Haier LD42U7000, Service Manual

Page: 51 / 59

51
14
）
Power II
VIN
1
GND
2
EN
3
VFB
4
LX
5
U701
G5695T11U
201 mA
L703 2.2uH
NC
C761
Vout=0.6*(1+R1/R2)==>3.3V
+1.2V_DM
50mA
201 mA
C785
10uF 10V
R756
0R05 1/10W R757
0R05 1/10W
32 mA 32 mA
C741
22uF 10V
C786
10uF 10V
TO252
OEM MODEL Size
Rev
Date
Sheet of
TPV MODEL
PCB NAME
称 爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬 隔 瓜 絪 腹
B
B
17 18 Tuesday , July 23, 2013
715G6250-M0B-000-0040
< 称爹 >
16-Power II
G6250-M0B-000-0040-1-12XXXX
C787
22uF 10V
Tuner & Demod Power
Vout = 0.8* (1+R1/R2)==>1.248V
0603
R745
NC R746
NC
C718
1UF16V
+5V_Standby
R759
0R05 1/10W
+5V_Normal
R761
0R05 1/10W
C716
1UF16V
+3.3V_Normal
54 mA
Vout=1.25 *(1+R2/R1)==>2.5V
VI
3
VO
2
GN
D
1
4
4
U702
AZ1117H-ADJ-E1
R1
R760 0R05 1/10W
R758
0R05 1/10W
R720 330 OHM +-1% 1/10W
54 mA
R762 82K
+2.5V_Normal
R718
330 OHM +-1% 1/10W
+3.3V_Standby
C714
1UF16V
R2
+5V_Normal
IN
1
GND
2
SHDN
3
SET
4
OUT
5
U712
AP2127K-ADJTRG1
R763
18K 1/10W 1%
Vout=0.8*(1+R1/R2)==>1.84V
R770
10K 1%
C760
100N 16V
121mA 417mA 50mA
C708
10uF 10V
C709
1UF16V
C776
4.7UF 6.3V
2.2UF 16V
C777
R2
R1
AD
J
(GN
D
)
1
VOUT
2
VIN
3
4
4
U703
AZ1117CH-3.3TRG1
+3.3V_Normal
+1.8V_Normal
R771
13K 1/10W
C719
10uF 10V
AD
J
(GN
D
)
1
VOUT
2
VIN
3
4
4
U709
AZ1117CH-3.3TRG1
C717
22uF 10V
C736
100N 16V
C715
22uF 10V
C706
100N 16V
C705
100N 16V
TO252
125 mA 125 mA
C781
10uF 10V
R769
0R05 1/10W R765
0R05 1/10W
+5V_Normal
C759
1UF16V
+3.3V_Tuner
R717
NC
IN
1
GND
2
SHDN
3
SET
4
OUT
5
U710
NC
R716
NC
417mA 121mA
C762
NC
+3.3V_Tuner