A-Board (5/22) Schematic Diagram - Panasonic TC-P50G15 Service Manual

11.9. A-Board (5/22) Schematic Diagram

A-BOARD TXN/A1FFUUS (5/22)
!
VJ5800
P
C5858 1
16V
0.01u
2
3
R5858
30k 4
5
R5860 6
16k
7
C5870
8
R5859 16V
16k 1u
9
10
11
R5857
51k 12
C5860 C5854
R5855
50V 16V
GC6_3.3V 27k
220p 0.027u
R5861
5.6
R5335
68
DC-DC CONVERTER
15V->1.2V,15V->1.8V
TO
FAN A-D
SUB5V
A30
1
2
3
4
5
6
7
8
9
10
11
12
TP2027
GenX8_#68
TO 9/22 AG_FAN_SOS
TP2028
TO 9/22
AG_FAN_MAX
GenX8_#60
37 38
POWER SUPPLY
C5862
16V
24 0.1u C5855 C5853
CTL1 CB1 25V 25V
VJ5801 10u 10u
23
CS1 DRVH1
P TP5604
L5852
22 G1C3R3Z00004
FB1 LX1
VJ5802
21
VO1 DRVL1
P
C5865
Q5851
20 2.5V
ILIM1 VCC
68u
C5857 B1MBDDA00003
19 25V D5853
GND VB
0.1u
B0BC6R600005
18
CVBLPF PGND
VJ5803
17
CTL2 DRVL2
P
16
ILIM2 LX2
VJ5804
15
VO2 DRVH2 C5864
P GC6_1.8V
2.5V
TP5603
14 68u
FB2 CB2
13
CS2 TEST L5851
G1C2R2Z00007 D5854
B0BC6R600005
CH1=0.7V-310kHz C5859 C5863
CH2=1.2V-410kHz
10V 16V
Q5852
4.7u 0.1u
IC5851
B1MBDDA00003
C0DBAYY00480
SUB3.3V
SUB5V
R5324
47k L5302
J0JYC0000068
C5305
16V C5302 C5303
0.1u 16V 10V
0.1u 1u
ON/OFF VIN
VSS
NC VOUT
GC6_3.3V
TP5300
IC5300
C0CBCBD00062 C5301
10V
1u
GC6 3.3V
IC5740
C0DBAYY00462
D5745
MA2J11100L FAN CONT.
C5749 C5755
16V R5782 25V
0.01u 39 0.1u
1 8
BOOT
SS
F15V
D5746
MA2J11100L
2 VIN 7
EN
C5747 R5798
D5741
25V 1k
B0JCME000037
*D5747 10u 3 6
SW
MA2J11100L
COMP
C5746 C5748 C5756
R5785
R5681 R5682 10V 10V 25V
TP5740 14.3k
1k 1k 10u 10u 4 GND 5 3300p
FB
L5741 R5786
D5749
G1C220MA0291 R5783 5.6k
D5748 D5750 MAZ81100ML
1.37k
MA2J11100L MA2J11100L
R5797
470 R5796 *R5787
4.7k 442
VJ5740
P
D5751
MAZ80330HL
39 40
F15V
L5853 L5854
G1C100MA0203 J0JHC0000075
C5867
C5856 C5852 C5871
25V
25V 25V 25V
1u
10u 10u
47u
SOUND15V
GC6_1.2V
C5869
16V
0.1u
F15V
STB5V
TO 4,9/22
AG_TV_SUB_ON
STB3.3V
Q5522
B1ADCE000022
R5537
R5535 1k R5538
22k 10k
R5536 D5521
47k MA3X152D0L
C5521
16V
0.1u
D5522
MA3X152D0L
TO 9/22
MAIN_FAN_ON
TO 4,9/22
STB_RST
R5648 Q5684
10k
B1ADCE000022
TO 9/22 KEY3
R5650
56k
R5652 C5652
50V
100k R5651
1000p
56k
TO 7/22 AG_KEY3
41 42
51
TO
P-BOARD
A6
TP3520 TP3518 TP3519 (P6,P7)
1
+15V_S
R3570
0 2
+15V_S
3
TP3521 +15V_S
4
S_GND
5
S_GND
6
S_GND
7
F+15V
8
TP3522 TP3502 TP3503 F+15V
9
F+15V
PA5601
K5H5022A0031 10
GND
11
GND
12
TP3526 TP3500 TP3501 GND
13
TP3527
14
TP3528
15
TP3523
TPS0S
TO 9/22
AG_SOS IC5401
C5522
16V C0CBZZE00001
0.1u
SUB9V
F15V
R5540
470
1 OUTPUT 3
INPUT
C5418 C5420
25V 16V
F15V
1u COMMON 1u
BT30V TP5400
R5546 2
470
SUB9V
TP3508 TP3506 TP3507
R5542
470
D5573
B0BC01100001
SUB5V TP3504 TP3505
R5544
470
R5667
100
STB5V
D5616
R5665
MA2J72800L 100
R5662 R5664
STB3.3V
10k R5663 1M
C5664 C5667
10V 50V
10u
CD 100p
R5666 D5613 2 VDD
3
470 MA2J11100L
OUT
D5614 D5615 1 VSS 4
C5663
MA2J11100L MA2J11100L
10V
10u
IC5606
C0EBF0000354
STB RESET
43 44 45