Panasonic TH-46PZ81FV Service Manual page 49

11.9. A-Board (5/12) Schematic Diagram
A-BOARD (5/12)
!
R5614
1
RT OVP
C5624
R5630 C5616 2
50V CS1 CUVP
47.5k
10V 0.047u
220p
1% 3
VO1 PGOOD
R5632
30k
4
1% FB1 CB1
5
R5623 REFIN1 OUT1-1
28k
1% 6
ILIM1 LX1
1%
R5634 7
-INC1 OUT1-2
36k
8
-INC2 VCC
R5633 9
ILIM2 PGND
47k
1% R5616
R5621 10
36k 1% FSW VB
1% 11
FB2 OUT2-2
R5631
12
36k VO2 LX2
C5623
R5629 50V C5621 13
CS2 OUT2-1
28k 470p
25V 0.01u
1%
14
GND CB2
C5625 15
VREF CTL
25V 0.01u
SUB1.2V/1.8V
F15V
R5635
R5620
22k
68
C5658
R5636 0.01u
68k 25V
D5612 R5659
MAZ80560LL 10k
R5646
Q5606
10k
R5657 2SD0601A0L
2.2k Q5607
2SD0601A0L
R5647
C5657 47k
R5658
10V C5603
47k
2.2u
VREF(2.5V)
C5601
16V
0.1u
R5600
R5610
68
PGOOD
CTL
R5611
47k
1%
R5612
36k
1%
TH-46PZ81FV
A-Board (5/12) Schematic Diagram
37 38
R5619 R5622
0
100k
C5626
C5620
25V 16V
0.1u
0.1u
30
29 C5617
10V 1u
28
27
26 R5625
0
25 Q5601
B1MBDDA00003
24 R5626
0
23
D5603
B0JCDD000002
22
21
D5604
20 R5627 B0JCDD000002
0
19
18 R5628
0
17
16
Q5602
C5627
B1MBEDA00015
16V
0.1u
C5622
10V
4.7u
C5642 C5615
25V 25V
10u
10u
R5601
D5606
B0JCDD000002
SUB3.3V
1 24
GND FB
2 23
REFIN VO
25V 0.01u
3 22
VREF RT
C5604 4 21 Q5600
CS CB R5606
25V 0.01u C5608
B1MBEDA00015
0 16V
C5606 5 20
COVP OUT-1
0.1u
50V 470p
C5600 6 19
CUVP LX L5602
1u
10V R5602
G1C4R7Z00014
7 18
PGOOD VBIN
100k 8 17
CTL VCC
9 16
LSAT VB
10 15 R5607
ILIM OUT-2 D5605
0
MA22D3900L
11 14
+INC PGND
12 13 C5643
-INC FSW
25V 0.1u
R5603
39 40
F15V
SUB3.3V
R5660
10k
8.04V
R5662
47k
C5661
R5661 TO 2/12
25V
12k 0.01u TP5660 R5763
100
XRST XRST
0V
IC5660
GND OUT
Vdd
C0EBM0000026 C5663
25V
NC Cd 0.01u
RESET
TO 4/12
R5664
0
C5662
AA_XRST
10V
0.047u
TO 6/12
R5702
2.2k
AG_DTV_XRST
F15V
PA5600
L5604 L5605 K5H5022A0023
G1C100MA0203 J0JHC0000075 <
C5611 C5699
25V 25V C5696 C5697
10u 10u 25V 25V
47u 1u
C5700
C5612
25V 25V
10u 10u
L5601 SUB1.8V
G1C3R3Z00004 TP5602
C5629 D5607
D5601
4V B0BC4R000002
MA22D3900L
68u
C5628
D5602
4V
MA22D3900L
68u SUB1.2V
L5600 TP5601
G1C3R3Z00005
C5641
D5608
B0BC4R000002 16V
0.1u
TO K-BOARD
(K1)
K1KA06A00508
L5606
G1C100MA0077
RMIN
GND
STB3.3V
ACTIVE_STBY_LED_ON
G_LED_ON
C5605 R_LED_ON
10V
4.7u
SUB3.3V
TP5600
Vo(3.3V)
TO K-BOARD
C5640 C5636 C5637 C5638 C5639
R5604 C5607 C5602 D5600 16V 16V 16V 16V 16V (K1)
50V 4V B0BC4R000002 0.1u 0.1u 0.1u 0.1u
47k 0.1u
68u
1% 220p
K1KA03A00632
R5605
12.7k
1% SUB5V
GND
AI_SENSOR
41 42
49
SUB5V MAIN5V R5698 MAIN5V
0
L5690
R5699
J0JYC0000068
0
C5704
50V
100p
SUB3.3V
MAIN3.3V
Q5693
L5691 MAIN3.3V
J0JYC0000068 B1DHDC000028
C5695 C5703
D5691
C5691
6.3V 50V
B0BC6R600005 R5697
6.3V 47u 100p
R5695 10k
47u
1k
R5691
10k
Q5691
2SD0601A0L
R5693 From GenX4
47k
TO 6, 10/12
AG_TV_MAIN_ON
TP5700 DTV9V
SUB5V
TP5701
TP5705 SUB3.3V
TP5706 MAIN9V
TP5702 STB5V
GenX4
TO 6/12
TP5608 TP5603 L5735
J0JYC0000068
A1 AG_RMIN
AG_RMIN
1
STB3.3V
2
TP5606
L5610
J0JHC0000035
3
TP5607
4
FL5732
5
G J0HABH000013 AG_ON_TIMER_LED_ON/ACTIVE_STB_LED_ON
AG_ON_TIMER_LED_ON/ACTIVE_STB_LED_ON
6 G
TP5604
FL5734
G J0HABH000013 NET005936
AG_G_LED_ON
G
TP5605
FL5733
G J0HABH000013 NET005937
AG_R_LED_ON
G
SUB5V
A2
L5611
J0JHC0000035
1
2
3
R5732
FL5731
27k
G J0HABH000013
AG_AI_SENSOR
G
C5730
C5731
R5733 25V
6.3V
56k
0.01u 47u
43 44
TH-46PZ81FV
A-Board (5/12) Schematic Diagram
45