Philips 55PFL6900/F7 Service Manual page 111

Power Supply Schematic Diagram [TYPE E]
CAUTION !
Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F602) 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.
L602A
LINE FILTER
4 AC601
CN601 C641
AC CORD
470P
W
C604 R601 /250V C614
SA601
B 0.1 1.2M 1
VARISTOR
/310V /1/2W /310V
C640
F602
470P
2.5A/250V
/250V
BC601
OPEN
JB603
2.5A 250V
C1615
OPEN
C1612
0.22
/310V
R1624
0.033/5W
3
C1626
OPEN
BC1604
BEAD
C1613
OPEN
Q1602
325.0
TK7P60W
D
(SWITCHING)
G
30.0
R1601 R1617
R1612 S
0
750K 750K R1630
750K
OPEN
R1602 R1618
R1613
750K 750K
750K
R1604 R1619
R1614 C1622
750K 750K
750K
330P
/2KV
R1605 R1620 R1615
750K 750K 750K
R1645
51K C1623
C1607
330P
1200P IC1601
R1610
/2KV
10K UCC28063DR
(SWITCHING CONTROL)
6.0 1.4
1 ZCDB ZCDA 16
6.0 5.9
C1609
2 VSENSE VREF 15 R1626
10 39P
3.0 6.4
2 3 TSET GDA 14
C1603
R1606
5.9 0 0.22
120K
4 PHB GND 13
R1609
5.6K
1.0 15.4
5 COMP VCC 12
0 6.4
R1622
D1610 6 GND GDB 11
C1606 18K R1611
1000P 100
4.8 0
C1604
7 VINAC CS 10
2.2
5.2 0 C1601 R1653
8 HVSEN PWMCNTL 9
0.022 OPEN
R1607 C1605
6.2K 1200P
R1616
47K C1608
R1608 1000P
BC1603
R1621
36K
BEAD
6.8K
Q1601
TK7P60W C1614
OPEN
(SWITCHING)
R1625
10 325.0
D
G
30.0
S
R1629 0
OPEN
R1655 C1610
OPEN 39P
1
POWER SUPPLY CBA
A
2.5A 250V
L601A
LINE FILTER
D601 D604
1N5406BH 1N5406BH
C601
0.22
/310V C602
0.1
D602 D603
1N5406BH 1N5406BH /310V
R624
510K
R625
510K
R626
510K
BC602
R627
438.0
BEAD
Q601 39K
D
TK4P60DA
R623
(SWITCHING)
G 2.7K
17.0
C606 R606
S C625
1.5 22K
100P
2200P
/2KV
C616
47
D615
R617
R608 /25V
4.7K
R605 10
270
D609A
CES520
T1602 R618
D613A D613
TE2520A5001 0.18 KDZTR36B OPEN
/2W
1 8
R696
R609
0
R1623
820K
12K
R604
4 5 2.7K
IC601
FA5640N-C6-TE3
SWITCHING
CONTROL
C621
4.4 102.3 OPEN
1 ZCD VH 8
C610
R607 0.8
100P 2 FB NU 7
4.7K
R634 C622
2.8 19.3 270 1000P
3 IS VCC 6
C607
1000P
0 15.2 C611
4 GND OUT 5
0.1
D1603
R603 C608
R613 C620 D614
30PFB60
OPEN 150P
OPEN 33/35V PTZTE2527B
C1621
100
D1605 /400V
30PFB60
R804
10K
R1654
OPEN
T1601
TE2520A5001
1 8
4 5
Q1604
2SC5344SY
7.6
(SWITCHING) R1656
4.7
15.4 18.6
C1602 0
C1611 C1625 R1633
16.0
4.7
0.1 OPEN 2.7K
/50V
R1627
12K Q1607
R1637 2SA1576UBTLQ
R1634
47 (SWITCHING)
180
18.6 18.7
R1657 D1608 C1618
17.9
2.7K TFZVTR16B 10 R1639
10K R1638
18K
B C
CAUTION ! : For continued protection against risk of fire,
replace only with same type 2.5A, 250V fuse.
ATTENTION : Utiliser un fusible de rechange de même type de 2.5A, 250V.
