Sc-Board (3/4) Schematic Diagram - Panasonic TX-P50C2B Service Manual

13.25. SC-Board (3/4) Schematic Diagram

! SC-BOARD TXNSC1LNUC (3/4)
AA_CERS
AA_CPH1
SEPA PROTECT
CIRCUIT
IC16490
C0DBZMC00006
SHUNT REG
11
AA_CIS
VFG
12
VOL
13
Vad+5V
14
C16707
50V R16717
22p
AA_CEL
R16707
3.9k
15
19 20
R16604
330
PC16603 C16602
50V
B3PBA0000223 22p
PC16684
5V R16631
10k
B3PBA0000496
1 6
C16684
50V
0.1u
2 5
TP67 TP68 R16498
10k
C16490
16V 3 4
1u
R16494
R16684
2k
R16496 220
47
R16495
390
Q16490
B1CBGD000001
3 4
IC16491
2
C0BBAA000008
1 5
SEPA PROTECT
R16492 R16491 R16490 D16490
D16492 R16493 B0ECKP000055
120k 110k 100k
DZ2J047M0L 6.98k
R16769
75
1 6
C16685
50V R16761
0.1u
10
2 5
3 4
C16753
R16685 25V
220 4.7u
PC16685
B3PBA0000496
R16891
69.8k IC16661
C0BBBA000024
R16892 COMPARATOR
82.5k
1 8
A_OUTPUT
R16893 VCC
82.5k
2 7
A_-INPUT
B_OUTPUT
R16921
1.54k
3 6
A_+INPUT
B_-INPUT
D16678
DZ2J15000L 4 5
GND
B_+INPUT
R16922
4.02k
Vad+5V
B0ACCJ000048
R16801
22k
1k
16V_F
Q16701
B1ADCN000007
R16802
33.2k
C16773
D16702 25V
1u
B0ACCJ000048
Q16702
B1ABCF000231 1 5
C16708 Q16818
2 50V
B1CBGD000001
D16701 0.1u
C16712
B0ACCJ000048
50V
200p 3 4
R16776
R16711 R16712
47
Q16670
4.7k 1k
B1ADCN000007
IC16773
C0JBAB000715 R16690
4.7k
INVERTER
21 22
15V Q16607
B1CBGD000001
R16765 R16633
10 22k
D16497
B0ECKP000055
D16765
B0ECKP000055
R16615
D16604
1.13k
B0ADCJ000100
C16755 C16756
Q16602
25V 25V
4.7u 4.7u DSC2001Q0L
R16607
R16634 6.49k
470
D16610
B0ACCJ000048
R16605
D16605 C16608
1.8k DZ2J051L0L 50V
220p
D16602
Q16603
DZ2J150M0L
DSA2001S0L
R16621
220
Q16762
B1HFPFA00001
D16407
B0JCME000093
R16681
10
R16763
47k
Q16621
B1JADN000004
C16641 C16642 D16641 D16642
630V 630V
B0FBCN000007 B0FBCN000007
3300p 3300p
16V_F
D16920
R16686
B0ADCJ000100
10k
C16891
R16920
25V
1u 10k
Q16920
R16926 B1ABCN000007
R16897 2.2k
2.61k
D16901
B0ADCJ000100
R16904 R16927
22k 22k
R16899
3.01k
R16661
D16478 R16804
1.1k
Q16801 D16477
DZ2J047L0L
DSA2001S0L
Q16810
B1ABCF000231
R16746
47k
R16747
2.2k
R16745 R16742
470k 47k
Q16921
B1ABCN000007
R16928
4.7k
16V_F
Q16675
B1ADCN000007
R16699
R16675 10k
4.7k
Q16676
R16691 R16694
B1ABCF000231
56k 56k
Q16671
B1ABCF000231
R16692 R16695
1.5k 1.5k
23 24
69
VSUS
C16603 C16604
630V 630V R16609
1000p 1000p
2k
D16618
B0ECKP000055 C16414
220V
250u
R16601
1
Q16606
DSC2001Q0L
D
Q16601
B1CERR000025
G S
R16612
47
D16607
R16610 R16617
100k B0ACCJ000048 2.2k
VFG
5V
D16493
B0ADCJ000100
R16923
10k
R16497
D16494
47k
B0ADCJ000100
Q16672
B1CBGD000001
R16658
Q16662
9.76k
DSC2001Q0L C16664 C16665 C16666
50V 50V 50V
68p 68p 68p
R16663
R16680 6.98k
10k
C16661 C16662
630V 630V
R16679
1000p 1000p
1.2k 10k
D16662 D16663 D16664
DZ2J330M0L DZ2J330M0L DZ2J330M0L
C16675
50V
4 NC 1
390p
REFERENCE
D16671 R16665
B0ACCJ000048 33
3 2
ANODE
CATHODE
IC16692
R16666
C0DBZYY00352
Q16663 22k
SHUNT REG DSA2001S0L
25 26
21
VSUS
22
VAD
23
24
VFG
25
R16664 R16674
1k 1k
Q16661
B1JAER000010
D16672 D16670
B0ECHR000001 B0ECHR000001
VAD
26
27