Sn-Board (3/9) Schematic Diagram - Panasonic TH-P46X20K Service Manual

11.23. SN-Board (3/9) Schematic Diagram

SN-BOARD TXNSN1LPUM (3/9)
!
AA_CERS
AA_CPH1
SEPA PROTECT
CIRCUIT
IC16490
C0DBZMC00006
SHUNT REG
11
AA_CIS
VFG
12
VOL
13
Vad+5V
14
AA_CEL
C16707
50V
22p
R16707
3.9k
15
19 20
PC16603
R16604
B3PBA0000223
330
C16602
50V
22p
5V
PC16684
B3PBA0000496
1 6
C16684
50V
2 5 0.1u
TP67 TP68
R16498
10k 3 4
C16490
16V
R16494 1u
R16684
2k
R16495 R16496
220
390 47
Q16490
3 4 B1CBGD000001
IC16491
2
C0BBAA000008
1 5
SEPA PROTECT
R16492 R16491 R16490 D16490
D16492
R16493 120k 110k 100k
B0ECKP000055
DZ2J047M0L 6.98k
1 6
C16685
50V
0.1u
2 5
R16685
220
3 4 C16753
25V
4.7u
PC16685
B3PBA0000496
VOL
IC16661
R16891
69.8k
C0BBBA000024
COMPARATOR
R16892
82.5k
1 8
A_OUTPUT
R16893
VCC
82.5k
2 A_-INPUT 7
B_OUTPUT
R16921
1.54k
3 A_+INPUT 6
B_-INPUT
D16678
DZ2J15000L
4 5
GND
B_+INPUT
R16922
4.02k
Vad+5V
B0ACCJ000048
R16801
22k
R16717
DSA2001S0L
1k
Q16701
16V_F
B1ADCN000007
D16702
B0ACCJ000048 C16773
R16802
25V
33.2k
1u
Q16702
B1ABCF000231
1 5
D16701
C16708 Q16818
B0ACCJ000048
2 50V
0.1u B1CBGD000001
3 4
C16712
R16711 R16712
50V
4.7k 1k 200p R16776
47
IC16773
Q16670
C0JBAB000715
B1ADCN000007
INVERTER
R16690 R16691
4.7k 56k
R16692
1.5k
21 22
15V
Q16607
B1CBGD000001
R16765 R16633
10 22k
D16497
B0ECKP000055
R16631
10k
D16765
B0ECKP000055 D16604
B0ADCJ000100
R16615
1.13k
C16756
C16755 Q16602
25V 25V
4.7u 4.7u DSC2001Q0L
R16607
R16634
6.49k
470 D16610
B0ACCJ000048
C16608
R16605
D16605
1.8k
DZ2J051L0L
D16602
DZ2J150M0L
Q16603
DSA2001S0L
R16769
75
R16621
Q16762 220
R16761
10 B1HFPFA00001
D16407
B0JCME000093
R16681
10
R16763
47k
*Q16621 *D16641
C16641 C16642
630V 630V
B1JADN000005 B0FBCN000006
3300p 3300p
16V_F
16V_F
R16686
10k
C16891 B0ADCJ000100
R16920
25V
10k
1u
Q16920
R16926 B1ABCN000007
2.2k
R16897
2.61k
D16901
B0ADCJ000100
R16904 R16927
22k 22k
R16899
Q16662
3.01k
DSC2001Q0L
D16478
R16804
1.1k
R16661
1.2k
D16477
Q16801 DZ2J047L0L
Q16810
B1ABCF000231
R16746
47k
R16747
R16745 R16742
2.2k
470k 47k
Q16921
B1ABCN000007
R16928
4.7k
16V_F
Q16675
16V_F
B1ADCN000007
R16699
10k
R16675
Q16671 4.7k Q16676
B1ABCF000231 R16694 B1ABCF000231
56k
R16695
1.5k
23 24
63
VSUS
C16603 C16604
630V 630V R16609 D16618
1000p 1000p B0ECKP000055
2k
*C16414
220V
300u
R16601
1
Q16606
DSC2001Q0L
D
*Q16601
B1CERR000042
G S
R16612
47
R16610 D16607 R16617
50V
100k B0ACCJ000048 2.2k
220p
5V
D16493
B0ADCJ000100
D16920 R16923
10k
R16497
D16494
B0ADCJ000100 47k
Q16672
B1CBGD000001
R16658 C16664 C16665 C16666
9.76k
50V 50V 50V
68p 68p 68p
R16663
R16679 R16680 6.98k C16661 C16662
10k 10k
630V 630V
1000p 1000p
IC16692 D16662 D16663 D16664
C16675 DZ2J330M0L DZ2J330M0L
DZ2J330M0L
50V
390p C0DBZYY00352
SHUNT REG
4 NC 1
REFERENCE
D16671
R16665
B0ACCJ000048 33
3 ANODE 2
CATHODE
Q16663
R16666
22k
DSA2001S0L
25 26
21
VSUS
22
VFG VAD
23
24
VFG
25
R16664 R16674
1k 1k
*Q16661
B1JAER000009
D16672
D16670
B0ECHR000001 B0ECHR000001
26
27