Philips FX20 Service Manual page 34

8-6
Circuit Diagram - Power board
A
BD501 BD501
KBP306 KBP306
1
CE501 CE501 CE502 CE502
+ + + +
2 3
NC NC 150uF/450V 150uF/450V
Alternative
Alternative
FB80@100MHz FB80@100MHz
FB503 FB503
CX502 CX502 0.1uF/250VAC 0.1uF/250VAC
R5013 R5013 R5014 R5014
1M 1M 1M 1M
CY503 CY503 CY502 CY502
470pF/250VAC 470pF/250VAC 470pF/250VAC 470pF/250VAC
D505 D505 R502 R502
Q506 Q506 33K 33K
P
1N4148 1N4148
LIF502 LIF502
LIF502_3 LIF502_4
Q505 Q505 PNP_MMBT8550CLT1 PNP_MMBT8550CLT1
2 PNP_3CG3906M PNP_3CG3906M
LIF502_2 LIF502_1
R536 R536 R537 R537 C537 C537
24mH 24mH
1M 1M 2.2M 2.2M 0.47uF/63V 0.47uF/63V
R5011 R5011 R5012 R5012
R535 R535
ZD505 ZD505
1M 1M 1M 1M 1M 1M C511 C511
1 F 1 F
20HSC 20HSC
CX501 CX501
0.33uF/275VAC 0.33uF/275VAC C517 C517
330pF/50V/X7R 330pF/50V/X7R
R520 R520
LIF501_3 LIF501_4
LIF501 LIF501
7.5K 7.5K
SC Option
LIF501_2 LIF501_1
560uH 560uH
RV501 RV501
RJ508 RJ508
VDR/470V VDR/470V 0 0
TR501 TR501
0 0 RJ504 RJ504
F501 F501
NTC/3ohm/5A NTC/3ohm/5A
3
FUSE_3.15AL/250V FUSE_3.15AL/250V Q507 Q507
CY501 CY501
NC NC
C518 C518
0.01uF/50V/X7R 0.01uF/50V/X7R
P
CON501 CON501
2PIN/7.92mm 2PIN/7.92mm
R524 150K/1% R524 150K/1%
LIF501 Alternative
FMOD
FB502 FB502
LIF501_1 LIF501_4 2 V_1
R532 1K R532 1K C524 C524
3
FB80@100MHz FB80@100MHz Q504 Q504
1UF/16V/X7R 1UF/16V/X7R
FB501 FB501 1 V_2
D504 D504 3DG3904M 3DG3904M
LIF501_2 LIF501_3
FB80@100MHz FB80@100MHz BAT54C BAT54C
4
* CAUTION :
THE PARTS MARKED WITH ARE IMPORTANT PARTS ON THE SAFETY.
PLEASE USE THE PARTS HAVING THE DESIGNATED PARTS NUMBER WITHOUT FAIL.
A
B
C503 C503
0.0022uF(222)400V 0.0022uF(222)400V
R503 R503
2M 2M
C502 C502 R510 R510
R508 R508 47K/2W 47K/2W
0.01uF/400V 0.01uF/400V 22 22 R509 R509
22 22
R504 R504
2M 2M
R505 R505
2M 2M
R501 R501
33K 33K FR107/1A/1000V FR107/1A/1000V
RJ501 RJ501 R511 R511
D502 D502
22 22 0 0
Vcc
+ +
CE504 CE504
L6566B L6566B
R506 R506 47uF/35V 47uF/35V
470K 470K
1 16
HVS AC_OK
2 15 D506 D506
N.C. VFF
BAS316/100V/0.5A BAS316/100V/0.5A
2200pF/50V/X7R 2200pF/50V/X7R C513 C513
3 14 47pF/50V/NP0 47pF/50V/NP0
GND SS
15K/1% 15K/1% C507 C507
D503 D503 R519 R519 22 22
4 13 OCS C521 C521
GD OCS
BAS316/100V/0.5A BAS316/100V/0.5A
5 12 0.033uF/50V/X7R 0.033uF/50V/X7R R507 R507 R518 R518 47 47
Vcc MODE/SC
NC NC
1
FMOD 6 11 12A/650V 12A/650V
FMOD ZCD
R521 R521 QR Optional R515 R515
7 10 VREF
10K 10K
CS VREF
8 9
DIS COMP
R517 1K R517 1K
