Sn-Board (3/9) Schematic Diagram - Panasonic TC-P42C2 Service Manual

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

SN-BOARD TXNSN1LFUU (3/9)
!
AA_CERS
AA_CPH1
SEPA PROTECT
CIRCUIT
IC16491
C0BBAA000008
SEPA PROTECT
IC16490
C0DBZMC00006
SHUNT REG
11
AA_CIS
VFG
12
VOL
13
Vad+5V
14
AA_CEL
R16717
C16707
1k
50V
22p
R16707
3.9k
R16711
4.7k
15
19 20
PC16603
R16604
330 B3PBA0000223
C16602
R16765
50V
10
22p
5V
PC16684 R16631
10k
B3PBA0000496
1 6
C16684
C16755
50V 25V
2 5 0.1u 4.7u
TP67 TP68
R16498
10k 3 4
C16490
16V
R16494 1u
2k R16684
R16495 R16496 220
390 47
Q16490
3 4
B1CBGD000001
2
1 5
R16492 R16491 R16490
D16490
D16492 R16493 100k
120k 110k B0ECKP000055
DZ2J047M0L 6.98k
R16769
75
1 6
C16685
50V
0.1u
2 5
R16685
220 C16753
3 4
25V
4.7u
PC16685
B3PBA0000496
IC16661
16V_F
R16891
69.8k
C0BBBA000024
COMPARATOR
R16686
R16892
10k
82.5k
1 8
A_OUTPUT
R16893 VCC
82.5k
2 A_-INPUT 7
B_OUTPUT
R16921
3 6 1.54k
A_+INPUT
B_-INPUT
D16678 R16897
DZ2J15000L 2.61k
4 GND 5
B_+INPUT
R16922
4.02k
R16899
3.01k
D16478
Vad+5V
B0ACCJ000048
R16801
22k
Q16801
DSA2001S0L
Q16701
16V_F
B1ADCN000007
D16702
B0ACCJ000048
C16773
R16802 R16745
25V
33.2k 470k
1u
Q16702
B1ABCF000231
1 5
D16701
C16708 Q16818
B0ACCJ000048
2 50V
0.1u B1CBGD000001
3 4
C16712
R16712
50V
1k 200p R16776
47
IC16773
Q16670
C0JBAB000715
B1ADCN000007
INVERTER
Q16671
R16690 R16691 B1ABCF000231
4.7k 56k
R16692
1.5k
21 22
15V
Q16607
B1CBGD000001
R16633 C16603 C16604
22k 630V 630V
1000p 1000p
D16497
B0ECKP000055
D16765
B0ECKP000055 D16604
R16615 B0ADCJ000100
1.13k
C16756
Q16602
25V
4.7u DSC2001Q0L
R16607
R16634 6.49k
470 D16610
B0ACCJ000048
R16605 C16608 R16610
D16605 D16607
50V
1.8k DZ2J051L0L 220p 100k B0ACCJ000048
D16602
DZ2J150M0L
Q16603
DSA2001S0L
R16621
220
Q16762
R16761
10 B1HFPFA00001
D16407
B0JCME000093
R16681
10
R16763
47k
*Q16621 *D16641
C16641 C16642
630V 630V B1JADN000009 B0FBCN000006
3300p 3300p
16V_F 5V
D16920 R16923
C16891 B0ADCJ000100 10k
R16920
25V
10k
1u
Q16920
B1ABCN000007
R16926
2.2k
D16901
B0ADCJ000100
R16904 R16927
22k 22k
Q16662
DSC2001Q0L
R16679 R16680
R16804
10k 10k
1.1k
R16661
1.2k
D16477
IC16692
DZ2J047L0L C16675
50V
Q16810 390p C0DBZYY00352
B1ABCF000231
SHUNT REG
R16746
4 1
47k NC
REFERENCE
R16747
3 2
R16742 2.2k ANODE
CATHODE
47k
Q16663
DSA2001S0L
Q16921
B1ABCN000007
R16928
4.7k
16V_F
Q16675
16V_F
B1ADCN000007
R16699
10k
R16675
4.7k
Q16676
R16694 B1ABCF000231
56k
R16695
1.5k
23 24
60
VSUS
D16618
R16609
2k B0ECKP000055
*C16414
220V
300u
R16601
1
Q16606
DSC2001Q0L
D
*Q16601
B1CERR000042
G S
R16612
47
R16617
2.2k
VFG
D16493
B0ADCJ000100
D16494 R16497
B0ADCJ000100 47k
Q16672
B1CBGD000001
R16658 C16664 C16665 C16666
9.76k 50V 50V 50V
68p 68p 68p
R16663
6.98k
C16661 C16662
630V 630V
1000p 1000p
D16662 D16663 D16664 R16664 R16674
1k 1k
DZ2J330M0L DZ2J330M0L DZ2J330M0L
*Q16661
B1JAER000009
D16671 R16665
B0ACCJ000048 33
D16672 D16670
B0ECHR000001 B0ECHR000001
R16666
22k
25 26
21
VSUS
22
VAD
23
24
VFG
25
26
27