Philips 32HFL5763D/F7 Service Manual page 43

Power Supply 1 Schematic Diagram
CAUTION !
Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F600) 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.
AC601
AC CORD
HOT CIRCUIT. BE CAREFUL.
4 AC INLET
CN601
2
1
R615
F600
1.2M/1/2W
4A/125V
SA600
SURGE
ABSORBER
4A 125V D613
1N5406-BU
C601
0.47/250V
L600
LINE FILTER
D610
1N5406-BU
C604
D604
0.47/250V
1N5406-BU
GT601 GT602
D605
OPEN OPEN
L601 1N5406-BU
LINE FILTER
3 C605
0.47/250V
L602
LINE FILTER
TO INVERTER
CN600
CBA CN1901
+B 1
C606
NU 2 C608
R617
390
OPEN Q600
220K R603
/200V
HOT-GND 3 KHB1D0N60D-RTF
47/2W
(SWITCHING)
R618
INV+20V 4
220K
155.9
R614
2.5
220K
D600A
UDZSNPTE
D601
-1730B OPEN
D600
Q605 OPEN
TK8A50D
96.8 D (SWITCHING) D601A
R602
UDZSNPTE-1733B
220K
G
2.8
S
0
2 Q606
C610
2SC2120-Y
1200P
SWITCHING
CONTROL
R621
2.8
1.2K
0.5
D614
27BSB-T26
0
C611
820P
/2KV
D614A
OPEN
D616
R622 D618 C612 R623
0.33 1ZB36BB 0.068 3.9K
/2W
R609
1.2M
Q602 R608
2SA1576UBTLQ 1.2M
(SWITCHING)
19.2 19.2
1 R606
47K
18.6
D602 D602A
13BSB-T26 OPEN
R607
15K
R612
R604
0
Q601 100K
10K
KTC3875S-Y-RTK/P
0.7
(SWITCHING)
0 R605
10K
A
4A 125V
D662
SB3A0BH
C664
470/25V
D612
1N5406-BU
D611
1N5406-BU
D690
RS1GJTB
R610
1.2M
R611
1.2M R625 R616
2.2/5W 2.2/5W
C607
220P/250V
D659
SB3A0BH
T600 D656
POWER TRANS SB3A0BH
D657
16
SB3A0BH
D658
SB3A0BH
2 15
R627 R626 C616 C617
D660
OPEN
68K 68K 2200P OPEN
/1W /1W /1KV 3 14
D623
D680
2.8
BC602 BEAD FR155-B/P 4 13
SK16-T/R
BC601 BEAD
12
BC600
D609 D608
C600 BEAD
FR104-B FR104-B
D674
0.1
6 11
SB3200BR
R600
R601 C603
WIRE
1.5M 100/50V
7 10
C609 R620 R619
0.047 120 120
8 9
D615A R744 D682
TFZGTR4.3B 1 SK16-T/R
C614
OPEN
D615
OPEN
C615
470P/250V
D617 D681
SB360BH
D650
R624
IC601
SB360BH
270
TLP781F(D4-FUNBLLF)
ERROR
VOLTAGE DET R735 R734
120 120
14.9 23.6
C613
R736
1500P
10K
0.5 22.6
D691A D673A
OPEN OPEN
D691 D673
WIRE 5V6BSB-T26
IC600
TLP781F(D4-FUNBLLF)
R613 (ISOLATOR) R674
10K 1K
3.0 4.5
1 4
Q603 R669
10K
KTC3875S 2.0 4.2
2 3
-Y-RTK/P
(SWITCHING) R668
2.0
100K
0.8
2.0
Q604
0.6 0.6
KTC3875S-Y-RTK/P
D661
(SWITCHING)
WIRE
0
D603A D603 C662 C663
HOT COLD
OPEN WIRE 0.1 10/50V
B C
CAUTION ! : For continued protection against risk of fire,
replace only with same type 4A, 125V fuse.
ATTENTION : Utiliser un fusible de rechange de même type de 4A, 125V.
