Sn-Board (1/9) Schematic Diagram - Panasonic TX-P42C2E Service Manual

12.27. SN-Board (1/9) Schematic Diagram

! SN-BOARD TXNSN11BEK (1/9)
A
B
C
D
E
F
1 2
TO
P-BOARD
(P2)
TPVSUS
VSUS
SN2
TP1 TP2
1
Vsus
C16412
3 250V
GND 1.5u
TP4 TP5
TP8 TP9 TP6 TP7 TP82
TO
A-BOARD 15V
(A20)
SN20
TP16 TP17
30 P5V
P5V
TP38
29 SIU C16561
R16580
SIU 10V
5.6k
TP19 10u 1
CLK R16561
28
CLK EXB38V470JV
TP24 2
27
GND
TP70 3
26 CERS
CERS
TP40 4
CRC2
25
CRC2
5
R16565
24
GND
EXB38V472JV
TP52 6
OC2
23 R16562
OC2
EXB38V470JV 7
TP21
22 CRC1
CRC1
8
TP39
21 SC_FPGANRST
SC_FPGANRST
9
TP18
20 OC1
OC1
10 GND
19
GND R16566
TP22 EXB38V472JV
18 CPH1
CPH1
TP23
CIS
17
CIS
TP36
16
SOS6
TP20
15
SOS7
14
GND
R16563
TP37
13 UHZ EXB38V470JV 1
UHZ
12 2
GND
TP14
11 CEL 3
CEL
TP25
10 4
GND
R16568
TP11
9 CSH EXB38V472JV 5
CSH
8 R16564 6
GND
EXB38V470JV
TP10
7 CSL 7
CSL
6 8
GND
TP26
5 CMH 9
CMH
TP27
4 CML 10 GND
CML TP12
R16567
EXB38V472JV
TP13
3
NC
2
P15V
1
P15V
SIDE
C16791
D16790
25V
B0JCME000093
220u
14
TP28 TP29 TP30 TP31 TP32 TP33 TP34 TP35
13
12
11
10
9
8
3 4
TP105 TP106 TP107 TP108 TP109 TP110 TP111 TP112 TP113 TP114 TP115 TP116 TP117 TP118
15V
5V
VSCN R16774
27k
D16871 TP125
DZ2J330M0L
R16751 R16752
150k 4.7k
D16821
DZ2J330M0L
R16755
27k
R16783
150k
VAD VOLTAGE ERROR DET
Q16876
OPERATES AT -169V OR MORE
B1ABCF000231
R16750
AND -210V OR LESS
27k
D16875
B0ACCJ000048
VSCAN VOLTAGE ERROR DET
OPERATES AT 166V OR MORE
AND 125V OR LESS
D16874
R16753
IC16561 DZ2J051M0L 47k
C0JBAU000043
5V
BUFFER
C16562
G1 20
16V
Vcc
1u
A1 19
G2
18 AA_SIU
A2
Y1
AA_CLK
A3 17
Y2
16 AA_CERS
A4
Y3
AA_CIS
A5 15
Y4 SOS7_SC2
14 AA_OC2
A6
R16476 D16480
Y5
B0ACCJ000048
4.7k
A7 13
Y6
12 AA_SC_FPGANRST
A8
Y7
11 AA_OC1
Y8
MAIN_STOP0
C16565
50V TPSOS6
0.01u
TP73 TP71
C16566
50V TP74 TP72
0.01u TPSOS7
R16590
20
G1 220
Vcc
A1 19
G2
C16593
18 AA_CPH1
A2
50V
Y1
1000p
AA_CEL
A3 17
Y2
16 AA_CSH
A4
Y3 R16587
AA_CSL 2.2k
A5 15
Y4
14
A6
Y5
AA_CMH D16822
A7 13
Y6 B0ADCJ000100
AA_CML
A8 12
Y7
11 AA_CML2
Y8
IC16562
C0JBAU000043
5V
R16591
EXB38V472JV
BUFFER
R16588
10k
1
A_OUTPUT
C16564
16V
1u
1A 1 2 A_-INPUT
VCC
1Y 2 3 A_+INPUT
6A
3 4
2A GND
6Y
4 AA_CRC2
2Y
5A
AA_UHZ
3A 5
5Y
3Y 6
4A
7
GND
4Y
IC16563
C0JBAB000916
BUFFER
AA_CRC1
5 6
69
SOS7_SC2
D16820
B0ACCJ000048
D16583
15V R16581
B3ABB0000210
22k
(GREEN LED)
C16581
25V
R16582
1u
8 39k
VCC
7 R16583
B_OUTPUT R16585 39k
1k
6
B_-INPUT
C16582
R16584
25V
6.81k
5 4.7u
B_+INPUT
R16586
1.69k
IC16581 R16593
1.33k
C0BBBA000024
ERROR DET
VOLTAGE ERROR DET(C16582)
OPERATES AT 11.8V OR MORE
AND 5.2V OR LESS
7 8
1
2
9