Schematic Diagram; Main Board - Haier 48LTV3002 Service Manual

10. Schematic Diagram

10.1 Main Board

715G3365M03000004K
03) Power
33A3802-12B
CONN
1 +12V
2
3 C714 C715
+
470uF/16V
4 0.1uF 50V
5 +5V
6
7
8 GND
9
BL_ON1
10
11 PWR_ON
V_IPWM
12
CN701 C726
0.1uF 50V
GND
2008-9-23
GND
5VSB
R733
10K OHM 1/10W
PWR_ON
R734
PW_ON
C730
0.1uF 50V Q711 1K OHM 1/16W
PMBS3904
GND
VCC5
FB706
300 OHM
Add Thermal Pad
U707
3
VIN VOUT
+ C738
0.1uF 50V
C701
10uF/16V
GND
5VSB
H1 H2 H3 H4 H5 H6
NC NC NC NC NC NC
GND GND GND GND GND GND
5VSB
R717
V12_ADP 10K OHM 1/10W
R718
R719 NC
10K OHM 1/10W
V_IPWM
R720
BL_ADJ 11
C723
NC
1K OHM 1/16W
Q707
PMBS3904
5VSB
GND
+ C727
470uF/16V
5VSB
R728
10K OHM 1/10W
BL_ON1
C728 R731
BL_ON 12
0.1uF 50V 1K OHM 1/16W 5VSB
Q710
12
PMBS3904
GND
+
C702
10uF/16V
GND
5VSB
5VSB
C712
NC
VCC3
V33_ADC
V33_ADC
TP402
2
+
C740 C739
220uF/16V 0.1uF 50V
GND
ADC 3.3V
V33_AUD
FB709
300 OHM
+
C716
220uF/16V
V1 H7
NC NC
GND
GND GND
VCC3
C748 C749
0.001uF 0.001uF
GND
VCC3
Add Thermal Pad
VCC3
U708
U701
AIC1084-33PM AIC1084-18PM
3 2 3 2
VIN VOUT IN OUT
+
C720 C741 C724
0.1uF 50V 0.1uF 50V
220uF/16V
R702 R703
0 OHM 1/10W NC
GND
3.3V StandBy 5V TO 3.3V TO 1.8V
V12_ADP VCC5
C706 C709 C710 C711 C729 C731 C732 C736
NC NC NC NC NC NC NC NC
GND
GND
V33_AUD VCC8
C737 C744 C745 C746 C747
NC NC NC NC NC
GND GND
GND
E_PAD TP403
V33_ADC V33_AUD
FB701
1 2 VCC5
300 OHM
GND
VCC18 VCC5
Add Thermal Pad
AZ1117D-1.8-E1
VCC18
3
INPUT
2
OUTPUT
1
ADJ/GND
U703
+
C717 C718 C721
0.1uF 50V 220uF/16V 0.1uF 50V
GND
49
For 26"
FB702 =>61G1206000
Q702 =>NC
For 19" 22"
FB702 =>NC
Q702 =>AO3407
5VSB
SYS_PW
Norm al: Low
Stand_By: High R709
10K OHM 1/10W
12V SW
R712
1K OHM 1/16W
VCC18_CORE
Q705
12 POWER_ON
PMBS3904
R713
1K OHM 1/16W
+ GND
C742 C743
0.1uF 50V
220uF/16V
GND
SYS_PW 5VSB
Norm al: Low
Stand_By: High
R725
10K OHM 1/10W
5V SW
R727
1K OHM 1/16W
R729
Q709
12 POWER_ON
PMBS3904
1K OHM 1/16W
GND
V33_AUD VCC12
Add Thermal Pad
U705
V33_AUD
3 R701
VIN
2 330R 1/10W 5%
VOUT
1
ADJ(GND)
C703
+
NC
100uF/16V
GND
VCC12
AUDIO 3.3V
VCC12
V12_ADP
FB702
NC
R704 Q702 AO3407
22K OHM 1/16W
C707 + C708
0.1uF 50V 100uF/16V
R710
10K OHM 1/16W
GND
Q704
PMBS3904 C713
4.7uF/16V
VCC12
GND
GND
5VSB VCC5
Q706
1 8
S D
2 7
S D
R716 3 6
S D
22K OHM 1/16W 4 5
G D
AO4449 -7A/-30V
C719
0.1uF 50V
+ C722
100uF/16V
R726
10K OHM 1/16W
GND
Q708
PMBS3904 C725
4.7uF/16V
VCC5
GND
GND
VCC8
VCC8
Q703
PMBS3904
R705
NC
C704 C705
+
100uF/16V 0.1uF/16V
RLZ9.1B
GND
AUDIO MUX /
Amplifier 8V