADFC
DGND DGND DGND
R741 10K
+5V_Standby
R733 C715
NC/1UF 16V
100K1/16W
DGND
USB_5V
+5V_Normal
PTCR
TH701
1 2
C725
1UF 16V
T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL
絬 隔 瓜 絪 腹 TPV MODEL
Key Component 01-Power PCB NAME
Wednesday , Nov ember 20, 2013 Sheet 1 of 12
Date
+5V_Standby
FB703
1 2
300R 4A
C728
22UF 20% 6.3V
DGND
+5V_Standby
+1.2V_VDDC
C717 C719
22UF 6.3V 22UF 6.3V
DGND
Custom
Size
Rev A
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