Power Board [P] - Philips 32PF9968/10 Service Manual

Circuit Diagrams and PWB Layouts
Power Board
1 2 3
POWER BOARD
P
A
TH901
S900
1 2
SCK132R56 GS41-201MA
!
N
!
! C900
470pF/250V
! ! !
CN901
!
SOCKET
B 3 L901
!
L
LS-PH04C-003LF
!
C901
470pF/250V
S901
GS41-201MA
C
CN904
CONN_NC
+12V +24V +5.2VSB
C936 C935
CN902 0.1uF 0.1uF
1 INVERTER-ON-OFF
D
2 BRIGHT-ADJ
3
4
5
6
7
8
9
STANDBY_IN
10
11
12
64842 12P 2.5MM
E
+24V_INV
CN903
C937
0.1uF
1
2
3
4
5
6
7
8
9
10
11
12 INVERTER-ON-OFF
BRIGHT-ADJ
13
F
C938
CONN C939 0.1uF_NC
0.1uF
G
H
715T2697-1
1 2 3
TPM 1.2HU LA 7.
4 5
HBD901
2 2
Heatsink
S902
V-BUS
GS41-201MA
+
!
BD901
GBU6J
R940
L902 2.4M
+
-
1 4
LS-PH04C-003LF
R941
Q906
2.4M
BC857C
S903
GS41-201MA R910 +
R913
0R
D912 22K
1N4148_NC
IC901
1 8
BO HV
R912
2 0R
FB
3 6
CS VCC
C944
0.1uF C912
4 5
GND DRV
C914
220PF C956
2.2uF/25V
0.1uF
NCP1337DR2G
C918
R949
1
10R 1/8W
10P/1KV
D909 LL4148PT
R922
10R
R918
100R
D908
R917
10R
LL4148PT
R916
R920
100R
2.2K OHM
FB908
BF40TA-3.5x4.7x1B
V-BUS 1 2
D916
VCC
R950 R951 + RGP10D
12K 47R C946
33uF_50V
IC906
5 4
S D
ZD908
6 RLZ15B
S
7 2
S BP/M
8 1
S EN/UV
TNY277PN-TL
C947 C948
100pF 0.1uF
4 5
EN 40
6 7 8
FB907
C902
HQ901
Heatsink
BEAD
0.0022uF/250V
FB905
!
1 2
BEAD
R942
FB906
BF40TA-3.5x4.7x1B
2R7 2W
10nF 250V
1 2
3
2
!
1
R933 D902 SP10150
8.2K_NC 7 14
13 3
12 2
1
D903 D901 SP10150
6
UG1007
11
10
8 9
D906
RGP10D
R915
4
22R
3
+
2
1
T901
ER-40
!
R946
R934
15K
5.1K
D913 R923
BAV103 3.3K
2
R927
9.1K
C921
0.22uF
R925
22K
IC904
TL431
R919
22K
Q903
RK7002
D910
RGP10D
R947 BC857C
Q905
!
R944
100 R
4.7K
R948 R945
22K
10K
C949
R958
4R7
2.2nF/500V
!
1
2
3
T902
D917 SBF1040CT
EF-20 +
1 10 ZD909
9 D921 RLZ5.6B
D915
UG1007 3
Q907
RGP10D
BT169B
2 8 2
7
R959
C954
4 R952
0.1uF
6 10K
10R
R953
5 220R
!
R954
IC907
3.3K
TCET1103
R955
0 OHM
C952
0.1uF
IC908 R957
TL431 12K 1%
6 7 8
9 10
HIC902
Heatsink_NC
HD902
2 2
Heatsink
C941
L903
L906
10nF 250V
+24V
C925 0.8uH
2.3uH
+ + C929
47uF/50V
L904
+24V_INV
2.4uH
+ + + C930
47uF/50V
+ C932
C931 470UF 35V
0.1uF
R938
IC902 19.6K 1%
5 4
ENA VSENSE
6 3
GND NC
7 2
VIN NC
R936
8 1
PH BOOT
2.2K_1%
TPS5430DDAR
R928
0R L905
1 2
35uH
R935
10R
+
R932
R924
1K
19.6K 1%
C933
1nF
R960
4.7K 1%
R931
STANDBY_IN
1K
R943
Q904
RK7002 1K
C940 R939
0.1uF 330K OHM 1/8W
L907
+5.2VSB
2.3uH
+ C951
470uF 16V
C915 33uF 50V_NC
C916 100uF 25V_NC
C938 0.1uF_NC
R914 3.3K_NC
R933 8.2K_NC
R961 330K_NC
R956
D912 1N4148_NC
13K 1%
HIC902 HEATSINK_NC
VIN : 120VAC single range
9 10
11
BD901 B4 R929 E8
C900 B3 R930 E8
P C901 C3 R931 E9
C902 A7 R932 D9
C907 B5 R933 B6
C908 B1 R934 C8
C909 B3 R935 D10
C911 C4 R936 C10
A C912 D3 R937 E7
C913 D4 R938 C10
C914 D5 R939 F9
C915 C6 R940 B5
C916 C5 R941 B4
C917 B7 R942 A8
C918 D6 R943 F9
C921 D8 R944 F8
C922 E8 R945 F7
C925 A8 R946 C7
C926 B8 R947 F6
C927 B9 R948 F6
C928 A9 R949 D5
C929 A10 R950 G4
C930 B10 R951 G4
B
C931 C9 R952 G7
C932 C9 R953 G8
C933 D10 R954 H6
C934 D11 R955 H7
C935 D2 R956 H8
C936 D2 R957 H7
C937 E2 R958 F7
C938 F2 R959 G6
C939 F2 R960 E8
C940 F8 R961 D9
C941 A8 S900 A2
C942 C10 S901 C2
C943 B6 S902 A3
C944 D3 S903 C3
C945 F5 T901 B7
C
C946 G5 T902 G6
C947 H4 TH901 A1
C948 H4 VAR901 B1
C949 F7 VAR902 B5
C950 G7 ZD901 C5
C951 G9 ZD902 C6
C952 H7 ZD903 D9
C954 G7 ZD905 D6
+12V
C955 F4 ZD906 E6
C956 D5 ZD907 D7
CN901 B1
CN902 D1
CN903 E1
CN904 C1
D901 B8
D
D902 B8
D903 B7
D905 B7
D906 C6
D908 E5
D909 D5
D910 E6
D911 D10
D912 C4
D913 D7
D914 F6
D915 G5
D916 G5
D917 F7
D921 G7
E
F901 B1
FB905 A8
FB906 A6
FB907 A7
FB908 F4
HBD901 A4
HD902 A10
HIC902 A10
HQ901 A5
IC901 C4
IC902 C9
IC903 D7
IC904 D8
IC905 F7
IC906 G4
F
IC907 H6
IC908 H6
L901 B2
L902 B3
L903 A9
L904 B9
L905 D10
L906 A10
L907 F8
Q901 E6
Q902 D6
Q903 E8
Q904 F8
Q905 F6
Q906 C5
G
Q907 G7
R901 C2
R902 B2
R903 B2
R909 C3
R910 C4
R912 D5
R913 C5
R914 C5
R915 C7
R916 E5
R917 E5
R918 D5
R919 E6
R920 E4
H
R921 E6
R922 D5
R923 D8
R924 D8
R925 D6
I_17940_027.eps
R927 D8
290508
R928 C8
11