Dg-Board (4 Of 14) Schematic Diagram - Panasonic TH-50PZ77U Service Manual

TH-50PZ77U

15.20. DG-Board (4 of 14) Schematic Diagram

DG-BOARD TNPA4415ABS (4/14)
!
POWER SUPPLY
DTV9V
L5610 L5612
G1C1R0MA0072 G1C470MA0077
1 5
2
3 4
C5660
16V
10u
IC5605
C0DBAJB00004
BT30V
PEAKS-LITE2 RESET
SUB3.3V
DTV9V
R5747 R5748
5.6k 47k
C5767
16V
0.01u Vout
GND OUT
Vdd
NC Cd
IC5704
C5765
10V
0.047u C0EBM0000026
RESET IC
C5614
10V
0.1u
C5644
10V
0.1u
IC5602
C0EBF0000335
STB RESET
C5613
6.3V
1u
STB5V
STB3.3V
R5648
10k
to(6/14)
Q5604
AG_ODU_DET/KEY3
2SB0709A0L
R5650
56k
C5652
R5652 R5651
50V AG_KEY3
100k 56k
1000p
to(5/14)
TH-50PZ77U
DG-Board (4 of 14) Schematic Diagram
28 29
PEAKS-LITE2 POWER
BT30V
L5611
D5610 G1C100MA0072
MA3X78900L
R5653
C5654
82k
50V
4700p
Q5605
B1CFNG000001 C5655
D5611
35V
22u B0BC03900015
C5656 C5661 C5662
50V 50V 50V
0.01u 0.47u 0.47u
R5654
16.2k
MAZ80560LL
R5762
100
XRST
to(1/14)
C5766
16V AG_DTV_XRST
0.01u
to(3/14)(6/14)
C5657
10V
2.2u
STB5V
L5609
J0JHC0000078
STB3.3V
TP5604
L5608 D5609
B0HCMM000014
J0JHC0000078
C5646 C5647
6.3V 4V
100u
1u
R5640
47k Vo Vin
C5650
6.3V
1u
TP5603 IC5604 GND
Nr ON/OFF
STB_RST
C0CBCBD00043
STB 3.3V C5648
16V
0.01u
C5649
6.3V
1u
R5638
1k
R1356
100
STB_RST
to(3/14)(5/14)(6/14)
D1120 R1126
MA2J72800L 100
IC1108
R1110 R1111 R1112
C0EBF0000354
10k 470k 470k
SW RESET
R1343
560
D1111
CD
MA2J11100L
C1194 2 VDD 3 C1197
6.3V 50V
10u 100p
OUT
D1112 D1113
1 VSS 4
MA2J11100L MA2J11100L C1193
6.3V
10u
30 31
R5622
100k
1 30
C5617
RT OVP
16V
1u
C5616 2 29
CS1 CUVP
10V
C5624 0.047u
R5630 3 28
50V VO1 PGOOD
47.5k
220p
4 27
FB1 CB1
R5632
30k 5 26 R5625 0
REFIN1 OUT1-1
R5623
47k
6 25
ILIM1 LX1
R5626 0
7 24
-INC1 OUT1-2
8 23
-INC2 VCC
9 22
ILIM2 PGND
R5621
10 21
27k FSW VB
11 20
FB2 OUT2-2
R5631
36k 12 19
VO2 LX2
C5621 13 18
25V
CS2 OUT2-1
0.01u
14 17
GND CB2
C5625
25V 15 16
VREF CTL
0.01u
DC-DC CONVERTER
9V->1.2V,9V->1.8V
DTV9V
R5635
22k
R5620
68
C5658
R5636
25V
68k
0.01u
D5612 R5659
10k
R5660
Q5606
10k
2SD0601A0L
R5661
R5657
47k
2.2k
Q5607
1 24
2SD0601A0L GND FB
C5603
R5658 25V
2 23
47k 0.01u
REFIN VO
VREF(2.5V)
3 22
VREF RT
C5604
25V
4 21
0.01u CS CB
R5606
C5606 0
50V 5 20
COVP OUT-1
470p
C5601
16V C5600 6 19
16V CUVP LX
0.1u R5602
1u R5610
100k 0
7 18
PGOOD VBIN
R5600
68
8 17
CTL VCC
9 16
LSAT VB
C5643
CTL
10 15 16V 0.1u
ILIM OUT-2
R5611 11 14
+INC PGND
47k
12 13
-INC FSW
R5612
16k
DC-DC CONVERTER
9V->3.3V
Genx4
SUB5V Q5608
R5671 R5672 to(5/14)(6/14)
2SB0709A0L
2.2k 220
AG_SOS
D5614
R5673 MA2J11100L
R5669
6.8k
22k
BT30V
R5670
220 D5613
R5674
MA2J11100L
6.8k
32 33
88
L5604
G1C100MA0077
C5619 C5630
10V 16V
10u 47u
C5626
16V C5610
0.1u 16V
SUB1.8V
47u
L5601 TP5602
G1C2R2ZA0083
D5607
C5629
SP8K2TB MAZ802400L
4V
68u
Q5601
B1MBEDA00015
C5620
25V
0.1u
C5628
R5627 0 D5602
4V
TP5601 SUB1.2V
MA22D3900L 68u
L5600 C5641
R5628 0 G1C2R2ZA0083 16V
0.1u
D5608
C5622
MAZ802400L
10V
Q5602
4.7u
B1MBEDA00015
C5627
16V
0.1u
C5618
10V
10u
L5606
G1C100MA0077
C5615 C5609
10V 16V
10u 47u
C5605
D5606 10V
B0JCDD000002 4.7u
Q5600
B1MBEDA00015
C5608
16V
0.1u
TP5600 SUB3.3V
Vo(3.3V)
L5602
G1C3R3ZA0083 C5602
C5607 4V
R5604
50V 68u
47k 220p
R5605
R5607
12.7k
0
D5605
MA22D3900L
TH-50PZ77U
DG-Board (4 of 14) Schematic Diagram
34 35
DTV9V
L5605
J0JHC0000075
C5631 C5632
16V 16V
47u 1u
36