Panasonic TH-42PA25U-P Service Manual page 290

41
42
44
TH-42PA20U
D-Board(3of11)Schematic Diagram
19 20
D-BOARD TXN/D10QCS (3/11)
TO
P-BOARD D25
L9953
ELKE103FA
(P25)
1
15V
1 3
2
C9953
2
15V
16V
47u
3
L9954
GND
ELKE103FA
4
GND
1 3
5V 2
5
5V
L9952
6
GND ELKE103FA
1 3
7
FAN_CONT 2
C9952
16V
8
STB7V 47u
L9951 C9709
STB5V_S
16V
ELKE103FA
47u
5V
TO
1 3
2
C9951 C9954
P-BOARD 16V
16V
(P27) 47u 0.1u
D27
RUSH_ON/OFF 1 AD_RUSH_ON/OFF
0
*R9951
2 AD_TV_ON/OFF
TV_ON/OFF
0
*R9952
M_POWER 3
4
STB5V
5
KILL_SOS
*R9954 AD_KILL_SOS
0
6
FAN_SOS
7
PS_SOS
*R9956 0 AD_PS_SOS
8
ALL_OFF1
*R9957 0 AD_ALL_OFF1
9
GND
R9973
0
21 22
UNREG15V
C9956
16V
0.1u
IC9951
IC9453
P5V
C0DBAMH00006
C0DBEZG00004
3.3V
C9955
3.3V->2.5V
0.1u
16V
(PQ1CY1032ZP)
3.3V
1%
L9955
3.3V R9964
R9481
R9480
1k
G1C470M00012 0
C9466 1k
C9465
D9952 4V
1%
16V
M1FS4 R9961 220u
0.1u
1.62k
B0JCME000025
D9953
MA3X152K0L
R9959
C9961 C9964
4.7k
4V 16V
C9957
C9959
R9960 120u 0.1u
16V
25V R9962
4.7k
4.7u 220u
1k
C9958 C9960
25V 16V
220u
0.1u
BA
23 24
IC9952
C0DBAFH00021
1.8V
1 16
GND GND
C9970
2 15
BOOST NC
0.1u
D9954
25V
3 14
B0JCME000025
VIN SYNC
4 13
VIN VC
C9969
C9968
16V
16V 5 12
SW FB
2.5V 4.7u
47u
R9971
0
6 11
SW SHDN
C9471 1.8V
R9969 Thermal
C9472
16V Pad
0
10u
0.1u
6.3V
7 10
L9956 NC NC
C9967 G1C1R5Z00002
C9966
4V 6.3V 1.5u
8 9
220u 10u
GND GND
D9955
B0JCPD000010
TO
D-BOARD
BB
(8/11)
TH-42PA20U D-Board(3of11)Schematic Diagram
25 26
C9965
16V
0.1u
R9966
0
R9998
10k
C9971
50V
2200p
71
BD
27