Panasonic TH-50PX80UA Service Manual page 69

11.33. SC-Board (3/3) Schematic Diagram
11
VSUS
Q16873
B1ABCF000231
*C16418
220V
250u
R16785 R16788
82k 150k
R16786
82k
PC16896
B3PBA0000223
Q16816
2SD0601AQL
D16824
MAZ83300ML
Q16814
R16789 C16843
B1ABCN000007 10k 50V
0.1u
R16787
33k
VAD:-149V
12
TH-50PX80UA
SC-Board (3/3) Schematic Diagram
19 20
L16699 D16715 TP64
330u B0HCMR000002
*C16419
TPVSET
220V
250u
VSET:330V
R16731
IC16788 82k
MIP9L02MBS R16738
82k
VSET OUT
ERROR DET
D16722 C16869
R16740 MA2J11100L R16703 R16702 50V
0.1u
100k 1 10 10k 3.3k
TP65
SOURCE DRAIN
C16866 Q16872
TP66 10V R16733
2SB0709A0L
1u 470k
2
BY
R16730
Q16874
47k
B1CBGD000001
C16821 CATHODE REFERENCE
3 8
50V D16714
FB VOUT
MAZ81500ML
C16867 0.1u
ANODE
50V
NC
4700p
7
V01
R16729 R16732
47k 3.9k
5 6
VCC GND
C16868
IC16789
16V
0.1u
C0DBEYY00078
VSET OUT
ERROR DET
R16827
R16841 R16838
0 56k 56k
VSCN
D16710
MAZ81500ML
*R16845
62k
R16825
150k
R16822
*R16846 82k
60.4k
C16813
IC16784 160V
100u
IC16786
MIP9L02MBS R16823
82k
VR16600
VAD GEN. MIP9L02MBS
50k
PC16897
B3PBA0000223
VSCN GEN.
R16757
0 Q16817
D16825 2SD0601AQL
C16858
16V MAZ83300ML
0.1u
Q16815
C16856 C16857
B1ABCN000007
10V 50V
1u 4700p D16711
R16826 C16844 C16860 C16861
B0HCMR000002
R16824 10k 50V 10V 50V
33k 0.1u 1u 4700p
R16844
TP94 VAD
1.24k
L16472
G0ZZ00002183
TPVAD
21 22
VSET
5V
R16744
200k VSET DET
R16735
OPERATES AT 395V OR MORE
221k
R16700 SOS7_SC2
R16749
4.7k
R16794 10k
R16736
200k
221k
R16701 D16718
10k MA2J11100L
R16795
*R16737 200k
Q16879
200k Q16875
B1ABCF000231
B1ABCF000231
D16717
C16823 MAZ83300ML
*C16822
630V 400V
5600p 47u
C16855
16V
1u
R16796
56k R16704
10k
R16734
4.99k
NC
VSUS
*R16774
68k
*D16871
MAZ82400ML
D16861
MAZ83300ML
R16870
*D16873
33k VSCN
C16864 TP95 MAZ82000ML
50V
0.1u D16862
MAZ83300ML
D16712
MAZ81500ML
R16872 R16874
3.3k 73.2k
C16842
R16852
10k 160V
100u
R16875
Q16871
C16863 71.5k
2SB0709A0L
50V D16874
0.01u MAZ80510LL
R16851
100k
C16862
16V VSCN:Vad+145V
R16871
0.1u
3.9k CATHODE REFERENCE
TPVSCN
R16873
ANODE 2.49k
NC NC
D16713
B0HCMR000002
R16860
8.2
IC16787
D16859
B0HCKS000002
C0DBEYY00078
VSCN GEN.
D16860
VSCN_F
B0HCKS000002
C16691
160V
100u
VF_GND
23 24
69
SC-BOARD TXNSC1BCUU (3/3)
!
23
22
21
20
19
TP41
18 9 R16720
22
5V_F_A
17 8 TP42
R16721
5V
22
D16821
D16822 16 7
MAZ82000ML
MA2J11100L
TP43
15 6 R16722
22
R16752
14 TP54 5
4.7k SOS7_SC2 R16723
22
R16750
D16820 13 4
22k TP55
MA3X152E0L
R16751
12 3
220k
TP56
Q16876 11 2
5V
R16756 B1ABCF000231
22k 10 TP57 1
D16875
9
MA2J11100L TP58
TO
8 *SC46
R16775
SD-BOARD
R16753 4.7k
47k 7
(SD46)
6
5
4
3
2
1
SC41
VSCN_F
TO
SU-BOARD
(SU41)
TP96
23
R16696
2.2
22
21
20
19
18
17
16
15
VSCN_F 14
TPSC1
13
12
TP80 TP81 5V_F_B
R16855 R16857
10k 120k 11
10
VSET2_O
9
Q16805 Q16806
2SC3063000RL 2SC1473AEA 8
7
TP78 TP79 5V_F_A
D16837
MA2J11100L
6
15V_F R16856
56
5
D16830 4
D16839
MAZ80560HL
C16832 SCNR_PRO
B0ECKP000047
50V 3
VF_GND
3900p
CHA
2
1
D16838 D16836
L16801
B0BC027A0234 MAZ81500ML R16886
TP51 G0ZZ00002183
220k
SC42
R16887
220k
TO
SD-BOARD
R16888
(SD42)
220k
TP59
TP60
TP61
TP62
TP63
TH-50PX80UA
SC-Board (3/3) Schematic Diagram
25 26
AA_SIU
AA_OC2
AA_CLK
AA_OC1
TP44
27