Power Supply 1 Schematic Diagram - Philips 32PFL3506/F7 Service Manual

Power Supply 1 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.
F601
AC601
4A/125V
AC CORD
R601
2.7M/1/2W
4A 125V
(NO CONNECTION) CN601
AC120V 2 R602
OPEN
AC120V 1
SA601
SURGE
4
ABSORBER
D621A D621B
WIRE 1ZB200-YBB
C601
0.22/300V
R605
2.2/5W
L601
LINE FILTER
R603
2.2/5W
C602
D602 D603
0.22/300V
1N5406-BU 1N5406-BU
L602
LINE
D601 D604
FILTER
1N5406-BU 1N5406-BU
C603 C604
OPEN OPEN
TO INVERTER
CBA CN1901 CN602
R604 C605
+B 1 D621 D613
2.7M 470
1ZB200-YBB FR104-B
/200V
HOT-GND 2 R607
2.7M
HOT+15V 3
3
R619 R618 D612
WIRE WIRE FR104-B
BC601
BEAD
Q602
KHB1D0N60D-RTF
SWITCHING
CONTROL
124.9 15.2
R620
OPEN
C610
D609
0.1
R621 27BSB-T26 100
OPEN /50V
D606 R625
R606
OPEN OPEN
47K
C608A C608
D608
1000P
1000P 27BSB-T26
/100V
15.2 15.2
R622
1.2K Q604
R627
R626
OPEN KTA1267 0.6
D619 15K 14.5
-GR-AT/P
SW
0 HOT+15V
0
0.7
BC602
Q603
2
0 R623 BEAD
KTC3198
10K
-GR-AT/P R624
10K
(SWITCHING)
D614
D607A
FR103-B/P
Q601 0
TK5A50D
159.4 D607
(SWITCHING)
G
11BSB
D622
2.8
S -T26
FR103-B/P
D
0.1
C606 C606A
D610
1500P 1500P C609
47/50V
/100V
C607
330P
R611
/2KV 4.7K
D616
27BSB-T26
R613
D615 D620
0.47 39BSB-T26 OPEN
/2W
BC603
R617
BEAD
100K
IC602
FA5571-ND1-TE1
R612
SWITCHIG
68
CONTROL
1
1.0 155.3
1 ZCD VH 8
0.6
C613
2 FB NU 7 D617 R610
33P
FR103-B/P 10
0.1 15.2
3 IS VCC 6
R609
C614
180
0 3.3
0.022
4 GND OUT 5
C611 D611
0.1 OPEN
C615
HOT
3300P
A
4A/125V
R253
6.8/1/2W
16.8
16.2
D631
SB2150BD
R247 R227
C631 R501
4.7 3.9
1000/25V OPEN
/1/2W /1/2W
C501
Q501
OPEN
OPEN
D635
24BSB-T26 (SW+13V)
JS201
OPEN
R502
OPEN
R254 R246
C691
OPEN OPEN
1000P/250V
D201
OPEN
D646
C692
SB360BH
OPEN
C644
3300/16V
D644
R651 D643 R410
C693
1 FR104-B 6V2BSB-T26 51K
1000P/250V
C637 C642
1500P/2KV 1/50V
C694
OPEN
C402
D638
OPEN
FR154
-2.0
Q402
C638 D639
KTC3198-Y-AT/P
T601 220/50V 1ZB43BB
(RESET)
POWER TRANS
35.2
9 11 D655
1N4005
D633
12 34.4
FR151-B/P
C633 R223
8 13
2200/6.3V 3.3k
D632
FR104-B
0.1
14
C632
7 15 220/25V
D647 0
SB140
5 16
C645
2200/6.3V
17
4
18
D641
SB390
3 19
D642
SB390
C639
1000/35V
R645 D649
OPEN OPEN
IC601
TLP781F JS631
D648 R639
C646A OPEN
ERROR WIRE 39K
2200P
VOLTAGE DET
R646
R644 R637
180
1.5K 3.3K
35.1
R648 R638
R668 C646
1K WIRE
10K 2200P/100V
34.1
D654 D650
34.1
WIRE OPEN
6.1
C650
0.022/100V D651
Q631 R652
5.5
OPEN
KTC3198 24K
Q634
-Y-AT/P KTC3199-GR-AT/P
C650A R653
R655 0
0.022 (FEED BACK) WIRE (SWITCHING)
27K
0.7
R661
0
D653 390
R649 R650
KIA431
2.7K 2.7K /1/2W
-AT/PF5
JS630
D652 D658
R662
5V6BSB-T26 3V3BSB-T26
15 R660
IC631
820
MM3123DPRE D652A
R663
0
(+3.3V REG.)
820
R664
R665
Q636 35.2
820
WIRE
2SA950-O 5.5
(SWITCHING)
1 2 3 3.7
5.5 Q635 D659A
2SC2120-Y 0
0 5.2 3.3
5.2 (+5V REG.)
6.0 D659
5V6BSA-T26
R667 R695 R666 R657
WIRE OPEN OPEN 1 D662
FR154
D661
D637 D407 R407
FR154
OPEN D660 10BSB-T26 22K
R696
R635 R636
D673 2.7/1W
3.9/ 3.9/
OPEN
1/2W 1/2W
R697
2.7/1W
C658
C648
C649 D664
100/10V 100/10V
0.1 4V7BSB-T26
C643
1
COLD
POWER SUPPLY CBA
B C
CAUTION ! : For continued protection against risk of fire,
replace only with same type 4 A, 125V fuse.
