Panasonic TH-50PX80UA Service Manual page 49

11.13. A-Board (4/15) Schematic Diagram
A-BOARD TNPH0716AHS (4/15)
!
PEAKS-LITE2 POWER
R5630
47.5k
R5632
30k
R5623
47k
R5634
28k
R5633
R5621 36k
28k
R5631
36k
R5629
28k
F15V
R5635
22k
D5692 R5638
MAZ80560LL 10k
Q5603
2SD0601A0L
Q5604
R5644
2.2k 2SD0601A0L R5646
R5636
10k 68k
R5647
C5688 47k
R5641
10V
47k
2.2u
PEAKS-LITE2 RESET
F15V SUB3.3V
R5747
R5748
10k
12k
C5767
16V
0.01u
C5766
16V
0.01u
GND OUT
Vdd
IC3017
NC Cd
C0EBM0000026
C5765
10V
RESET
0.047u
TH-50PX80UA
A-Board (4/15) Schematic Diagram
28
29
POWER SUPPLY
R5637
0
R5622 SUB1.8V
TP5602
100k
R5614
VJUMP1608-P
1 30 C5617
RT OVP
10V
P C5626
1u
2 29 16V
CS1 CUVP 0.1u
C5624 C5616
50V 10V 0.047u 3 28 L5601
VO1 PGOOD
220p
G1C2R2Z00007
4 27
FB1 CB1
R5625
0
5 26 D5601 C5629
REFIN1 OUT1-1
MA22D3900L 4V
68u
6 25 Q5601
ILIM1 LX1
R5626 B1MBDDA00003
0
7 24
-INC1 OUT1-2
8 23
-INC2 VCC
C5620
9 22 25V 0.1u
D5602
ILIM2 PGND
MA22D3900L
R5616 10 21
VJUMP1005-P FSW VB
P R5627 C5628
0 4V
11 20
FB2 OUT2-2 68u
12 19
VO2 LX2
C5623 R5628
L5600
50V C5621 0
13 18 G1C2R2Z00007
470p 25V CS2 OUT2-1
0.01u
14 17
GND CB2
C5625 15 16
VREF CTL C5622
25V
0.01u 10V
Q5602
4.7u
C5627 B1MBDDA00003
IC5601
16V
0.1u
C0DBAYY00274
DC-DC CONVERTER
15V->1.2V,15V->1.8V
R5620
68
C5644
25V
L5606
0.01u
G1C100MA0203
C5642 C5615
25V 25V
IC5600 10u 10u
C0DBAYY00273
DC-DC CONVERTER
15V->3.3V
C5605
R5601
D5606
VJUMP1608-P 10V
B0JCDD000002
4.7u
1 24
C5603 GND FB
25V
0.01u 2 23
REFIN VO
3 22
VREF RT
C5604
C5601
25V 0.01u 4 21 Q5600
16V CS CB R5606 0
0.1u C5606 B1MBEDA00015 C5608
50V 470p 5 20 16V
COVP OUT-1
0.1u
C5600 C5607
10V 1u 6 19 50V
CUVP LX
220p
R5610 R5602
100k VJUMP1005-P
7 18
PGOOD VBIN L5602
P
G1C4R7Z00014
8 17
CTL VCC
R5600 R5604
68 9 16
47k
LSAT VB
C5643
D5605
10 15 25V 0.1u
MA22D3900L
ILIM OUT-2
R5607
R5605
0
R5611 11 14 12.7k
+INC PGND
47k
12 13
-INC FSW
R5612
36k
R5603
VJUMP1005-P
STB5V
D5616
R5665
MA2J72800L
STB3.3V
R5662 R5663
10k VJUMP1005-P
P
R5648
10k
R5666
470
Q5684
to (7/15)
to (1/15)
R5762 2SB0709A0L
100 R5650 D5614
XRST AG_ODU_DET/KEY3
56k MA2J11100L
R5651
C5652
R5652 56k
50V
100k
1000p
AG_DTV_XRST
to (3/15)(7/15)
to (1/15)
AG_KEY3
30 31
F15V
L5604 L5605
G1C100MA0203 J0JHC0000075
C5632
C5631 25V
25V 1u
47u
C5619 C5611
25V 25V
10u 10u
C5618 C5612
25V 25V
10u 10u
SUB1.2V
TP5601
C5641
16V
0.1u
SUB5V
Q5522
STB5V
TPS0S to (7/15)
2SB0709A0L R5537
1.5k
AG_SOS
C5522
R5535 R5538
16V
2.2k 2.2k
0.1u
R5536
4.7k R5540
470
C5521 BT30V
16V
R5188
0.1u D5521
470
MA3X152D0L
SUB3.3V SUB9V
TP5600 C5640 C5636 C5637 C5638
R5542
16V 16V 16V 16V
470
0.1u 0.1u 0.1u 0.1u
R5544
C5639 220
C5602
16V D5522
4V 0.1u
68u MA3X152D0L
STB_RST to (7/15)(9/15)(11/15)
100
R5667
100
R5664
1M
C5664
6.3V
10u
CD
D5613 2 VDD 3 C5667
MA2J11100L 50V
OUT 100p
D5615 1 VSS 4
C5663
MA2J11100L
6.3V
10u
IC5606
C0EBF0000354
STB RESET
32 33
49
IC5400
C0DBAYY00183
SUB 5V
R5400
C5405
R5404 100k
25V
VJUMP1005-P
0.1u
C5402 1 8
BS
25V
F15V 0.01u P SS
TP5400
2 VIN 7
EN
C5401
C5406
25V 25V
10u 0.1u
3 6
SW
COMP
D5400
C5400 C5404
B0JCME000037 R5402
25V
TP3504 TP3505 TP3526 10V 45.3k
4 GND 5 3900p
10u
FB
5V
L5401
C5408 R5401
D5571 G1C330M00027
10V 10k
10u D5401 R5403
B0BC6R600005
B0BC4R700007 10k
IC5401
C0DBAYY00183
SUB 9V R5405
C5417
R5409 100k
25V
VJUMP1005-P
0.1u
1 8
BS
F15V P SS
C5414
25V
F15V 0.01u
2 VIN 7
EN
C5418 C5413
25V
25V
0.1u
10u
3 SW 6
COMP
C5412 D5403
C5416
16V B0JCME000037 R5407
25V
TP3506 TP3507 TP3527 10u 4 5 88.7k
GND 4700p
FB
C5420 L5405
R5406
D5573 16V G1C330M00027
20k
B0BC01100001 10u D5404 R5408
B0BC4R700007 10k
SUB9V
TH-50PX80UA
A-Board (4/15) Schematic Diagram
34 35 36