Philips PL22.06 Service Manual page 39

Power Supply Schematic Diagram
CAUTION !
Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F601) is blown , check to see that all components in the power supply
circuit are not defective before you connect the AC plug to the AC power supply.
Otherwise it may cause some components in the power supply circuit to fail.
HOT CIRCUIT. BE CAREFUL.
4
4A 250V
L601
F601
BC609 TH601
LINE
4A/250V
BEAD THERMISTOR
FILTER
BC602
BEAD
AC601
CN601
AC CORD
C604
B
R601
SA601 0.47
1.2M
VARISTOR C614
W /275V
/1/2W
0.22
BC610
/275V
BEAD
BC603
BEAD
C624 C618
BC611
470P 470P
OPEN
/250V /250V
HEAT SINK
GP001
R641
EARTH PLATE
47
3 GP003
C670
EARTH PLATE
47P
C999
10/16V
R614
100K
C605 C613 C611 C629
R616
270 270 270 2200P
100K
/250V /250V /250V /2KV
BC601
BEAD
390.0 Q601
TK10A60W
D
(SWITCHING)
BC607 BC606
G
BEAD BEAD
20.3
R602
S
C607
10
0.2 OPEN
C606 R612
R609 R610
220P 22K
R606 47 47
/2KV 180
2 D609
RB520SM-30
D608
R611 R618 SMFZ36V-RTK
0.18 0.18
/2W /2W
R603
1K R624
330K
IC601
FA5640N-C6-TE3
R628 SWITCHING
33K
CONTROL
6.4 170.0
1 ZCD VH 8
R629 C622 3.2
2 FB NU 7
11K 100P
0.3 18.0
3 IS VCC 6
0 22.3
4 GND OUT 5
R631
470K
C610 C608
0.01 220P
R632
R636
470K
22K
R633
470K
1
D613
C631
MM5Z5V6B
2200P
R634
33K
C632 R637
0.1 47K
R635
2.0
5.6K
IC604
2.6
AS431BNTR
0
-E1
SHUNT
REGULATOR
A
4A 250V
C757
BC751
220P
BEAD
/2KV
C755
220P
/2KV
D751
MUR460GBRV
D601 D604
1N5406BRV 1N5406BRV
BC608
D602 D603
BEAD
1N5406BRV 1N5406BRV
D607 D605
1N4005FB 1N4005FB C617
1000P/250V
C630
0.1
/275V
C619
1000P/250V
T601 D653
SB3A0BRV
POWER TRANS
1 12
R613
C609
100K
2200P
R615 /2KV 11
100K 2
D606
10
RS1JJTD
3 D655
SB3A0BRV
9
5
8
BC651
D651
BEAD
SB3A0BRV
6 7
R621
3.3K
R622
3.3K
IC602
EL817M
R623
ERROR
3.3K
VOLTAGE DET
3.2 13.5
0 12.5
D662
1SS400ST
C602
1000P/250V
D616
RS1GJTD
R617 IC660
270
AS431BNTR-E1
SHUNT
C612 C616
REGULATOR
0.1 47/25V
C676 R662
1000P 270
12.1
IC661
R638
Q604
AS431BNTR-E1 1.3
18K
MMBTSC3875G
IC603
SHUNT
(SWITCHING) 3.2
0
EL817M REGULATOR
0 (ISOLATOR)
18.5 13.3
R639 1 4
0
47K
R656
47K
17.7 0.3
2 3
17.7
R640
47K Q603
0
MMBTSC3875G
(SWITCHING)
0
HOT COLD
B C
CAUTION ! : For continued protection against risk of fire,
replace only with same type 4A, 250V fuse.
ATTENTION : Utiliser un fusible de rechange de même type de 4A, 250V.
D752
TFZVTR27B
R760
D753
1
TFZVTR27B
C751 D754
TFZVTR27B
68
R790
/250V
OPEN
D755
TFZVTR27B
D756
TFZVTR27B
R764 D757
6.8K MM5Z36B
R763
47K
R765 R770
6.8K 220K
R766 R769
6.8K 220K
R767 R768
6.8K 220K
C653 C657
D658
1000 1000
OPEN
/16V /16V
C652
R670
1000
47K
/25V
C651 C658
R663
D677
1000 1000 47K
TFZVTR18B
/25V /25V
R683
560
R655 R654
220 220
R657
3.9K
C668
R659 R671
OPEN
56K 22K
C667
D661 1
1SS400ST
R660 R672
C666 8.2K 2.2K
D759
10
RB520SM-30
C660 R658
10 270
12.1 D758
RB520SM-30
1.3
0
C669 D660 R661
100P RB520SM-30 5.6K
R667 R666
1.5K 12K
R673
10K
5.7 Q653
MMBTSC3875G
0
0.3 Q660
(SWITCHING)
MMBTSC3875G
(RESET)
R664 C662 0.7
0
R669
47K 0.1 0 R668
2.2K
10K
D
10-3
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
POWER SUPPLY CBA
Q755
KTA2014/PA GR
(SW+13V)
13.7 13.7
R751 R752
C752
15K 1.5K
13.1
R761 1
10K R753
1.5K
R756 R754
15K 1.5K
0
R755
47K
0.7 Q756
12.4
MMBTSC3875G
(SWITCHING)
R762 0 Q754
0
10K MMBTSC3875G
LED
R758
0 0
47K BACKLIGHT
DRIVE
0.7 Q753
MMBTSC3875G
R772
36K
R759 R757 LED
0
47K 10K BACKLIGHT
CONTROL
R771
36K
Q757
KTA2014/PA GR
(SW+13V)
R773
2.2K
13.6 13.6
R779 C753
12.9 2.2K 0.022
R778
10K
R776
6.6
10
IC752
C754
R777
AZ431LBNTR-G1
OPEN
2.2K 1.3
SHUNT
0
R780 R781
REGULATOR
5.6 5.6
D760
MM5Z8V2B
R785 R786
5.6 5.6
D672 D671
MM5Z27B MM5Z27B
Q657
MMBTSC3875G
0
R687
(SWITCHING)
10K
0.7
0 R688
47K
C659
OPEN
E F
GP002
OPEN
TO LCD PANEL
CN1001
ASSEMBLY
153.0
1 VLED1
77.2
2 ILED1
77.2
3 VLED2
5.1
4 ILED2
Q752
AP05N20GH-HF
5.1
D
(SWITCHING)
G
12.4
R774
C756 S
10 4.8
0.01
Q751
AP18T10AGH-HF
4.8
D
(SWITCHING)
G
6.6
R775
S
82 1.3
R782 R783 R784
5.6 5.6 5.6
R787 R788 R789
5.6 5.6 5.6
CN652
SP652
1 SP(R)+
SPEAKER
2 SP(R)- R-CH
TO DIGITAL MAIN
CN651
CBA UNIT CN3601
12.5
27 SP(R)+
12.5
26 SP(R)-
12.5
25 SP(R)+
12.5
24 SP(R)-
0
23 GND
0
22 GND
21 PROTECT3(NU)
5.9
20 RESET
3.4
19 BACKLIGHT-SW
3.6
18 P-ON-H2
3.4
17 BACKLIGHT-ADJ
16 AL+3.3V(NU)
0
15 GND
0
14 GND
0
13 GND
0
12 GND
0
11 GND
0
10 GND
13.7
9 P-ON+13V
13.7
8 P-ON+13V
13.7
7 P-ON+13V
13.9
6 AMP+13V
13.9
5 AMP+13V
13.9
4 AMP+13V
18.5
3 P-ON+21V
18.5
2 P-ON+21V
18.5
1 P-ON+21V
G
PL22.06SCP