R516 R516
U501 U501
0.22/2W 0.22/2W
VREF C523 C523
0.01uF/50V/X7R 0.01uF/50V/X7R
0.01uF/50V/X7R 0.01uF/50V/X7R
R534 R534 56K/1% 56K/1%
C522 C522 RJ502 RJ502
0 0
100K 100K R533 R533
3DG3904M 3DG3904M RJ505 RJ505
0 0
RJ506 RJ506
0 0
TR502 TR502 RJ507 RJ507
0 0
C516 C516 100K 100K
0.01uF/50V/X7R 0.01uF/50V/X7R
CLOSE to MOSFET RJ510 RJ510
0 0
T502 T502
PQ3230 PQ3230
HV 1 A8 8
VDD
A9 9 T501_S3
R526 R526
OCS1
2
N.C
120K/1% 120K/1%
RJ509 RJ509
OCS
OCS1
0 0
T501_P1 3
D
10
R523 R523
A10
30K/1% 30K/1% 12 T501_S2
A12
T501_P2 5 R529 R529
P-GND
7 OCS1
A7
56K/1% 56K/1%
T501_P3 6
FB
B
C
CY507 CY507 470pF/250VAC 470pF/250VAC
HV
Alternative
CY506 CY506 NA NA
Alternative
T501 T501
C551 1000pF/1KV C551 1000pF/1KV
R551 R551
ER28 ER28
1 8
HV
VDD A8
ZD501 ZD501
4.3/2W 4.3/2W
9 T501_S3
A9 SF20A300HPI/20A/300V SF20A300HPI/20A/300V
P6KE160A P6KE160A 1
D551 D551
2
2
N.C
3
T501_P1 3 11 T501_S2
D A11
D501 D501 12
+ +
A12 CE551 CE551
C552 C552
FR207/2A/1000V FR207/2A/1000V
820uF/50V 820uF/50V
0.1uF/50V/X7R 0.1uF/50V/X7R
7
A7
T501_P2 5
P-GND
T501_P3 6
FB
R552 R552
R512 R512
1K 1K
51K 51K
R553 R553
R513 R513
ZD502 ZD502
20K/1% 20K/1% 2.2K 2.2K
U502 U502
LTV-817S-B LTV-817S-B C554 470pF/50V/NP0 C554 470pF/50V/NP0
NC NC
R554 R554 10K 10K C555 C555
Q501 Q501 0.1uF/50V/X7R 0.1uF/50V/X7R
CPP option
C515 C515
R555 R555
U503 U503
10pF/1KV 10pF/1KV 1
6.2K/1% 6.2K/1%
AS431 AS431
R558 R558
R525 R525
100K 100K
Vcc
1K 1K
U504 U504
C556 C556
R559 R559
LTV-817S-B LTV-817S-B 0.1uF/50V/X7R 0.1uF/50V/X7R 4.7K 4.7K
3DG3904M 3DG3904M
Alternative
Q502 Q502
R544 4.7K R544 4.7K
V_1
R527 R527
C527 C527 P
20K 20K
0.1uF/50V/X7R 0.1uF/50V/X7R
R560 R560
100K 100K
R528 R528
Vcc
1K 1K
U505 U505
C561 C561
R561 R561
3DG3904M 3DG3904M LTV-817S-B LTV-817S-B
0.1uF/50V/X7R 0.1uF/50V/X7R 4.7K 4.7K
Q503 Q503
R530 4.7K R530 4.7K
V_2
Alternative
R531 R531
P
C531 C531 20K 20K
0.1uF/50V/X7R 0.1uF/50V/X7R
C
8-6
D E
CON502 CON502
4PIN/2.0mm/170mm 4PIN/2.0mm/170mm
1
1:+33V
1
2 2:+33V
2
3
3:GND
3
LIF551 LIF551 4 4:GND
4
CE552 CE552
+ +
CON503 CON503
C553 C553 6PIN/2.0mm/100mm 6PIN/2.0mm/100mm
820uF/50V 820uF/50V
1
1: 33V_Main
0.1uF/50V/X7R 0.1uF/50V/X7R 1
2
250uH 250uH
2 2: GND
R557 R557
3
3: P_CON
3
4
47K/1% 47K/1%
4 4: Fset_A
P_CON 5
5
5: Fset_B
6
6 6: GND
P
R556 R556
10K/1% 10K/1%
3DG3904M 3DG3904M
Q555 Q555
1K 1K
P_CON
R563 R563
R562 R562
C562 C562
4.7K 4.7K
0.01uF/50V/X7R 0.01uF/50V/X7R
D E
1
2
3
4