Philips HTS3021/98 Service Manual page 41

1
POWER BOARD SCHEMATIC DIAGRAM
R903
220R/2W
R940
D
F901 680K/1W
L901
1 3.5A/250V
1 RV901
ET24 15MH
C903
471K10D
2
NC
2
3
3
C901
R941
4
4 C904
NC
CON901
0.22UF/250V
680K/1W
4PIN/3.96mm
V+
R939 220R/2W TG902
2
R920 C928
39K/3W 103/1KV
4
D914
C D917
FR207 R921
D915
1N4148
3K/0.25W
UF4007
7
C930
R922 392/50V
220/0.25W
8
4
C929
FB
471/1KV
IC904
C931 ZD907
FSCQ1565RP
473/50V 9.1V
IC905
R938
PC817
3K/2W
Q904
C932
2N5551
104/50V
1 3
E C
C933
R923
1K/0.25W
47UF/50V
IC906
ZD903 PC817
B
18V
C940
470P/400V
C941
NC
A
1
2 3
TG901
1K/0.25W
R901
L902
680K/1W
ET24 15MH
C906 BD901
D4SB460
1000P/400V
4 1
V- V+
C902
NTC901
R902
10D15
C907
1000P/400V
0.22UF/250V
680K/1W
1K/0.25W
C934
47P/1KV
33R/2W
R924
2
1
1
L906
2
2
5U/7A
12 3
12 3
D916
4
FFPF20U20DN
C936
2200UF/50V
7 104/50V
C935
10
2200UF/50V
10
8
T902
EER40
R926 R927 R928 R929
2.2K/0.25W 47K/0.25W 680K/0.25W-NC 22K/0.25W
430K/0.25W
104/50V
R930
C938
IC907
VCC
KA431
R931
2.2K/0.25W
R934
1
B
1K/0.25W
R932
Q905 R933
C1815 10K/0.25W
10K/0.25W
M5V
1K/0.25W
1
B M5V
R935 R936
Q906 1
1K/0.25W B STBY
C1815
Q907 R937
C1815
10K/0.25W
2 3
4
V+
t
V+
R905 C909
68K/1W
C908
222/1KV
330UF/400V
R904 D901
UF4007
68K/1W
Q901 VCC
2N5551
R906
15K/2W
+32V/5A
D904 1N4148
C911
22UF/100V
ZD901
12V
C937
D905
R907
UF4007
10R/0.25W
IC901
2
Vcc
C912
FSQ110
4
47U/50V
Ipk
C913
104/50V
ZD904
36V
R908
68R/0.25W
C914
ZD906
104/50V
12V
C942
NC
CON904
4PIN/3.96mm
1
1 +27V/5A
2
2
3
3
4
4
4
5
D906
C915
UF4007
47U/50V
ZD902
5.1V
D907
C916
UF4007
100UF/50V
C917
100UF/25V
D908
UF4007
-12V/0.1A
Q902
2N5401 R911
1 3
E C
1K/0.25W
D909 L903
UF4007 100UH
C918
D902
22UF/100V
UF4007
R910
L904
1K/0.25W
10UH/1A
D913
+12V/0.15A
1N5817
D910
C921
UF4007
C920
C922
220UF/25V 220UF/25V
104/50V
C923
33R/1W
47P/1KW
R914
L905
D911
10UH/3A
SB340
C924
D912
1000UF/10V C925
SB340
1000UF/10V
T901
EEL19
R915
R916
1K/0.25W
R918
1K/0.25W
5.1K/0.25W
IC902 R917
C927
1K/0.25W
PC817
104/50V
IC903
KA431
CON902 R919
1
5.1K/0.25W
1 +5V/2.5A
2
2
3
3 +5V/2.5A
CON903
4
4 +12V/0.15A 1
1 FL+
5
5 2
2 FL-
6
6 -12V/0.1A 3
3 -24V
7
7 STBY 4
4
7PIN/2.54mm
5
5 M5V
6
6 STBY
6PIN/2mm
5
6
FL+
D
FL-
R909
10K/0.25W
-24V
Q903
R912
2N5551 5K/0.25W
STBY
R913
10K/0.25W
M5V
C919
C
47UF/10V
ZD905
5.1V
+5V/2.5A
C926
104/50V
B
A
6