POWER SUPPLY CBA
Q701
R755 R754
OPEN
OPEN OPEN
R650 R675
5.6 5.6
/1/2W /1/2W
13.5 12.8
Q650 C653
D694 D694A C655
2SC2120-Y
1ZB18BB OPEN 470/25V OPEN
13.5
(SW+13V)
R676
D654
100K
R659 C654
1.5K 0.01
R658 R660
D653
3.9K 3.9K
KIA431-AT/P
D655 R719
150
C699 R752
100/50V 39K
R722
37.4
37.3 D669 680
Q665
2SA1576UBTLQ
36.7
R721
(SWITCHING)
47K
R715
R716
22K 39K
Q668
KTC3875S
0
-Y-RTK/P
0.6
Q666
(SW-5V)
KTC3875S-Y-RTK/P R723
R718 D670 47K
(SWITCHING) 0
22K
R717
22K
D678 R724
OPEN 22K
C657 C658 C659 C656
2200/25V 2200/25V 2200/25V 2200/25V
C694 R725
100/25V 12K
C692
OPEN
R732
C691 D651 D651A S
D
15K
1000/35V 1ZB30BB OPEN
12.3 12.3
Q651
G
TK40P04M1
21.5
(SW+12V)
R677
470K
D683 R739 3.3
5V6BSB-T26 24K
-3.1
C665
Q672 470P
C696 0
D683A
KTC3875S D692
1/50V OPEN
-Y-RTK/P WIRE
(RESET)
R664
R740 100K
47K
C695 C650
3300/10V 3300/10V
R666 R742
3.3K 0
R743
C697 R667 R741
13K
0.1 2.7K 18K
Q670
C682
KTC3875S-Y-RTK/P
10/50V
22.6
(SWITCHING)
2.5
18.9
IC650
0 R745
5.3
0 KIA431-AT/P 3.3K
0
R733
SHUNT
47K
REGULATOR
4.7
R707
22K
R673
3.9K
3.3
Q655
0
KTC3875S-Y-RTK/P
0
(RESET)
R672
0.7
0
3.9K
Q673
0
R670 0
KTC3875S-Y-RTK/P
2.7K Q654
0.7
(SWITCHING)
KTC3875S-Y-RTK/P
(SWITCHING)
R671
0
100K
D
11-3
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
R653
6.8K
C689
R655 R654 R728
R713
9.1K 1.8K 8.2K OPEN
56K
R656
0
R714
6.8K
Q669
R657
KTC3875S
2.2K
-Y-RTK/P
(SWITCHING)
Q667
R731
KTC3875S-Y-RTK/P
39K
-0.4
(SW+31.5V)
R730
35.5 32.5 R727 D671 D671A 0
47K
R729
15K 5V1BSB-T26 OPEN
47K
33.2
R720
WIRE
D687A D687
D667 D667A
C687 OPEN 9V1BSB-T26
33BSB-T26 OPEN
22/50V
D686
D668
R691
R726 D664 D664A
1.5K
270 OPEN TFZGTR5.6B
-9.2
C688
-8.5 2.2/50V
-9.2
C651
0.1
R651 D688
10/2W 23.7 4.6 SB140
Q674
R652
2SC4881F
10/2W
5.1
(SW+4.3V) D677
R756 R757 10BSB-T26
470 8.2K
R751 R748 R749 R759 R750 C702
220 220 220 WIRE 220 0.1
D677A
OPEN
IC653 5.1
R665 KIA431-AT/P 2.5
22K
SHUNT
0 R758
REGULATOR
10K
23.7
R661
39K D676 D689
23.0
SB360BH SB360BH
23.7
Q652
2SA1576UBTLQ
(SWITCHING)
IC652
PQ200WNA1ZPH
(+3.3V REG.) 0
Q653
0.6
KTC3875S
-Y-RTK/P
0 R663
(SWITCHING)
1 2 3 4 5 22K
5.3 4.3 3.3 2.6 0
C681 C683 R704 C690
0.1 1 330 100/10V
R711
R706
240
4.7K
5.3
Q663
C685
R705 C684
2SA1576UBTLQ R712
0.1
47K OPEN
2.2K
(SWITCHING)
R710
0
R708
10K
0.7
10K
Q664
C686
0 R709
KTC3875S-Y-RTK/P
3.3/50V
47K
R746
(SWITCHING)
10K
R747
47K
E
CONTINUE
POWER 2
LCD-5V
LCD+13V
LCD+31.5V
P-ON+3.3V
D696
D652
CONTINUE
OPEN
POWER 2
BACKLIGHT-ADJ
D695
BACKLIGHT-SW
D663 D663A
D672
OPEN TFZGTR5.6B
PROTECT3
OPEN
LCD-P-SAFETY
JS653
VCOM
JS652 OE2
OPEN
P-ON-H1
3.3
TO DIGITAL MAIN
CBA UNIT
CN651
CN3601 & CN3602
1.2
20 VCOM-PWM
3.1
19 BACKLIGHT-SW
1.0
18 BACKLIGHT-ADJ
3.1
17 PROTECT3
3.3
16 PROTECT1
3.2
15 P-ON-H1
3.3
14 P-ON-H2
3.3
13 RESET
0.4
12 OE2
0
11 GND
0
10 GND
4.9
9 AL+4.3V
0
8 GND
C693
0.1 4.9
7 AL+4.3V
12.3
6 P-ON+12V
12.3
5 P-ON+12V
D679
12.3
C652
4 P-ON+12V
0.1
0
3 GND
24.1
2 AMP+24V
0
1 GND
R738
3.3
22K
0
Q671
R737
0
22K KTC3875S
-Y-RTK/P
(SWITCHING)
D675 D675A C698
OPEN OPEN 100/10V
D684
R662
22K
D685
C701
OPEN
C700
OPEN
UNLESS OTHERWISE SPECIFIED:
DIODES ARE 1SS133.
F G
A17FYSCP1