Sc-Board Block Diagram - Panasonic TH-50PF10UK Service Manual

10.15. SC-Board Block Diagram

SC2 VSET
TO P2 TPVSUS
+185V
Vsus 1
SC
TO P23 P+15V
23
P+15V 1
P+15V 2
IC6561
BUFFER
SC
TO D20
P+5V
20
P+5V 1 P+5V
CL
CL 2
CLK
CLK 3
SIU
SIU 4
SID
SID 6
SCSU
SCSU 7
CEL2
CEL2 8
P+5V Vsus Gen.
CPH1
CPH 9
IC6501
CPH2
Q6511
CEL
CEL 13 Q6516
CSL
CSL 17
CSH P+15V
CSH 18
CML
CML 19 LIN
CMH
CMH 20 HIN
CEH
CEH 14
SC_SOS1
11
IC6562
SC_SOS2 12
BUFFER
ENERGY RECOVERY
IC6521
Q6531,Q6532
Q6551,Q6552
P+15V
HIN
LIN
P+15V
COMPARATOR
IC6581
Q6581
TPSOS6
D6585
ENERGY RECOVERY SOS DET
LED BLINKING 6 TIMES
TPSOS7
SC FLOATING PART SOS DET
LED BLINKING 7 TIMES
SC SCAN DRIVE
TH-50PF10UK
SC-Board Block Diagram
+15V
DC/DC
CONVERTER
C6791 C6795 C6796
105V
IC6791
+240V
VSET Gen.
IC6725
P+15V R6833
R6836
+5V(SC2)
D6825 +5V
R6837
IC6821 (+33V)
1
Q6824 (SC1)
Q6821,Q6822
Vset SOS DET
PC6701
P+5V
P+5V
CL
PHOTO
CLK COUPLER
P+5V
SIU
PHOTO
SID COUPLER
PC6702
IC6682
BUFFER
Q6514
Q6519 Q6401 Q6405
FET
HO PC6703
OUT
FET
Q6421 Q6425
DRIVER
P+5V
FET
LO CEL2
OUT
PHOTO
CPH2
COUPLER
IC6751
+5V(SC3)
AVR
+5V
CPH1 +5V
1
(SC3)
PHOTO
COUPLER
2
PC6704
Q6441 Q6443
FET
HO
OUT
FET
Q6451 Q6453
DRIVER
FET
LO +5V
OUT AVR
PC6705
+5V
1
(SC3)
CEL
PHOTO
COUPLER
SCSU
R6581
D6581
(+33V)
D6582 IC6803
(+33V)
D6583
LED(G)
T6602
D6806
VSET SOS 7 10
D6826
6 11
12
OSC
4 13
D6804
2 15
PC6801
IC6472
PHOTO
COUPLER
D6480
B
+5V(SC1)SOS
Y
PC6480
A ERROR
DET
+5V(SC1) SOS DET
PHOTO
COUPLER
PC6760
D6760
+5V(SC3) SOS DET
PHOTO
+5V(SC3)
COUPLER
PC6861
D6862
Vscn SOS DET
PHOTO
COUPLER
PC6871
D6872
VAD SOS DET
PHOTO
COUPLER
Vfo SOS DET
PC6610
D6616
Vfo SOS DET
PHOTO
COUPLER
D6721 TPVAD
TPVSET
IC6724
+5V(SC1)
+5V
AVR AVR
+5V +5V
3 3 1
D6619 D6620
(SC2)
2 2
IC6721
+5V
CL FCLU
FCLD
BUFFER
CLK
FCLKU
VSCN SUPERIMPOSED
FCLKD
GND
IC6681
+5V
SIU FSIU
+5V
FSID CEL2
SID
IN
DRIVER
CEL2
GND
BUFFER
PROU
PROD
GND IC6722
VSET SUPERIMPOSED
IC6601
TPVSET2
Q6742,Q6743
+5V
BUFFER
D6478 CPH2
IN
DRIVER
GND
IC6602
INV
VSET SEPA
IC6752
Q6762
Q6621
P+15V Q6624
3 P+15V
FET
FET
INV LO
IN OUT
DRIVER
VAD SEPA
IC6753
GND
IC6772
+15V
+15V
IC6771
FET
IN
+5V(SC3)
DRIVER
3
+15V GND
IC6773 R6858
2
B
Y
A VAD CONT
BUFFER TPVAD
IC6671
IC6774
+15V
FET
IN
DRIVER
GND
IC6801 IC6802
Q6803
VSET2 GEN.
VAD GEN.( 90V)
(+8V)
VR6600 ADJ.
VR6603 ADJ.
TPVAD
IC6471
+5V(SC1)
IC6861
Vscn(Vad+140V)
COMPARATOR R6663 R6661
R6662
IC6871
Vad( 90V) R6864
D6871
COMPARATOR
Q6791
D6791
BUFFER
D6612 R6615 R6614 R6630
COMPARATOR
D6610
IC6610
55
TPSC1 WAVEFORM
VSET
VSUS
SC
TO SU45
45
VAD
FSIU
1
FSIU
VSCN
VSET2 3 FCLU
FCLU
5 FCLKU
FCLKU
PROU
7
PROU
8 Vf+5V
9 Vf+5V
SC41 TO SU41 SU41
A1 B1 Vf C40 C80
A33 B33 Vf C8 C48
Q6681
Q6691 A34 B34 Vf+5V C7 C47
(Vscn)
HO FET A35 B35 Vf+5V C6 C46
TPSCI
OUT
FET Vf
(Vfo) A36 B36 C5 C45
Q6682
LO FET
A40 B40 C1 C41
Vf
OUT
SC42 TO SU42 SU42
A1 B1 Vfo D40 D80
Q6601
Q6602
FET
A10 B10 Vfo D31 D71
HO BUFFER
OUT
FET VR6601 A11 B11 Vscn D60 D70
INIT-F
A12 B12 Vscn D29 D69
A13 B13 Vf D28 D68
A40 B40 Vf D1 D41
VF_GND
Q6641,
Q6781, Q6643 Q6650
Q6782 SC
TO SD46
FET 46
BUFFER
FSID
OUT
1 FSID
FCLD
3 FCLD
HO
FCLKD
5 FCLKD
VAD SUPERIMPOSED
PROD
Q6661 7 PROD
VR6602
LO Q6662
2 8 Vf+5V
3 1 FET
BUFFER
OUT
INIT-F
9 Vf+5V
D6665
SC43 TO SD43 SD43
Q6679,
Q6671 Q6673
Q6680
A1 B1 Vf B40 B80
FET
LO BUFFER
OUT
A28 B28 Vf B13 B53
Vscn
A29 B30 B12 B52
A30 B31 Vscn B11 B51
A31 B31 Vfo B10 B50
A40 B40 Vfo B1 B41
SC44 TO SD44 SD44
A1 B1 Vf A40 A80
IC6841 TPVSCN
D6841
(+50V)
A5 B5 Vf A36 A76
Q6841,Q6842
Vf+5V
A6 B6 A35 A75
VSCN Gen.
A7 B7 Vf+5V A34 A74
C6841
TPVAD
A7 B8 Vf A33 A73
A40 B40 Vf A1 A41
D6859 D6860
SC
1 4 5 6 8
30
TH-50PF10UK
SC-Board Block Diagram
TH-50PF10UK