A-Board (4 Of 12) Schematic Diagram - Panasonic TH-50PC77U Service Manual

15.15. A-Board (4 of 12) Schematic Diagram

A-BOARD TNPH0692AFS (4/12)
!
POWER SUPPLY
DTV9V
L5610 L5612
G1C1R0MA0072 G1C470MA0077
D5610
MA3X78900L
1 5
Q5605
B1CFNG000001
2
C5660
3 4
16V
10u
IC5605
C0DBAJB00004
BT30V
PEAKS-LITE2 RESET
SUB3.3V
DTV9V
R5749
47k
R5747 R5748
5.6k 47k
C5767
0.01u 16V
C5766
16V
0.01u
GND OUT
Vdd
NC Cd
IC5704
C5765 C0EBM0000026
10V
0.047u
RESET
TP5604
C5614
16V
0.1u R5640
C5644 47k
16V
0.1u
TP5603
STB_RST
IC5602
C0EBF0000335
STB RESET
R5638
1k
C5613
6.3V
1u
to(3/12)(5/12)(8/12) STB_RST
STB5V
D1120 R1126
MA2J72800L 100
R1110 R1111 R1112
STB3.3V
10k 470k 470k
R1343
560
D1111
MA2J11100L
R5648
10k
D1112 D1113
Q5604 MA2J11100L MA2J11100L
AG_ODU_DET/KEY3
to(8/12) 2SB0709A0L
R5650
56k
R5651
R5652
100k 56k
C5652
AG_KEY3
50V
1000p
to(5/12)
TH-50PX77U/PE77U
A-Board (4 of 12) Schematic Diagram
28 29
PEAKS-LITE2 POWER
BT30V
TP5605
L5611
G1C100MA0072
C5654
R5653
50V
82k
4700p
C5662 C5656
R5654 C5661 D5611
50V 50V 50V
16.2k B0BC03900015
0.47u 0.47u 0.01u
C5655
35V
22u
R5762
100
XRST
to(1/12)
AG_DTV_XRST
to(3/12)(8/12)
STB5V
L5609
J0JHC0000078
STB3.3V
L5608 D5609
B0HCMM000014
J0JHC0000078
C5650
R5647
SUB5V R5642 R5644 6.3V
C5647 1u 0
15 15 C5646
4V
6.3V
1u 100u
R5641 L5607
Vo Vin
220 J0JHC0000078
R5643
Q5603
15 GND
Nr ON/OFF
2SD0602ASL
C5645
C5648
R5646
0.1u 16V
1.91k
16V 0.01u
R5645 C5649
8.2k 6.3V
1u
IC5604
IC5603
C0CBCBD00043
AN1431M-E1
STB 3.3V
SHUT REG
R1356
100
IC1108
C0EBF0000354
SW_RESET
C1194
6.3V
10u
CD
2 3
VDD
OUT
1 4
VSS
C1193 C1197
6.3V 50V
10u 100p
30 31
R5622
100k
R5637
0
R5614
0
1 RT 30 C5617
OVP 16V C5626
1u 16V
C5616 2 29
CS1 0.1u
10V CUVP
C5624 0.047u
R5630
50V
47.5k 3 VO1 28
220p
PGOOD
4 FB1 27
CB1
R5632 R5625
0
30k 5 26
REFIN1
OUT1-1
R5623
47k
6 25
ILIM1
LX1 R5626
0
7 -INC1 24
R5634 OUT1-2 C5620
16k 0.1u
8 -INC2 23 25V
VCC
9 22
ILIM2
R5633 PGND
36k
R5621 10 21
27k R5616 FSW
0 VB
R5627 0
11 FB2 20
OUT2-2
R5631
36k 12 VO2 19
R5629 LX2
28k R5628 0
C5621 13 18
CS2
25V OUT2-1
0.01u
C5623 14 GND 17
50V
CB2
470p
C5625
15 VREF 16
25V
CTL
0.01u
C5627
IC5601
16V
0.1u
C0DBAYY00274 C5622
10V
DC-DC CONVERTER 4.7u
9V->1.2V,9V->1.8V
DTV9V
R5635
R5620
22k
68
C5658
R5636
25V
68k
0.01u
IC5600
D5612 R5659 C0DBAYY00273
MAZ80560LL 10k R5601
0
DC-DC CONVERTER
9V->3.3V
Q5606
R5657 VREF(2.5V)
2SD0601A0L
R5660
2.2k
10k
R5661
C5657 47k
R5658
10V
47k 1 GND 24
2.2u
C5603 FB
25V
2 REFIN 23
0.01u
Q5607 VO
3 22
2SD0601A0L VREF
RT
C5604
25V 0.01u 4 21
C5601 CS
CTL 16V CB
C5606 R5606
0.1u 470p
50V 5 COVP 20
0
OUT-1
C5600
16V 1u 6 CUVP 19
LX
7 18 R5602
PGOOD
VBIN 0
R5610
PGOOD 8 17
100k CTL
VCC
R5600
68 9 LSAT 16
VB
C5643
10 ILIM 15 16V 0.1u
OUT-2
R5607
11 14 0
R5611 +INC
47k PGND
12 -INC 13
FSW
R5612
16k
MAIN_5V
SUB5V
R4092
0
MAIN_3.3V
SUB3.3V
R4093
0
Genx4
SUB5V
Q5021
R5184 R5185
2SB0709A0L
2.2k 220
AG_SOS
D5025
R5186
MA2J11100L to (5/12)(8/12)
R5182 6.8k
22k
R5183 BT30V
220 D5024 R5188
MA2J11100L 6.8k
32 33
71
L5604
C5619 L5605 DTV9V
G1C100MA0077
10V J0JHC0000075
10u
C5630 C5632
C5631
16V 16V
16V
47u 1u
47u
R5608 R5609
0 0
C5610
16V
SUB1.8V
47u
TP5602
L5601
G1C2R2ZA0083
D5607
D5601 C5629
MAZ802400L
MA22D3900L 4V
68u
Q5601
B1MBEDA00015
D5602
MA22D3900L
C5628 SUB1.2V
4V
68u TP5601
L5600
C5641
G1C2R2ZA0083 16V
0.1u
D5608
MAZ802400L
Q5602
B1MBEDA00015
C5618
10V
10u
L5606
G1C100MA0077
C5615 C5609
10V 16V
10u 47u
D5606
B0JCDD000002
C5605
10V
4.7u
Q5600
B1MBEDA00015 C5608
16V
0.1u
SUB3.3V
L5602 TP5600
G1C3R3ZA0083
Vo(3.3V)
C5607 C5602 C5640 C5639
R5604
50V 4V 16V 16V
47k
220p 68u 0.1u 0.1u
C5636 C5638
D5605
16V 16V
MA22D3900L 0.1u
R5605 0.1u
12.7k C5637
16V
0.1u
R5603
0
DCDC_3.3V
MAIN5V
TP5607
TP5606 MAIN3.3V
TH-50PX77U/PE77U
A-Board (4 of 12) Schematic Diagram
34 35
TH-50PX77U / TH-50PE77U
36