Philips 75PFL5704/F7 Service Manual page 59

Power Supply 2 Schematic Diagram
4
CONTINUE
POWER SUPPLY 1
VLED1
VLED2
VLED3
VLED4
N1
N2
P-ON+20V
3
D1027
1SS400ST
18.5
Q1003
R1041 D1041 D1028
1 1SS400ST 1SS400ST KTC8050S
-D-RTK/P
(SW+20V)
2
Q1001
2SA1576UBTLQ
(SWITCHING)
19.3 19.4
R1042
680
19.3
R1046
D1040
2.2K
R1049
MM5Z16B
18K
R1047
0.1
10K
Q1002
KTC3875S
0.7
-Y-RTK/P
R1048 C1050 (SWITCHING)
0
47K 0.1
CONTINUE
POWER SUPPLY 1
BACKLIGHT-ADJ
1
BACKLIGHT-SW
PROTECT3
G
D1009 D1013
OPEN OPEN
D1010 D1014
OPEN OPEN
D1011 D1015
OPEN OPEN
D1012 D1016
OPEN OPEN
R1019 R1021
OPEN OPEN
D1007
OPEN
D1008
OPEN
D1024
OPEN
D1025
OPEN
15.4
R1052
16.1 2K
C1006 D1029 C1007
OPEN OPEN 0.1
R1069
3.6K
R1043 R1044 R1045
560 560 560
R1051
3.6K
D1026
TFZVTR16B
R1050
2K
H I
POWER SUPPLY CBA
D1032 D1036 R1001 R1008 R1059 R1064
OPEN OPEN OPEN OPEN 68K 68K
D1033 D1037 R1002 R1010 R1060 R1065
OPEN OPEN OPEN OPEN 68K 68K
D1034 D1038 R1004 R1011 R1061 R1066
OPEN OPEN OPEN OPEN 68K 68K
D1035 D1039 R1005 R1057 R1062 R1067
OPEN OPEN OPEN OPEN 68K 68K
R1023 R1025 R1007 R1058 R1063 R1068
OPEN OPEN OPEN OPEN 68K 68K
D1005
OPEN
D1006
OPEN
D1018
1SS400ST
D1019
1SS400ST
R1028 R1027
330K 1K
IC1001
C1015
BD9412F-GE2
OPEN
LED BACKLIGHT
R1029
DRIVER
R1038 100K
D1030
100K
MM5Z20B
15.4 18.8
1 VCC 18
C1008 D1031
OPEN MM5Z20B
3.3 18.8
2 STB DRIVE 17
C1014
0 0
0.01
3 GND 16
R1030
27K
1.7 3.1
4 OSC PWM2DC 15
R1036 R1031
R1037 47K 68K
2.8 0
30K 5 14
PROTECT
C1009 C1032 C1017
0.01 OPEN OPEN
0.5 0
6 13
C1016
FEEDBACK
0.022
0.8 5.2
7 12
C1011 C1021
C1010
OPEN 0.1
1000P 3.5 2.2
8 PWM LOGIC ADIM 11
R1032
1K
0.1 3.3
9 PWM 10
C1012 R1034
R1035
C1013
0.1 100K
OPEN
220P
R1039
1K
J
10-4
TO LCD PANEL
CN1001
ASSEMBLY
135.5
1 VLED1
2 NU
135.5
3 VLED2
4 NU
67.9
5 ILED1
67.5
JS1012 6 ILED2
OPEN
0.5
7 ILED3
0.5
JS1001
8 ILED4
JS1002 JS1023
9 NU
OPEN
67.9
10 VLED3
11 NU
67.5
12 VLED4
R1033
OPEN
D1017
R1014
OPEN
R1013 C1022
0.22/1W
12K 2200P
R1015
0.22/1W
K L
PL19.29SCP2