Panasonic TH-50PX80UA Service Manual page 68

11.32. SC-Board (2/3) Schematic Diagram
COLD
AA_CSL
AA_CERS
COLD
AA_CPH1
1
AA_CPH2
2
AA_CEL
R16707
470
3
AA_DRV_RST
4
COLD
AA_SCSU
5
TH-50PX80UA
SC-Board (2/3) Schematic Diagram
10 11
5V_F_A
1
VOUT
C16725
25V
4.7u
D16725
MA2J11100L
IC16724
FLOATING GND
C0CBADC00072
+5V(SC1)
5V_F_A 5V_F_B
SCNR_PRO
1
R16473 VSCN_F_DET
R16471 15V_F VOUT
560 R16480
3.9k
4.7k
COM
Q16471
3 4 2
R16478 CHA
D16473 B1ABCF000231 D16475
R16477 5.6k
R16474 R16472 MA3X152D0L MAZ80510LL
0
1k 2 2.2k
C16724
25V
C16472 IC16725
R16479 VF_GND 4.7u
25V
1 5 10k
1u
PC16480 C0CBADC00072
B3PBA0000223
+5V(SC2)
IC16471
*R16602
1k
C0DBEKA00003
AND GATE
*PC16601
B3PBA0000223
*D16601
MA3X152E0L
*R16603
330
5V
*PC16602
B3PBA0000443
*R16601
TP97 4.7k
*R16600
*Q16608
10k
B1ABCF000231
*R16635 *R16604
10k 330
*Q16605
2SB0709ASL
*R16636 *PC16603
4.7k
B3PBA0000223
IC16752
15V
C0ZBZ0001324
FET DRIVER D16497 R16768
B0ECKP000047 1
FLOATING GND
VSET SEPARATE
R16765
1
NC
9 HO 8
C16755
25V R16766 D16765 D16766
4.7u 75 B0ECKP000047 B0ECKP000047
NC
10 VB 7
C16756
R16638
25V
1 4.7u
VCC
VS
11 6
D16764
B0HCKS000002
HIN
12 NC 5
R16705
100 C16752
25V
NC
1u NC
13 4
C16753
25V R16769
R16761
4.7u 75
LIN 10
14 VCC2 3
R16706
R16639
100
1
GND
Vcom
15 2
D16763
NC B0ECKP000047
16 LO 1 R16762
Q16762
47k
B1ADNF000006
R16778
1.8k
16V_F
PC16705 R16771
1.8k
B3PBA0000456 IC16772
1 5
C0ZBZ0001325
R16717
FET DRIVER
2.2k
4
VAD SEPARATE
2 3
1
Vcc
C16773
25V
4.7u
C16708 2 IN
50V
R16776
0.1u
100
3
GND
4 LO
C16771
16V
1u
FLOATING GND
16V_F
PC16710
B3PBA0000223
R16667
470
12 13
15V_F
VIN 3
COM C16723 IC16791
25V
2
4.7u
N0BF1FB00002
DC/DC CONV.
16V_F
*R16858
1k
16V_F 15V
VIN 3
C16791
D16721
25V
B0HCKS000002 C16795
C16721 220u
25V
50V
470u
100u
*D16608
MAZ81200ML
*Q16607
B1CBGD000001
C16603 C16604
*R16632 D16604 D16631 D16632 630V 630V
10k MA2J11100L MAZ82400ML MAZ82400ML 1000p 1000p
*R16615
1.13k
Q16602
R16607 R16616
2SD0601AQL
6.65k 0
R16634
D16610
470
*R16633 MA2J11100L
22k
R16605 D16605
1.8k MAZ80510LL C16608
D16602 R16610
50V
MAZ81500ML 100k
220p
Q16603
2SB0709ASL
D16761
MA2J11100L
Q16622 Q16623
D16407 2SK399500L 2SK399500L
MA22D3900L
R16622 R16623 D16622
220 220
B0HDSM000006
R16682
R16681 10
10
*Q16642
15V_F Q16781
2SK4175000LZ
B1HFPFA00001
*R16642
R16781 33
47
R16782
47k
D16643
MA2J11100L
C16664 C16665 C16666
50V 50V 50V
68p 68p 68p
C16661 C16662
630V 630V D16663
R16777
MAZ83300ML
150 1000p 1000p
8
D16662 D16664 R16664 R16675
D16661
VB C16775 MAZ83300ML MAZ83300ML 1k
MA2J11100L
25V
4.7u
7 R16663
HO 10k
Q16662 VR16602 *Q16661
6
R16662 3k 2
VS 2SD0601AQL
3k B1JAER000003
3 1
R16665
33
5 INIT-F
D16665 D16671
NC
MAZ80510LL
MA2J11100L
R16661
R16666 D16667
1.8k
100k MA2J11100L
Q16663
2SB0709ASL
C16806
160V
100u
R16670
R16657
47
6.8k
D16659
B0HCMM000014
D16668
MA3X152D0L
Q16665
B1ABCF000231
Q16664
B1HFPFA00001
D16669
R16672
MA2J11100L 1k
14 15
68
! SC-BOARD TXNSC1BCUU (2/3)
VSET2 VSET2_O
TP53
D16478
B0HCKS000002
C16812
25V
4.7u
VAD
VSET
*R16606
10k
G S
*Q16604
B1CHPM000001
D
*
*R16613
100k
D16619
B0ECKP000047
VSUS
*
*R16611
47k
D16606
R16609
B0HCMM000014 *D16618
1k
B0ECKP000047
R16608
1k
D16609
MA2J11100L
Q16606
D
2SD0601AQL
*Q16601
B1DEET000002
G
R16612 S
47
C16605 C16606
630V 630V
4700p 4700p
R16659
*Q16643 *Q16644 *Q16645 C16641
220k
250V
2SK4175000LZ 2SK4175000LZ 2SK4175000LZ
1u
*R16643 *R16644 *R16645
R16660 D16644
33 33 33 R16658
220k B0HCKS000002
100
D16641
D16642
B0HCKS000002
B0HCKS000002
1k
D16670
D16660
B0HCMR000002 B0HCMR000002
VAD
TH-50PX80UA
SC-Board (2/3) Schematic Diagram
16 17
11
12
18