Philips 43PUG6102/77 Service Manual page 60

8-5-15 MST7484 Power
VCC5V_FRC
+5V_SW
FB705 120R 6A
C8077
1uF 10V
5A(Spec.)
U4253
VCC5V_FRC
G1117-33T63Uf
3 2
VI VO
C937
1uF 10V
VCC5V_FRC
R807
4.7K 1/16W
U808
SY 8009BABC
6 1
FB EN
5 2
NC GND
4 3
IN LX
C936
R804
R803
10K 1% 1/16W
0R05 1/16W
Vout=
0.6x(1+20K/10K)=
1.8V
C8078
10uF 16V
FRC 3.3V
VCC3.3V_FRC
C933
C932 100NF 16V
10UF 6.3V 20%
Modify
151210
VCC1.8V_FRC
L801
4.7uH
C929 C928
R802
20K 1% C910
22P 50V
+18V
U809
Big plane
8
IN
7
IN
C947
10UF 25V
1
EN
VCC5V_FRC
10K 1/16W 5%
5
R901 VC
C952
4.7UF 6.3V
R902
C951 9
GND
51K 1/16W 5%
NC/100NF 25V
SY 8366QNC
SY8366: Max:6A
Vin 4V~25V
Vout = 0.6V ⊙ (1+( R1/R2
))
Vout = 0.6V ⊙ (1+( 20/36
))=0.93V
2
FRC Core Power 0.9V
PG
6
C949
BS
0.1uF 50V
2.2uH
R909
2.2R 1%
L802
10
LX
4
FB
R911
3 10 OHM 1/16W
C948
ILMT
220pF 50V
R1
R912
20K 1%
R913
R2
36K 1%
Modify
151203
4.8A
VCC0.9V_FRC