Psu: Power Supply Unit (42") (A1) - Philips 32PFL3404/77 Service Manual

Circuit Diagrams and PWB Layouts
PSU: Power Supply Unit (42")
8 7
A1
Power Supply Unit (42")
!
Z128
I
F
L809
P801
N
3
LIF-JLB1359
!
2 ! R830
!
560V
L
1
F801
!
5.0A
Z2
I
250VAC
L807 D822
4700UH 4148WS
PGND
D808
!
1N4007
E
!
D815
1N4007
D
D816
1N4007
PGND
C824
1000P
C
PGND
B
A
8 7
TCM3.1L LA 10.
6
! !
!
C845
!
L808
470P
Z26
C828 I
C823 !
R836 Z27
0.47U I
0.22U L804 NC
AGND
! C843
470P
Z44
I
PGND
K801
K801A
3V
R822
4R7
Z127
I
VC
R863
Z118 0R
I
R887
27K
R888
C801
Z120 Z121
I I
39K
47P
R827
D829
4K7
FR104
PGND
R826
C847 C826 R858
4K7
NC 0.022U
47K
C802
C835
10U
0.1U
Z119 Z126
25V I
U805
FA5571N PGND
1 8
ZCD VH PGND PGND D810
RL255
2 7
FB NC
L802
3 6 R871 Z130 VAL?
I
IS VCC
68R
Z122 Q803
4 5 I
GND OUT P7NK80
R849
PGND
10R D805
C807
D828 18V
330P
4148WS
R866
Z129
I 27K
R870
PGND
1K Z117
I
C832
R859
R856
470P NC 0.33R
PGND
PGND PGND
Z116
I
Z4
I
R819
C806 R862
! 22K C841
4U7
390K 1500P
450V
Z110
I
R803
22K
PGND
D813
HER108
Z115
U801
Z109
I
1 8
GND1 VSS
2 7 VC
GND2 D
PGND
3 6
VFB
Z106 Z105
4 5
I I
SYNC VCC
FSQ510
R867
D801 C818
1K C803
5V6 D803 C819
0.022U
20V 0.1U 22U
50V
PGND PGND
PGND PGND PGND
R880
6K8
Z25
I
R864
6K8
PGND
Z1
I
6
EN 43
5 4
Z125
I
!
C808 C809 L801
0.47U 0.47U
6
D804 7
5
N1
US10KB80R 8
N2
4
9
PGND PGND
3
10
2
11
1 12
PGND
Z43
I
R814
R815
510K 510K
R841
39K
C811
C825
1U
R812
0.1U
1M
400V
510K
R813
PGND
Z42
R861
R811
1M 470K Z29
I
U806
1U L6562A
Z35
R847 I
R810 C816 1 8
C814 INV VCC
12K7
1M
Z34
0.1U 2 7 I
COMP GD
R848
3 6
12K MULT GND
4 5 D802
PGND
Z30 CS ZCD 18V
I
PGND
Z28
I
PGND
Z31
I
C817
R840
0.01U C815
22K R886
50V 680P 1K
PGND PGND PGND
C822
0.1U
Q811 !
2907AL PGND
R885
4K7 Z123 1 Z45
Z124 4 I
I I
R868
2
10K 3
R829
U802
100R
PGND PS2561
AGND
AGND
R835
!
10M
!
C844
1000P D806
PGND Z48 YG902C
R873 I
AGND
47R
T801 3 1
2
6 7
ND
5 8
L803
C827 R808
4 9 1000P 100R
NS
3 10
NP2
Z131 2 NS' 11 C804
I C805
R823 R821
1000U 1000U
NP1 3K3 3K3
1 12
35V 35V
!
R877 D824
PGND AGND
1K FR104
Z49 AGND
I
Z51
1 C836
4 I
0.47U
R843
160V
4K7
2 R844
3 R845
1K C813 20K
R842
0.1U
10K
U803 ! Z52 AGND
I
PS2561
PGND
3
Z53
I
1
U808
2
TL431
R846A R846
4K7 4K7
AGND
!
AGND AGND
R825
2R7
R809
C842
10R
220P
R801 PGND
AGND
2R7
L805
D809
T802 SR160 NC
Z67 Z111
I
I
5 GND 6
ND C839
4 16V 7
NC
C838
!
3 8 470U
16V
D814 2 DRAIN 9
R865
NS
FR104 4R7 AGND
Z108
I NP
1 10
VC+ R850
200R
AGND
PGND !
AGND
R855
27K
R853 R853A
5K1
240K
Z107 U804
I R838
1 Z112
4 I
1K2
R854 C820
D820
10K 0.15U
4148WS Z114
3 2
I
PS2561
Z113
! U807 I
PGND
PGND
TL431_1V25
R852
3K
AGND
AGND
4
5
2009-Jun-05
3 2
D811 D812
RL255 RL255
3A/600V 3A/600V
Z41
I
VBUS
D818
R860
BYV29-600
5R VBUS
T !
C830 C840 C840A
!
120U 120U
0.047U
450V 450V
Z5 Z6 Z11 Z12 Z3 Z32 PGND
I I I I I
PGND
PGND
Z7 Z8 Z9 Z10
I I I I
R804
Z38
C812 Z36 10R
R817 I I Q802
4R7 1U SK3568
12A/500V
R807
Z37 47R
I
C
PGND Z40
I B
R806
47R Z39
Q805 E I
2222AL
R805
10R
Q809 Q801 C833
2907AL SK3568
220P
E 12A/500V
B
R872
C R839
100R
27K
R837
0.15R
PGND PGND
Z33
PGND
I
HOT
COLD
Q808
R820
BC847A
75R
R881
470R
Z18 P_ON
Z46
I I
Z47
C837 I
0.01U
R875
AGND
4K7 R874
47K
DIM
AGND
+3.3VSB/0.2A
L806
2.2UH
Z20 Z19
+24V/2A Z14
I I I
R824
C829
3K3
R876 470U
10K C 35V
Q807
B
BC847A
R802 E
220K
Z50
I AGND
AGND
D819
C821
4148WS
0.1U
Z13 Z22 Z21
I I I
AGND AGND
AGND AGND AGND
Z15
I
D807
4V7
VOL?
AGND
3 2
1
F
E
D
BL_ON
Z16
I
P802
Z17
I
11 12
9 10
7 8
5 6
3 4
1 2
AGND
C
B
A
1
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