HOT COLD
D607
1N5406BH
C642
470P/250V
D605
1N4005
D651
OPEN
D606
C605 T601
1N4005
33/400V POWER TRANS
D650
SB3200BR
R610
2 15
15K
C650
R630 R631 C665 C651
R611 1500P
R650
560K 560K 1500P 330/35V
15K
/630V 2.2
/630V
R614
3 14
15K
D664
RS1KJTD
4 13
D620 D619
OPEN OPEN
5 12
D656 D657
D620A D619A
RS1GJTD RS1GJTD RS1GJTD MM5Z4V3B
R652
6 11 C656
R651 R656
10K
1/50V
D621 1 8.2K
Q602 OPEN
TK3P50D R619 D658
0 SB3150BH
(SWITCHING)
7 10
S D D621A
D653
RS1GJTD
18.0 36.0 SB3150BH
R632
C615
G
1.2K
17.6 22/50V
D655
R636 SB3150BH
R635 R633
10 IC602
1.2K 1.2K
TLP785F C654 C655 C657
C612 D618
ERROR 470 470 470
1000P TFZVTR18B
VOLTAGE DET /25V /25V /25V
0.8 21.1
R654
R628 R655
D612
180
OPEN 180
TFZGTR27B
0 20.1
R657
D623
3.9K
MM5Z5V6B R659
C619 3.9K
0.8
R620
IC604 1000P/250V R675
47K Q603 R660
OPEN 0 68K
KTC3875S C660 R658 27K
0.1 2.7K
-Y-RTK/P
0 R674
(SWITCHING) 0
20.1
2.5
R629 C624
330K 2.2
TG801 SA801 D660
D661
0 R661
OPEN OPEN SNF431AS
3.3K
Q653
KTC3875S
-Y-RTK/P
(SWITCHING)
T802
POWER TRANS
321.0
C801 Q801
D
1/310V TK4P60DA
6 7
(SWITCHING)
G C1115 D1106
1/250v SB3150BH
328.0
5 8
D803 S
TFZGTR27B 318.0
D1105
C1116 C1120
SB3150BH 1/310V 1/310V
4 9
318.0
Q802
D
TK4P60DA
R806 10
C1117 C1121
(SWITCHING) D1104
10
G 1/310V 1/310V
SB3150BH
32.0
2 11
S
R808
D804
0 D1107
10K
TFZGTR27B
SB3150BH
1 12
C802 D1111
OPEN
R802 R801 D801
0.022
10 10 1SS400
/630V
D1110
OPEN
345.0
R803
Q803
680
0.5
2SA1037AK
T801
(SWITCHING)
POWER TRANS
318.0 R1105
330K
1
R1125 C1114
10 1/100V
C1110 C1102
10
0.1 0.1
2 D1112
R1101
EDZVT C1101
R805 D802
100K
2R15B 10/50V
10 1SS400
R1124 C1113
4
10 1/100V
C1103
6
0.1
D1113
R807
5
680 EDZVT R1104
8.0 C1109
2R15B 100K
0.01
Q804 R1102
2SA1037AK 33K
(SWITCHING)
R1103
68K
C1104
4700P
IC1602
C1105
TLP785F
1000P
(ISOLATOR) R692
330
0.1 1.2
C691
C1108
0.01
220P
0 0
C643
1000P/250V 0
0.7
Q691 R693
C803
0
47K
1000P/250V KTC3875S
-Y-RTK/P
(SWITCHING)
D
10-9
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
GP001 GP002 GP003 GP004
OPEN OPEN OPEN OPEN
D406
TO DIGITAL MAIN
CN501
C632 CBA UNIT CN3601
C652 D659
OPEN
330/35V PTZTE2524B
1 NU
0
2 PROTECT1(NU)
2.6
D405 3 PROTECT3
R653 3.3
4 RESET
22K
3.3
Q650 3.3
R703 C635
5 BACKLIGHT-SW
KTC3875S 10K OPEN
3.2
0 -Y-RTK/P
6 P-ON-H2
0 (RESET)
3.2
7 BACKLIGHT-ADJ
Q702
3.3
8 AL+3.3V
KTC3875S
0 0
-Y-RTK/P 0
Q654 C637 9 GND
0.7 (SWITCHING)
KTC3875S OPEN
0
-Y-RTK/P 0 10 GND
0 R704
R662 0
0 (RESET)
47K 11 GND
47K
0
C631
12 GND
OPEN
0
0 13 GND
Q701 R701
0
10K
KTC3875S 14 GND
-Y-RTK/P
12.8
0.6
15 AMP+13V
(SWITCHING) C701 R702
0
OPEN 47K 12.8
16 AMP+13V
12.8
17 AMP+13V
12.8
D654 R663 R664 R665 C639
18 AMP+13V
PTZTE2518B OPEN OPEN OPEN OPEN
0
19 GND
21.2
20 P-ON+21V
21.2
21 P-ON+21V
Q705
21.2
C638
OPEN 22 P-ON+21V
R666
OPEN
0 R756 R752 21.2
23 P-ON+21V
OPEN OPEN
R667
Q703
15K
R748
OPEN C636
OPEN
OPEN
R749 R750 R751 C728
OPEN OPEN OPEN R753 OPEN
C729 R755
OPEN
OPEN OPEN
C633
OPEN
0 R669
10K
0.7
C630
D715
OPEN
0 R668 OPEN R754 D716
47K OPEN OPEN
TO LCD PANEL
CN1101
ASSEMBLY
70.9
1 VLED1
0.7
R1113 R1132
2 ILED1
180K 180K
R1126 R1114 R1134
R1128
470K D1103 180K 180K D1109 0
TO LCD PANEL
CN1102
ASSEMBLY
70.9
R1115 R1136
1 VLED2
R1127 6.2K 16K
0.7
470K
2 ILED2
3 VLED3
R1110 R1131
4 ILED3
180K 180K
R1111 R1133
TO LCD PANEL
D1102 180K 180K CN1103
D1108 ASSEMBLY
70.9
1 VLED4
R1112 R1135
R1116 0.7
1K 6.2K 16K 2 ILED4
R1119
0.56/2W
R1137
IC1101 OPEN
BD9412F-GE2
R1138
LED BACKLIGHT
R1123 R1122 OPEN
DRIVER
100K OPEN
R1139
12.8 16.0
OPEN
1 VCC 18
R1140
3.3 15.3
2 STB DRIVE 17 OPEN
0 0 R1141
3 GND 16
OPEN
R1121
27K
1.5 2.6
R1142
4 OSC PWM2DC 15
OPEN
R1109
68K
2.9 0.2
5 14
PROTECT
C1112
0.1 R1120
0.5 0
6 13 OPEN
C1111
FEEDBACK
0.22
0.9 5.3
7 12
C1106 C1118
0.01 0.1
3.3 2.2
8 PWM LOGIC ADIM 11
R1117
12K
0 2.2
9 PWM 10
C1119
R1108
C1107 R1107 1000P
470K
0.1 1K
R1106 200K
D1101 OPEN
R691
0.7
R694 C693
Q692 10K
5.6K 0.22
0
KTC3875S
-Y-RTK/P
R695
(SWITCHING) 0
47K
UNLESS OTHERWISE SPECIFIED:
DIODES ARE 1SS400.
E F
PL15.16ESCP