ATTENTION : Utiliser un fusible de rechange de même type de 4A, 125V.
R250
8.2/1W
13.2
Q213
2SA950-O
(SWITCHING)
16.2 12.9
Q209 C222
R232
2SC2120-Y 470/25V
11K D416 D403
13.5
(SW+13V) OPEN OPEN
R233
750
R228 D211 R231 C221 2.5
2.7K 1.5K 0.01
-0.5
Q401
R405
R229 0 KTC3198
47K
2.7K
D204 -Y-AT/P
R234
KIA431-AT/P
2.2K (SWITCHING)
R404
R403
D203 22K
47K
R411
30K
D401
4.4
R243
Q211
220 C224 R244 D210
0 KTC3198
10/50V OPEN 6V2BSB-T26
-Y-AT/P
D423
(SW-5V)
R240 -6.6
D208 47K
35.1 -6.0
Q207
Q210
KTA1267-GR-AT/P -6.7
KTC3198-Y-AT/P
R235
(SWITCHING)
(SW+31.5V)
330
R224 R241
22K 34.5 31.2
27K
D207
R225
31.6
22K
0.7
Q208
R226
KTC3198-Y-AT/P R238 R236
22K
1.5K 10
(SWITCHING)
D205
R239
C223
24BSC-T26
OPEN
R242 D209 22/50V
12K 39BSB-T26
D206
R237
8.2K
4.6 4.1
R672
Q637
WIRE
2SC4881F
C641
3.4
OPEN (SW+3.3V) R679
3.6K
R678
R677 C651
10
270 OPEN
6.9 6.8
Q638
6.1
KTA1267-GR-AT/P
R673 D666
R680
(SWITCHING)
22K KIA431-AT/P
10K
R674
1K
0.2
R675 D665
Q639
10K WIRE
KTC3199 0.7
-GR-AT/P
R676 R681 D667
C676
(SWITCHING)
0 47K OPEN OPEN
2.2/50V
R658
10K
R659
47K
C647
D657
OPEN 33BSB-T26
R687
10
13.4 9.0
Q642
C656
KTC3198-Y-AT/P
9.7 100/16V
R689
(SW+9V)
1.2K
R688
10
C640
1/50V
D670
C657
10BSB-T26
22/50V
D671
WIRE
R682
2.7
6.7 5.3
R683
Q640
C653
2.7
2SC2120-Y
R406 D418 220/10V
6.0
3V9BSB-T26 (SW+5V)
OPEN
D
10-3
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
CONTINUE
POWER 4
INV+13V
LCD+13V
P-ON+3.3V
LCD-5V
LCD+31.5V
CONTINUE
D404
POWER 4
C225
OPEN
AUDIO(R)-OUT
AUDIO(L)-OUT
R245
8.2K D406
CONTINUE
15BSB-T26
POWER 2
D405
AMP(R)-OUT
AMP(L)-OUT
R412
10K
TO DIGITAL MAIN
CBA UNIT CN3701
CN301
or CN3002
3.3
1 P-ON-H2
R654 2.6
2 AUDIO(L)-OUT
10K
R690 0
3 GND
OPEN
2.6
4 AUDIO(R)-OUT
3.3
5 PROTECT3
2.6
6 AMP(L)-OUT
C652
0
1000/6.3V 7 GND
2.6
8 AMP(R)-OUT
D414
3.2
9 P-ON-H1
3.1
D674 10 P-ON+3V
OPEN
2.5
11 PROTECT1
D411 0
C682 D417
12 GND
0.1 3V9BSB-T26
5.3
13 P-ON+5V
5.3
14 P-ON+5V
0.3
15 PROTECT2
6.9
16 P-ON+7V
0
17 GND
R699 R700 0
D676 18 GND
OPEN OPEN
WIRE
3.3
19 P-ON+3.3V
3.3
20 P-ON+3.3V
3.3
21 AL+3.3V
C683 3.3
22 AL+3.3V
0.1
C684
0
0.1
23 GND
0.6
24 OE2
D421
3.3
R401 R402 25 REMOTE
22K 22K
3.2
26 BACKLIGHT-SW
D413 27 NU
C681
1.1
0.1
28 BACKLIGHT-ADJ
0.8
29 VCOM-PWM
CONTINUE
POWER 4
R409
PROTECT3
100 D420
BACKLIGHT-SW
C403
BACKLIGHT-ADJ
10/50V
D419
VCOM-PWM
OE2
P-ON-H1
LCD-P-SAFETY
R408
10K D409
CONTINUE
POWER 4
REMOTE
P-ON+9V
D412
AL+3.3V
CONTINUE
D410
POWER 2
R701
2.2/2W
AL+3.3V
6.8 5.3 AL+13V
Q643
R698 PROTECT1
2SA950-O
OPEN
R692 R694
(SWITCHING) P-ON-H1
OPEN OPEN 6.5
R691 R693
OPEN OPEN
R702
2.2/2W
6.5 5.3
Q641
2SC2120-Y
C654
6.0 R641
CONTINUE
(SW+5V) 220/10V
1.1K
POWER 3
P-ON+3.3V
R642
R685
R686 10K P-ON+9V
22
1K
P-ON+5V
C655
D415 RESET
OPEN D645 R643
KIA431B-AT/P
10K CONTINUE
POWER 2
AL+33V
TUNER+5V
UNLESS OTHERWISE SPECIFIED:
DIODES ARE 1SS133.
E F
PL11.0SCP1