Sc-Board (3/4) Schematic Diagram - Panasonic TC-50PX24 Servise Manual

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

SC-BOARD TXNSC1LNUU (3/4)
!
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
C16707
50V R16717
22p
AA_CEL 1k
R16707
3.9k
R16711
4.7k
15
19 20
15V
R16604
330
PC16603 C16602
R16765
50V
B3PBA0000223 10
22p
B0ECKP000055
5V PC16684 R16631
10k
B3PBA0000496
B0ECKP000055
1 6
C16684
50V
C16756
0.1u C16755
25V
2 5 25V
4.7u
4.7u
TP67 TP68
R16498
C16490 10k
16V 3 4
R16494 1u
2k R16684
R16496 220
47
R16495
390
Q16490
B1CBGD000001
3 4
2
1 5
R16492 R16491 R16490
D16490
D16492 R16493 120k 110k B0ECKP000055
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
C16641
630V
3300p
16V_F
R16891
69.8k
IC16661
C0BBBA000024
R16892 COMPARATOR
82.5k
1 A_OUTPUT 8
R16893 VCC
82.5k
2 7
A_-INPUT
B_OUTPUT
R16921 R16897
1.54k 2.61k
3 A_+INPUT 6
B_-INPUT
D16678
DZ2J15000L
4 5
GND
B_+INPUT
R16922
4.02k
R16899
3.01k
Vad+5V D16478
B0ACCJ000048
R16801
22k
Q16801
DSA2001S0L
16V_F
Q16701
B1ADCN000007
R16802
33.2k
C16773
R16745
25V
D16702 470k
1u
B0ACCJ000048
Q16702
B1ABCF000231
1 5
C16708 Q16818
50V
2
D16701 0.1u B1CBGD000001
B0ACCJ000048 C16712
50V
200p 3 4
R16776
R16712 47
Q16670
1k
B1ADCN000007
IC16773
C0JBAB000715
R16690
4.7k
INVERTER R16691
56k
R16692
1.5k
21 22
Q16607
B1CBGD000001
C16603 C16604
630V 630V
R16633 1000p 1000p
22k
D16497
D16765 Q16606
DSC2001Q0L
R16615
D16604
1.13k
B0ADCJ000100
Q16602
DSC2001Q0L
R16607
R16634 6.49k
470 D16610
B0ACCJ000048
R16605 D16605
C16608
1.8k DZ2J051L0L R16610 D16607
50V
220p 100k B0ACCJ000048
D16602
Q16603
DZ2J150M0L
DSA2001S0L
R16621
220
Q16762
B1HFPFA00001
D16407
B0JCME000093
R16681
10
R16763
47k
Q16621
B1JADN000004
C16642 D16641 D16642
630V
B0FBCN000007 B0FBCN000007
3300p
5V
D16920 R16923
R16686
B0ADCJ000100 10k
10k
C16891
R16920
25V
1u 10k
Q16920
B1ABCN000007
R16926
2.2k
D16901
B0ADCJ000100
R16904 R16927
22k 22k
Q16662
DSC2001Q0L
R16804 R16661 R16679
1.2k 10k
1.1k
D16477
DZ2J047L0L C16675
50V
390p
Q16810
B1ABCF000231
R16746
47k
IC16692
R16747
2.2k
C0DBZYY00352
R16742
47k
SHUNT REG
Q16921
B1ABCN000007
R16928
4.7k
16V_F
Q16675
B1ADCN000007
R16699
R16675 10k
4.7k
Q16676
R16694
B1ABCF000231
56k
Q16671
B1ABCF000231
R16695
1.5k
23 24
62
VSUS
R16609
2k
D16618
B0ECKP000055 C16414
220V
250u
R16601
1
D
Q16601
B1CERR000025
G S
R16612
47
R16617
2.2k
VFG
D16493
B0ADCJ000100
R16497
D16494
47k
B0ADCJ000100
Q16672
B1CBGD000001
R16658
9.76k
C16664 C16665 C16666
50V 50V 50V
68p 68p 68p
R16663
R16680 6.98k
10k
C16661 C16662
630V 630V
1000p 1000p
D16662 D16663 D16664 R16664 R16674
DZ2J330M0L DZ2J330M0L DZ2J330M0L 1k 1k
4 NC 1 Q16661
REFERENCE
D16671 B1JAER000010
R16665
B0ACCJ000048
33
3 ANODE 2
CATHODE
D16672
B0ECHR000001
R16666
22k
Q16663
DSA2001S0L
25 26
21
VSUS
22
VAD
23
24
VFG
25
D16670
B0ECHR000001
VAD
26
27