Philips VES15.1HE LA Service Manual page 44

Circuit Diagrams and PWB Layouts
10-2-2 A02
32", 40" and 48" Slim Integrated Power Supply
A02
LED DRIVER
C75 R89
270R
25V 470n C74 C79
C51
2u2 1u
25V
25V 470n 10V
C76
330n 16V
1 16
BL_ON-OFF 270R COMP VCC
R90 VCC_LED
2 15
R88 EN VIN
PWM_DIM 10R
3 14
C77 DBRT GATE
U3
4 13
330n 16V GND ISENSE
R111 MP3394
S54
5 12
330k OSC OVP
S55 R113
6 11
6k8 ISET LED1
LED1
R3
7 10
100k BOSC LED2 LED2
8 9
LED4 LED4 LED3
LED3
LED DRIVER VCC CONNECTION
VCC_LED
S46
+12VCC
C84 C83
10u 10u
50V 50V
VES15.1HE LA 10.
C24 C300
10u 10u
Tapped Coil Option
16V 16V
C23 C301
10u 10u
16V 16V
47u
BOOST INPUT VOLTAGE
+24
S20
C22
+24VCC 50V
+24VCC_SW +24
L8
S19 Vp D29
3 4
17u
SB5100
2 1
L1 L2
13u 13u
+24
L6
C49 150u
1u
25V
GATE_LED
C80 10V
2u2
R112 CS_LED GATE_LED R78
330k 10R
D21
OVP_LED
1N4148
C78
2u2 10k
10V R86
Q14
BC858B
EN 44
OUTPUT DIODE RC SNUBBER CIRCUIT
R71 R73
10R 10R 1u
CON_AC R72 R74
10R 10R C50 V_LED+
25V
Vp
V_LED+
D28
F2 SB5100
F8 D27 F4
V_SW
50R
F3 50R SB5100 50R
F6 F7
50R 50R F5
Vp
50R 50R
Q20
FQPF9N50C
Q17
FQD7N10L
C45 47p C44
47p 2kV
2kV
R70 R69 R68 R67 R66 R65
CS_LED
LED DRIVER SINK MOSFET OPTION
LED4_S
Q18
Q19
FQD7N10L
VCC_LED
FQD7N10L
VCC_LED
R110
R299
100R
100R
R87
R298
LED4
back to
2015-Jan-20
div. table
BOOSTED OUTPUT
V_LED+
C65
1n
50V R107
R104
R106
OVP_LED
R105
CHANNEL OPTIONS
S53
LED2_S LED1 LED1_S
S52
LED2 LED2_S
S51
LED3 LED3_S
S50
LED4 LED4_S
LED2
S49
LED2
LED1
S48
LED3 LED4
S47
LED2
LED3
LED1_S LED2_S
S45
LED3_S LED4_S
S44
32", 40" and 48" Slim
Integrated Power Supply
A02
POWER BOARD to LED BARS CONNECTION
CN6
V_LED+
1
LED1_S
2
LED2_S
3
LED2_S
S43
4
S18
5
V_LED+ LED3_S
6
LED4_S
7
CN7
1
BL_ON-OFF
2
PWM_DIM
3
4
5
6
+24
7
8
17ips71p-r4
19830_505_152001.eps
152001