Philips 43PUS6412/12 Service Manual page 45

8-3-3 Main Power
R9136 R9137 R9138
BR_IN BR_out
620K 1/4W 620K 1/4W 620K 1/4W
Vbus
BR_out +VCC1
R9140
62R
SARS01-V1
R9150
62R
R9144
U9101
62R
1 8
GND
FB/OLP GND
2 7
BR VCC
6
R9113
OCP
4 5
5R1 1%
ST DRV
SSC3S121A
C9141
100nF 50V
C9128
4.7uF 50V
GND GND
GND
10R 1%
ZD9101
BZT52-B4V3
C9112
2.2nF 50V
C9104
470PF 50V
C9102
4.7uF 25V
GND
R9118
4.7K 1/8W
C9121
220N 50V
4 1
U9102
3 2
EL817M(X)
GND
HS9101
1
2
3
4
GND
HEAT SINK
12VS
T9101
5
12
R9141
4
75K
+
6
11
D9101
3
2
D9109
7
R9114
SARS01-V1
2.2 OHM 1/4W
1
+VCC1
POWER X'FMR
D9103
PG1010R
+
C9103
100UF 50V
D9102 Q9101
GND TK13A65U
R9108 SS1060FL
R9107
C9139 C9140
82 OHM
R9104
150 OHM 1/ 4W 1NF 1NF
R9101
0R2 5%
GND
R9153
3K
+VCC1
U9103
EL817M(X)
PFC_OVP 4
R9128
3
NC_6.2KOHM +-1% 1/8W
ZD9109
+
BZT52-B16
GND
D9107
SR810-05
2 1
MTB15P04FP
D9100 R9142
SR810-05 100KOHM +-5% 1/8W
2 1
C9109
+ +
470uF 25V
C9120
D9106 NC_1uF
NC_SK810C
2 1
C9119
D9104 NC
NC_SK810C
2 1
Q9111
MTE011N10RFP-0-UB-S
R9126
10 OHM 1/4W
C9133
R9124 100nF 50V
33K +-1% 1/4W
U9111
8 1
7812
SY NC Timing
7 2
Vdd Pred
6 3
5 MOSG-C VR 4
GND Adj
C9135
100nF 50V
SP6018ES8RGB
D9105
SS1060FL
LLC_OVP
R9155
Q9109
2Kohm 1/ 4W
12VS
BTB1424AM3 Power Saving需加入3.5V DC to DC
R9158
D9108 1K5 +-1% 1/8W 12VS FB9301 127R
1N4148W
PS_ON
1
R9156 R9164 R9157
3K 1% 3K 1% 10K OHM
2
L9101
NC_1.1uH
HS9102
L9102
Q9104
1.1uH
+12V
C9115
+
470UF 25V C9144 C9143
NC 1uF
HEAT SINK
CN9102
15
ON/OFF
13
3D
11
9
Q9110
7
2N7002K
+12V
5
+12V
3
+12V
1
DV5
R9145
C9122 510K 1% 1/8W CONN
0.1uF 50V
2
ON/OFF
4
7812 12VS
R9125 3D 6
4.7 OHM
8
10
+12V
12
+12V
1 3 14
OUT IN +12V
16
U9112
NC C9310 CN9101
NC NC-CONN
1 2
C9303
R9304
100NF 50V 2R2
U9301
1 6
ZD9301
BS LX
BZT52-B5V1
2 5 2 1
GND IN
+
3 4
FB EN
SY 8113BADC
C9302
C9301
1uF
470UF 25V
C9309
C9304
1uF 50V 100NF 50V
1
2
3
4
16
DIM
14
PS_ON
12
10
8
+12V
6
+12V
4
+12V
2
+5V
1
DIM
3
5 PS_ON
7
9
+12V
11
+12V
13
+12V
15
+5V
Vout = 0.6V * (1 + R9302/R9303)
= 0.6V * (1 + 100/20.5)
= 3.53V
Vout = 0.6V * (1 + R9302/R9303)
= 0.6V * (1 + 100/13.5)
= 5.04V
Vout = 0.6V * (1 + R9302/R9303)
= 0.6V * (1 + 100/19.6)
= 3.66V
+5V
L9301
4.7uH
R9302
+
C9308
10K 1/8W 1% C9305 C9306 C9307
470UF 25V
100PF 50V 10UF 16V 10UF 16V
R9303
1.96KOHM +-1% 1/8W
R9301
5K1