Pdp Fhp Supply (.2): Pre Conditioner (A5) - Philips LC4.9E Service Manual

Circuit Diagrams and PWB Layouts
PDP FHP Supply (.2): Pre Conditioner
1 2 3
PRECONDITIONER
A5
A
100-230VAC2
3
6600
B GBU8J
F601
4
1
2
100-230VAC1
C
D
COLD GROUND
E
MEASURED DC-VOLTAGES
NORMAL . . .
F
I647
STANDBY ( . . . )
G
I617
I663
I633
I615 3655
BC857BW
H
7654
1K0
I
HOT GROUND
3104 313 6128.2
1 2 3
LC4.9E AB 7.
4 5 6
5600
BS42228-02
PRECONDITIONER
I603
I605
6608
SS14
2612
7610
I634
STW26NM50
1n0 50V
2602
I607
I654 2n2 I606
3610
3606 BC369 3R3
7608
100R I601
2614
2n2
I655
I650
3662
RES
NFR25
1R0
I651
3663
I610 I631 I632 I611
2663
1u0 50V
1R0 NFR25
I637
I653
PRECONDITIONER
CONTROL
I652
I649
6602
3623
1K0 BZX384-C15
I621 7650
MC33368P
VCC
3652
I616 CONTROL
2
RD
LINE
1M0
3
FB
VREF
4
COMP
I618
GATE
5
MULT
FC
9
LEB
I619
NC1
6
CS
I620
NC2
7
ZCDET
AGND PGND
8 10
3667
10K
3693 I664 I665
2K2
7656
BC847BW
I666
4 5 6
44
7 8 9
F996
2611
220p 2000V
I604 6611 F600
BYV29X-500
I608 I614
2610 5601
1n8
I630
I609
6609
BZG03-C18
2677
3686
2n2 15R
I635
F604
7661
MC34063AD
8 DCOL SWC
S Q
I639
R
7 IS
SWE
IPK
TIMC
OSC
32V
I656
(0V) REFERENCE
6
VCC
REGULATOR
I612 6661 I613
I641
BYG22D
5 CIN_NEG GND
3668
1K0
F609
NFR25H
7602
BC857BW
I645
3616
I646 12K
F610
I644
7601
I643
BC847BW
16
I625
1
11
13 I623
3641
14
470R
15
7640
D
I624
G
S
BSN20
I667 F606
3692
10K 7655
BC847BW
I668
7 8 9
10 11 12 13
F997 3999 F998 F999
1K0
400V_HOT
F605
F608
SW25V_HOT
1
I640
5660
I638
2
220u
I642
3
BIAS
4
15V(1V8)
I627
3643
220R
3642
I659
220R
6640
SS14
I660
7642 I657
7641
BCP56
BC817-25W
I661
I658
I626
I629
5V
(0V)
I648 I662
H_16041_005.eps
10 11 12 13
2600 B3 3690 I7 I643 G7
2601 B2 3691 I7 I644 G8
2602 C6 3692 I7 I645 G8
A5
2603 C3 3693 I6 I646 G8
2604 C2 3999 A10 I647 F3
2605 C3 5600 A5 I648 H12
2608 H8 5601 B8 I649 G6
2610 B7 5612 B7 I650 E3
2611 B8 5660 E10 I651 E3
2612 B5 6600 B2 I652 G5
A
2613 C6 6601 F3 I653 F5
2614 C6 6602 G6 I654 C5
2616 C9 6605 A3 I655 C7
2617 C9 6606 A2 I656 E8
2640 H8 6608 B6 I657 G12
2642 G11 6609 C7 I658 H12
2651 H3 6611 B8 I659 G12
2653 H5 6640 G11 I660 G12
2654 H1 6641 H10 I661 G12
B 2655 H3 6642 H11 I662 H12
2656 H2 6643 H9 I663 G1
2660 E10 6651 H5 I664 I6
2661 F8 6652 H4 I665 I7
2662 F11 6653 H5 I666 I6
2663 E6 6654 G1 I667 I7
2664 E7 6660 F7 I668 I7
2665 H8 6661 E7
2666 H4 6663 E10
2670 H12 6665 E11
C
2671 H12 6666 H7
2672 H8 7601 G8
2673 G12 7602 F8
2674 G12 7608 C6
2675 G11 7610 B7
2676 G12 7640 H9
2677 C7 7641 G10
2690 I6 7642 G11
2691 I7 7650 G6
3104 H12 7654 H2
D
3601 D2 7655 I7
3602 D2 7656 I6
3603 E3 7661 D8
3604 E3 F600 B10
3605 F3 F601 B3
3606 C5 F602 D2
3607 F3 F604 C10
3608 C5 F605 D10
3609 D3 F606 I10
3610 C6 F608 D11
E
3611 C6 F609 F9
3612 H4 F610 G9
3613 G8 F996 A10
3614 C7 F997 A10
3615 C8 F998 A11
3616 G9 F999 A11
3617 G7 I601 C7
3618 G7 I602 D2
3619 F8 I603 B4
F
3620 C8 I604 B7
3621 C8 I605 B5
3622 C9 I606 C6
3623 G6 I607 C6
3639 H8 I608 B7
3640 H8 I609 C8
3641 H9 I610 E5
3642 G11 I611 E6
3643 F11 I612 E7
3651 H3 I613 E7
G
3652 G5 I614 B8
3654 G1 I615 H1
3655 H1 I616 G5
3656 H1 I617 G2
3659 G5 I618 H4
3660 F5 I619 H4
3661 F5 I620 H5
3662 E6 I621 G4
3663 E6 I622 G7
3664 H12 I623 H8
H
3665 F9 I624 H9
3666 H4 I625 G10
3667 H6 I626 H10
3668 F10 I627 F12
3669 H12 I628 G11
3671 H12 I629 H11
3673 F12 I630 C8
3675 E8 I631 E5
3676 F8 I632 E6
3677 F8 I633 H1
I
3678 F8 I634 B6
3679 F12 I635 C7
3680 G12 I636 H12
3681 G12 I637 F3
3682 H12 I638 E10
3683 G12 I639 D8
3684 G12 I640 E11
3685 H12 I641 E8
171007
3686 C7 I642 E10